1 // Copyright (c) 2017, Lawrence Livermore National Security, LLC. Produced at 2 // the Lawrence Livermore National Laboratory. LLNL-CODE-734707. All Rights 3 // reserved. See files LICENSE and NOTICE for details. 4 // 5 // This file is part of CEED, a collection of benchmarks, miniapps, software 6 // libraries and APIs for efficient high-order finite element and spectral 7 // element discretizations for exascale applications. For more information and 8 // source code availability see http://github.com/ceed. 9 // 10 // The CEED research is supported by the Exascale Computing Project 17-SC-20-SC, 11 // a collaborative effort of two U.S. Department of Energy organizations (Office 12 // of Science and the National Nuclear Security Administration) responsible for 13 // the planning and preparation of a capable exascale ecosystem, including 14 // software, applications, hardware, advanced system engineering and early 15 // testbed platforms, in support of the nation's exascale computing imperative. 16 17 // libCEED + PETSc Example: Navier-Stokes 18 // 19 // This example demonstrates a simple usage of libCEED with PETSc to solve a 20 // Navier-Stokes problem. 21 // 22 // The code is intentionally "raw", using only low-level communication 23 // primitives. 24 // 25 // Build with: 26 // 27 // make [PETSC_DIR=</path/to/petsc>] [CEED_DIR=</path/to/libceed>] navierstokes 28 // 29 // Sample runs: 30 // 31 // ./navierstokes -ceed /cpu/self -problem density_current -degree 1 32 // ./navierstokes -ceed /gpu/cuda -problem advection -degree 1 33 // 34 //TESTARGS(name="dc_explicit") -ceed {ceed_resource} -test -degree 3 -dm_plex_box_faces 1,1,2 -units_kilogram 1e-9 -lx 125 -ly 125 -lz 250 -center 62.5,62.5,187.5 -rc 100. -thetaC -35. -ts_dt 1e-3 -compare_final_state_atol 1E-11 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-dc-explicit.bin 35 //TESTARGS(name="dc_implicit_stab_none") -ceed {ceed_resource} -test -degree 3 -dm_plex_box_faces 1,1,2 -units_kilogram 1e-9 -lx 125 -ly 125 -lz 250 -center 62.5,62.5,187.5 -rc 100. -thetaC -35. -ksp_atol 1e-4 -ksp_rtol 1e-3 -ksp_type bcgs -snes_atol 1e-3 -snes_lag_jacobian 100 -snes_lag_jacobian_persists -snes_mf_operator -ts_dt 1e-3 -implicit -ts_type alpha -compare_final_state_atol 5E-4 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-dc-implicit-stab-none.bin 36 //TESTARGS(name="adv_rotation_explicit_strong") -ceed {ceed_resource} -test -problem advection -strong_form 1 -degree 3 -dm_plex_box_faces 1,1,2 -units_kilogram 1e-9 -lx 125 -ly 125 -lz 250 -center 62.5,62.5,187.5 -rc 100. -ts_dt 1e-3 -compare_final_state_atol 1E-11 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-adv-rotation-explicit-strong.bin 37 //TESTARGS(name="adv_rotation_implicit_stab_supg") -ceed {ceed_resource} -test -problem advection -CtauS .3 -stab supg -degree 3 -dm_plex_box_faces 1,1,2 -units_kilogram 1e-9 -lx 125 -ly 125 -lz 250 -center 62.5,62.5,187.5 -rc 100. -ksp_atol 1e-4 -ksp_rtol 1e-3 -ksp_type bcgs -snes_atol 1e-3 -snes_lag_jacobian 100 -snes_lag_jacobian_persists -snes_mf_operator -ts_dt 1e-3 -implicit -ts_type alpha -compare_final_state_atol 5E-4 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-adv-rotation-implicit-stab-supg.bin 38 //TESTARGS(name="adv_translation_implicit_stab_su") -ceed {ceed_resource} -test -problem advection -CtauS .3 -stab su -degree 3 -dm_plex_box_faces 1,1,2 -units_kilogram 1e-9 -lx 125 -ly 125 -lz 250 -center 62.5,62.5,187.5 -rc 100. -ksp_atol 1e-4 -ksp_rtol 1e-3 -ksp_type bcgs -snes_atol 1e-3 -snes_lag_jacobian 100 -snes_lag_jacobian_persists -snes_mf_operator -ts_dt 1e-3 -implicit -ts_type alpha -problem_advection_wind translation -problem_advection_wind_translation .53,-1.33,-2.65 -compare_final_state_atol 5E-4 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-adv-translation-implicit-stab-su.bin 39 //TESTARGS(name="adv2d_rotation_explicit_strong") -ceed {ceed_resource} -test -problem advection2d -strong_form 1 -degree 3 -dm_plex_box_faces 1,1,2 -units_kilogram 1e-9 -lx 125 -ly 125 -lz 250 -center 62.5,62.5,187.5 -rc 100. -ts_dt 1e-3 -compare_final_state_atol 1E-11 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-adv2d-rotation-explicit-strong.bin 40 //TESTARGS(name="adv2d_rotation_implicit_stab_supg") -ceed {ceed_resource} -test -problem advection2d -CtauS .3 -stab supg -degree 3 -dm_plex_box_faces 1,1,2 -units_kilogram 1e-9 -lx 125 -ly 125 -lz 250 -center 62.5,62.5,187.5 -rc 100. -ksp_atol 1e-4 -ksp_rtol 1e-3 -ksp_type bcgs -snes_atol 1e-3 -snes_lag_jacobian 100 -snes_lag_jacobian_persists -snes_mf_operator -ts_dt 1e-3 -implicit -ts_type alpha -compare_final_state_atol 5E-4 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-adv2d-rotation-implicit-stab-supg.bin 41 //TESTARGS(name="adv2d_translation_implicit_stab_su") -ceed {ceed_resource} -test -problem advection2d -CtauS .3 -stab su -degree 3 -dm_plex_box_faces 1,1,2 -units_kilogram 1e-9 -lx 125 -ly 125 -lz 250 -center 62.5,62.5,187.5 -rc 100. -ksp_atol 1e-4 -ksp_rtol 1e-3 -ksp_type bcgs -snes_atol 1e-3 -snes_lag_jacobian 100 -snes_lag_jacobian_persists -snes_mf_operator -ts_dt 1e-3 -implicit -ts_type alpha -problem_advection_wind translation -problem_advection_wind_translation .53,-1.33,0 -compare_final_state_atol 5E-4 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-adv2d-translation-implicit-stab-su.bin 42 43 /// @file 44 /// Navier-Stokes example using PETSc 45 46 const char help[] = "Solve Navier-Stokes using PETSc and libCEED\n"; 47 48 #include <ceed.h> 49 #include <petscdmplex.h> 50 #include <petscsys.h> 51 #include <petscts.h> 52 #include <stdbool.h> 53 #include "advection.h" 54 #include "advection2d.h" 55 #include "common.h" 56 #include "euler-vortex.h" 57 #include "densitycurrent.h" 58 #include "setup-boundary.h" 59 60 #if PETSC_VERSION_LT(3,14,0) 61 # define DMPlexGetClosureIndices(a,b,c,d,e,f,g,h,i) DMPlexGetClosureIndices(a,b,c,d,f,g,i) 62 # define DMPlexRestoreClosureIndices(a,b,c,d,e,f,g,h,i) DMPlexRestoreClosureIndices(a,b,c,d,f,g,i) 63 #endif 64 65 #if PETSC_VERSION_LT(3,14,0) 66 # define DMAddBoundary(a,b,c,d,e,f,g,h,i,j,k,l) DMAddBoundary(a,b,c,d,e,f,g,h,j,k,l) 67 #endif 68 69 // MemType Options 70 static const char *const memTypes[] = { 71 "host", 72 "device", 73 "memType", "CEED_MEM_", NULL 74 }; 75 76 // Problem Options 77 typedef enum { 78 NS_DENSITY_CURRENT = 0, 79 NS_ADVECTION = 1, 80 NS_ADVECTION2D = 2, 81 NS_EULER_VORTEX = 3, 82 } problemType; 83 static const char *const problemTypes[] = { 84 "density_current", 85 "advection", 86 "advection2d", 87 "euler_vortex", 88 "problemType", "NS_", NULL 89 }; 90 91 // Wind Options for Advection 92 typedef enum { 93 ADVECTION_WIND_ROTATION = 0, 94 ADVECTION_WIND_TRANSLATION = 1, 95 } WindType; 96 static const char *const WindTypes[] = { 97 "rotation", 98 "translation", 99 "WindType", "ADVECTION_WIND_", NULL 100 }; 101 102 typedef enum { 103 STAB_NONE = 0, 104 STAB_SU = 1, // Streamline Upwind 105 STAB_SUPG = 2, // Streamline Upwind Petrov-Galerkin 106 } StabilizationType; 107 static const char *const StabilizationTypes[] = { 108 "none", 109 "SU", 110 "SUPG", 111 "StabilizationType", "STAB_", NULL 112 }; 113 114 // Problem specific data 115 typedef struct { 116 CeedInt dim, qdatasizeVol, qdatasizeSur; 117 CeedQFunctionUser setupVol, setupSur, ics, applyVol_rhs, applyVol_ifunction, 118 applySur; 119 PetscErrorCode (*bc)(PetscInt, PetscReal, const PetscReal[], PetscInt, 120 PetscScalar[], void *); 121 const char *setupVol_loc, *setupSur_loc, *ics_loc, *applyVol_rhs_loc, 122 *applyVol_ifunction_loc, *applySur_loc; 123 const bool non_zero_time; 124 } problemData; 125 126 problemData problemOptions[] = { 127 [NS_DENSITY_CURRENT] = { 128 .dim = 3, 129 .qdatasizeVol = 10, 130 .qdatasizeSur = 4, 131 .setupVol = Setup, 132 .setupVol_loc = Setup_loc, 133 .setupSur = SetupBoundary, 134 .setupSur_loc = SetupBoundary_loc, 135 .ics = ICsDC, 136 .ics_loc = ICsDC_loc, 137 .applyVol_rhs = DC, 138 .applyVol_rhs_loc = DC_loc, 139 .applyVol_ifunction = IFunction_DC, 140 .applyVol_ifunction_loc = IFunction_DC_loc, 141 .bc = Exact_DC, 142 .non_zero_time = PETSC_FALSE, 143 }, 144 [NS_ADVECTION] = { 145 .dim = 3, 146 .qdatasizeVol = 10, 147 .qdatasizeSur = 4, 148 .setupVol = Setup, 149 .setupVol_loc = Setup_loc, 150 .setupSur = SetupBoundary, 151 .setupSur_loc = SetupBoundary_loc, 152 .ics = ICsAdvection, 153 .ics_loc = ICsAdvection_loc, 154 .applyVol_rhs = Advection, 155 .applyVol_rhs_loc = Advection_loc, 156 .applyVol_ifunction = IFunction_Advection, 157 .applyVol_ifunction_loc = IFunction_Advection_loc, 158 .applySur = Advection_Sur, 159 .applySur_loc = Advection_Sur_loc, 160 .bc = Exact_Advection, 161 .non_zero_time = PETSC_FALSE, 162 }, 163 [NS_ADVECTION2D] = { 164 .dim = 2, 165 .qdatasizeVol = 5, 166 .qdatasizeSur = 3, 167 .setupVol = Setup2d, 168 .setupVol_loc = Setup2d_loc, 169 .setupSur = SetupBoundary2d, 170 .setupSur_loc = SetupBoundary2d_loc, 171 .ics = ICsAdvection2d, 172 .ics_loc = ICsAdvection2d_loc, 173 .applyVol_rhs = Advection2d, 174 .applyVol_rhs_loc = Advection2d_loc, 175 .applyVol_ifunction = IFunction_Advection2d, 176 .applyVol_ifunction_loc = IFunction_Advection2d_loc, 177 .applySur = Advection2d_Sur, 178 .applySur_loc = Advection2d_Sur_loc, 179 .bc = Exact_Advection2d, 180 .non_zero_time = PETSC_TRUE, 181 }, 182 [NS_EULER_VORTEX] = { 183 .dim = 3, 184 .qdatasizeVol = 10, 185 .qdatasizeSur = 4, 186 .setupVol = Setup, 187 .setupVol_loc = Setup_loc, 188 .setupSur = SetupBoundary, 189 .setupSur_loc = SetupBoundary_loc, 190 .ics = ICsEuler, 191 .ics_loc = ICsEuler_loc, 192 .applyVol_rhs = Euler, 193 .applyVol_rhs_loc = Euler_loc, 194 .bc = Exact_Euler, 195 .non_zero_time = PETSC_TRUE, 196 }, 197 }; 198 199 // PETSc user data 200 typedef struct User_ *User; 201 typedef struct Units_ *Units; 202 203 struct User_ { 204 MPI_Comm comm; 205 PetscInt outputfreq; 206 DM dm; 207 DM dmviz; 208 Mat interpviz; 209 Ceed ceed; 210 Units units; 211 CeedVector qceed, qdotceed, gceed; 212 CeedOperator op_rhs_vol, op_rhs, op_ifunction_vol, op_ifunction; 213 Vec M; 214 char outputdir[PETSC_MAX_PATH_LEN]; 215 PetscInt contsteps; 216 EulerContext ctxEulerData; 217 }; 218 219 struct Units_ { 220 // fundamental units 221 PetscScalar meter; 222 PetscScalar kilogram; 223 PetscScalar second; 224 PetscScalar Kelvin; 225 // derived units 226 PetscScalar Pascal; 227 PetscScalar JperkgK; 228 PetscScalar mpersquareds; 229 PetscScalar WpermK; 230 PetscScalar kgpercubicm; 231 PetscScalar kgpersquaredms; 232 PetscScalar Joulepercubicm; 233 PetscScalar Joule; 234 }; 235 236 typedef struct SimpleBC_ *SimpleBC; 237 struct SimpleBC_ { 238 PetscInt nwall, nslip[3]; 239 PetscInt walls[6], slips[3][6]; 240 PetscBool userbc; 241 }; 242 243 // Essential BC dofs are encoded in closure indices as -(i+1). 