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 <petscts.h> 13 #include <stdbool.h> 14 15 #include "./include/petsc_ops.h" 16 #include "qfunctions/newtonian_types.h" 17 #include "qfunctions/stabilization_types.h" 18 19 // ----------------------------------------------------------------------------- 20 // PETSc Version 21 // ----------------------------------------------------------------------------- 22 #if PETSC_VERSION_LT(3, 19, 0) 23 #error "PETSc v3.19 or later is required" 24 #endif 25 26 // ----------------------------------------------------------------------------- 27 // Enums 28 // ----------------------------------------------------------------------------- 29 // Translate PetscMemType to CeedMemType 30 static inline CeedMemType MemTypeP2C(PetscMemType mem_type) { return PetscMemTypeDevice(mem_type) ? CEED_MEM_DEVICE : CEED_MEM_HOST; } 31 32 // Advection - Wind Options 33 typedef enum { 34 WIND_ROTATION = 0, 35 WIND_TRANSLATION = 1, 36 } WindType; 37 static const char *const WindTypes[] = {"rotation", "translation", "WindType", "WIND_", NULL}; 38 39 // Advection - Bubble Types 40 typedef enum { 41 BUBBLE_SPHERE = 0, // dim=3 42 BUBBLE_CYLINDER = 1, // dim=2 43 } BubbleType; 44 static const char *const BubbleTypes[] = {"sphere", "cylinder", "BubbleType", "BUBBLE_", NULL}; 45 46 // Advection - Bubble Continuity Types 47 typedef enum { 48 BUBBLE_CONTINUITY_SMOOTH = 0, // Original continuous, smooth shape 49 BUBBLE_CONTINUITY_BACK_SHARP = 1, // Discontinuous, sharp back half shape 50 BUBBLE_CONTINUITY_THICK = 2, // Define a finite thickness 51 } BubbleContinuityType; 52 static const char *const BubbleContinuityTypes[] = {"smooth", "back_sharp", "thick", "BubbleContinuityType", "BUBBLE_CONTINUITY_", NULL}; 53 54 // Euler - test cases 55 typedef enum { 56 EULER_TEST_ISENTROPIC_VORTEX = 0, 57 EULER_TEST_1 = 1, 58 EULER_TEST_2 = 2, 59 EULER_TEST_3 = 3, 60 EULER_TEST_4 = 4, 61 EULER_TEST_5 = 5, 62 } EulerTestType; 63 static const char *const EulerTestTypes[] = {"isentropic_vortex", "test_1", "test_2", "test_3", "test_4", "test_5", 64 "EulerTestType", "EULER_TEST_", NULL}; 65 66 // Stabilization methods 67 static const char *const StabilizationTypes[] = {"none", "SU", "SUPG", "StabilizationType", "STAB_", NULL}; 68 69 // Test mode type 70 typedef enum { 71 TESTTYPE_NONE = 0, 72 TESTTYPE_SOLVER = 1, 73 TESTTYPE_TURB_SPANSTATS = 2, 74 TESTTYPE_DIFF_FILTER = 3, 75 } TestType; 76 static const char *const TestTypes[] = {"none", "solver", "turb_spanstats", "diff_filter", "TestType", "TESTTYPE_", NULL}; 77 78 // Test mode type 79 typedef enum { 80 SGS_MODEL_NONE = 0, 81 SGS_MODEL_DATA_DRIVEN = 1, 82 } SGSModelType; 83 static const char *const SGSModelTypes[] = {"none", "data_driven", "SGSModelType", "SGS_MODEL_", NULL}; 84 85 // ----------------------------------------------------------------------------- 86 // Structs 87 // ----------------------------------------------------------------------------- 88 // Structs declarations 89 typedef struct AppCtx_private *AppCtx; 90 typedef struct CeedData_private *CeedData; 91 typedef struct User_private *User; 92 typedef struct Units_private *Units; 93 typedef struct SimpleBC_private *SimpleBC; 94 typedef struct Physics_private *Physics; 95 96 // Application context from user command line options 97 struct AppCtx_private { 98 // libCEED arguments 99 char ceed_resource[PETSC_MAX_PATH_LEN]; // libCEED backend 100 PetscInt degree; 101 PetscInt q_extra; 102 // Solver arguments 103 MatType amat_type; 104 PetscBool pmat_pbdiagonal; 105 // Post-processing arguments 106 PetscInt checkpoint_interval; 107 PetscInt viz_refine; 108 PetscInt cont_steps; 109 PetscReal cont_time; 110 char cont_file[PETSC_MAX_PATH_LEN]; 111 char cont_time_file[PETSC_MAX_PATH_LEN]; 112 char output_dir[PETSC_MAX_PATH_LEN]; 113 PetscBool add_stepnum2bin; 114 PetscBool checkpoint_vtk; 115 // Problem type