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 // libCEED + PETSc Example: Navier-Stokes 9 // 10 // This example demonstrates a simple usage of libCEED with PETSc to solve a 11 // Navier-Stokes problem. 12 // 13 // The code is intentionally "raw", using only low-level communication 14 // primitives. 15 // 16 // Build with: 17 // 18 // make [PETSC_DIR=</path/to/petsc>] [CEED_DIR=</path/to/libceed>] navierstokes 19 // 20 // Sample runs: 21 // 22 // ./navierstokes -ceed /cpu/self -problem density_current -degree 1 23 // ./navierstokes -ceed /gpu/cuda -problem advection -degree 1 24 // 25 //TESTARGS(name="blasius_STG") -ceed {ceed_resource} -test -options_file examples/fluids/tests-output/blasius_stgtest.yaml -compare_final_state_atol 2E-11 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-blasius_STG.bin 26 //TESTARGS(name="blasius_STG_weakT") -ceed {ceed_resource} -test -options_file examples/fluids/tests-output/blasius_stgtest.yaml -compare_final_state_atol 1E-11 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-blasius_STG_weakT.bin -weakT 27 //TESTARGS(name="blasius_STG_strongBC") -ceed {ceed_resource} -test -options_file examples/fluids/tests-output/blasius_stgtest.yaml -compare_final_state_atol 1E-10 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-blasius_STG_strongBC.bin -stg_strong true 28 //TESTARGS(name="channel") -ceed {ceed_resource} -test -options_file examples/fluids/channel.yaml -compare_final_state_atol 2e-11 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-channel.bin -dm_plex_box_faces 5,5,1 -ts_max_steps 5 29 //TESTARGS(name="channel-primitive") -ceed {ceed_resource} -test -options_file examples/fluids/channel.yaml -compare_final_state_atol 2e-11 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-channel-prim.bin -dm_plex_box_faces 5,5,1 -ts_max_steps 5 -primitive 30 //TESTARGS(name="dc_explicit") -ceed {ceed_resource} -test -degree 3 -dm_plex_box_faces 1,1,2 -dm_plex_box_lower 0,0,0 -dm_plex_box_upper 125,125,250 -dm_plex_dim 3 -bc_slip_x 5,6 -bc_slip_y 3,4 -bc_Slip_z 1,2 -units_kilogram 1e-9 -center 62.5,62.5,187.5 -rc 100. -thetaC -35. -mu 75 -ts_dt 1e-3 -units_meter 1e-2 -units_second 1e-2 -compare_final_state_atol 1E-11 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-dc-explicit.bin 31 //TESTARGS(name="dc_implicit_stab_none") -ceed {ceed_resource} -test -degree 3 -dm_plex_box_faces 1,1,2 -dm_plex_box_lower 0,0,0 -dm_plex_box_upper 125,125,250 -dm_plex_dim 3 -bc_slip_x 5,6 -bc_slip_y 3,4 -bc_Slip_z 1,2 -units_kilogram 1e-9 -center 62.5,62.5,187.5 -rc 100. -thetaC -35. -mu 75 -units_meter 1e-2 -units_second 1e-2 -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 32 //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 -dm_plex_box_lower 0,0,0 -dm_plex_box_upper 125,125,250 -dm_plex_dim 3 -bc_wall 1,2,3,4,5,6 -wall_comps 4 -units_kilogram 1e-9 -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 -dm_mat_preallocate_skip 0 -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 33 //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 -dm_plex_box_lower 0,0,0 -dm_plex_box_upper 125,125,250 -dm_plex_dim 3 -units_kilogram 1e-9 -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 -dm_mat_preallocate_skip 0 -ts_type alpha -wind_type translation -wind_translation .53,-1.33,-2.65 -bc_inflow 1,2,3,4,5,6 -compare_final_state_atol 5E-4 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-adv-translation-implicit-stab-su.bin 34 //TESTARGS(name="adv2d_rotation_explicit_strong") -ceed {ceed_resource} -test -problem advection2d -strong_form 1 -degree 3 -dm_plex_box_faces 2,2 -dm_plex_box_lower 0,0 -dm_plex_box_upper 125,125 -bc_wall 1,2,3,4 -wall_comps 4 -units_kilogram 1e-9 -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 