244 static PetscInt Involute(PetscInt i) { 245 return i >= 0 ? i : -(i+1); 246 } 247 248 // Utility function to create local CEED restriction 249 static PetscErrorCode CreateRestrictionFromPlex(Ceed ceed, DM dm, CeedInt P, 250 CeedInt height, DMLabel domainLabel, CeedInt value, 251 CeedElemRestriction *Erestrict) { 252 253 PetscSection section; 254 PetscInt p, Nelem, Ndof, *erestrict, eoffset, nfields, dim, depth; 255 DMLabel depthLabel; 256 IS depthIS, iterIS; 257 Vec Uloc; 258 const PetscInt *iterIndices; 259 PetscErrorCode ierr; 260 261 PetscFunctionBeginUser; 262 ierr = DMGetDimension(dm, &dim); CHKERRQ(ierr); 263 dim -= height; 264 ierr = DMGetLocalSection(dm, §ion); CHKERRQ(ierr); 265 ierr = PetscSectionGetNumFields(section, &nfields); CHKERRQ(ierr); 266 PetscInt ncomp[nfields], fieldoff[nfields+1]; 267 fieldoff[0] = 0; 268 for (PetscInt f=0; f<nfields; f++) { 269 ierr = PetscSectionGetFieldComponents(section, f, &ncomp[f]); CHKERRQ(ierr); 270 fieldoff[f+1] = fieldoff[f] + ncomp[f]; 271 } 272 273 ierr = DMPlexGetDepth(dm, &depth); CHKERRQ(ierr); 274 ierr = DMPlexGetDepthLabel(dm, &depthLabel); CHKERRQ(ierr); 275 ierr = DMLabelGetStratumIS(depthLabel, depth - height, &depthIS); CHKERRQ(ierr); 276 if (domainLabel) { 277 IS domainIS; 278 ierr = DMLabelGetStratumIS(domainLabel, value, &domainIS); CHKERRQ(ierr); 279 if (domainIS) { // domainIS is non-empty 280 ierr = ISIntersect(depthIS, domainIS, &iterIS); CHKERRQ(ierr); 281 ierr = ISDestroy(&domainIS); CHKERRQ(ierr); 282 } else { // domainIS is NULL (empty) 283 iterIS = NULL; 284 } 285 ierr = ISDestroy(&depthIS); CHKERRQ(ierr); 286 } else { 287 iterIS = depthIS; 288 } 289 if (iterIS) { 290 ierr = ISGetLocalSize(iterIS, &Nelem); CHKERRQ(ierr); 291 ierr = ISGetIndices(iterIS, &iterIndices); CHKERRQ(ierr); 292 } else { 293 Nelem = 0; 294 iterIndices = NULL; 295 } 296 ierr = PetscMalloc1(Nelem*PetscPowInt(P, dim), &erestrict); CHKERRQ(ierr); 297 for (p=0,eoffset=0; p<Nelem; p++) { 298 PetscInt c = iterIndices[p]; 299 PetscInt numindices, *indices, nnodes; 300 ierr = DMPlexGetClosureIndices(dm, section, section, c, PETSC_TRUE, 301 &numindices, &indices, NULL, NULL); 302 CHKERRQ(ierr); 303 bool flip = false; 304 if (height > 0) { 305 PetscInt numCells, numFaces, start = -1; 306 const PetscInt *orients, *faces, *cells; 307 ierr = DMPlexGetSupport(dm, c, &cells); CHKERRQ(ierr); 308 ierr = DMPlexGetSupportSize(dm, c, &numCells); CHKERRQ(ierr); 309 if (numCells != 1) SETERRQ1(PETSC_COMM_SELF, PETSC_ERR_ARG_INCOMP, 310 "Expected one cell in support of exterior face, but got %D cells", 311 numCells); 312 ierr = DMPlexGetCone(dm, cells[0], &faces); CHKERRQ(ierr); 313 ierr = DMPlexGetConeSize(dm, cells[0], &numFaces); CHKERRQ(ierr); 314 for (PetscInt i=0; i<numFaces; i++) {if (faces[i] == c) start = i;} 315 if (start < 0) SETERRQ1(PETSC_COMM_SELF, PETSC_ERR_ARG_CORRUPT, 316 "Could not find face %D in cone of its support", 317 c); 318 ierr = DMPlexGetConeOrientation(dm, cells[0], &orients); CHKERRQ(ierr); 319 if (orients[start] < 0) flip = true; 320 } 321 if (numindices % fieldoff[nfields]) SETERRQ1(PETSC_COMM_SELF, 322 PETSC_ERR_ARG_INCOMP, "Number of closure indices not compatible with Cell %D", 323 c); 324 nnodes = numindices / fieldoff[nfields]; 325 for (PetscInt i=0; i<nnodes; i++) { 326 PetscInt ii = i; 327 if (flip) { 328 if (P == nnodes) ii = nnodes - 1 - i; 329 else if (P*P == nnodes) { 330 PetscInt row = i / P, col = i % P; 331 ii = row + col * P; 332 } else SETERRQ2(PETSC_COMM_SELF, PETSC_ERR_SUP, 333 "No support for flipping point with %D nodes != P (%D) or P^2", 334 nnodes, P); 335 } 336 // Check that indices are blocked by node and thus can be coalesced as a single field with 337 // fieldoff[nfields] = sum(ncomp) components. 338 for (PetscInt f=0; f<nfields; f++) { 339 for (PetscInt j=0; j<ncomp[f]; j++) { 340 if (Involute(indices[fieldoff[f]*nnodes + ii*ncomp[f] + j]) 341 != Involute(indices[ii*ncomp[0]]) + fieldoff[f] + j) 342 SETERRQ4(PETSC_COMM_SELF, PETSC_ERR_ARG_INCOMP, 343 "Cell %D closure indices not interlaced for node %D field %D component %D", 344 c, ii, f, j); 345 } 346 } 347 // Essential boundary conditions are encoded as -(loc+1), but we don't care so we decode. 348 PetscInt loc = Involute(indices[ii*ncomp[0]]); 349 erestrict[eoffset++] = loc; 350 } 351 ierr = DMPlexRestoreClosureIndices(dm, section, section, c, PETSC_TRUE, 352 &numindices, &indices, NULL, NULL); 353 CHKERRQ(ierr); 354 } 355 if (eoffset != Nelem*PetscPowInt(P, dim)) 356 SETERRQ3(PETSC_COMM_SELF, PETSC_ERR_LIB, 357 "ElemRestriction of size (%D,%D) initialized %D nodes", Nelem, 358 PetscPowInt(P, dim),eoffset); 359 if (iterIS) { 360 ierr = ISRestoreIndices(iterIS, &iterIndices); CHKERRQ(ierr); 361 } 362 ierr = ISDestroy(&iterIS); CHKERRQ(ierr); 363 364 ierr = DMGetLocalVector(dm, &Uloc); CHKERRQ(ierr); 365 ierr = VecGetLocalSize(Uloc, &Ndof); CHKERRQ(ierr); 366 ierr = DMRestoreLocalVector(dm, &Uloc); CHKERRQ(ierr); 367 CeedElemRestrictionCreate(ceed, Nelem, PetscPowInt(P, dim), fieldoff[nfields], 368 1, Ndof, CEED_MEM_HOST, CEED_COPY_VALUES, erestrict, 369 Erestrict); 370 ierr = PetscFree(erestrict); CHKERRQ(ierr); 371 PetscFunctionReturn(0); 372 } 373 374 // Utility function to get Ceed Restriction for each domain 375 static PetscErrorCode GetRestrictionForDomain(Ceed ceed, DM dm, CeedInt height, 376 DMLabel domainLabel, PetscInt value, CeedInt P, CeedInt Q, CeedInt qdatasize, 377 CeedElemRestriction *restrictq, CeedElemRestriction *restrictx, 378 CeedElemRestriction *restrictqdi) { 379 380 DM dmcoord; 381 CeedInt dim, localNelem; 382 CeedInt Qdim; 383 PetscErrorCode ierr; 384 385 PetscFunctionBeginUser; 386 ierr = DMGetDimension(dm, &dim); CHKERRQ(ierr); 387 dim -= height; 388 Qdim = CeedIntPow(Q, dim); 389 ierr = DMGetCoordinateDM(dm, &dmcoord); CHKERRQ(ierr); 390 ierr = DMPlexSetClosurePermutationTensor(dmcoord, PETSC_DETERMINE, NULL); 391 CHKERRQ(ierr); 392 ierr = CreateRestrictionFromPlex(ceed, dm, P, height, domainLabel, value, 393 restrictq); 394 CHKERRQ(ierr); 395 ierr = CreateRestrictionFromPlex(ceed, dmcoord, 2, height, domainLabel, value, 396 restrictx); 397 CHKERRQ(ierr); 398 CeedElemRestrictionGetNumElements(*restrictq, &localNelem); 399 CeedElemRestrictionCreateStrided(ceed, localNelem, Qdim, 400 qdatasize, qdatasize*localNelem*Qdim, 401 CEED_STRIDES_BACKEND, restrictqdi); 402 PetscFunctionReturn(0); 403 } 404 405 // Utility function to create CEED Composite Operator for the entire domain 406 static PetscErrorCode CreateOperatorForDomain(Ceed ceed, DM dm, SimpleBC bc, 407 problemType problemChoice, WindType wind_type, CeedOperator op_applyVol, 408 CeedQFunction qf_applySur, CeedQFunction qf_setupSur,CeedInt height, 409 CeedInt numP_Sur, CeedInt numQ_Sur, CeedInt qdatasizeSur, CeedInt NqptsSur, 410 CeedBasis basisxSur, CeedBasis basisqSur, CeedOperator *op_apply) { 411 412 CeedInt dim, nFace; 413 PetscInt lsize; 414 Vec Xloc; 415 CeedVector xcorners; 416 DMLabel domainLabel; 417 PetscScalar *x; 418 PetscErrorCode ierr; 419 420 PetscFunctionBeginUser; 421 // Composite Operaters 422 CeedCompositeOperatorCreate(ceed, op_apply); 423 // --Apply a Sub-Operator for the volume 424 CeedCompositeOperatorAddSub(*op_apply, op_applyVol); 425 426 // Required data for in/outflow BCs 427 ierr = DMGetCoordinatesLocal(dm, &Xloc); CHKERRQ(ierr); 428 ierr = VecGetLocalSize(Xloc, &lsize); CHKERRQ(ierr); 429 ierr = CeedVectorCreate(ceed, lsize, &xcorners); CHKERRQ(ierr); 430 ierr = VecGetArray(Xloc, &x); CHKERRQ(ierr); 431 CeedVectorSetArray(xcorners, CEED_MEM_HOST, CEED_USE_POINTER, x); 432 ierr = DMGetLabel(dm, "Face Sets", &domainLabel); CHKERRQ(ierr); 433 ierr = DMGetDimension(dm, &dim); CHKERRQ(ierr); 434 435 if (wind_type == ADVECTION_WIND_TRANSLATION) { 436 // Ignore wall and slip BCs 437 bc->nwall = 0; 438 bc->nslip[0] = bc->nslip[1] = bc->nslip[2] = 0; 439 440 // Set number of faces 441 if (dim == 2) nFace = 4; 442 if (dim == 3) nFace = 6; 443 444 // Create CEED Operator for each boundary face 445 PetscInt localNelemSur[6]; 446 CeedVector qdataSur[6]; 447 CeedOperator op_setupSur[6], op_applySur[6]; 448 CeedElemRestriction restrictxSur[6], restrictqSur[6], restrictqdiSur[6]; 449 450 for (CeedInt i=0; i<nFace; i++) { 451 ierr = GetRestrictionForDomain(ceed, dm, height, domainLabel, i+1, numP_Sur, 452 numQ_Sur, qdatasizeSur, &restrictqSur[i], 453 &restrictxSur[i], &restrictqdiSur[i]); 454 CHKERRQ(ierr); 