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 18 #include "./include/matops.h" 19 #include "qfunctions/newtonian_types.h" 20 #include "qfunctions/stabilization_types.h" 21 22 // ----------------------------------------------------------------------------- 23 // PETSc Version 24 // ----------------------------------------------------------------------------- 25 #if PETSC_VERSION_LT(3, 17, 0) 26 #error "PETSc v3.17 or later is required" 27 #endif 28 29 // ----------------------------------------------------------------------------- 30 // Enums 31 // ----------------------------------------------------------------------------- 32 // Translate PetscMemType to CeedMemType 33 static inline CeedMemType MemTypeP2C(PetscMemType mem_type) { return PetscMemTypeDevice(mem_type) ? CEED_MEM_DEVICE : CEED_MEM_HOST; } 34 35 // Advection - Wind Options 36 typedef enum { 37 WIND_ROTATION = 0, 38 WIND_TRANSLATION = 1, 39 } WindType; 40 static const char *const WindTypes[] = {"rotation", "translation", "WindType", "WIND_", NULL}; 41 42 // Advection - Bubble Types 43 typedef enum { 44 BUBBLE_SPHERE = 0, // dim=3 45 BUBBLE_CYLINDER = 1, // dim=2 46 } BubbleType; 47 static const char *const BubbleTypes[] = {"sphere", "cylinder", "BubbleType", "BUBBLE_", NULL}; 48 49 // Advection - Bubble Continuity Types 50 typedef enum { 51 BUBBLE_CONTINUITY_SMOOTH = 0, // Original continuous, smooth shape 52 BUBBLE_CONTINUITY_BACK_SHARP = 1, // Discontinuous, sharp back half shape 53 BUBBLE_CONTINUITY_THICK = 2, // Define a finite thickness 54 } BubbleContinuityType; 55 static const char *const BubbleContinuityTypes[] = {"smooth", "back_sharp", "thick", "BubbleContinuityType", "BUBBLE_CONTINUITY_", NULL}; 56 57 // Euler - test cases 58 typedef enum { 59 EULER_TEST_ISENTROPIC_VORTEX = 0, 60 EULER_TEST_1 = 1, 61 EULER_TEST_2 = 2, 62 EULER_TEST_3 = 3, 63 EULER_TEST_4 = 4, 64 EULER_TEST_5 = 5, 65 } EulerTestType; 66 static const char *const EulerTestTypes[] = {"isentropic_vortex", "test_1", "test_2", "test_3", "test_4", "test_5", 67 "EulerTestType", "EULER_TEST_", NULL}; 68 69 // Stabilization methods 70 static const char *const StabilizationTypes[] = {"none", "SU", "SUPG", "StabilizationType", "STAB_", NULL}; 71 72 // ----------------------------------------------------------------------------- 73 // Structs 74 // ----------------------------------------------------------------------------- 75 // Structs declarations 76 typedef struct AppCtx_private *AppCtx; 77 typedef struct CeedData_private *CeedData; 78 typedef struct User_private *User; 79 typedef struct Units_private *Units; 80 typedef struct SimpleBC_private *SimpleBC; 81 typedef struct Physics_private *Physics; 82 83 // Application context from user command line options 84 struct AppCtx_private { 85 // libCEED arguments 86 char ceed_resource[PETSC_MAX_PATH_LEN]; // libCEED backend 87 PetscInt degree; 88 PetscInt q_extra; 89 // Solver arguments 90 MatType amat_type; 91 PetscBool pmat_pbdiagonal; 92 // Post-processing arguments 93 PetscInt checkpoint_interval; 94 PetscInt viz_refine; 95 PetscInt cont_steps; 96 PetscReal cont_time; 97 char cont_file[PETSC_MAX_PATH_LEN]; 98 char cont_time_file[PETSC_MAX_PATH_LEN]; 99 char output_dir[PETSC_MAX_PATH_LEN]; 100 PetscBool add_stepnum2bin; 101 PetscBool checkpoint_vtk; 102 // Problem type arguments 103 PetscFunctionList problems; 104 char problem_name[PETSC_MAX_PATH_LEN]; 105 // Test mode arguments 106 PetscBool test_mode; 107 PetscScalar test_tol; 108 char file_path[PETSC_MAX_PATH_LEN]; 109 // Statistics 110 PetscBool stats_enable; 111 PetscBool stats_test; 112 PetscInt stats_collect_interval; 113 PetscInt stats_viewer_interval; 114 PetscViewer stats_viewer; 115 PetscViewerFormat stats_viewer_format; 116 }; 117 118 // libCEED data struct 119 struct CeedData_private { 120 CeedVector x_coord, q_data; 121 CeedBasis