arguments 116 PetscFunctionList problems; 117 char problem_name[PETSC_MAX_PATH_LEN]; 118 // Test mode arguments 119 TestType test_type; 120 PetscScalar test_tol; 121 char test_file_path[PETSC_MAX_PATH_LEN]; 122 // Turbulent spanwise statistics 123 PetscBool turb_spanstats_enable; 124 PetscInt turb_spanstats_collect_interval; 125 PetscInt turb_spanstats_viewer_interval; 126 PetscViewer turb_spanstats_viewer; 127 PetscViewerFormat turb_spanstats_viewer_format; 128 // Wall forces 129 struct { 130 PetscInt num_wall; 131 PetscInt *walls; 132 PetscViewer viewer; 133 PetscViewerFormat viewer_format; 134 PetscBool header_written; 135 } wall_forces; 136 // Subgrid Stress Model 137 SGSModelType sgs_model_type; 138 // Differential Filtering 139 PetscBool diff_filter_monitor; 140 }; 141 142 // libCEED data struct 143 struct CeedData_private { 144 CeedVector x_coord, q_data; 145 CeedBasis basis_x, basis_xc, basis_q, basis_x_sur, basis_q_sur, basis_xc_sur; 146 CeedElemRestriction elem_restr_x, elem_restr_q, elem_restr_qd_i; 147 CeedOperator op_setup_vol; 148 OperatorApplyContext op_ics_ctx; 149 CeedQFunction qf_setup_vol, qf_ics, qf_rhs_vol, qf_ifunction_vol, qf_setup_sur, qf_apply_inflow, qf_apply_inflow_jacobian, qf_apply_outflow, 150 qf_apply_outflow_jacobian, qf_apply_freestream, qf_apply_freestream_jacobian; 151 }; 152 153 typedef struct { 154 DM dm; 155 PetscSF sf; // For communicating child data to parents 156 OperatorApplyContext op_stats_collect_ctx, op_proj_rhs_ctx; 157 PetscInt num_comp_stats; 158 Vec Child_Stats_loc, Parent_Stats_loc; 159 KSP ksp; // For the L^2 projection solve 160 CeedScalar span_width; // spanwise width of the child domain 161 PetscBool do_mms_test; 162 OperatorApplyContext mms_error_ctx; 163 CeedContextFieldLabel solution_time_label, previous_time_label; 164 } Span_Stats; 165 166 typedef struct { 167 DM dm; 168 PetscInt num_comp; 169 OperatorApplyContext l2_rhs_ctx; 170 KSP ksp; 171 } *NodalProjectionData; 172 173 typedef struct { 174 DM dm_sgs; 175 PetscInt num_comp_sgs; 176 OperatorApplyContext op_nodal_evaluation_ctx, op_sgs_apply_ctx; 177 CeedVector sgs_nodal_ceed; 178 } *SGS_DD_Data; 179 180 typedef struct { 181 DM dm_filter; 182 CeedInt num_comp_filter; 183 OperatorApplyContext op_rhs_ctx; 184 KSP ksp; 185 PetscBool do_mms_test; 186 } *DiffFilterData; 187 188 // PETSc user data 189 struct User_private { 190 MPI_Comm comm; 191 DM dm; 192 DM dm_viz; 193 Mat interp_viz; 194 Ceed ceed; 195 Units units; 196 Vec M_inv, Q_loc, Q_dot_loc; 197 Physics phys; 198 AppCtx app_ctx; 199 CeedVector q_ceed, q_dot_ceed, g_ceed, coo_values_amat, coo_values_pmat, x_ceed; 200 CeedOperator op_rhs_vol, op_ifunction_vol, op_ifunction, op_ijacobian; 201 OperatorApplyContext op_rhs_ctx, op_strong_bc_ctx; 202 bool matrices_set_up; 203 CeedScalar time_bc_set; 204 Span_Stats spanstats; 205 NodalProjectionData grad_velo_proj; 206 SGS_DD_Data sgs_dd_data; 207 DiffFilterData diff_filter; 208 }; 209 210 // Units 211 struct Units_private { 212 // fundamental units 213 PetscScalar meter; 214 PetscScalar kilogram; 215 PetscScalar second; 216 PetscScalar Kelvin; 217 // derived units 218 PetscScalar Pascal; 219 PetscScalar J_per_kg_K; 220 PetscScalar m_per_squared_s; 221 PetscScalar W_per_m_K; 222 PetscScalar Joule; 223 }; 224 225 // Boundary conditions 226 struct SimpleBC_private { 227 PetscInt num_wall, // Number of faces with wall BCs 228 wall_comps[5], // An array of constrained component numbers 229 num_comps, 230 num_slip[3], // Number of faces with slip BCs 231 num_inflow, num_outflow, num_freestream; 232 PetscInt walls[16], slips[3][16], inflows[16], outflows[16], freestreams[16]; 233 PetscBool user_bc; 234 }; 235 236 // Struct that contains all enums and structs used for the physics of all problems 237 struct Physics_private { 238 WindType wind_type; 239 BubbleType bubble_type; 240 BubbleContinuityType