455 // Create the CEED vectors that will be needed in Boundary setup 456 CeedElemRestrictionGetNumElements(restrictqSur[i], &localNelemSur[i]); 457 CeedVectorCreate(ceed, qdatasizeSur*localNelemSur[i]*NqptsSur, 458 &qdataSur[i]); 459 // Create the operator that builds the quadrature data for the Boundary operator 460 CeedOperatorCreate(ceed, qf_setupSur, NULL, NULL, &op_setupSur[i]); 461 CeedOperatorSetField(op_setupSur[i], "dx", restrictxSur[i], basisxSur, 462 CEED_VECTOR_ACTIVE); 463 CeedOperatorSetField(op_setupSur[i], "weight", CEED_ELEMRESTRICTION_NONE, 464 basisxSur, CEED_VECTOR_NONE); 465 CeedOperatorSetField(op_setupSur[i], "qdataSur", restrictqdiSur[i], 466 CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 467 // Create Boundary operator 468 CeedOperatorCreate(ceed, qf_applySur, NULL, NULL, &op_applySur[i]); 469 CeedOperatorSetField(op_applySur[i], "q", restrictqSur[i], basisqSur, 470 CEED_VECTOR_ACTIVE); 471 CeedOperatorSetField(op_applySur[i], "qdataSur", restrictqdiSur[i], 472 CEED_BASIS_COLLOCATED, qdataSur[i]); 473 CeedOperatorSetField(op_applySur[i], "x", restrictxSur[i], basisxSur, 474 xcorners); 475 CeedOperatorSetField(op_applySur[i], "v", restrictqSur[i], basisqSur, 476 CEED_VECTOR_ACTIVE); 477 // Apply CEED operator for Boundary setup 478 CeedOperatorApply(op_setupSur[i], xcorners, qdataSur[i], 479 CEED_REQUEST_IMMEDIATE); 480 // --Apply Sub-Operator for the Boundary 481 CeedCompositeOperatorAddSub(*op_apply, op_applySur[i]); 482 } 483 CeedVectorDestroy(&xcorners); 484 } 485 PetscFunctionReturn(0); 486 } 487 488 static int CreateVectorFromPetscVec(Ceed ceed, Vec p, CeedVector *v) { 489 PetscErrorCode ierr; 490 PetscInt m; 491 492 PetscFunctionBeginUser; 493 ierr = VecGetLocalSize(p, &m); CHKERRQ(ierr); 494 ierr = CeedVectorCreate(ceed, m, v); CHKERRQ(ierr); 495 PetscFunctionReturn(0); 496 } 497 498 static int VectorPlacePetscVec(CeedVector c, Vec p) { 499 PetscErrorCode ierr; 500 PetscInt mceed, mpetsc; 501 PetscScalar *a; 502 503 PetscFunctionBeginUser; 504 ierr = CeedVectorGetLength(c, &mceed); CHKERRQ(ierr); 505 ierr = VecGetLocalSize(p, &mpetsc); CHKERRQ(ierr); 506 if (mceed != mpetsc) SETERRQ2(PETSC_COMM_SELF, PETSC_ERR_ARG_INCOMP, 507 "Cannot place PETSc Vec of length %D in CeedVector of length %D", 508 mpetsc, mceed); 509 ierr = VecGetArray(p, &a); CHKERRQ(ierr); 510 CeedVectorSetArray(c, CEED_MEM_HOST, CEED_USE_POINTER, a); 511 PetscFunctionReturn(0); 512 } 513 514 static PetscErrorCode DMPlexInsertBoundaryValues_NS(DM dm, 515 PetscBool insertEssential, Vec Qloc, PetscReal time, Vec faceGeomFVM, 516 Vec cellGeomFVM, Vec gradFVM) { 517 PetscErrorCode ierr; 518 Vec Qbc; 519 520 PetscFunctionBegin; 521 ierr = DMGetNamedLocalVector(dm, "Qbc", &Qbc); CHKERRQ(ierr); 522 ierr = VecAXPY(Qloc, 1., Qbc); CHKERRQ(ierr); 523 ierr = DMRestoreNamedLocalVector(dm, "Qbc", &Qbc); CHKERRQ(ierr); 524 PetscFunctionReturn(0); 525 } 526 527 // This is the RHS of the ODE, given as u_t = G(t,u) 528 // This function takes in a state vector Q and writes into G 529 static PetscErrorCode RHS_NS(TS ts, PetscReal t, Vec Q, Vec G, void *userData) { 530 PetscErrorCode ierr; 531 User user = *(User *)userData; 532 PetscScalar *q, *g; 533 Vec Qloc, Gloc; 534 535 // Global-to-local 536 PetscFunctionBeginUser; 537 user->ctxEulerData->currentTime = t; 538 ierr = DMGetLocalVector(user->dm, &Qloc); CHKERRQ(ierr); 539 ierr = DMGetLocalVector(user->dm, &Gloc); CHKERRQ(ierr); 540 ierr = VecZeroEntries(Qloc); CHKERRQ(ierr); 541 ierr = DMGlobalToLocal(user->dm, Q, INSERT_VALUES, Qloc); CHKERRQ(ierr); 542 ierr = DMPlexInsertBoundaryValues(user->dm, PETSC_TRUE, Qloc, 0.0, 543 NULL, NULL, NULL); CHKERRQ(ierr); 544 ierr = VecZeroEntries(Gloc); CHKERRQ(ierr); 545 546 // Ceed Vectors 547 ierr = VecGetArrayRead(Qloc, (const PetscScalar **)&q); CHKERRQ(ierr); 548 ierr = VecGetArray(Gloc, &g); CHKERRQ(ierr); 549 CeedVectorSetArray(user->qceed, CEED_MEM_HOST, CEED_USE_POINTER, q); 550 CeedVectorSetArray(user->gceed, CEED_MEM_HOST, CEED_USE_POINTER, g); 551 552 // Apply CEED operator 553 CeedOperatorApply(user->op_rhs, user->qceed, user->gceed, 554 CEED_REQUEST_IMMEDIATE); 555 556 // Restore vectors 557 ierr = VecRestoreArrayRead(Qloc, (const PetscScalar **)&q); CHKERRQ(ierr); 558 ierr = VecRestoreArray(Gloc, &g); CHKERRQ(ierr); 559 560 ierr = VecZeroEntries(G); CHKERRQ(ierr); 561 ierr = DMLocalToGlobal(user->dm, Gloc, ADD_VALUES, G); CHKERRQ(ierr); 562 563 // Inverse of the lumped mass matrix 564 ierr = VecPointwiseMult(G, G, user->M); // M is Minv 565 CHKERRQ(ierr); 566 567 ierr = DMRestoreLocalVector(user->dm, &Qloc); CHKERRQ(ierr); 568 ierr = DMRestoreLocalVector(user->dm, &Gloc); CHKERRQ(ierr); 569 PetscFunctionReturn(0); 570 } 571 572 static PetscErrorCode IFunction_NS(TS ts, PetscReal t, Vec Q, Vec Qdot, Vec G, 573 void *userData) { 574 PetscErrorCode ierr; 575 User user = *(User *)userData; 576 const PetscScalar *q, *qdot; 577 PetscScalar *g; 578 Vec Qloc, Qdotloc, Gloc; 579 580 // Global-to-local 581 PetscFunctionBeginUser; 582 ierr = DMGetLocalVector(user->dm, &Qloc); CHKERRQ(ierr); 583 ierr = DMGetLocalVector(user->dm, &Qdotloc); CHKERRQ(ierr); 584 ierr = DMGetLocalVector(user->dm, &Gloc); CHKERRQ(ierr); 585 ierr = VecZeroEntries(Qloc); CHKERRQ(ierr); 586 ierr = DMGlobalToLocal(user->dm, Q, INSERT_VALUES, Qloc); CHKERRQ(ierr); 587 ierr = DMPlexInsertBoundaryValues(user->dm, PETSC_TRUE, Qloc, 0.0, 588 NULL, NULL, NULL); CHKERRQ(ierr); 589 ierr = VecZeroEntries(Qdotloc); CHKERRQ(ierr); 590 ierr = DMGlobalToLocal(user->dm, Qdot, INSERT_VALUES, Qdotloc); CHKERRQ(ierr); 591 ierr = VecZeroEntries(Gloc); CHKERRQ(ierr); 592 593 // Ceed Vectors 594 ierr = VecGetArrayRead(Qloc, &q); CHKERRQ(ierr); 595 ierr = VecGetArrayRead(Qdotloc, &qdot); CHKERRQ(ierr); 596 ierr = VecGetArray(Gloc, &g); CHKERRQ(ierr); 597 CeedVectorSetArray(user->qceed, CEED_MEM_HOST, CEED_USE_POINTER, 598 (PetscScalar *)q); 599 CeedVectorSetArray(user->qdotceed, CEED_MEM_HOST, CEED_USE_POINTER, 600 (PetscScalar *)qdot); 601 CeedVectorSetArray(user->gceed, CEED_MEM_HOST, CEED_USE_POINTER, g); 602 603 // Apply CEED operator 604 CeedOperatorApply(user->op_ifunction, user->qceed, user->gceed, 605 CEED_REQUEST_IMMEDIATE); 606 607 // Restore vectors 608 ierr = VecRestoreArrayRead(Qloc, &q); CHKERRQ(ierr); 609 ierr = VecRestoreArrayRead(Qdotloc, &qdot); CHKERRQ(ierr); 610 ierr = VecRestoreArray(Gloc, &g); CHKERRQ(ierr); 611 612 ierr = VecZeroEntries(G); CHKERRQ(ierr); 613 ierr = DMLocalToGlobal(user->dm, Gloc, ADD_VALUES, G); CHKERRQ(ierr); 614 615 ierr = DMRestoreLocalVector(user->dm, &Qloc); CHKERRQ(ierr); 616 ierr = DMRestoreLocalVector(user->dm, &Qdotloc); CHKERRQ(ierr); 617 ierr = DMRestoreLocalVector(user->dm, &Gloc); CHKERRQ(ierr); 618 PetscFunctionReturn(0); 619 } 620 621 // User provided TS Monitor 622 static PetscErrorCode TSMonitor_NS(TS ts, PetscInt stepno, PetscReal time, 623 Vec Q, void *ctx) { 624 User user = ctx; 625 Vec Qloc; 626 char filepath[PETSC_MAX_PATH_LEN]; 627 PetscViewer viewer; 628 PetscErrorCode ierr; 629 630 // Set up output 631 PetscFunctionBeginUser; 632 // Print every 'outputfreq' steps 633 if (stepno % user->outputfreq != 0) 634 PetscFunctionReturn(0); 635 ierr = DMGetLocalVector(user->dm, &Qloc); CHKERRQ(ierr); 636 ierr = PetscObjectSetName((PetscObject)Qloc, "StateVec"); CHKERRQ(ierr); 637 ierr = VecZeroEntries(Qloc); CHKERRQ(ierr); 638 ierr = DMGlobalToLocal(user->dm, Q, INSERT_VALUES, Qloc); CHKERRQ(ierr); 639 640 // Output 641 ierr = PetscSNPrintf(filepath, sizeof filepath, "%s/ns-%03D.vtu", 642 user->outputdir, stepno + user->contsteps); 643 CHKERRQ(ierr); 644 ierr = PetscViewerVTKOpen(PetscObjectComm((PetscObject)Q), filepath, 645 FILE_MODE_WRITE, &viewer); CHKERRQ(ierr); 646 ierr = VecView(Qloc, viewer); CHKERRQ(ierr); 647 ierr = PetscViewerDestroy(&viewer); CHKERRQ(ierr); 648 if (user->dmviz) { 649 Vec Qrefined, Qrefined_loc; 650 char filepath_refined[PETSC_MAX_PATH_LEN]; 651 PetscViewer viewer_refined; 652 653 ierr = DMGetGlobalVector(user->dmviz, &Qrefined); CHKERRQ(ierr); 654 ierr = DMGetLocalVector(user->dmviz, &Qrefined_loc); CHKERRQ(ierr); 655 ierr = PetscObjectSetName((PetscObject)Qrefined_loc, "Refined"); 656 CHKERRQ(ierr); 657 ierr = MatInterpolate(user->interpviz, Q, Qrefined); CHKERRQ(ierr); 658 ierr = VecZeroEntries(Qrefined_loc); CHKERRQ(ierr); 659 ierr = DMGlobalToLocal(user->dmviz, Qrefined, INSERT_VALUES, Qrefined_loc); 660 CHKERRQ(ierr); 661 ierr = PetscSNPrintf(filepath_refined, sizeof filepath_refined, 662 "%s/nsrefined-%03D.vtu", 663 user->outputdir, stepno + user->contsteps); 664 CHKERRQ(ierr); 665 ierr = PetscViewerVTKOpen(PetscObjectComm((PetscObject)Qrefined), 666 filepath_refined, 667 FILE_MODE_WRITE, &viewer_refined); CHKERRQ(ierr); 668 ierr = VecView(Qrefined_loc, viewer_refined); CHKERRQ(ierr); 669 ierr = DMRestoreLocalVector(user->dmviz, &Qrefined_loc); CHKERRQ(ierr); 670 ierr = DMRestoreGlobalVector(user->dmviz, &Qrefined); CHKERRQ(ierr); 671 ierr = PetscViewerDestroy(&viewer_refined); CHKERRQ(ierr); 672 } 673 ierr = DMRestoreLocalVector(user->dm, &Qloc); CHKERRQ(ierr); 674 675 // Save data in a binary file for continuation of simulations 676 ierr = PetscSNPrintf(filepath, sizeof filepath, "%s/ns-solution.bin", 677 user->outputdir); CHKERRQ(ierr); 678 ierr = PetscViewerBinaryOpen(user->comm, filepath, FILE_MODE_WRITE, &viewer); 679 CHKERRQ(ierr); 680 ierr = VecView(Q, viewer); CHKERRQ(ierr); 681 ierr = PetscViewerDestroy(&viewer); CHKERRQ(ierr); 682 683 // Save time stamp 684 // Dimensionalize time back 685 time /= user->units->second; 686 ierr = PetscSNPrintf(filepath, sizeof