basis_x, basis_xc, basis_q, basis_x_sur, basis_q_sur, basis_xc_sur; 122 CeedElemRestriction elem_restr_x, elem_restr_q, elem_restr_qd_i; 123 CeedOperator op_setup_vol, op_ics; 124 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, 125 qf_apply_outflow_jacobian, qf_apply_freestream, qf_apply_freestream_jacobian; 126 struct { 127 CeedElemRestriction elem_restr_parent_x, elem_restr_parent_stats, elem_restr_parent_qd, elem_restr_parent_colloc, elem_restr_child_colloc; 128 CeedBasis basis_x, basis_stats; 129 CeedVector x_coord, q_data; 130 CeedQFunction qf_stats_collect, qf_stats_proj; 131 } spanstats; 132 }; 133 134 typedef struct { 135 DM dm; 136 PetscSF sf; // For communicating child data to parents 137 CeedOperator op_stats_collect, op_stats_proj; 138 PetscInt num_comp_stats; 139 CeedVector child_inst_stats, child_stats, parent_stats; // collocated statistics data 140 CeedVector rhs_ceed, x_ceed, y_ceed; 141 Vec M_inv; // Lumped Mass matrix inverse 142 MatopApplyContext M_ctx, test_error_ctx; 143 KSP ksp; // For the L^2 projection solve 144 CeedScalar span_width; // spanwise width of the child domain 145 PetscScalar prev_time; 146 } Span_Stats; 147 148 // PETSc user data 149 struct User_private { 150 MPI_Comm comm; 151 DM dm; 152 DM dm_viz; 153 Mat interp_viz; 154 Ceed ceed; 155 Units units; 156 Vec M, Q_loc, Q_dot_loc; 157 Physics phys; 158 AppCtx app_ctx; 159 CeedVector q_ceed, q_dot_ceed, g_ceed, coo_values_amat, coo_values_pmat, x_ceed; 160 CeedOperator op_rhs_vol, op_rhs, op_ifunction_vol, op_ifunction, op_ijacobian, op_dirichlet; 161 bool matrices_set_up; 162 CeedScalar time, dt, time_bc_set; 163 Span_Stats spanstats; 164 }; 165 166 // Units 167 struct Units_private { 168 // fundamental units 169 PetscScalar meter; 170 PetscScalar kilogram; 171 PetscScalar second; 172 PetscScalar Kelvin; 173 // derived units 174 PetscScalar Pascal; 175 PetscScalar J_per_kg_K; 176 PetscScalar m_per_squared_s; 177 PetscScalar W_per_m_K; 178 PetscScalar Joule; 179 }; 180 181 // Boundary conditions 182 struct SimpleBC_private { 183 PetscInt num_wall, // Number of faces with wall BCs 184 wall_comps[5], // An array of constrained component numbers 185 num_comps, 186 num_slip[3], // Number of faces with slip BCs 187 num_inflow, num_outflow, num_freestream; 188 PetscInt walls[16], slips[3][16], inflows[16], outflows[16], freestreams[16]; 189 PetscBool user_bc; 190 }; 191 192 // Struct that contains all enums and structs used for the physics of all problems 193 struct Physics_private { 194 WindType wind_type; 195 BubbleType bubble_type; 196 BubbleContinuityType bubble_continuity_type; 197 EulerTestType euler_test; 198 StabilizationType stab; 199 PetscBool implicit; 200 StateVariable state_var; 201 PetscBool has_curr_time; 202 PetscBool has_neumann; 203 CeedContextFieldLabel solution_time_label; 204 CeedContextFieldLabel stg_solution_time_label; 205 CeedContextFieldLabel timestep_size_label; 206 CeedContextFieldLabel ics_time_label; 207 CeedContextFieldLabel ijacobian_time_shift_label; 208 }; 209 210 typedef struct { 211 CeedQFunctionUser qfunction; 212 const char *qfunction_loc; 213 CeedQFunctionContext qfunction_context; 214 } ProblemQFunctionSpec; 215 216 // Problem specific data 217 typedef struct ProblemData_private ProblemData; 218 struct ProblemData_private { 219 CeedInt dim, q_data_size_vol, q_data_size_sur, jac_data_size_sur; 220 CeedScalar dm_scale; 221 ProblemQFunctionSpec setup_vol, setup_sur, ics, apply_vol_rhs, apply_vol_ifunction, apply_vol_ijacobian, apply_inflow, apply_outflow, 222 apply_freestream, apply_inflow_jacobian, apply_outflow_jacobian, apply_freestream_jacobian; 223 bool non_zero_time; 224 PetscErrorCode (*bc)(PetscInt, PetscReal, const PetscReal[], PetscInt, PetscScalar[], void *); 225 void *bc_ctx; 226 PetscBool bc_from_ics, use_dirichlet_ceed; 227 PetscErrorCode (*print_info)(ProblemData *, AppCtx); 228 }; 229 230 extern int