bubble_continuity_type; 241 EulerTestType euler_test; 242 StabilizationType stab; 243 PetscBool implicit; 244 StateVariable state_var; 245 PetscBool has_curr_time; 246 PetscBool has_neumann; 247 CeedContextFieldLabel solution_time_label; 248 CeedContextFieldLabel stg_solution_time_label; 249 CeedContextFieldLabel timestep_size_label; 250 CeedContextFieldLabel ics_time_label; 251 CeedContextFieldLabel ijacobian_time_shift_label; 252 }; 253 254 typedef struct { 255 CeedQFunctionUser qfunction; 256 const char *qfunction_loc; 257 CeedQFunctionContext qfunction_context; 258 } ProblemQFunctionSpec; 259 260 // Problem specific data 261 typedef struct ProblemData_private ProblemData; 262 struct ProblemData_private { 263 CeedInt dim, q_data_size_vol, q_data_size_sur, jac_data_size_sur; 264 CeedScalar dm_scale; 265 ProblemQFunctionSpec setup_vol, setup_sur, ics, apply_vol_rhs, apply_vol_ifunction, apply_vol_ijacobian, apply_inflow, apply_outflow, 266 apply_freestream, apply_inflow_jacobian, apply_outflow_jacobian, apply_freestream_jacobian; 267 bool non_zero_time; 268 PetscErrorCode (*bc)(PetscInt, PetscReal, const PetscReal[], PetscInt, PetscScalar[], void *); 269 void *bc_ctx; 270 PetscBool bc_from_ics, use_strong_bc_ceed; 271 PetscErrorCode (*print_info)(ProblemData *, AppCtx); 272 }; 273 274 extern int FreeContextPetsc(void *); 275 276 // ----------------------------------------------------------------------------- 277 // Set up problems 278 // ----------------------------------------------------------------------------- 279 // Set up function for each problem 280 extern PetscErrorCode NS_GAUSSIAN_WAVE(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 281 extern PetscErrorCode NS_CHANNEL(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 282 extern PetscErrorCode NS_BLASIUS(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 283 extern PetscErrorCode NS_NEWTONIAN_IG(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 284 extern PetscErrorCode NS_DENSITY_CURRENT(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 285 extern PetscErrorCode NS_EULER_VORTEX(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 286 extern PetscErrorCode NS_SHOCKTUBE(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 287 extern PetscErrorCode NS_ADVECTION(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 288 extern PetscErrorCode NS_ADVECTION2D(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 289 290 // Print function for each problem 291 extern PetscErrorCode PRINT_NEWTONIAN(ProblemData *problem, AppCtx app_ctx); 292 293 extern PetscErrorCode PRINT_EULER_VORTEX(ProblemData *problem, AppCtx app_ctx); 294 295 extern PetscErrorCode PRINT_SHOCKTUBE(ProblemData *problem, AppCtx app_ctx); 296 297 extern PetscErrorCode PRINT_ADVECTION(ProblemData *problem, AppCtx app_ctx); 298 299 extern PetscErrorCode PRINT_ADVECTION2D(ProblemData *problem, AppCtx app_ctx); 300 301 // ----------------------------------------------------------------------------- 302 // libCEED functions 303 // ----------------------------------------------------------------------------- 304 // Utility function - essential BC dofs are encoded in closure indices as -(i+1). 305 PetscInt Involute(PetscInt i); 306 307 // Utility function to create local CEED restriction 308 PetscErrorCode CreateRestrictionFromPlex(Ceed ceed, DM dm, CeedInt height, DMLabel domain_label, CeedInt value, CeedElemRestriction *elem_restr); 309 310 // Utility function to get Ceed Restriction for each domain 311 PetscErrorCode GetRestrictionForDomain(Ceed ceed, DM dm, CeedInt height, DMLabel domain_label, PetscInt value, CeedInt Q, CeedInt q_data_size, 312 CeedElemRestriction *elem_restr_q, CeedElemRestriction *elem_restr_x, CeedElemRestriction *elem_restr_qd_i); 313 314 // Utility function to create CEED Composite Operator for the entire domain 315 PetscErrorCode CreateOperatorForDomain(Ceed