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