1 // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors. 2 // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3 // 4 // SPDX-License-Identifier: BSD-2-Clause 5 // 6 // This file is part of CEED: http://github.com/ceed 7 8 #ifndef libceed_fluids_examples_navier_stokes_h 9 #define libceed_fluids_examples_navier_stokes_h 10 11 #include <ceed.h> 12 #include <petscdm.h> 13 #include <petscdmplex.h> 14 #include <petscsys.h> 15 #include <petscts.h> 16 #include <stdbool.h> 17 #include "qfunctions/stabilization_types.h" 18 19 // ----------------------------------------------------------------------------- 20 // PETSc Version 21 // ----------------------------------------------------------------------------- 22 #if PETSC_VERSION_LT(3,17,0) 23 #error "PETSc v3.17 or later is required" 24 #endif 25 26 // ----------------------------------------------------------------------------- 27 // Enums 28 // ----------------------------------------------------------------------------- 29 // Translate PetscMemType to CeedMemType 30 static inline CeedMemType MemTypeP2C(PetscMemType mem_type) { 31 return PetscMemTypeDevice(mem_type) ? CEED_MEM_DEVICE : CEED_MEM_HOST; 32 } 33 34 // Advection - Wind Options 35 typedef enum { 36 WIND_ROTATION = 0, 37 WIND_TRANSLATION = 1, 38 } WindType; 39 static const char *const WindTypes[] = { 40 "rotation", 41 "translation", 42 "WindType", "WIND_", NULL 43 }; 44 45 // Advection - Bubble Types 46 typedef enum { 47 BUBBLE_SPHERE = 0, // dim=3 48 BUBBLE_CYLINDER = 1, // dim=2 49 } BubbleType; 50 static const char *const BubbleTypes[] = { 51 "sphere", 52 "cylinder", 53 "BubbleType", "BUBBLE_", NULL 54 }; 55 56 // Advection - Bubble Continuity Types 57 typedef enum { 58 BUBBLE_CONTINUITY_SMOOTH = 0, // Original continuous, smooth shape 59 BUBBLE_CONTINUITY_BACK_SHARP = 1, // Discontinuous, sharp back half shape 60 BUBBLE_CONTINUITY_THICK = 2, // Define a finite thickness 61 } BubbleContinuityType; 62 static const char *const BubbleContinuityTypes[] = { 63 "smooth", 64 "back_sharp", 65 "thick", 66 "BubbleContinuityType", "BUBBLE_CONTINUITY_", NULL 67 }; 68 69 // Euler - test cases 70 typedef enum { 71 EULER_TEST_ISENTROPIC_VORTEX = 0, 72 EULER_TEST_1 = 1, 73 EULER_TEST_2 = 2, 74 EULER_TEST_3 = 3, 75 EULER_TEST_4 = 4, 76 EULER_TEST_5 = 5, 77 } EulerTestType; 78 static const char *const EulerTestTypes[] = { 79 "isentropic_vortex", 80 "test_1", 81 "test_2", 82 "test_3", 83 "test_4", 84 "test_5", 85 "EulerTestType", "EULER_TEST_", NULL 86 }; 87 88 // Stabilization methods 89 static const char *const StabilizationTypes[] = { 90 "none", 91 "SU", 92 "SUPG", 93 "StabilizationType", "STAB_", NULL 94 }; 95 96 // ----------------------------------------------------------------------------- 97 // Structs 98 // ----------------------------------------------------------------------------- 99 // Structs declarations 100 typedef struct AppCtx_private *AppCtx; 101 typedef struct CeedData_private *CeedData; 102 typedef struct User_private *User; 103 typedef struct Units_private *Units; 104 typedef struct SimpleBC_private *SimpleBC; 105 typedef struct Physics_private *Physics; 106 107 // Application context from user command line options 108 struct AppCtx_private { 109 // libCEED arguments 110 