filepath, "%s/ns-time.bin", 687 user->outputdir); CHKERRQ(ierr); 688 ierr = PetscViewerBinaryOpen(user->comm, filepath, FILE_MODE_WRITE, &viewer); 689 CHKERRQ(ierr); 690 #if PETSC_VERSION_GE(3,13,0) 691 ierr = PetscViewerBinaryWrite(viewer, &time, 1, PETSC_REAL); 692 #else 693 ierr = PetscViewerBinaryWrite(viewer, &time, 1, PETSC_REAL, true); 694 #endif 695 CHKERRQ(ierr); 696 ierr = PetscViewerDestroy(&viewer); CHKERRQ(ierr); 697 698 PetscFunctionReturn(0); 699 } 700 701 static PetscErrorCode ICs_FixMultiplicity(CeedOperator op_ics, 702 CeedVector xcorners, CeedVector q0ceed, DM dm, Vec Qloc, Vec Q, 703 CeedElemRestriction restrictq, CeedQFunctionContext ctxSetup, CeedScalar time) { 704 PetscErrorCode ierr; 705 CeedVector multlvec; 706 Vec Multiplicity, MultiplicityLoc; 707 708 SetupContext ctxSetupData; 709 CeedQFunctionContextGetData(ctxSetup, CEED_MEM_HOST, (void **)&ctxSetupData); 710 ctxSetupData->time = time; 711 CeedQFunctionContextRestoreData(ctxSetup, (void **)&ctxSetupData); 712 713 ierr = VecZeroEntries(Qloc); CHKERRQ(ierr); 714 ierr = VectorPlacePetscVec(q0ceed, Qloc); CHKERRQ(ierr); 715 CeedOperatorApply(op_ics, xcorners, q0ceed, CEED_REQUEST_IMMEDIATE); 716 ierr = VecZeroEntries(Q); CHKERRQ(ierr); 717 ierr = DMLocalToGlobal(dm, Qloc, ADD_VALUES, Q); CHKERRQ(ierr); 718 719 // Fix multiplicity for output of ICs 720 ierr = DMGetLocalVector(dm, &MultiplicityLoc); CHKERRQ(ierr); 721 CeedElemRestrictionCreateVector(restrictq, &multlvec, NULL); 722 ierr = VectorPlacePetscVec(multlvec, MultiplicityLoc); CHKERRQ(ierr); 723 CeedElemRestrictionGetMultiplicity(restrictq, multlvec); 724 CeedVectorDestroy(&multlvec); 725 ierr = DMGetGlobalVector(dm, &Multiplicity); CHKERRQ(ierr); 726 ierr = VecZeroEntries(Multiplicity); CHKERRQ(ierr); 727 ierr = DMLocalToGlobal(dm, MultiplicityLoc, ADD_VALUES, Multiplicity); 728 CHKERRQ(ierr); 729 ierr = VecPointwiseDivide(Q, Q, Multiplicity); CHKERRQ(ierr); 730 ierr = VecPointwiseDivide(Qloc, Qloc, MultiplicityLoc); CHKERRQ(ierr); 731 ierr = DMRestoreLocalVector(dm, &MultiplicityLoc); CHKERRQ(ierr); 732 ierr = DMRestoreGlobalVector(dm, &Multiplicity); CHKERRQ(ierr); 733 734 PetscFunctionReturn(0); 735 } 736 737 static PetscErrorCode ComputeLumpedMassMatrix(Ceed ceed, DM dm, 738 CeedElemRestriction restrictq, CeedBasis basisq, 739 CeedElemRestriction restrictqdi, CeedVector qdata, Vec M) { 740 PetscErrorCode ierr; 741 CeedQFunction qf_mass; 742 CeedOperator op_mass; 743 CeedVector mceed; 744 Vec Mloc; 745 CeedInt ncompq, qdatasize; 746 747 PetscFunctionBeginUser; 748 CeedElemRestrictionGetNumComponents(restrictq, &ncompq); 749 CeedElemRestrictionGetNumComponents(restrictqdi, &qdatasize); 750 // Create the Q-function that defines the action of the mass operator 751 CeedQFunctionCreateInterior(ceed, 1, Mass, Mass_loc, &qf_mass); 752 CeedQFunctionAddInput(qf_mass, "q", ncompq, CEED_EVAL_INTERP); 753 CeedQFunctionAddInput(qf_mass, "qdata", qdatasize, CEED_EVAL_NONE); 754 CeedQFunctionAddOutput(qf_mass, "v", ncompq, CEED_EVAL_INTERP); 755 756 // Create the mass operator 757 CeedOperatorCreate(ceed, qf_mass, NULL, NULL, &op_mass); 758 CeedOperatorSetField(op_mass, "q", restrictq, basisq, CEED_VECTOR_ACTIVE); 759 CeedOperatorSetField(op_mass, "qdata", restrictqdi, 760 CEED_BASIS_COLLOCATED, qdata); 761 CeedOperatorSetField(op_mass, "v", restrictq, basisq, CEED_VECTOR_ACTIVE); 762 763 ierr = DMGetLocalVector(dm, &Mloc); CHKERRQ(ierr); 764 ierr = VecZeroEntries(Mloc); CHKERRQ(ierr); 765 CeedElemRestrictionCreateVector(restrictq, &mceed, NULL); 766 ierr = VectorPlacePetscVec(mceed, Mloc); CHKERRQ(ierr); 767 768 { 769 // Compute a lumped mass matrix 770 CeedVector onesvec; 771 CeedElemRestrictionCreateVector(restrictq, &onesvec, NULL); 772 CeedVectorSetValue(onesvec, 1.0); 773 CeedOperatorApply(op_mass, onesvec, mceed, CEED_REQUEST_IMMEDIATE); 774 CeedVectorDestroy(&onesvec); 775 CeedOperatorDestroy(&op_mass); 776 CeedVectorDestroy(&mceed); 777 } 778 CeedQFunctionDestroy(&qf_mass); 779 780 ierr = VecZeroEntries(M); CHKERRQ(ierr); 781 ierr = DMLocalToGlobal(dm, Mloc, ADD_VALUES, M); CHKERRQ(ierr); 782 ierr = DMRestoreLocalVector(dm, &Mloc); CHKERRQ(ierr); 783 784 // Invert diagonally lumped mass vector for RHS function 785 ierr = VecReciprocal(M); CHKERRQ(ierr); 786 PetscFunctionReturn(0); 787 } 788 789 static PetscErrorCode SetUpDM(DM dm, problemData *problem, PetscInt degree, 790 SimpleBC bc, void *ctxSetupData, void *ctxMMS) { 791 PetscErrorCode ierr; 792 793 PetscFunctionBeginUser; 794 { 795 // Configure the finite element space and boundary conditions 796 PetscFE fe; 797 PetscInt ncompq = 5; 798 ierr = PetscFECreateLagrange(PETSC_COMM_SELF, problem->dim, ncompq, 799 PETSC_FALSE, degree, PETSC_DECIDE, 800 &fe); CHKERRQ(ierr); 801 ierr = PetscObjectSetName((PetscObject)fe, "Q"); CHKERRQ(ierr); 802 ierr = DMAddField(dm, NULL,(PetscObject)fe); CHKERRQ(ierr); 803 ierr = DMCreateDS(dm); CHKERRQ(ierr); 804 if (problem->bc == Exact_Euler) 805 bc->nwall = bc->nslip[0] = bc->nslip[1] = 0; 806 { 807 PetscInt comps[1] = {1}; 808 ierr = DMAddBoundary(dm, DM_BC_ESSENTIAL, "slipx", "Face Sets", 0, 809 1, comps, (void(*)(void))NULL, NULL, bc->nslip[0], 810 bc->slips[0], ctxSetupData); CHKERRQ(ierr); 811 comps[0] = 2; 812 ierr = DMAddBoundary(dm, DM_BC_ESSENTIAL, "slipy", "Face Sets", 0, 813 1, comps, (void(*)(void))NULL, NULL, bc->nslip[1], 814 bc->slips[1], ctxSetupData); CHKERRQ(ierr); 815 comps[0] = 3; 816 ierr = DMAddBoundary(dm, DM_BC_ESSENTIAL, "slipz", "Face Sets", 0, 817 1, comps, (void(*)(void))NULL, NULL, bc->nslip[2], 818 bc->slips[2], ctxSetupData); CHKERRQ(ierr); 819 } 820 if (bc->userbc == PETSC_TRUE) { 821 for (PetscInt c = 0; c < 3; c++) { 822 for (PetscInt s = 0; s < bc->nslip[c]; s++) { 823 for (PetscInt w = 0; w < bc->nwall; w++) { 824 if (bc->slips[c][s] == bc->walls[w]) 825 SETERRQ1(PETSC_COMM_SELF, PETSC_ERR_ARG_WRONG, 826 "Boundary condition already set on face %D!\n", 827 bc->walls[w]); 828 } 829 } 830 } 831 } 832 // Wall boundary conditions are zero energy density and zero flux for 833 // velocity in advection/advection2d, and zero velocity and zero flux 834 // for mass density and energy density in density_current 835 { 836 if (problem->bc == Exact_Advection || problem->bc == Exact_Advection2d) { 837 PetscInt comps[1] = {4}; 838 ierr = DMAddBoundary(dm, DM_BC_ESSENTIAL, "wall", "Face Sets", 0, 839 1, comps, (void(*)(void))problem->bc, NULL, 840 bc->nwall, bc->walls, ctxSetupData); CHKERRQ(ierr); 841 } else if (problem->bc == Exact_DC) { 842 PetscInt comps[3] = {1, 2, 3}; 843 ierr = DMAddBoundary(dm, DM_BC_ESSENTIAL, "wall", "Face Sets", 0, 844 3, comps, (void(*)(void))problem->bc, NULL, 845 bc->nwall, bc->walls, ctxSetupData); CHKERRQ(ierr); 846 } else if (problem->bc == Exact_Euler) { 847 PetscInt bcMMS[4] = {3, 4, 5, 6}; 848 ierr = DMAddBoundary(dm, DM_BC_ESSENTIAL, "mms", "Face Sets", 0, 849 0, NULL, (void(*)(void))problem->bc, NULL, 850 4, bcMMS, ctxMMS); CHKERRQ(ierr); 851 } else 852 SETERRQ(PETSC_COMM_SELF, PETSC_ERR_ARG_NULL, 853 "Undefined boundary conditions for this problem"); 854 } 855 ierr = DMPlexSetClosurePermutationTensor(dm, PETSC_DETERMINE, NULL); 856 CHKERRQ(ierr); 857 ierr = PetscFEDestroy(&fe); CHKERRQ(ierr); 858 } 859 { 860 // Empty name for conserved field (because there is only one field) 861 PetscSection section; 862 ierr = DMGetLocalSection(dm, §ion); CHKERRQ(ierr); 863 ierr = PetscSectionSetFieldName(section, 0, ""); CHKERRQ(ierr); 864 ierr = PetscSectionSetComponentName(section, 0, 0, "Density"); 865 CHKERRQ(ierr); 866 ierr = PetscSectionSetComponentName(section, 0, 1, "MomentumX"); 867 CHKERRQ(ierr); 868 ierr = PetscSectionSetComponentName(section, 0, 2, "MomentumY"); 869 CHKERRQ(ierr); 870 ierr = PetscSectionSetComponentName(section, 0, 3, "MomentumZ"); 871 CHKERRQ(ierr); 872 ierr = PetscSectionSetComponentName(section, 0, 4, "EnergyDensity"); 873 CHKERRQ(ierr); 874 } 875 PetscFunctionReturn(0); 876 } 877 878 int main(int argc, char **argv) { 879 PetscInt ierr; 880 MPI_Comm comm; 881 DM dm, dmcoord, dmviz; 882 Mat interpviz; 883 TS ts; 884 TSAdapt adapt; 885 User user; 886 Units units; 887 EulerContext ctxEulerData; 888 char ceedresource[4096] = "/cpu/self"; 889 PetscInt localNelemVol, lnodes, gnodes, steps; 890 const PetscInt ncompq = 5; 891 PetscMPIInt rank; 892 PetscScalar ftime; 893 Vec Q, Qloc, Xloc; 894 Ceed ceed; 895 CeedInt numP, numQ; 896 CeedVector xcorners, qdata, q0ceed; 897 CeedBasis basisx, basisxc, basisq; 898 CeedElemRestriction restrictx, restrictq, restrictqdi; 899 CeedQFunction qf_setupVol, qf_ics, qf_rhsVol, qf_ifunctionVol; 900 CeedQFunctionContext ctxSetup, ctxNS, ctxAdvection2d, ctxSurface, ctxEuler; 901 CeedOperator op_setupVol, op_ics; 902 CeedScalar Rd; 903 CeedMemType memtyperequested; 904 PetscScalar WpermK, Pascal, JperkgK, mpersquareds, kgpercubicm, 905 kgpersquaredms, Joulepercubicm, Joule; 906 problemType problemChoice; 907 problemData *problem = NULL; 908 WindType wind_type; 909 StabilizationType stab; 910 PetscBool implicit; 911 PetscInt viz_refine = 0; 912 struct SimpleBC_ bc = { 913 .nslip = {2, 2, 2}, 914 .slips = {{5, 6}, {3, 4}, {1, 2}} 915 }; 916 double start, cpu_time_used; 917 // Test variables 918 PetscBool test; 919 PetscScalar testtol = 0.; 920 char filepath[PETSC_MAX_PATH_LEN]; 921 // Check PETSc CUDA support 922 PetscBool petschavecuda, setmemtyperequest = PETSC_FALSE; 923 // *INDENT-OFF* 924 #ifdef PETSC_HAVE_CUDA 925 petschavecuda = PETSC_TRUE; 926 #else 927 petschavecuda = PETSC_FALSE; 928 #endif 929 // *INDENT-ON* 930 931 // Create the libCEED contexts 932 