ceed, DM dm, SimpleBC bc, CeedData ceed_data, Physics phys, CeedOperator op_apply_vol, 316 CeedOperator op_apply_ijacobian_vol, CeedInt height, CeedInt P_sur, CeedInt Q_sur, CeedInt q_data_size_sur, 317 CeedInt jac_data_size_sur, CeedOperator *op_apply, CeedOperator *op_apply_ijacobian); 318 319 PetscErrorCode SetupLibceed(Ceed ceed, CeedData ceed_data, DM dm, User user, AppCtx app_ctx, ProblemData *problem, SimpleBC bc); 320 321 // ----------------------------------------------------------------------------- 322 // Time-stepping functions 323 // ----------------------------------------------------------------------------- 324 // Compute mass matrix for explicit scheme 325 PetscErrorCode ComputeLumpedMassMatrix(Ceed ceed, DM dm, CeedData ceed_data, Vec M); 326 327 // RHS (Explicit time-stepper) function setup 328 PetscErrorCode RHS_NS(TS ts, PetscReal t, Vec Q, Vec G, void *user_data); 329 330 // Implicit time-stepper function setup 331 PetscErrorCode IFunction_NS(TS ts, PetscReal t, Vec Q, Vec Q_dot, Vec G, void *user_data); 332 333 // User provided TS Monitor 334 PetscErrorCode TSMonitor_NS(TS ts, PetscInt step_no, PetscReal time, Vec Q, void *ctx); 335 336 // TS: Create, setup, and solve 337 PetscErrorCode TSSolve_NS(DM dm, User user, AppCtx app_ctx, Physics phys, Vec *Q, PetscScalar *f_time, TS *ts); 338 339 // Update Boundary Values when time has changed 340 PetscErrorCode UpdateBoundaryValues(User user, Vec Q_loc, PetscReal t); 341 342 // ----------------------------------------------------------------------------- 343 // Setup DM 344 // ----------------------------------------------------------------------------- 345 // Create mesh 346 PetscErrorCode CreateDM(MPI_Comm comm, ProblemData *problem, MatType, VecType, DM *dm); 347 348 // Set up DM 349 PetscErrorCode SetUpDM(DM dm, ProblemData *problem, PetscInt degree, SimpleBC bc, Physics phys); 350 351 // Refine DM for high-order viz 352 PetscErrorCode VizRefineDM(DM dm, User user, ProblemData *problem, SimpleBC bc, Physics phys); 353 354 // ----------------------------------------------------------------------------- 355 // Process command line options 356 // ----------------------------------------------------------------------------- 357 // Register problems to be available on the command line 358 PetscErrorCode RegisterProblems_NS(AppCtx app_ctx); 359 360 // Process general command line options 361 PetscErrorCode ProcessCommandLineOptions(MPI_Comm comm, AppCtx app_ctx, SimpleBC bc); 362 363 // ----------------------------------------------------------------------------- 364 // Miscellaneous utility functions 365 // ----------------------------------------------------------------------------- 366 PetscErrorCode ICs_FixMultiplicity(DM dm, CeedData ceed_data, User user, Vec Q_loc, Vec Q, CeedScalar time); 367 368 PetscErrorCode DMPlexInsertBoundaryValues_NS(DM dm, PetscBool insert_essential, Vec Q_loc, PetscReal time, Vec face_geom_FVM, Vec cell_geom_FVM, 369 Vec grad_FVM); 370 371 // Compare reference solution values with current test run for CI 372 PetscErrorCode RegressionTests_NS(AppCtx app_ctx, Vec Q); 373 374 // Get error for problems with exact solutions 375 PetscErrorCode GetError_NS(CeedData ceed_data, DM dm, User user, Vec Q, PetscScalar final_time); 376 377 // Post-processing 378 PetscErrorCode PostProcess_NS(TS ts, CeedData ceed_data, DM dm, ProblemData *problem, User user, Vec Q, PetscScalar final_time); 379 380 // -- Gather initial Q values in case of continuation of simulation 381 PetscErrorCode SetupICsFromBinary(MPI_Comm comm, AppCtx app_ctx, Vec Q); 382 383 // Record boundary values from initial condition 384 PetscErrorCode SetBCsFromICs_NS(DM dm, Vec Q, Vec Q_loc); 385 386 // Versioning token for binary checkpoints 387 extern const PetscInt FLUIDS_FILE_TOKEN; 388 389 // Create appropriate mass qfunction based on number of