char ceed_resource[PETSC_MAX_PATH_LEN]; // libCEED backend 111 PetscInt degree; 112 PetscInt q_extra; 113 // Post-processing arguments 114 PetscInt output_freq; 115 PetscInt viz_refine; 116 PetscInt cont_steps; 117 char output_dir[PETSC_MAX_PATH_LEN]; 118 // Problem type arguments 119 PetscFunctionList problems; 120 char problem_name[PETSC_MAX_PATH_LEN]; 121 // Test mode arguments 122 PetscBool test_mode; 123 PetscScalar test_tol; 124 char file_path[PETSC_MAX_PATH_LEN]; 125 }; 126 127 // libCEED data struct 128 struct CeedData_private { 129 CeedVector x_coord, q_data; 130 CeedQFunction qf_setup_vol, qf_ics, qf_rhs_vol, qf_ifunction_vol, 131 qf_setup_sur, 132 qf_apply_inflow, qf_apply_inflow_jacobian, 133 qf_apply_outflow, qf_apply_outflow_jacobian; 134 CeedBasis basis_x, basis_xc, basis_q, basis_x_sur, basis_q_sur; 135 CeedElemRestriction elem_restr_x, elem_restr_q, elem_restr_qd_i; 136 CeedOperator op_setup_vol, op_ics; 137 }; 138 139 // PETSc user data 140 struct User_private { 141 MPI_Comm comm; 142 DM dm; 143 DM dm_viz; 144 Mat interp_viz; 145 Ceed ceed; 146 Units units; 147 Vec M, Q_loc, Q_dot_loc; 148 Physics phys; 149 AppCtx app_ctx; 150 CeedVector q_ceed, q_dot_ceed, g_ceed, coo_values; 151 CeedOperator op_rhs_vol, op_rhs, op_ifunction_vol, op_ifunction, op_ijacobian; 152 bool matrices_set_up; 153 CeedScalar time, dt; 154 }; 155 156 // Units 157 struct Units_private { 158 // fundamental units 159 PetscScalar meter; 160 PetscScalar kilogram; 161 PetscScalar second; 162 PetscScalar Kelvin; 163 // derived units 164 PetscScalar Pascal; 165 PetscScalar J_per_kg_K; 166 PetscScalar m_per_squared_s; 167 PetscScalar W_per_m_K; 168 PetscScalar Joule; 169 }; 170 171 // Boundary conditions 172 struct SimpleBC_private { 173 PetscInt num_wall, // Number of faces with wall BCs 174 wall_comps[5], // An array of constrained component numbers 175 num_comps, 176 num_slip[3], // Number of faces with slip BCs 177 num_inflow, 178 num_outflow; 179 PetscInt walls[16], slips[3][16], inflows[16], outflows[16]; 180 PetscBool user_bc; 181 }; 182 183 // Struct that contains all enums and structs used for the physics of all problems 184 struct Physics_private { 185 WindType wind_type; 186 BubbleType bubble_type; 187 BubbleContinuityType bubble_continuity_type; 188 EulerTestType euler_test; 189 StabilizationType stab; 190 PetscBool implicit; 191 PetscBool has_curr_time; 192 PetscBool has_neumann; 193 CeedContextFieldLabel solution_time_label; 194 CeedContextFieldLabel timestep_size_label; 195 CeedContextFieldLabel ics_time_label; 196 CeedContextFieldLabel ijacobian_time_shift_label; 197 }; 198 199 typedef struct { 200 CeedQFunctionUser qfunction; 201 const char *qfunction_loc; 202 CeedQFunctionContext qfunction_context; 203 } ProblemQFunctionSpec; 204 205 // Problem specific data 206 // *INDENT-OFF* 207 typedef struct ProblemData_private ProblemData; 208 struct ProblemData_private { 209 CeedInt dim, q_data_size_vol, q_data_size_sur, jac_data_size_sur; 210 CeedScalar dm_scale; 211 ProblemQFunctionSpec setup_vol, setup_sur, ics, apply_vol_rhs, apply_vol_ifunction, 212 apply_vol_ijacobian, apply_inflow, apply_outflow, 213 apply_inflow_jacobian, apply_outflow_jacobian; 214 bool non_zero_time; 215 PetscErrorCode (*bc)(PetscInt, PetscReal, const PetscReal[], PetscInt, 216 PetscScalar[], void *); 217 void *bc_ctx; 218 PetscBool bc_from_ics; 219 PetscErrorCode (*print_info)(ProblemData*, AppCtx); 220 }; 221 // *INDENT-ON* 222 223 extern int FreeContextPetsc(void *); 224 225 // ----------------------------------------------------------------------------- 226 // Set up problems 227 // ----------------------------------------------------------------------------- 228 // Set up function for each problem 229 extern PetscErrorCode NS_CHANNEL(ProblemData *problem, DM dm, 230 void *ctx); 231 extern PetscErrorCode NS_BLASIUS(ProblemData *problem, DM dm, 232 void *ctx); 233 extern PetscErrorCode NS_NEWTONIAN_IG(ProblemData *problem, DM dm, 234 void *ctx); 235 extern PetscErrorCode NS_DENSITY_CURRENT(ProblemData *problem, DM dm, 236 void *ctx); 237 238 extern PetscErrorCode NS_EULER_VORTEX(ProblemData *problem, DM dm, 239 void *ctx); 240 extern PetscErrorCode NS_SHOCKTUBE(ProblemData *problem, DM dm, 241 void *ctx); 242 extern PetscErrorCode NS_ADVECTION(ProblemData *problem, DM dm, 243 void *ctx); 244 extern PetscErrorCode NS_ADVECTION2D(ProblemData *problem, DM dm, 245 void *ctx); 246 247 // Print function for each problem 248 extern PetscErrorCode PRINT_DENSITY_CURRENT(ProblemData *problem, 249 AppCtx app_ctx); 250 251 extern PetscErrorCode PRINT_EULER_VORTEX(ProblemData *problem, 252 AppCtx app_ctx); 253 254 extern PetscErrorCode PRINT_SHOCKTUBE(ProblemData *problem, 255 AppCtx app_ctx); 256 257 extern PetscErrorCode PRINT_ADVECTION(ProblemData *problem, 258 AppCtx app_ctx); 259 260 extern PetscErrorCode PRINT_ADVECTION2D(ProblemData *problem, 261 AppCtx app_ctx); 262 263 // ----------------------------------------------------------------------------- 264 // libCEED functions 265 // ----------------------------------------------------------------------------- 266 // Utility function - essential BC dofs are encoded in closure indices as -(i+1). 267 PetscInt Involute(PetscInt i); 268 269 // Utility function to create local CEED restriction 270 PetscErrorCode CreateRestrictionFromPlex(Ceed ceed, DM dm, CeedInt height, 271 DMLabel domain_label, CeedInt value, CeedElemRestriction *elem_restr); 272 273 // Utility function to get Ceed Restriction for each domain 274 PetscErrorCode GetRestrictionForDomain(Ceed ceed, DM dm, CeedInt height, 275 DMLabel domain_label, PetscInt value, 276 CeedInt Q, CeedInt q_data_size, 277 CeedElemRestriction *elem_restr_q, 278 CeedElemRestriction *elem_restr_x, 279 CeedElemRestriction *elem_restr_qd_i); 280 281 // Utility function to create CEED Composite Operator for the entire domain 282 PetscErrorCode CreateOperatorForDomain(Ceed ceed, DM dm, SimpleBC bc, 283 CeedData ceed_data, Physics phys, 284 CeedOperator op_apply_vol, 285 CeedOperator op_apply_ijacobian_vol, 286 CeedInt height, 287 CeedInt P_sur, CeedInt Q_sur, 288 CeedInt q_data_size_sur, CeedInt jac_data_size_sur, 289 CeedOperator *op_apply, CeedOperator *op_apply_ijacobian); 290 291 PetscErrorCode SetupLibceed(Ceed ceed, CeedData ceed_data, DM dm, User user, 292 AppCtx app_ctx, ProblemData *problem, SimpleBC bc); 293 294 // ----------------------------------------------------------------------------- 295 // Time-stepping