PetscScalar meter = 1e-2; // 1 meter in scaled length units 933 PetscScalar second = 1e-2; // 1 second in scaled time units 934 PetscScalar kilogram = 1e-6; // 1 kilogram in scaled mass units 935 PetscScalar Kelvin = 1; // 1 Kelvin in scaled temperature units 936 CeedScalar theta0 = 300.; // K 937 CeedScalar thetaC = -15.; // K 938 CeedScalar P0 = 1.e5; // Pa 939 CeedScalar E_wind = 1.e6; // J 940 CeedScalar N = 0.01; // 1/s 941 CeedScalar cv = 717.; // J/(kg K) 942 CeedScalar cp = 1004.; // J/(kg K) 943 CeedScalar vortex_strength = 5.; // - 944 CeedScalar g = 9.81; // m/s^2 945 CeedScalar lambda = -2./3.; // - 946 CeedScalar mu = 75.; // Pa s, dynamic viscosity 947 // mu = 75 is not physical for air, but is good for numerical stability 948 CeedScalar k = 0.02638; // W/(m K) 949 CeedScalar CtauS = 0.; // dimensionless 950 CeedScalar strong_form = 0.; // [0,1] 951 PetscScalar lx = 8000.; // m 952 PetscScalar ly = 8000.; // m 953 PetscScalar lz = 4000.; // m 954 CeedScalar rc = 1000.; // m (Radius of bubble) 955 PetscScalar resx = 1000.; // m (resolution in x) 956 PetscScalar resy = 1000.; // m (resolution in y) 957 PetscScalar resz = 1000.; // m (resolution in z) 958 PetscInt outputfreq = 10; // - 959 PetscInt contsteps = 0; // - 960 PetscInt degree = 1; // - 961 PetscInt qextra = 2; // - 962 PetscInt qextraSur = 2; // - 963 PetscReal center[3], dc_axis[3] = {0, 0, 0}, wind[3] = {1., 0, 0}, 964 etv_mean_velocity[3] = {1., 1., 0}; 965 DMBoundaryType periodicity[] = {DM_BOUNDARY_NONE, DM_BOUNDARY_NONE, 966 DM_BOUNDARY_NONE 967 }; 968 ierr = PetscInitialize(&argc, &argv, NULL, help); 969 if (ierr) return ierr; 970 971 // Allocate PETSc context 972 ierr = PetscCalloc1(1, &user); CHKERRQ(ierr); 973 ierr = PetscMalloc1(1, &units); CHKERRQ(ierr); 974 ierr = PetscMalloc1(1, &ctxEulerData); CHKERRQ(ierr); 975 976 // Parse command line options 977 comm = PETSC_COMM_WORLD; 978 ierr = PetscOptionsBegin(comm, NULL, "Navier-Stokes in PETSc with libCEED", 979 NULL); CHKERRQ(ierr); 980 ierr = PetscOptionsString("-ceed", "CEED resource specifier", 981 NULL, ceedresource, ceedresource, 982 sizeof(ceedresource), NULL); CHKERRQ(ierr); 983 ierr = PetscOptionsBool("-test", "Run in test mode", 984 NULL, test=PETSC_FALSE, &test, NULL); CHKERRQ(ierr); 985 ierr = PetscOptionsScalar("-compare_final_state_atol", 986 "Test absolute tolerance", 987 NULL, testtol, &testtol, NULL); CHKERRQ(ierr); 988 ierr = PetscOptionsString("-compare_final_state_filename", "Test filename", 989 NULL, filepath, filepath, 990 sizeof(filepath), NULL); CHKERRQ(ierr); 991 problemChoice = NS_DENSITY_CURRENT; 992 ierr = PetscOptionsEnum("-problem", "Problem to solve", NULL, 993 problemTypes, (PetscEnum)problemChoice, 994 (PetscEnum *)&problemChoice, NULL); CHKERRQ(ierr); 995 problem = &problemOptions[problemChoice]; 996 ierr = PetscOptionsEnum("-problem_advection_wind", "Wind type in Advection", 997 NULL, WindTypes, 998 (PetscEnum)(wind_type = ADVECTION_WIND_ROTATION), 999 (PetscEnum *)&wind_type, NULL); CHKERRQ(ierr); 1000 PetscInt n = problem->dim; 1001 PetscBool userWind; 1002 ierr = PetscOptionsRealArray("-problem_advection_wind_translation", 1003 "Constant wind vector", 1004 NULL, wind, &n, &userWind); CHKERRQ(ierr); 1005 if (wind_type == ADVECTION_WIND_ROTATION && userWind) { 1006 ierr = PetscPrintf(comm, 1007 "Warning! Use -problem_advection_wind_translation only with -problem_advection_wind translation\n"); 1008 CHKERRQ(ierr); 1009 } 1010 if (wind_type == ADVECTION_WIND_TRANSLATION 1011 && (problemChoice == NS_DENSITY_CURRENT || 1012 problemChoice == NS_EULER_VORTEX)) { 1013 SETERRQ(comm, PETSC_ERR_ARG_INCOMP, 1014 "-problem_advection_wind translation is not defined for -problem density_current or -problem euler_vortex"); 1015 } 1016 ierr = PetscOptionsRealArray("-problem_euler_mean_velocity", 1017 "Mean velocity vector", 1018 NULL, etv_mean_velocity, &n, NULL); 1019 CHKERRQ(ierr); 1020 ierr = PetscOptionsEnum("-stab", "Stabilization method", NULL, 1021 StabilizationTypes, (PetscEnum)(stab = STAB_NONE), 1022 (PetscEnum *)&stab, NULL); CHKERRQ(ierr); 1023 ierr = PetscOptionsBool("-implicit", "Use implicit (IFunction) formulation", 1024 NULL, implicit=PETSC_FALSE, &implicit, NULL); 1025 CHKERRQ(ierr); 1026 if (!implicit && stab != STAB_NONE) { 1027 ierr = PetscPrintf(comm, "Warning! Use -stab only with -implicit\n"); 1028 CHKERRQ(ierr); 1029 } 1030 { 1031 PetscInt len; 1032 PetscBool flg; 1033 ierr = PetscOptionsIntArray("-bc_wall", 1034 "Use wall boundary conditions on this list of faces", 1035 NULL, bc.walls, 1036 (len = sizeof(bc.walls) / sizeof(bc.walls[0]), 1037 &len), &flg); CHKERRQ(ierr); 1038 if (flg) { 1039 bc.nwall = len; 1040 // Using a no-slip wall disables automatic slip walls (they must be set explicitly) 1041 bc.nslip[0] = bc.nslip[1] = bc.nslip[2] = 0; 1042 } 1043 for (PetscInt j=0; j<3; j++) { 1044 const char *flags[3] = {"-bc_slip_x", "-bc_slip_y", "-bc_slip_z"}; 1045 ierr = PetscOptionsIntArray(flags[j], 1046 "Use slip boundary conditions on this list of faces", 1047 NULL, bc.slips[j], 1048 (len = sizeof(bc.slips[j]) / sizeof(bc.slips[j][0]), 1049 &len), &flg); 1050 CHKERRQ(ierr); 1051 if (flg) { 1052 bc.nslip[j] = len; 1053 bc.userbc = PETSC_TRUE; 1054 } 1055 } 1056 } 1057 ierr = PetscOptionsInt("-viz_refine", 1058 "Regular refinement levels for visualization", 1059 NULL, viz_refine, &viz_refine, NULL); 1060 CHKERRQ(ierr); 1061 ierr = PetscOptionsScalar("-units_meter", "1 meter in scaled length units", 1062 NULL, meter, &meter, NULL); CHKERRQ(ierr); 1063 meter = fabs(meter); 1064 ierr = PetscOptionsScalar("-units_second","1 second in scaled time units", 1065 NULL, second, &second, NULL); CHKERRQ(ierr); 1066 second = fabs(second); 1067 ierr = PetscOptionsScalar("-units_kilogram","1 kilogram in scaled mass units", 1068 NULL, kilogram, &kilogram, NULL); CHKERRQ(ierr); 1069 kilogram = fabs(kilogram); 1070 ierr = PetscOptionsScalar("-units_Kelvin", 1071 "1 Kelvin in scaled temperature units", 1072 NULL, Kelvin, &Kelvin, NULL); CHKERRQ(ierr); 1073 Kelvin = fabs(Kelvin); 1074 ierr = PetscOptionsScalar("-theta0", "Reference potential temperature", 1075 NULL, theta0, &theta0, NULL); CHKERRQ(ierr); 1076 ierr = PetscOptionsScalar("-thetaC", "Perturbation of potential temperature", 1077 NULL, thetaC, &thetaC, NULL); CHKERRQ(ierr); 1078 ierr = PetscOptionsScalar("-P0", "Atmospheric pressure", 1079 NULL, P0, &P0, NULL); CHKERRQ(ierr); 1080 ierr = PetscOptionsScalar("-E_wind", "Total energy of inflow wind", 1081 NULL, E_wind, &E_wind, NULL); CHKERRQ(ierr); 1082 ierr = PetscOptionsScalar("-N", "Brunt-Vaisala frequency", 1083 NULL, N, &N, NULL); CHKERRQ(ierr); 1084 ierr = PetscOptionsScalar("-cv", "Heat capacity at constant volume", 1085 NULL, cv, &cv, NULL); CHKERRQ(ierr); 1086 ierr = PetscOptionsScalar("-cp", "Heat capacity at constant pressure", 1087 NULL, cp, &cp, NULL); CHKERRQ(ierr); 1088 PetscBool userVortex; 1089 ierr = PetscOptionsScalar("-vortex_strength", "Strength of Vortex", 1090 NULL, vortex_strength, &vortex_strength, &userVortex); 1091 CHKERRQ(ierr); 1092 if (problemChoice != NS_EULER_VORTEX && userVortex) { 1093 ierr = PetscPrintf(comm, 1094 "Warning! Use -vortex_strength only with -problem euler_vortex\n"); 1095 CHKERRQ(ierr); 1096 } 1097 ierr = PetscOptionsScalar("-g", "Gravitational acceleration", 1098 NULL, g, &g, NULL); CHKERRQ(ierr); 1099 ierr = PetscOptionsScalar("-lambda", 1100 "Stokes hypothesis second viscosity coefficient", 1101 NULL, lambda, &lambda, NULL); CHKERRQ(ierr); 1102 ierr = PetscOptionsScalar("-mu", "Shear dynamic viscosity coefficient", 1103 NULL, mu, &mu, NULL); CHKERRQ(ierr); 1104 ierr = PetscOptionsScalar("-k", "Thermal conductivity", 1105 NULL, k, &k, NULL); CHKERRQ(ierr); 1106 ierr = PetscOptionsScalar("-CtauS", 1107 "Scale coefficient for tau (nondimensional)", 1108 NULL, CtauS, &CtauS, NULL); CHKERRQ(ierr); 1109 if (stab == STAB_NONE && CtauS != 0) { 1110 ierr = PetscPrintf(comm, 1111 "Warning! Use -CtauS only with -stab su or -stab supg\n"); 1112 CHKERRQ(ierr); 1113 } 1114 ierr = PetscOptionsScalar("-strong_form", 1115 "Strong (1) or weak/integrated by parts (0) advection residual", 1116 NULL, strong_form, &strong_form, NULL); 1117 CHKERRQ(ierr); 1118 if (problemChoice == NS_DENSITY_CURRENT && (CtauS != 0 || strong_form != 0)) { 1119 ierr = PetscPrintf(comm, 1120 "Warning! Problem density_current does not support -CtauS or -strong_form\n"); 1121 CHKERRQ(ierr); 1122 } 1123 ierr = PetscOptionsScalar("-lx", "Length scale in x direction", 1124 NULL, lx, &lx, NULL); CHKERRQ(ierr); 1125 ierr = PetscOptionsScalar("-ly", "Length scale in y direction", 1126 NULL, ly, &ly, NULL); CHKERRQ(ierr); 1127 ierr = PetscOptionsScalar("-lz", "Length scale in z direction", 1128 NULL, lz, &lz, NULL); CHKERRQ(ierr); 1129 ierr = PetscOptionsScalar("-rc", "Characteristic radius of thermal bubble", 1130 NULL, rc, &rc, NULL); CHKERRQ(ierr); 1131 ierr = PetscOptionsScalar("-resx","Target resolution in x", 1132 NULL, resx, &resx, NULL); CHKERRQ(ierr); 1133 ierr = PetscOptionsScalar("-resy","Target resolution in y", 1134 NULL, resy, &resy, NULL); CHKERRQ(ierr); 1135 ierr = PetscOptionsScalar("-resz","Target resolution in z", 1136 NULL, resz, &resz, NULL); CHKERRQ(ierr); 1137 n = problem->dim; 1138 center[0] = 0.5 * lx; 1139 center[1] = 0.5 * ly; 1140 center[2] = 0.5 * lz; 1141 ierr = PetscOptionsRealArray("-center", "Location of bubble center", 1142 NULL, center, &n, NULL); CHKERRQ(ierr); 1143 n = problem->dim; 1144 ierr = PetscOptionsRealArray("-dc_axis", 1145 "Axis of density current cylindrical anomaly, or {0,0,0} for