35 //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 -dm_plex_box_lower 0,0 -dm_plex_box_upper 125,125 -bc_wall 1,2,3,4 -wall_comps 4 -units_kilogram 1e-9 -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 -dm_mat_preallocate_skip 0 -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 36 //TESTARGS(name="euler_implicit") -ceed {ceed_resource} -test -problem euler_vortex -degree 3 -dm_plex_box_faces 1,1,2 -dm_plex_box_lower 0,0,0 -dm_plex_box_upper 125,125,250 -dm_plex_dim 3 -units_meter 1e-4 -units_second 1e-4 -mean_velocity 1.4,-2.,0 -bc_inflow 4,6 -bc_outflow 3,5 -bc_slip_z 1,2 -vortex_strength 2 -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 -dm_mat_preallocate_skip 0 -ts_type alpha -compare_final_state_atol 5E-4 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-euler-implicit.bin 37 //TESTARGS(name="euler_explicit") -ceed {ceed_resource} -test -problem euler_vortex -degree 3 -dm_plex_box_faces 2,2,1 -dm_plex_box_lower 0,0,0 -dm_plex_box_upper 125,125,250 -dm_plex_dim 3 -units_meter 1e-4 -units_second 1e-4 -mean_velocity 1.4,-2.,0 -bc_inflow 4,6 -bc_outflow 3,5 -bc_slip_z 1,2 -vortex_strength 2 -ts_dt 1e-7 -ts_rk_type 5bs -ts_rtol 1e-10 -ts_atol 1e-10 -compare_final_state_atol 1E-7 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-euler-explicit.bin 38 //TESTARGS(name="shocktube_explicit_su_yzb") -ceed {ceed_resource} -test -problem shocktube -degree 1 -dm_plex_box_faces 50,1,1 -units_meter 1e-2 units_second 1e-2 -dm_plex_box_lower 0,0,0 -dm_plex_box_upper 1000,20,20 -dm_plex_dim 3 -bc_slip_x 5,6 -bc_slip_y 3,4 -bc_Slip_z 1,2 -yzb -stab su -compare_final_state_atol 1E-11 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-shocktube-explicit-su-yzb.bin 39 40 /// @file 41 /// Navier-Stokes example using PETSc 42 43 const char help[] = "Solve Navier-Stokes using PETSc and libCEED\n"; 44 45 #include "navierstokes.h" 46 47 int main(int argc, char **argv) { 48 // --------------------------------------------------------------------------- 49 // Initialize PETSc 50 // --------------------------------------------------------------------------- 51 PetscInt ierr; 52 ierr = PetscInitialize(&argc, &argv, NULL, help); 53 if (ierr) return ierr; 54 55 // --------------------------------------------------------------------------- 56 // Create structs 57 // --------------------------------------------------------------------------- 58 AppCtx app_ctx; 59 ierr = PetscCalloc1(1, &app_ctx); CHKERRQ(ierr); 60 61 ProblemData *problem = NULL; 62 ierr = PetscCalloc1(1, &problem); CHKERRQ(ierr); 63 64 User user; 65 ierr = PetscCalloc1(1, &user); CHKERRQ(ierr); 66 67 CeedData ceed_data; 68 ierr = PetscCalloc1(1, &ceed_data); CHKERRQ(ierr); 69 70 SimpleBC bc; 71 ierr = PetscCalloc1(1, &bc); CHKERRQ(ierr); 72 73 Physics phys_ctx; 74 ierr = PetscCalloc1(1, &phys_ctx); CHKERRQ(ierr); 75 76 Units units; 77 ierr = PetscCalloc1(1, &units); CHKERRQ(ierr); 78 79 user->app_ctx = app_ctx; 80 user->units = units; 81 user->phys = phys_ctx; 82 problem->bc_from_ics = PETSC_TRUE; 83 84 // --------------------------------------------------------------------------- 85 // Process command line options 86 // --------------------------------------------------------------------------- 87 // -- Register problems to be available on the command line 88 ierr = RegisterProblems_NS(app_ctx); CHKERRQ(ierr); 89 90 // -- Process general command line options 91 MPI_Comm comm = PETSC_COMM_WORLD; 92 user->comm = comm; 93 ierr = ProcessCommandLineOptions(comm, app_ctx, bc); CHKERRQ(ierr); 94 95 // --------------------------------------------------------------------------- 96 // Initialize libCEED 97 // --------------------------------------------------------------------------- 98 // -- Initialize backend 99 Ceed ceed; 100 CeedInit(app_ctx->ceed_resource, &ceed); 101 user->ceed = ceed; 102 103 // -- Check preferred MemType 104 CeedMemType mem_type_backend; 105 CeedGetPreferredMemType(ceed, &mem_type_backend); 106 107 // --------------------------------------------------------------------------- 108 // Set up global mesh 109 // --------------------------------------------------------------------------- 110 // -- Create DM 111 DM dm; 112 VecType vec_type = NULL; 113 MatType mat_type = NULL; 114 switch (mem_type_backend) { 115 case CEED_MEM_HOST: vec_type = VECSTANDARD; break; 116 case CEED_MEM_DEVICE: { 117 const char *resolved; 118 CeedGetResource(ceed, &resolved); 119 if (strstr(resolved, "/gpu/cuda")) vec_type = VECCUDA; 120 else if (strstr(resolved, "/gpu/hip")) vec_type = VECKOKKOS; 121 else vec_type = VECSTANDARD; 122 } 123 } 124 if (strstr(vec_type, VECCUDA)) mat_type = MATAIJCUSPARSE; 125 else if (strstr(vec_type, VECKOKKOS)) mat_type = MATAIJKOKKOS; 126 else mat_type = MATAIJ; 127 ierr = CreateDM(comm, problem, mat_type, vec_type, &dm); CHKERRQ(ierr); 128 user->dm = dm; 129 PetscCall(DMSetApplicationContext(dm, user)); 130 131 // --------------------------------------------------------------------------- 132 // Choose the problem from the list of registered problems 133 // --------------------------------------------------------------------------- 134 { 135 PetscErrorCode (*p)(ProblemData *, DM, void *); 136 ierr = PetscFunctionListFind(app_ctx->problems, app_ctx->problem_name, &p); 137 CHKERRQ(ierr); 138 if (!p) SETERRQ(PETSC_COMM_SELF, 1, "Problem '%s' not found", 139 app_ctx->problem_name); 140 ierr = (*p)(problem, dm, &user); CHKERRQ(ierr); 141 } 142 143 // -- Set up DM 144 ierr = SetUpDM(dm, problem, app_ctx->degree, bc, phys_ctx); 145 CHKERRQ(ierr); 146 147 // -- Refine DM for high-order viz 148 if (app_ctx->viz_refine) { 149 ierr = VizRefineDM(dm, user, problem, bc, phys_ctx); 150 CHKERRQ(ierr); 151 } 152 153 // --------------------------------------------------------------------------- 154 // Set up libCEED 155 // --------------------------------------------------------------------------- 156 // -- Set up libCEED objects 157 ierr = SetupLibceed(ceed, ceed_data, dm, user, app_ctx, problem, bc); 158 CHKERRQ(ierr); 159 160 // --------------------------------------------------------------------------- 161 // Set up ICs 162 // --------------------------------------------------------------------------- 163 // -- Set up global state vector Q 164 Vec Q; 165 ierr = DMCreateGlobalVector(dm, &Q); CHKERRQ(ierr); 166 ierr = VecZeroEntries(Q); CHKERRQ(ierr); 167 168 // -- Set up local state vectors Q_loc, Q_dot_loc 169 ierr = DMCreateLocalVector(dm, &user->Q_loc); CHKERRQ(ierr); 170 ierr = DMCreateLocalVector(dm, &user->Q_dot_loc); CHKERRQ(ierr); 171 ierr = VecZeroEntries(user->Q_dot_loc); CHKERRQ(ierr); 172 173 // -- Fix multiplicity for ICs 174 ierr = ICs_FixMultiplicity(dm, ceed_data, user, user->Q_loc, Q, 0.0); 175 CHKERRQ(ierr); 176 177 // --------------------------------------------------------------------------- 178 // Set up lumped mass matrix 179 // --------------------------------------------------------------------------- 180 // -- Set up global mass vector 181 ierr = VecDuplicate(Q, &user->M); CHKERRQ(ierr); 182 183 // -- Compute lumped mass matrix 184 ierr = ComputeLumpedMassMatrix(ceed, dm, ceed_data, user->M); CHKERRQ(ierr); 185 186 // --------------------------------------------------------------------------- 187 // Record boundary values from initial condition 188 // --------------------------------------------------------------------------- 189 // -- This overrides DMPlexInsertBoundaryValues(). 