components N 390 PetscErrorCode CreateMassQFunction(Ceed ceed, CeedInt N, CeedInt q_data_size, CeedQFunction *qf); 391 392 PetscErrorCode ComputeL2Projection(Vec source_vec, Vec target_vec, OperatorApplyContext rhs_matop_ctx, KSP ksp); 393 394 PetscErrorCode NodalProjectionDataDestroy(NodalProjectionData context); 395 396 PetscErrorCode PHASTADatFileOpen(const MPI_Comm comm, const char path[PETSC_MAX_PATH_LEN], const PetscInt char_array_len, PetscInt dims[2], 397 FILE **fp); 398 399 PetscErrorCode PHASTADatFileGetNRows(const MPI_Comm comm, const char path[PETSC_MAX_PATH_LEN], PetscInt *nrows); 400 401 PetscErrorCode PHASTADatFileReadToArrayReal(const MPI_Comm comm, const char path[PETSC_MAX_PATH_LEN], PetscReal array[]); 402 403 // ----------------------------------------------------------------------------- 404 // Turbulence Statistics Collection Functions 405 // ----------------------------------------------------------------------------- 406 407 PetscErrorCode TurbulenceStatisticsSetup(Ceed ceed, User user, CeedData ceed_data, ProblemData *problem); 408 PetscErrorCode TSMonitor_TurbulenceStatistics(TS ts, PetscInt steps, PetscReal solution_time, Vec Q, void *ctx); 409 PetscErrorCode TurbulenceStatisticsDestroy(User user, CeedData ceed_data); 410 411 // ----------------------------------------------------------------------------- 412 // Data-Driven Subgrid Stress (DD-SGS) Modeling Functions 413 // ----------------------------------------------------------------------------- 414 415 PetscErrorCode SGS_DD_ModelSetup(Ceed ceed, User user, CeedData ceed_data, ProblemData *problem); 416 PetscErrorCode SGS_DD_DataDestroy(SGS_DD_Data sgs_dd_data); 417 PetscErrorCode SGS_DD_ModelApplyIFunction(User user, const Vec Q_loc, Vec G_loc); 418 PetscErrorCode VelocityGradientProjectionSetup(Ceed ceed, User user, CeedData ceed_data, ProblemData *problem); 419 PetscErrorCode VelocityGradientProjectionApply(User user, Vec Q_loc, Vec VelocityGradient); 420 PetscErrorCode GridAnisotropyTensorProjectionSetupApply(Ceed ceed, User user, CeedData ceed_data, CeedElemRestriction *elem_restr_grid_aniso, 421 CeedVector *grid_aniso_vector); 422 PetscErrorCode GridAnisotropyTensorCalculateCollocatedVector(Ceed ceed, User user, CeedData ceed_data, CeedElemRestriction *elem_restr_grid_aniso, 423 CeedVector *aniso_colloc_ceed, PetscInt *num_comp_aniso); 424 425 // ----------------------------------------------------------------------------- 426 // Boundary Condition Related Functions 427 // ----------------------------------------------------------------------------- 428 429 // Setup StrongBCs that use QFunctions 430 PetscErrorCode SetupStrongBC_Ceed(Ceed ceed, CeedData ceed_data, DM dm, User user, ProblemData *problem, SimpleBC bc, CeedInt Q_sur, 431 CeedInt q_data_size_sur); 432 433 PetscErrorCode FreestreamBCSetup(ProblemData *problem, DM dm, void *ctx, NewtonianIdealGasContext newtonian_ig_ctx, const StatePrimitive *reference); 434 PetscErrorCode OutflowBCSetup(ProblemData *problem, DM dm, void *ctx, NewtonianIdealGasContext newtonian_ig_ctx, const StatePrimitive *reference); 435 436 // ----------------------------------------------------------------------------- 437 // Differential Filtering Functions 438 // ----------------------------------------------------------------------------- 439 440 PetscErrorCode DifferentialFilterSetup(Ceed ceed, User user, CeedData ceed_data, ProblemData *problem); 441 PetscErrorCode DifferentialFilterDataDestroy(DiffFilterData diff_filter); 442 PetscErrorCode TSMonitor_DifferentialFilter(TS ts, PetscInt steps, PetscReal solution_time, Vec Q, void *ctx); 443 PetscErrorCode DifferentialFilterApply(User user, const PetscReal solution_time, const Vec Q, Vec Filtered_Solution); 444 PetscErrorCode DifferentialFilter_MMS_ICSetup(ProblemData *problem); 445 446 #endif // libceed_fluids_examples_navier_stokes_h 447