spherically symmetric", 1146 NULL, dc_axis, &n, NULL); CHKERRQ(ierr); 1147 { 1148 PetscReal norm = PetscSqrtReal(PetscSqr(dc_axis[0]) + 1149 PetscSqr(dc_axis[1]) + PetscSqr(dc_axis[2])); 1150 if (norm > 0) { 1151 for (int i=0; i<3; i++) dc_axis[i] /= norm; 1152 } 1153 } 1154 ierr = PetscOptionsInt("-output_freq", 1155 "Frequency of output, in number of steps", 1156 NULL, outputfreq, &outputfreq, NULL); CHKERRQ(ierr); 1157 ierr = PetscOptionsInt("-continue", "Continue from previous solution", 1158 NULL, contsteps, &contsteps, NULL); CHKERRQ(ierr); 1159 ierr = PetscOptionsInt("-degree", "Polynomial degree of finite elements", 1160 NULL, degree, °ree, NULL); CHKERRQ(ierr); 1161 ierr = PetscOptionsInt("-qextra", "Number of extra quadrature points", 1162 NULL, qextra, &qextra, NULL); CHKERRQ(ierr); 1163 PetscBool userQextraSur; 1164 ierr = PetscOptionsInt("-qextra_boundary", 1165 "Number of extra quadrature points on in/outflow faces", 1166 NULL, qextraSur, &qextraSur, &userQextraSur); 1167 CHKERRQ(ierr); 1168 if ((wind_type == ADVECTION_WIND_ROTATION 1169 || problemChoice == NS_DENSITY_CURRENT) && userQextraSur) { 1170 ierr = PetscPrintf(comm, 1171 "Warning! Use -qextra_boundary only with -problem_advection_wind translation\n"); 1172 CHKERRQ(ierr); 1173 } 1174 ierr = PetscStrncpy(user->outputdir, ".", 2); CHKERRQ(ierr); 1175 ierr = PetscOptionsString("-output_dir", "Output directory", 1176 NULL, user->outputdir, user->outputdir, 1177 sizeof(user->outputdir), NULL); CHKERRQ(ierr); 1178 memtyperequested = petschavecuda ? CEED_MEM_DEVICE : CEED_MEM_HOST; 1179 ierr = PetscOptionsEnum("-memtype", 1180 "CEED MemType requested", NULL, 1181 memTypes, (PetscEnum)memtyperequested, 1182 (PetscEnum *)&memtyperequested, &setmemtyperequest); 1183 CHKERRQ(ierr); 1184 ierr = PetscOptionsEnd(); CHKERRQ(ierr); 1185 1186 // Define derived units 1187 Pascal = kilogram / (meter * PetscSqr(second)); 1188 JperkgK = PetscSqr(meter) / (PetscSqr(second) * Kelvin); 1189 mpersquareds = meter / PetscSqr(second); 1190 WpermK = kilogram * meter / (pow(second,3) * Kelvin); 1191 kgpercubicm = kilogram / pow(meter,3); 1192 kgpersquaredms = kilogram / (PetscSqr(meter) * second); 1193 Joulepercubicm = kilogram / (meter * PetscSqr(second)); 1194 Joule = kilogram * PetscSqr(meter) / PetscSqr(second); 1195 1196 // Scale variables to desired units 1197 theta0 *= Kelvin; 1198 thetaC *= Kelvin; 1199 P0 *= Pascal; 1200 E_wind *= Joule; 1201 N *= (1./second); 1202 cv *= JperkgK; 1203 cp *= JperkgK; 1204 Rd = cp - cv; 1205 g *= mpersquareds; 1206 mu *= Pascal * second; 1207 k *= WpermK; 1208 lx = fabs(lx) * meter; 1209 ly = fabs(ly) * meter; 1210 lz = fabs(lz) * meter; 1211 rc = fabs(rc) * meter; 1212 resx = fabs(resx) * meter; 1213 resy = fabs(resy) * meter; 1214 resz = fabs(resz) * meter; 1215 for (int i=0; i<3; i++) center[i] *= meter; 1216 1217 const CeedInt dim = problem->dim, ncompx = problem->dim, 1218 qdatasizeVol = problem->qdatasizeVol; 1219 // Set up the libCEED context 1220 struct SetupContext_ ctxSetupData = { 1221 .theta0 = theta0, 1222 .thetaC = thetaC, 1223 .P0 = P0, 1224 .N = N, 1225 .cv = cv, 1226 .cp = cp, 1227 .Rd = Rd, 1228 .g = g, 1229 .rc = rc, 1230 .lx = lx, 1231 .ly = ly, 1232 .lz = lz, 1233 .center[0] = center[0], 1234 .center[1] = center[1], 1235 .center[2] = center[2], 1236 .dc_axis[0] = dc_axis[0], 1237 .dc_axis[1] = dc_axis[1], 1238 .dc_axis[2] = dc_axis[2], 1239 .wind[0] = wind[0], 1240 .wind[1] = wind[1], 1241 .wind[2] = wind[2], 1242 .time = 0, 1243 .vortex_strength = vortex_strength, 1244 .wind_type = wind_type, 1245 }; 1246 1247 // Periodicity for EULER_VORTEX test case 1248 if (problemChoice == NS_EULER_VORTEX) { 1249 periodicity[0] = PETSC_TRUE; 1250 periodicity[1] = PETSC_TRUE; 1251 periodicity[2] = PETSC_FALSE; 1252 } 1253 1254 // Create the mesh 1255 { 1256 const PetscReal scale[3] = {lx, ly, lz}; 1257 ierr = DMPlexCreateBoxMesh(comm, dim, PETSC_FALSE, NULL, NULL, scale, 1258 periodicity, PETSC_TRUE, &dm); 1259 CHKERRQ(ierr); 1260 } 1261 1262 // Distribute the mesh over processes 1263 { 1264 DM dmDist = NULL; 1265 PetscPartitioner part; 1266 1267 ierr = DMPlexGetPartitioner(dm, &part); CHKERRQ(ierr); 1268 ierr = PetscPartitionerSetFromOptions(part); CHKERRQ(ierr); 1269 ierr = DMPlexDistribute(dm, 0, NULL, &dmDist); CHKERRQ(ierr); 1270 if (dmDist) { 1271 ierr = DMDestroy(&dm); CHKERRQ(ierr); 1272 dm = dmDist; 1273 } 1274 } 1275 ierr = DMViewFromOptions(dm, NULL, "-dm_view"); CHKERRQ(ierr); 1276 1277 // Setup DM 1278 ierr = DMLocalizeCoordinates(dm); CHKERRQ(ierr); 1279 ierr = DMSetFromOptions(dm); CHKERRQ(ierr); 1280 ierr = SetUpDM(dm, problem, degree, &bc, &ctxSetupData, ctxEulerData); 1281 CHKERRQ(ierr); 1282 1283 // Refine DM for high-order viz 1284 dmviz = NULL; 1285 interpviz = NULL; 1286 if (viz_refine) { 1287 DM dmhierarchy[viz_refine+1]; 1288 1289 ierr = DMPlexSetRefinementUniform(dm, PETSC_TRUE); CHKERRQ(ierr); 1290 dmhierarchy[0] = dm; 1291 for (PetscInt i = 0, d = degree; i < viz_refine; i++) { 1292 Mat interp_next; 1293 1294 ierr = DMRefine(dmhierarchy[i], MPI_COMM_NULL, &dmhierarchy[i+1]); 1295 CHKERRQ(ierr); 1296 ierr = DMClearDS(dmhierarchy[i+1]); CHKERRQ(ierr); 1297 ierr = DMClearFields(dmhierarchy[i+1]); CHKERRQ(ierr); 1298 ierr = DMSetCoarseDM(dmhierarchy[i+1], dmhierarchy[i]); CHKERRQ(ierr); 1299 d = (d + 1) / 2; 1300 if (i + 1 == viz_refine) d = 1; 1301 ierr = SetUpDM(dmhierarchy[i+1], problem, d, &bc, &ctxSetupData, 1302 ctxEulerData); CHKERRQ(ierr); 1303 ierr = DMCreateInterpolation(dmhierarchy[i], dmhierarchy[i+1], 1304 &interp_next, NULL); CHKERRQ(ierr); 1305 if (!i) interpviz = interp_next; 1306 else { 1307 Mat C; 1308 ierr = MatMatMult(interp_next, interpviz, MAT_INITIAL_MATRIX, 1309 PETSC_DECIDE, &C); CHKERRQ(ierr); 1310 ierr = MatDestroy(&interp_next); CHKERRQ(ierr); 1311 ierr = MatDestroy(&interpviz); CHKERRQ(ierr); 1312 interpviz = C; 1313 } 1314 } 1315 for (PetscInt i=1; i<viz_refine; i++) { 1316 ierr = DMDestroy(&dmhierarchy[i]); CHKERRQ(ierr); 1317 } 1318 dmviz = dmhierarchy[viz_refine]; 1319 } 1320 ierr = DMCreateGlobalVector(dm, &Q); CHKERRQ(ierr); 1321 ierr = DMGetLocalVector(dm, &Qloc); CHKERRQ(ierr); 1322 ierr = VecGetSize(Qloc, &lnodes); CHKERRQ(ierr); 1323 lnodes /= ncompq; 1324 1325 // Initialize CEED 1326 CeedInit(ceedresource, &ceed); 1327 // Set memtype 1328 CeedMemType memtypebackend; 1329 CeedGetPreferredMemType(ceed, &memtypebackend); 1330 // Check memtype compatibility 1331 if (!setmemtyperequest) 1332 memtyperequested = memtypebackend; 1333 else if (!petschavecuda && memtyperequested == CEED_MEM_DEVICE) 1334 SETERRQ1(PETSC_COMM_WORLD, PETSC_ERR_SUP_SYS, 1335 "PETSc was not built with CUDA. " 1336 "Requested MemType CEED_MEM_DEVICE is not supported.", NULL); 1337 1338 // Set number of 1D nodes and quadrature points 1339 numP = degree + 1; 1340 numQ = numP + qextra; 1341 1342 // Print summary 1343 if (!test) { 1344 CeedInt gdofs, odofs; 1345 int comm_size; 1346 char box_faces_str[PETSC_MAX_PATH_LEN] = "NONE"; 1347 ierr = VecGetSize(Q, &gdofs); CHKERRQ(ierr); 1348 ierr = VecGetLocalSize(Q, &odofs); CHKERRQ(ierr); 1349 gnodes = gdofs/ncompq; 1350 ierr = MPI_Comm_size(comm, &comm_size); CHKERRQ(ierr); 1351 ierr = PetscOptionsGetString(NULL, NULL, "-dm_plex_box_faces", box_faces_str, 1352 sizeof(box_faces_str), NULL); CHKERRQ(ierr); 1353 const char *usedresource; 1354 CeedGetResource(ceed, &usedresource); 1355 1356 ierr = PetscPrintf(comm, 1357 "\n-- Navier-Stokes solver - libCEED + PETSc --\n" 1358 " rank(s) : %d\n" 1359 " Problem:\n" 1360 " Problem Name : %s\n" 1361 " Stabilization : %s\n" 1362 " PETSc:\n" 1363 " Box Faces : %s\n" 1364 " libCEED:\n" 1365 " libCEED Backend : %s\n" 1366 " libCEED Backend MemType : %s\n" 1367 " libCEED User Requested MemType : %s\n" 1368 " Mesh:\n" 1369 " Number of 1D Basis Nodes (P) : %d\n" 1370 " Number of 1D Quadrature Points (Q) : %d\n" 1371 " Global DoFs : %D\n" 1372 " Owned DoFs : %D\n" 1373 " DoFs per node : %D\n" 1374 " Global nodes : %D\n" 1375 " Owned nodes : %D\n", 1376 comm_size, problemTypes[problemChoice], 1377 StabilizationTypes[stab], box_faces_str, usedresource, 1378 CeedMemTypes[memtypebackend], 1379 (setmemtyperequest) ? 