functions 296 // ----------------------------------------------------------------------------- 297 // Compute mass matrix for explicit scheme 298 PetscErrorCode ComputeLumpedMassMatrix(Ceed ceed, DM dm, CeedData ceed_data, 299 Vec M); 300 301 // RHS (Explicit time-stepper) function setup 302 PetscErrorCode RHS_NS(TS ts, PetscReal t, Vec Q, Vec G, void *user_data); 303 304 // Implicit time-stepper function setup 305 PetscErrorCode IFunction_NS(TS ts, PetscReal t, Vec Q, Vec Q_dot, Vec G, 306 void *user_data); 307 308 // User provided TS Monitor 309 PetscErrorCode TSMonitor_NS(TS ts, PetscInt step_no, PetscReal time, Vec Q, 310 void *ctx); 311 312 // TS: Create, setup, and solve 313 PetscErrorCode TSSolve_NS(DM dm, User user, AppCtx app_ctx, Physics phys, 314 Vec *Q, PetscScalar *f_time, TS *ts); 315 316 // ----------------------------------------------------------------------------- 317 // Setup DM 318 // ----------------------------------------------------------------------------- 319 // Create mesh 320 PetscErrorCode CreateDM(MPI_Comm comm, ProblemData *problem, 321 MatType, VecType, DM *dm); 322 323 // Set up DM 324 PetscErrorCode SetUpDM(DM dm, ProblemData *problem, PetscInt degree, 325 SimpleBC bc, Physics phys); 326 327 // Refine DM for high-order viz 328 PetscErrorCode VizRefineDM(DM dm, User user, ProblemData *problem, 329 SimpleBC bc, Physics phys); 330 331 // ----------------------------------------------------------------------------- 332 // Process command line options 333 // ----------------------------------------------------------------------------- 334 // Register problems to be available on the command line 335 PetscErrorCode RegisterProblems_NS(AppCtx app_ctx); 336 337 // Process general command line options 338 PetscErrorCode ProcessCommandLineOptions(MPI_Comm comm, AppCtx app_ctx, 339 SimpleBC bc); 340 341 // ----------------------------------------------------------------------------- 342 // Miscellaneous utility functions 343 // ----------------------------------------------------------------------------- 344 PetscErrorCode ICs_FixMultiplicity(DM dm, CeedData ceed_data, User user, 345 Vec Q_loc, Vec Q, 346 CeedScalar time); 347 348 PetscErrorCode DMPlexInsertBoundaryValues_NS(DM dm, 349 PetscBool insert_essential, Vec Q_loc, PetscReal time, Vec face_geom_FVM, 350 Vec cell_geom_FVM, Vec grad_FVM); 351 352 // Compare reference solution values with current test run for CI 353 PetscErrorCode RegressionTests_NS(AppCtx app_ctx, Vec Q); 354 355 // Get error for problems with exact solutions 356 PetscErrorCode GetError_NS(CeedData ceed_data, DM dm, User user, Vec Q, 357 PetscScalar final_time); 358 359 // Post-processing 360 PetscErrorCode PostProcess_NS(TS ts, CeedData ceed_data, DM dm, 361 ProblemData *problem, User user, 362 Vec Q, PetscScalar final_time); 363 364 // -- Gather initial Q values in case of continuation of simulation 365 PetscErrorCode SetupICsFromBinary(MPI_Comm comm, AppCtx app_ctx, Vec Q); 366 367 // Record boundary values from initial condition 368 PetscErrorCode SetBCsFromICs_NS(DM dm, Vec Q, Vec Q_loc); 369 370 // ----------------------------------------------------------------------------- 371 372 #endif // libceed_fluids_examples_navier_stokes_h 373