190 // We use this for the main simulation DM because the reference 191 // DMPlexInsertBoundaryValues() is very slow. If we disable this, we should 192 // still get the same results due to the problem->bc function, but with 193 // potentially much slower execution. 194 if (problem->bc_from_ics) { 195 ierr = SetBCsFromICs_NS(dm, Q, user->Q_loc); CHKERRQ(ierr); 196 } 197 198 // --------------------------------------------------------------------------- 199 // Create output directory 200 // --------------------------------------------------------------------------- 201 PetscMPIInt rank; 202 MPI_Comm_rank(comm, &rank); 203 if (!rank) {ierr = PetscMkdir(app_ctx->output_dir); CHKERRQ(ierr);} 204 205 // --------------------------------------------------------------------------- 206 // Gather initial Q values in case of continuation of simulation 207 // --------------------------------------------------------------------------- 208 // -- Set up initial values from binary file 209 if (app_ctx->cont_steps) { 210 ierr = SetupICsFromBinary(comm, app_ctx, Q); CHKERRQ(ierr); 211 } 212 213 // --------------------------------------------------------------------------- 214 // Print problem summary 215 // --------------------------------------------------------------------------- 216 if (!app_ctx->test_mode) { 217 // Header and rank 218 char host_name[PETSC_MAX_PATH_LEN]; 219 int comm_size; 220 ierr = PetscGetHostName(host_name, sizeof host_name); CHKERRQ(ierr); 221 ierr = MPI_Comm_size(comm, &comm_size); CHKERRQ(ierr); 222 ierr = PetscPrintf(comm, 223 "\n-- Navier-Stokes solver - libCEED + PETSc --\n" 224 " MPI:\n" 225 " Host Name : %s\n" 226 " Total ranks : %d\n", 227 host_name, comm_size); CHKERRQ(ierr); 228 229 // Problem specific info 230 ierr = problem->print_info(problem, app_ctx); CHKERRQ(ierr); 231 232 // libCEED 233 const char *used_resource; 234 CeedGetResource(ceed, &used_resource); 235 ierr = PetscPrintf(comm, 236 " libCEED:\n" 237 " libCEED Backend : %s\n" 238 " libCEED Backend MemType : %s\n", 239 used_resource, CeedMemTypes[mem_type_backend]); CHKERRQ(ierr); 240 // PETSc 241 char box_faces_str[PETSC_MAX_PATH_LEN] = "3,3,3"; 242 if (problem->dim == 2) box_faces_str[3] = '\0'; 243 ierr = PetscOptionsGetString(NULL, NULL, "-dm_plex_box_faces", box_faces_str, 244 sizeof(box_faces_str), NULL); CHKERRQ(ierr); 245 MatType mat_type; 246 VecType vec_type; 247 ierr = DMGetMatType(dm, &mat_type); CHKERRQ(ierr); 248 ierr = DMGetVecType(dm, &vec_type); CHKERRQ(ierr); 249 ierr = PetscPrintf(comm, 250 " PETSc:\n" 251 " Box Faces : %s\n" 252 " DM MatType : %s\n" 253 " DM VecType : %s\n" 254 " Time Stepping Scheme : %s\n", 255 box_faces_str, mat_type, vec_type, 256 phys_ctx->implicit ? "implicit" : "explicit"); CHKERRQ(ierr); 257 // Mesh 258 const PetscInt num_comp_q = 5; 259 CeedInt glob_dofs, owned_dofs; 260 PetscInt glob_nodes, owned_nodes; 261 const CeedInt num_P = app_ctx->degree + 1, 262 num_Q = num_P + app_ctx->q_extra; 263 // -- Get global size 264 ierr = VecGetSize(Q, &glob_dofs); CHKERRQ(ierr); 265 ierr = VecGetLocalSize(Q, &owned_dofs); CHKERRQ(ierr); 266 glob_nodes = glob_dofs/num_comp_q; 267 // -- Get local size 268 ierr = VecGetSize(user->Q_loc, &owned_nodes); CHKERRQ(ierr); 269 owned_nodes /= num_comp_q; 270 ierr = PetscPrintf(comm, 271 " Mesh:\n" 272 " Number of 1D Basis Nodes (P) : %" CeedInt_FMT "\n" 273 " Number of 1D Quadrature Points (Q) : %" CeedInt_FMT "\n" 274 " Global DoFs : %" PetscInt_FMT "\n" 275 " Owned DoFs : %" PetscInt_FMT "\n" 276 " DoFs per node : %" PetscInt_FMT "\n" 277 " Global nodes : %" PetscInt_FMT "\n" 278 " Owned nodes : %" PetscInt_FMT "\n", 279 num_P, num_Q, glob_dofs, owned_dofs, num_comp_q, 280 glob_nodes, owned_nodes); CHKERRQ(ierr); 281 } 282 // -- Zero Q_loc 283 ierr = VecZeroEntries(user->Q_loc); CHKERRQ(ierr); 284 285 // --------------------------------------------------------------------------- 286 // TS: Create, setup, and solve 287 // --------------------------------------------------------------------------- 288 TS ts; 289 PetscScalar final_time; 290 ierr = TSSolve_NS(dm, user, app_ctx, phys_ctx, &Q, &final_time, &ts); 291 CHKERRQ(ierr); 292 293 // --------------------------------------------------------------------------- 294 // Post-processing 295 // --------------------------------------------------------------------------- 296 ierr = PostProcess_NS(ts, ceed_data, dm, problem, user, Q, final_time); 297 CHKERRQ(ierr); 298 299 // --------------------------------------------------------------------------- 300 // Destroy libCEED objects 301 // --------------------------------------------------------------------------- 302 // -- Vectors 303 CeedVectorDestroy(&ceed_data->x_coord); 304 CeedVectorDestroy(&ceed_data->q_data); 305 CeedVectorDestroy(&user->q_ceed); 306 CeedVectorDestroy(&user->q_dot_ceed); 307 CeedVectorDestroy(&user->g_ceed); 308 CeedVectorDestroy(&user->coo_values_amat); 309 CeedVectorDestroy(&user->coo_values_pmat); 310 311 // -- QFunctions 312 CeedQFunctionDestroy(&ceed_data->qf_setup_vol); 313 CeedQFunctionDestroy(&ceed_data->qf_ics); 314 CeedQFunctionDestroy(&ceed_data->qf_rhs_vol); 315 CeedQFunctionDestroy(&ceed_data->qf_ifunction_vol); 316 CeedQFunctionDestroy(&ceed_data->qf_setup_sur); 317 CeedQFunctionDestroy(&ceed_data->qf_apply_inflow); 318 CeedQFunctionDestroy(&ceed_data->qf_apply_inflow_jacobian); 319 CeedQFunctionDestroy(&ceed_data->qf_apply_outflow); 320 CeedQFunctionDestroy(&ceed_data->qf_apply_outflow_jacobian); 321 322 // -- Bases 323 CeedBasisDestroy(&ceed_data->basis_q); 324 CeedBasisDestroy(&ceed_data->basis_x); 325 CeedBasisDestroy(&ceed_data->basis_xc); 326 CeedBasisDestroy(&ceed_data->basis_q_sur); 327 CeedBasisDestroy(&ceed_data->basis_x_sur); 328 329 // -- Restrictions 330 CeedElemRestrictionDestroy(&ceed_data->elem_restr_q); 331 CeedElemRestrictionDestroy(&ceed_data->elem_restr_x); 332 CeedElemRestrictionDestroy(&ceed_data->elem_restr_qd_i); 333 334 // -- Operators 335 CeedOperatorDestroy(&ceed_data->op_setup_vol); 336 CeedOperatorDestroy(&ceed_data->op_ics); 337 CeedOperatorDestroy(&user->op_rhs_vol); 338 CeedOperatorDestroy(&user->op_ifunction_vol); 339 CeedOperatorDestroy(&user->op_rhs); 340 CeedOperatorDestroy(&user->op_ifunction); 341 CeedOperatorDestroy(&user->op_ijacobian); 342 343 // -- Ceed 344 CeedDestroy(&ceed); 345 346 // --------------------------------------------------------------------------- 347 // Clean up PETSc 348 // --------------------------------------------------------------------------- 349 // -- Vectors 350 ierr = VecDestroy(&Q); CHKERRQ(ierr); 351 ierr = VecDestroy(&user->M); CHKERRQ(ierr); 352 ierr = VecDestroy(&user->Q_loc); CHKERRQ(ierr); 353 ierr = VecDestroy(&user->Q_dot_loc); CHKERRQ(ierr); 354 355 // -- Matrices 356 ierr = MatDestroy(&user->interp_viz); CHKERRQ(ierr); 357 358 // -- DM 359 ierr = DMDestroy(&dm); CHKERRQ(ierr); 360 ierr = DMDestroy(&user->dm_viz); CHKERRQ(ierr); 361 362 // -- TS 363 ierr = TSDestroy(&ts); CHKERRQ(ierr); 364 365 // -- Function list 366 ierr = PetscFunctionListDestroy(&app_ctx->problems); CHKERRQ(ierr); 367 368 PetscCall(PetscFree(app_ctx->amat_type)); 369 370 // -- Structs 371 ierr = PetscFree(units); CHKERRQ(ierr); 372 ierr = PetscFree(user); CHKERRQ(ierr); 373 ierr = PetscFree(problem); CHKERRQ(ierr); 374 ierr = PetscFree(bc); CHKERRQ(ierr); 375 ierr = PetscFree(phys_ctx); CHKERRQ(ierr); 376 ierr = PetscFree(app_ctx); CHKERRQ(ierr); 377 ierr = PetscFree(ceed_data); CHKERRQ(ierr); 378 379 return PetscFinalize(); 380 } 381