1380 CeedMemTypes[memtyperequested] : "none", 1381 numP, numQ, gdofs, odofs, ncompq, gnodes, lnodes); 1382 CHKERRQ(ierr); 1383 } 1384 1385 // Set up global mass vector 1386 ierr = VecDuplicate(Q, &user->M); CHKERRQ(ierr); 1387 1388 // Set up libCEED 1389 // CEED Bases 1390 CeedInit(ceedresource, &ceed); 1391 CeedBasisCreateTensorH1Lagrange(ceed, dim, ncompq, numP, numQ, CEED_GAUSS, 1392 &basisq); 1393 CeedBasisCreateTensorH1Lagrange(ceed, dim, ncompx, 2, numQ, CEED_GAUSS, 1394 &basisx); 1395 CeedBasisCreateTensorH1Lagrange(ceed, dim, ncompx, 2, numP, 1396 CEED_GAUSS_LOBATTO, &basisxc); 1397 ierr = DMGetCoordinateDM(dm, &dmcoord); CHKERRQ(ierr); 1398 ierr = DMPlexSetClosurePermutationTensor(dmcoord, PETSC_DETERMINE, NULL); 1399 CHKERRQ(ierr); 1400 1401 // CEED Restrictions 1402 ierr = GetRestrictionForDomain(ceed, dm, 0, 0, 0, numP, numQ, 1403 qdatasizeVol, &restrictq, &restrictx, 1404 &restrictqdi); CHKERRQ(ierr); 1405 1406 ierr = DMGetCoordinatesLocal(dm, &Xloc); CHKERRQ(ierr); 1407 ierr = CreateVectorFromPetscVec(ceed, Xloc, &xcorners); CHKERRQ(ierr); 1408 1409 // Create the CEED vectors that will be needed in setup 1410 CeedInt NqptsVol; 1411 CeedBasisGetNumQuadraturePoints(basisq, &NqptsVol); 1412 CeedElemRestrictionGetNumElements(restrictq, &localNelemVol); 1413 CeedVectorCreate(ceed, qdatasizeVol*localNelemVol*NqptsVol, &qdata); 1414 CeedElemRestrictionCreateVector(restrictq, &q0ceed, NULL); 1415 1416 // Create the Q-function that builds the quadrature data for the NS operator 1417 CeedQFunctionCreateInterior(ceed, 1, problem->setupVol, problem->setupVol_loc, 1418 &qf_setupVol); 1419 CeedQFunctionAddInput(qf_setupVol, "dx", ncompx*dim, CEED_EVAL_GRAD); 1420 CeedQFunctionAddInput(qf_setupVol, "weight", 1, CEED_EVAL_WEIGHT); 1421 CeedQFunctionAddOutput(qf_setupVol, "qdata", qdatasizeVol, CEED_EVAL_NONE); 1422 1423 // Create the Q-function that sets the ICs of the operator 1424 CeedQFunctionCreateInterior(ceed, 1, problem->ics, problem->ics_loc, &qf_ics); 1425 CeedQFunctionAddInput(qf_ics, "x", ncompx, CEED_EVAL_INTERP); 1426 CeedQFunctionAddOutput(qf_ics, "q0", ncompq, CEED_EVAL_NONE); 1427 1428 qf_rhsVol = NULL; 1429 if (problem->applyVol_rhs) { // Create the Q-function that defines the action of the RHS operator 1430 CeedQFunctionCreateInterior(ceed, 1, problem->applyVol_rhs, 1431 problem->applyVol_rhs_loc, &qf_rhsVol); 1432 CeedQFunctionAddInput(qf_rhsVol, "q", ncompq, CEED_EVAL_INTERP); 1433 CeedQFunctionAddInput(qf_rhsVol, "dq", ncompq*dim, CEED_EVAL_GRAD); 1434 CeedQFunctionAddInput(qf_rhsVol, "qdata", qdatasizeVol, CEED_EVAL_NONE); 1435 CeedQFunctionAddInput(qf_rhsVol, "x", ncompx, CEED_EVAL_INTERP); 1436 CeedQFunctionAddOutput(qf_rhsVol, "v", ncompq, CEED_EVAL_INTERP); 1437 CeedQFunctionAddOutput(qf_rhsVol, "dv", ncompq*dim, CEED_EVAL_GRAD); 1438 } 1439 1440 qf_ifunctionVol = NULL; 1441 if (problem->applyVol_ifunction) { // Create the Q-function that defines the action of the IFunction 1442 CeedQFunctionCreateInterior(ceed, 1, problem->applyVol_ifunction, 1443 problem->applyVol_ifunction_loc, &qf_ifunctionVol); 1444 CeedQFunctionAddInput(qf_ifunctionVol, "q", ncompq, CEED_EVAL_INTERP); 1445 CeedQFunctionAddInput(qf_ifunctionVol, "dq", ncompq*dim, CEED_EVAL_GRAD); 1446 CeedQFunctionAddInput(qf_ifunctionVol, "qdot", ncompq, CEED_EVAL_INTERP); 1447 CeedQFunctionAddInput(qf_ifunctionVol, "qdata", qdatasizeVol, CEED_EVAL_NONE); 1448 CeedQFunctionAddInput(qf_ifunctionVol, "x", ncompx, CEED_EVAL_INTERP); 1449 CeedQFunctionAddOutput(qf_ifunctionVol, "v", ncompq, CEED_EVAL_INTERP); 1450 CeedQFunctionAddOutput(qf_ifunctionVol, "dv", ncompq*dim, CEED_EVAL_GRAD); 1451 } 1452 1453 // Create the operator that builds the quadrature data for the NS operator 1454 CeedOperatorCreate(ceed, qf_setupVol, NULL, NULL, &op_setupVol); 1455 CeedOperatorSetField(op_setupVol, "dx", restrictx, basisx, CEED_VECTOR_ACTIVE); 1456 CeedOperatorSetField(op_setupVol, "weight", CEED_ELEMRESTRICTION_NONE, 1457 basisx, CEED_VECTOR_NONE); 1458 CeedOperatorSetField(op_setupVol, "qdata", restrictqdi, 1459 CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 1460 1461 // Create the operator that sets the ICs 1462 CeedOperatorCreate(ceed, qf_ics, NULL, NULL, &op_ics); 1463 CeedOperatorSetField(op_ics, "x", restrictx, basisxc, CEED_VECTOR_ACTIVE); 1464 CeedOperatorSetField(op_ics, "q0", restrictq, 1465 CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 1466 1467 CeedElemRestrictionCreateVector(restrictq, &user->qceed, NULL); 1468 CeedElemRestrictionCreateVector(restrictq, &user->qdotceed, NULL); 1469 CeedElemRestrictionCreateVector(restrictq, &user->gceed, NULL); 1470 1471 if (qf_rhsVol) { // Create the RHS physics operator 1472 CeedOperator op; 1473 CeedOperatorCreate(ceed, qf_rhsVol, NULL, NULL, &op); 1474 CeedOperatorSetField(op, "q", restrictq, basisq, CEED_VECTOR_ACTIVE); 1475 CeedOperatorSetField(op, "dq", restrictq, basisq, CEED_VECTOR_ACTIVE); 1476 CeedOperatorSetField(op, "qdata", restrictqdi, 1477 CEED_BASIS_COLLOCATED, qdata); 1478 CeedOperatorSetField(op, "x", restrictx, basisx, xcorners); 1479 CeedOperatorSetField(op, "v", restrictq, basisq, CEED_VECTOR_ACTIVE); 1480 CeedOperatorSetField(op, "dv", restrictq, basisq, CEED_VECTOR_ACTIVE); 1481 user->op_rhs_vol = op; 1482 } 1483 1484 if (qf_ifunctionVol) { // Create the IFunction operator 1485 CeedOperator op; 1486 CeedOperatorCreate(ceed, qf_ifunctionVol, NULL, NULL, &op); 1487 CeedOperatorSetField(op, "q", restrictq, basisq, CEED_VECTOR_ACTIVE); 1488 CeedOperatorSetField(op, "dq", restrictq, basisq, CEED_VECTOR_ACTIVE); 1489 CeedOperatorSetField(op, "qdot", restrictq, basisq, user->qdotceed); 1490 CeedOperatorSetField(op, "qdata", restrictqdi, 1491 CEED_BASIS_COLLOCATED, qdata); 1492 CeedOperatorSetField(op, "x", restrictx, basisx, xcorners); 1493 CeedOperatorSetField(op, "v", restrictq, basisq, CEED_VECTOR_ACTIVE); 1494 CeedOperatorSetField(op, "dv", restrictq, basisq, CEED_VECTOR_ACTIVE); 1495 user->op_ifunction_vol = op; 1496 } 1497 1498 // Set up CEED for the boundaries 1499 CeedInt height = 1; 1500 CeedInt dimSur = dim - height; 1501 CeedInt numP_Sur = degree + 1; 1502 CeedInt numQ_Sur = numP_Sur + qextraSur; 1503 const CeedInt qdatasizeSur = problem->qdatasizeSur; 1504 CeedBasis basisxSur, basisxcSur, basisqSur; 1505 CeedInt NqptsSur; 1506 CeedQFunction qf_setupSur, qf_applySur; 1507 1508 // CEED bases for the boundaries 1509 CeedBasisCreateTensorH1Lagrange(ceed, dimSur, ncompq, numP_Sur, numQ_Sur, 1510 CEED_GAUSS, 1511 &basisqSur); 1512 CeedBasisCreateTensorH1Lagrange(ceed, dimSur, ncompx, 2, numQ_Sur, CEED_GAUSS, 1513 &basisxSur); 1514 CeedBasisCreateTensorH1Lagrange(ceed, dimSur, ncompx, 2, numP_Sur, 1515 CEED_GAUSS_LOBATTO, &basisxcSur); 1516 CeedBasisGetNumQuadraturePoints(basisqSur, &NqptsSur); 1517 1518 // Create the Q-function that builds the quadrature data for the Surface operator 1519 CeedQFunctionCreateInterior(ceed, 1, problem->setupSur, problem->setupSur_loc, 1520 &qf_setupSur); 1521 CeedQFunctionAddInput(qf_setupSur, "dx", ncompx*dimSur, CEED_EVAL_GRAD); 1522 CeedQFunctionAddInput(qf_setupSur, "weight", 1, CEED_EVAL_WEIGHT); 1523 CeedQFunctionAddOutput(qf_setupSur, "qdataSur", qdatasizeSur, CEED_EVAL_NONE); 1524 1525 // Creat Q-Function for Boundaries 1526 // -- Defined for Advection(2d) test cases 1527 qf_applySur = NULL; 1528 if (problem->applySur) { 1529 CeedQFunctionCreateInterior(ceed, 1, problem->applySur, 1530 problem->applySur_loc, &qf_applySur); 1531 CeedQFunctionAddInput(qf_applySur, "q", ncompq, CEED_EVAL_INTERP); 1532 CeedQFunctionAddInput(qf_applySur, "qdataSur", qdatasizeSur, CEED_EVAL_NONE); 1533 CeedQFunctionAddInput(qf_applySur, "x", ncompx, CEED_EVAL_INTERP); 1534 CeedQFunctionAddOutput(qf_applySur, "v", ncompq, CEED_EVAL_INTERP); 1535 } 1536 1537 // Create CEED Operator for the whole domain 1538 if (!implicit) 1539 ierr = CreateOperatorForDomain(ceed, dm, &bc, problemChoice, wind_type, 1540 user->op_rhs_vol, qf_applySur, 1541 qf_setupSur, height, numP_Sur, numQ_Sur, 1542 qdatasizeSur, NqptsSur, basisxSur, 1543 basisqSur, &user->op_rhs); 1544 CHKERRQ(ierr); 1545 if (implicit) 1546 ierr = CreateOperatorForDomain(ceed, dm, &bc, problemChoice, wind_type, 1547 user->op_ifunction_vol, qf_applySur, 1548 qf_setupSur, height, numP_Sur, numQ_Sur, 1549 qdatasizeSur, NqptsSur, basisxSur, 1550 basisqSur, &user->op_ifunction); 1551 CHKERRQ(ierr); 1552 // Set up contex for QFunctions 1553 CeedQFunctionContextCreate(ceed, &ctxSetup); 1554 CeedQFunctionContextSetData(ctxSetup, CEED_MEM_HOST, CEED_USE_POINTER, 1555 sizeof ctxSetupData, &ctxSetupData); 1556 if (qf_ics && problemChoice != NS_EULER_VORTEX) 1557 CeedQFunctionSetContext(qf_ics, ctxSetup); 1558 1559 CeedScalar ctxNSData[8] = {lambda, mu, k, cv, cp, g, Rd}; 1560 CeedQFunctionContextCreate(ceed, &ctxNS); 1561 CeedQFunctionContextSetData(ctxNS, CEED_MEM_HOST, CEED_USE_POINTER, 1562 sizeof ctxNSData, &ctxNSData); 1563 1564 struct Advection2dContext_ ctxAdvection2dData = { 1565 .CtauS = CtauS, 1566 .strong_form = strong_form, 1567 .stabilization = stab, 1568 }; 1569 CeedQFunctionContextCreate(ceed, &ctxAdvection2d); 1570 CeedQFunctionContextSetData(ctxAdvection2d, CEED_MEM_HOST, CEED_USE_POINTER, 1571 sizeof ctxAdvection2dData, &ctxAdvection2dData); 1572 1573 struct SurfaceContext_ ctxSurfaceData = { 1574 .E_wind = E_wind, 1575 .strong_form = strong_form, 1576 .implicit = implicit, 1577 }; 1578 CeedQFunctionContextCreate(ceed, &ctxSurface); 1579 CeedQFunctionContextSetData(ctxSurface, CEED_MEM_HOST, CEED_USE_POINTER, 1580 sizeof ctxSurfaceData, &ctxSurfaceData); 1581 1582 // Set up ctxEulerData structure 1583 ctxEulerData->time = 0.; 1584 ctxEulerData->currentTime = 0.; 1585 ctxEulerData->center[0] = center[0]; 1586 ctxEulerData->center[1] = center[1]; 1587 ctxEulerData->center[2] = center[2]; 1588 ctxEulerData->vortex_strength = vortex_strength; 1589 ctxEulerData->etv_mean_velocity[0] = etv_mean_velocity[0]; 1590 ctxEulerData->etv_mean_velocity[1] = etv_mean_velocity[1]; 1591 ctxEulerData->etv_mean_velocity[2] = etv_mean_velocity[2]; 1592 user->ctxEulerData = ctxEulerData; 1593 1594 CeedQFunctionContextCreate(ceed, &ctxEuler); 1595 CeedQFunctionContextSetData(ctxEuler, CEED_MEM_HOST, CEED_USE_POINTER, 1596 sizeof *ctxEulerData, ctxEulerData); 1597 1598 switch (problemChoice) { 1599 case NS_DENSITY_CURRENT: 1600 if (qf_rhsVol) CeedQFunctionSetContext(qf_rhsVol, ctxNS); 1601 if (qf_ifunctionVol) CeedQFunctionSetContext(qf_ifunctionVol, ctxNS); 1602 break; 1603 case NS_ADVECTION: 1604 case NS_ADVECTION2D: 1605 if (qf_rhsVol) CeedQFunctionSetContext(qf_rhsVol, ctxAdvection2d); 1606 if (qf_ifunctionVol) CeedQFunctionSetContext(qf_ifunctionVol, ctxAdvection2d); 1607 if (qf_applySur) CeedQFunctionSetContext(qf_applySur, ctxSurface); 1608 case NS_EULER_VORTEX: 1609 if (qf_ics) CeedQFunctionSetContext(qf_ics, ctxEuler); 1610 if (qf_rhsVol) CeedQFunctionSetContext(qf_rhsVol, ctxEuler); 1611 if (qf_applySur) CeedQFunctionSetContext(qf_applySur, ctxEuler); 1612 } 