FreeContextPetsc(void *); 231 232 // ----------------------------------------------------------------------------- 233 // Set up problems 234 // ----------------------------------------------------------------------------- 235 // Set up function for each problem 236 extern PetscErrorCode NS_NEWTONIAN_WAVE(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 237 extern PetscErrorCode NS_CHANNEL(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 238 extern PetscErrorCode NS_BLASIUS(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 239 extern PetscErrorCode NS_NEWTONIAN_IG(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 240 extern PetscErrorCode NS_DENSITY_CURRENT(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 241 extern PetscErrorCode NS_EULER_VORTEX(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 242 extern PetscErrorCode NS_SHOCKTUBE(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 243 extern PetscErrorCode NS_ADVECTION(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 244 extern PetscErrorCode NS_ADVECTION2D(ProblemData *problem, DM dm, void *ctx, SimpleBC bc); 245 246 // Print function for each problem 247 extern PetscErrorCode PRINT_NEWTONIAN(ProblemData *problem, AppCtx app_ctx); 248 249 extern PetscErrorCode PRINT_EULER_VORTEX(ProblemData *problem, AppCtx app_ctx); 250 251 extern PetscErrorCode PRINT_SHOCKTUBE(ProblemData *problem, AppCtx app_ctx); 252 253 extern PetscErrorCode PRINT_ADVECTION(ProblemData *problem, AppCtx app_ctx); 254 255 extern PetscErrorCode PRINT_ADVECTION2D(ProblemData *problem, AppCtx app_ctx); 256 257 // ----------------------------------------------------------------------------- 258 // libCEED functions 259 // ----------------------------------------------------------------------------- 260 // Utility function - essential BC dofs are encoded in closure indices as -(i+1). 261 PetscInt Involute(PetscInt i); 262 263 // Utility function to create local CEED restriction 264 PetscErrorCode CreateRestrictionFromPlex(Ceed ceed, DM dm, CeedInt height, DMLabel domain_label, CeedInt value, CeedElemRestriction *elem_restr); 265 266 // Utility function to get Ceed Restriction for each domain 267 PetscErrorCode GetRestrictionForDomain(Ceed ceed, DM dm, CeedInt height, DMLabel domain_label, PetscInt value, CeedInt Q, CeedInt q_data_size, 268 CeedElemRestriction *elem_restr_q, CeedElemRestriction *elem_restr_x, CeedElemRestriction *elem_restr_qd_i); 269 270 // Utility function to create CEED Composite Operator for the entire domain 271 PetscErrorCode CreateOperatorForDomain(Ceed ceed, DM dm, SimpleBC bc, CeedData ceed_data, Physics phys, CeedOperator op_apply_vol, 272 CeedOperator op_apply_ijacobian_vol, CeedInt height, CeedInt P_sur, CeedInt Q_sur, CeedInt q_data_size_sur, 273 CeedInt jac_data_size_sur, CeedOperator *op_apply, CeedOperator *op_apply_ijacobian); 274 275 PetscErrorCode SetupLibceed(Ceed ceed, CeedData ceed_data, DM dm, User user, AppCtx app_ctx, ProblemData *problem, SimpleBC bc); 276 277 // ----------------------------------------------------------------------------- 278 // Time-stepping functions 279 // ----------------------------------------------------------------------------- 280 // Compute mass matrix for explicit scheme 281 PetscErrorCode ComputeLumpedMassMatrix(Ceed ceed, DM dm, CeedData ceed_data, Vec M); 282 283 // RHS (Explicit time-stepper) function setup 284 PetscErrorCode RHS_NS(TS ts, PetscReal t, Vec Q, Vec G, void *user_data); 285 286 // Implicit time-stepper function setup 287 PetscErrorCode IFunction_NS(TS ts, PetscReal t, Vec Q, Vec Q_dot, Vec G, void *user_data); 288 289 // User provided TS Monitor 290 PetscErrorCode TSMonitor_NS(TS ts, PetscInt step_no, PetscReal time, Vec Q, void *ctx); 291 292 // TS: Create, setup, and solve 293 PetscErrorCode TSSolve_NS(DM dm, User user, AppCtx app_ctx, Physics phys, Vec *Q, PetscScalar *f_time, TS *ts); 294 295 // Update Boundary Values when time has changed 296 PetscErrorCode UpdateBoundaryValues(User user, Vec Q_loc, PetscReal t); 297 298 // ----------------------------------------------------------------------------- 299 // Setup DM 300 // ----------------------------------------------------------------------------- 301 // Create mesh 302 PetscErrorCode CreateDM(MPI_Comm comm, ProblemData *problem, MatType, VecType, DM *dm); 303 304 // Set up DM 305 PetscErrorCode SetUpDM(DM dm, ProblemData *problem, PetscInt degree, SimpleBC bc, Physics phys); 306 307 // Refine DM for high-order viz 308 PetscErrorCode VizRefineDM(DM dm, User user, ProblemData *problem, SimpleBC bc, Physics phys); 309 310 // ----------------------------------------------------------------------------- 311 // Process command line options 312 // ----------------------------------------------------------------------------- 313 // Register problems to be available on the command line 314 PetscErrorCode RegisterProblems_NS(AppCtx app_ctx); 315 316 // Process general command line options 317 PetscErrorCode ProcessCommandLineOptions(MPI_Comm comm, AppCtx app_ctx, SimpleBC bc); 318 319 // ----------------------------------------------------------------------------- 320 // Miscellaneous utility functions 321 // ----------------------------------------------------------------------------- 322 PetscErrorCode ICs_FixMultiplicity(DM dm, CeedData ceed_data, User user, Vec Q_loc, Vec Q, CeedScalar time); 323 324 PetscErrorCode DMPlexInsertBoundaryValues_NS(DM dm, PetscBool insert_essential, Vec Q_loc, PetscReal time, Vec face_geom_FVM, Vec cell_geom_FVM, 325 Vec grad_FVM); 326 327 // Compare reference solution values with current test run for CI 328 PetscErrorCode RegressionTests_NS(AppCtx app_ctx, Vec Q); 329 330 // Get error for problems with exact solutions 331 PetscErrorCode GetError_NS(CeedData ceed_data, DM dm, User user, Vec Q, PetscScalar final_time); 332 333 // Post-processing 334 PetscErrorCode PostProcess_NS(TS ts, CeedData ceed_data, DM dm, ProblemData *problem, User user, Vec Q, PetscScalar final_time); 335 336 // -- Gather initial Q values in case of continuation of simulation 337 PetscErrorCode SetupICsFromBinary(MPI_Comm comm, AppCtx app_ctx, Vec Q); 338 339 // Record boundary values from initial condition 340 PetscErrorCode SetBCsFromICs_NS(DM dm, Vec Q, Vec Q_loc); 341 342 // Versioning token for binary checkpoints 343 extern const PetscInt FLUIDS_FILE_TOKEN; 344 345 // Create appropriate mass qfunction based on number of components N 346 PetscErrorCode CreateMassQFunction(Ceed ceed, CeedInt N, CeedInt q_data_size, CeedQFunction *qf); 347 348 PetscErrorCode CreateStatsDM(User user, ProblemData *problem, PetscInt degree, SimpleBC bc); 349 350 PetscErrorCode SetupStatsCollection(Ceed ceed, User user, CeedData ceed_data, ProblemData *problem); 351 352 PetscErrorCode TSMonitor_Statistics(TS ts, PetscInt steps, PetscReal solution_time, Vec Q, void *ctx); 353 354 PetscErrorCode CleanupStats(User user, CeedData ceed_data); 355 356 // ----------------------------------------------------------------------------- 357 // Boundary Condition Related Functions 358 // ----------------------------------------------------------------------------- 359 360 // Setup StrongBCs that use QFunctions 361 PetscErrorCode SetupStrongBC_Ceed(Ceed ceed, CeedData ceed_data, DM dm, User user, AppCtx app_ctx, ProblemData *problem, SimpleBC bc, CeedInt Q_sur, 362 CeedInt q_data_size_sur); 363 364 PetscErrorCode FreestreamBCSetup(ProblemData *problem, DM dm, void *ctx, NewtonianIdealGasContext newtonian_ig_ctx, const StatePrimitive *reference); 365 PetscErrorCode OutflowBCSetup(ProblemData *problem, DM dm, void *ctx, NewtonianIdealGasContext newtonian_ig_ctx, const StatePrimitive *reference); 366 367 #endif // libceed_fluids_examples_navier_stokes_h 368