1613 1614 // Set up PETSc context 1615 // Set up units structure 1616 units->meter = meter; 1617 units->kilogram = kilogram; 1618 units->second = second; 1619 units->Kelvin = Kelvin; 1620 units->Pascal = Pascal; 1621 units->JperkgK = JperkgK; 1622 units->mpersquareds = mpersquareds; 1623 units->WpermK = WpermK; 1624 units->kgpercubicm = kgpercubicm; 1625 units->kgpersquaredms = kgpersquaredms; 1626 units->Joulepercubicm = Joulepercubicm; 1627 units->Joule = Joule; 1628 1629 // Set up user structure 1630 user->comm = comm; 1631 user->outputfreq = outputfreq; 1632 user->contsteps = contsteps; 1633 user->units = units; 1634 user->dm = dm; 1635 user->dmviz = dmviz; 1636 user->interpviz = interpviz; 1637 user->ceed = ceed; 1638 1639 // Calculate qdata and ICs 1640 // Set up state global and local vectors 1641 ierr = VecZeroEntries(Q); CHKERRQ(ierr); 1642 1643 ierr = VectorPlacePetscVec(q0ceed, Qloc); CHKERRQ(ierr); 1644 1645 // Apply Setup Ceed Operators 1646 ierr = VectorPlacePetscVec(xcorners, Xloc); CHKERRQ(ierr); 1647 CeedOperatorApply(op_setupVol, xcorners, qdata, CEED_REQUEST_IMMEDIATE); 1648 ierr = ComputeLumpedMassMatrix(ceed, dm, restrictq, basisq, restrictqdi, qdata, 1649 user->M); CHKERRQ(ierr); 1650 1651 ierr = ICs_FixMultiplicity(op_ics, xcorners, q0ceed, dm, Qloc, Q, restrictq, 1652 ctxSetup, 0.0); CHKERRQ(ierr); 1653 if (1) { // Record boundary values from initial condition and override DMPlexInsertBoundaryValues() 1654 // We use this for the main simulation DM because the reference DMPlexInsertBoundaryValues() is very slow. If we 1655 // disable this, we should still get the same results due to the problem->bc function, but with potentially much 1656 // slower execution. 1657 Vec Qbc; 1658 ierr = DMGetNamedLocalVector(dm, "Qbc", &Qbc); CHKERRQ(ierr); 1659 ierr = VecCopy(Qloc, Qbc); CHKERRQ(ierr); 1660 ierr = VecZeroEntries(Qloc); CHKERRQ(ierr); 1661 ierr = DMGlobalToLocal(dm, Q, INSERT_VALUES, Qloc); CHKERRQ(ierr); 1662 ierr = VecAXPY(Qbc, -1., Qloc); CHKERRQ(ierr); 1663 ierr = DMRestoreNamedLocalVector(dm, "Qbc", &Qbc); CHKERRQ(ierr); 1664 ierr = PetscObjectComposeFunction((PetscObject)dm, 1665 "DMPlexInsertBoundaryValues_C", DMPlexInsertBoundaryValues_NS); 1666 CHKERRQ(ierr); 1667 } 1668 1669 MPI_Comm_rank(comm, &rank); 1670 if (!rank) {ierr = PetscMkdir(user->outputdir); CHKERRQ(ierr);} 1671 // Gather initial Q values 1672 // In case of continuation of simulation, set up initial values from binary file 1673 if (contsteps) { // continue from existent solution 1674 PetscViewer viewer; 1675 char filepath[PETSC_MAX_PATH_LEN]; 1676 // Read input 1677 ierr = PetscSNPrintf(filepath, sizeof filepath, "%s/ns-solution.bin", 1678 user->outputdir); 1679 CHKERRQ(ierr); 1680 ierr = PetscViewerBinaryOpen(comm, filepath, FILE_MODE_READ, &viewer); 1681 CHKERRQ(ierr); 1682 ierr = VecLoad(Q, viewer); CHKERRQ(ierr); 1683 ierr = PetscViewerDestroy(&viewer); CHKERRQ(ierr); 1684 } 1685 ierr = DMRestoreLocalVector(dm, &Qloc); CHKERRQ(ierr); 1686 1687 // Create and setup TS 1688 ierr = TSCreate(comm, &ts); CHKERRQ(ierr); 1689 ierr = TSSetDM(ts, dm); CHKERRQ(ierr); 1690 if (implicit) { 1691 ierr = TSSetType(ts, TSBDF); CHKERRQ(ierr); 1692 if (user->op_ifunction) { 1693 ierr = TSSetIFunction(ts, NULL, IFunction_NS, &user); CHKERRQ(ierr); 1694 } else { // Implicit integrators can fall back to using an RHSFunction 1695 ierr = TSSetRHSFunction(ts, NULL, RHS_NS, &user); CHKERRQ(ierr); 1696 } 1697 } else { 1698 if (!user->op_rhs) SETERRQ(comm, PETSC_ERR_ARG_NULL, 1699 "Problem does not provide RHSFunction"); 1700 ierr = TSSetType(ts, TSRK); CHKERRQ(ierr); 1701 ierr = TSRKSetType(ts, TSRK5F); CHKERRQ(ierr); 1702 ierr = TSSetRHSFunction(ts, NULL, RHS_NS, &user); CHKERRQ(ierr); 1703 } 1704 ierr = TSSetMaxTime(ts, 500. * units->second); CHKERRQ(ierr); 1705 ierr = TSSetExactFinalTime(ts, TS_EXACTFINALTIME_STEPOVER); CHKERRQ(ierr); 1706 ierr = TSSetTimeStep(ts, 1.e-2 * units->second); CHKERRQ(ierr); 1707 if (test) {ierr = TSSetMaxSteps(ts, 10); CHKERRQ(ierr);} 1708 ierr = TSGetAdapt(ts, &adapt); CHKERRQ(ierr); 1709 ierr = TSAdaptSetStepLimits(adapt, 1710 1.e-12 * units->second, 1711 1.e2 * units->second); CHKERRQ(ierr); 1712 ierr = TSSetFromOptions(ts); CHKERRQ(ierr); 1713 if (!contsteps) { // print initial condition 1714 if (!test) { 1715 ierr = TSMonitor_NS(ts, 0, 0., Q, user); CHKERRQ(ierr); 1716 } 1717 } else { // continue from time of last output 1718 PetscReal time; 1719 PetscInt count; 1720 PetscViewer viewer; 1721 char filepath[PETSC_MAX_PATH_LEN]; 1722 ierr = PetscSNPrintf(filepath, sizeof filepath, "%s/ns-time.bin", 1723 user->outputdir); CHKERRQ(ierr); 1724 ierr = PetscViewerBinaryOpen(comm, filepath, FILE_MODE_READ, &viewer); 1725 CHKERRQ(ierr); 1726 ierr = PetscViewerBinaryRead(viewer, &time, 1, &count, PETSC_REAL); 1727 CHKERRQ(ierr); 1728 ierr = PetscViewerDestroy(&viewer); CHKERRQ(ierr); 1729 ierr = TSSetTime(ts, time * user->units->second); CHKERRQ(ierr); 1730 } 1731 if (!test) { 1732 ierr = TSMonitorSet(ts, TSMonitor_NS, user, NULL); CHKERRQ(ierr); 1733 } 1734 1735 // Solve 1736 start = MPI_Wtime(); 1737 ierr = PetscBarrier((PetscObject)ts); CHKERRQ(ierr); 1738 ierr = TSSolve(ts, Q); CHKERRQ(ierr); 1739 cpu_time_used = MPI_Wtime() - start; 1740 ierr = TSGetSolveTime(ts, &ftime); CHKERRQ(ierr); 1741 ierr = MPI_Allreduce(MPI_IN_PLACE, &cpu_time_used, 1, MPI_DOUBLE, MPI_MIN, 1742 comm); CHKERRQ(ierr); 1743 if (!test) { 1744 ierr = PetscPrintf(PETSC_COMM_WORLD, 1745 "Time taken for solution (sec): %g\n", 1746 (double)cpu_time_used); CHKERRQ(ierr); 1747 } 1748 1749 // Get error 1750 if (problem->non_zero_time && !test) { 1751 Vec Qexact, Qexactloc; 1752 PetscReal norm; 1753 ierr = DMCreateGlobalVector(dm, &Qexact); CHKERRQ(ierr); 1754 ierr = DMGetLocalVector(dm, &Qexactloc); CHKERRQ(ierr); 1755 ierr = VecGetSize(Qexactloc, &lnodes); CHKERRQ(ierr); 1756 1757 ierr = ICs_FixMultiplicity(op_ics, xcorners, q0ceed, dm, Qexactloc, Qexact, 1758 restrictq, ctxSetup, ftime); CHKERRQ(ierr); 1759 1760 ierr = VecAXPY(Q, -1.0, Qexact); CHKERRQ(ierr); 1761 ierr = VecNorm(Q, NORM_MAX, &norm); CHKERRQ(ierr); 1762 CeedVectorDestroy(&q0ceed); 1763 ierr = PetscPrintf(PETSC_COMM_WORLD, 1764 "Max Error: %g\n", 1765 (double)norm); CHKERRQ(ierr); 1766 // Clean up vectors 1767 ierr = DMRestoreLocalVector(dm, &Qexactloc); CHKERRQ(ierr); 1768 ierr = VecDestroy(&Qexact); CHKERRQ(ierr); 1769 } 1770 1771 // Output Statistics 1772 ierr = TSGetStepNumber(ts, &steps); CHKERRQ(ierr); 1773 if (!test) { 1774 ierr = PetscPrintf(PETSC_COMM_WORLD, 1775 "Time integrator took %D time steps to reach final time %g\n", 1776 steps, (double)ftime); CHKERRQ(ierr); 1777 } 1778 // Output numerical values from command line 1779 ierr = VecViewFromOptions(Q, NULL, "-vec_view"); CHKERRQ(ierr); 1780 1781 // Compare reference solution values with current test run for CI 1782 if (test) { 1783 PetscViewer viewer; 1784 // Read reference file 1785 Vec Qref; 1786 PetscReal error, Qrefnorm; 1787 ierr = VecDuplicate(Q, &Qref); CHKERRQ(ierr); 1788 ierr = PetscViewerBinaryOpen(comm, filepath, FILE_MODE_READ, &viewer); 1789 CHKERRQ(ierr); 1790 ierr = VecLoad(Qref, viewer); CHKERRQ(ierr); 1791 ierr = PetscViewerDestroy(&viewer); CHKERRQ(ierr); 1792 1793 // Compute error with respect to reference solution 1794 ierr = VecAXPY(Q, -1.0, Qref); CHKERRQ(ierr); 1795 ierr = VecNorm(Qref, NORM_MAX, &Qrefnorm); CHKERRQ(ierr); 1796 ierr = VecScale(Q, 1./Qrefnorm); CHKERRQ(ierr); 1797 ierr = VecNorm(Q, NORM_MAX, &error); CHKERRQ(ierr); 1798 ierr = VecDestroy(&Qref); CHKERRQ(ierr); 1799 // Check error 1800 if (error > testtol) { 1801 ierr = PetscPrintf(PETSC_COMM_WORLD, 1802 "Test failed with error norm %g\n", 1803 (double)error); CHKERRQ(ierr); 1804 } 1805 ierr = PetscViewerDestroy(&viewer); CHKERRQ(ierr); 1806 } 1807 1808 // Clean up libCEED 1809 CeedVectorDestroy(&qdata); 1810 CeedVectorDestroy(&user->qceed); 1811 CeedVectorDestroy(&user->qdotceed); 1812 CeedVectorDestroy(&user->gceed); 1813 CeedVectorDestroy(&xcorners); 1814 CeedBasisDestroy(&basisq); 1815 CeedBasisDestroy(&basisx); 1816 CeedBasisDestroy(&basisxc); 1817 CeedElemRestrictionDestroy(&restrictq); 1818 CeedElemRestrictionDestroy(&restrictx); 1819 CeedElemRestrictionDestroy(&restrictqdi); 1820 CeedQFunctionDestroy(&qf_setupVol); 1821 CeedQFunctionDestroy(&qf_ics); 1822 CeedQFunctionDestroy(&qf_rhsVol); 1823 CeedQFunctionDestroy(&qf_ifunctionVol); 1824 CeedQFunctionContextDestroy(&ctxSetup); 1825 CeedQFunctionContextDestroy(&ctxNS); 1826 CeedQFunctionContextDestroy(&ctxAdvection2d); 1827 CeedQFunctionContextDestroy(&ctxSurface); 1828 CeedQFunctionContextDestroy(&ctxEuler); 1829 CeedOperatorDestroy(&op_setupVol); 1830 CeedOperatorDestroy(&op_ics); 1831 CeedOperatorDestroy(&user->op_rhs_vol); 1832 CeedOperatorDestroy(&user->op_ifunction_vol); 1833 CeedDestroy(&ceed); 1834 CeedBasisDestroy(&basisqSur); 1835 CeedBasisDestroy(&basisxSur); 1836 CeedBasisDestroy(&basisxcSur); 1837 CeedQFunctionDestroy(&qf_setupSur); 1838 CeedQFunctionDestroy(&qf_applySur); 1839 CeedOperatorDestroy(&user->op_rhs); 1840 CeedOperatorDestroy(&user->op_ifunction); 1841 1842 // Clean up PETSc 1843 ierr = VecDestroy(&Q); CHKERRQ(ierr); 1844 ierr = VecDestroy(&user->M); CHKERRQ(ierr); 1845 ierr = MatDestroy(&interpviz); CHKERRQ(ierr); 1846 ierr = DMDestroy(&dmviz); CHKERRQ(ierr); 1847 ierr = TSDestroy(&ts); CHKERRQ(ierr); 1848 ierr = DMDestroy(&dm); CHKERRQ(ierr); 1849 ierr = PetscFree(units); CHKERRQ(ierr); 1850 ierr = PetscFree(user); CHKERRQ(ierr); 1851 ierr = PetscFree(ctxEulerData); CHKERRQ(ierr); 1852 return PetscFinalize(); 1853 } 1854