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="channel") -ceed {ceed_resource} -test -options_file examples/fluids/channel.yaml -compare_final_state_atol 1E-11 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-channel.bin 26 //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 27 //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 28 //TESTARGS(name="adv_rotation_explicit_strong") -ceed {ceed_resource} -test -problem advection -strong_form 1 -degree 3 -dm_plex_box_faces 2,2,2 -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. -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 29 //TESTARGS(name="adv_rotation_implicit_sharp_cylinder") -ceed {ceed_resource} -test -problem advection -bubble_type cylinder -bubble_continuity back_sharp -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_z 1,2 -bc_wall 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 -ts_type alpha -compare_final_state_atol 5E-4 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-adv-rotation-implicit-sharp-cylinder.bin 30 //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 -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 31 //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 -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 32 //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 33 //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 -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 34 //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 -dm_plex_box_lower 0,0 -dm_plex_box_upper 125,125 -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 -ts_type alpha -wind_type translation -wind_translation .53,-1.33,0 -bc_inflow 1,2,3,4 -compare_final_state_atol 5E-4 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-adv2d-translation-implicit-stab-su.bin 35 //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 -ts_type alpha -compare_final_state_atol 5E-4 -compare_final_state_filename examples/fluids/tests-output/fluids-navierstokes-euler-implicit.bin 36 //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 37 //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 38 //TESTARGS(name="blasius_STG") -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.bin 39 //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 40 41 /// @file 42 /// Navier-Stokes example using PETSc 43 44 const char help[] = "Solve Navier-Stokes using PETSc and libCEED\n"; 45 46 #include "navierstokes.h" 47 48 int main(int argc, char **argv) { 49 // --------------------------------------------------------------------------- 50 // Initialize PETSc 51 // --------------------------------------------------------------------------- 52 PetscInt ierr; 53 ierr = PetscInitialize(&argc, &argv, NULL, help); 54 if (ierr) return ierr; 55 56 // --------------------------------------------------------------------------- 57 // Create structs 58 // --------------------------------------------------------------------------- 59 AppCtx app_ctx; 60 ierr = PetscCalloc1(1, &app_ctx); CHKERRQ(ierr); 61 62 ProblemData *problem = NULL; 63 ierr = PetscCalloc1(1, &problem); CHKERRQ(ierr); 64 65 User user; 66 ierr = PetscCalloc1(1, &user); CHKERRQ(ierr); 67 68 CeedData ceed_data; 69 ierr = PetscCalloc1(1, &ceed_data); CHKERRQ(ierr); 70 71 SimpleBC bc; 72 ierr = PetscCalloc1(1, &bc); CHKERRQ(ierr); 73 74 Physics phys_ctx; 75 ierr = PetscCalloc1(1, &phys_ctx); CHKERRQ(ierr); 76 77 Units units; 78 ierr = PetscCalloc1(1, &units); CHKERRQ(ierr); 79 80 user->app_ctx = app_ctx; 81 user->units = units; 82 user->phys = phys_ctx; 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 ierr = CreateDM(comm, problem, &dm); CHKERRQ(ierr); 113 VecType vec_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 = VECHIP; 121 else vec_type = VECSTANDARD; 122 } 123 } 124 ierr = DMSetVecType(dm, vec_type); CHKERRQ(ierr); 125 user->dm = dm; 126 127 // --------------------------------------------------------------------------- 128 // Choose the problem from the list of registered problems 129 // --------------------------------------------------------------------------- 130 { 131 PetscErrorCode (*p)(ProblemData *, DM, void *); 132 ierr = PetscFunctionListFind(app_ctx->problems, app_ctx->problem_name, &p); 133 CHKERRQ(ierr); 134 if (!p) SETERRQ(PETSC_COMM_SELF, 1, "Problem '%s' not found", 135 app_ctx->problem_name); 136 ierr = (*p)(problem, dm, &user); CHKERRQ(ierr); 137 } 138 139 // -- Set up DM 140 ierr = SetUpDM(dm, problem, app_ctx->degree, bc, phys_ctx); 141 CHKERRQ(ierr); 142 143 // -- Refine DM for high-order viz 144 if (app_ctx->viz_refine) { 145 ierr = VizRefineDM(dm, user, problem, bc, phys_ctx); 146 CHKERRQ(ierr); 147 } 148 149 // --------------------------------------------------------------------------- 150 // Set up libCEED 151 // --------------------------------------------------------------------------- 152 // -- Set up libCEED objects 153 ierr = SetupLibceed(ceed, ceed_data, dm, user, app_ctx, problem, bc); 154 CHKERRQ(ierr); 155 156 // --------------------------------------------------------------------------- 157 // Set up ICs 158 // --------------------------------------------------------------------------- 159 // -- Set up global state vector Q 160 Vec Q; 161 ierr = DMCreateGlobalVector(dm, &Q); CHKERRQ(ierr); 162 ierr = VecZeroEntries(Q); CHKERRQ(ierr); 163 164 // -- Set up local state vector Q_loc 165 Vec Q_loc; 166 ierr = DMGetLocalVector(dm, &Q_loc); CHKERRQ(ierr); 167 168 // -- Fix multiplicity for ICs 169 ierr = ICs_FixMultiplicity(dm, ceed_data, user, Q_loc, Q, 0.0); CHKERRQ(ierr); 170 171 // --------------------------------------------------------------------------- 172 // Set up lumped mass matrix 173 // --------------------------------------------------------------------------- 174 // -- Set up global mass vector 175 ierr = VecDuplicate(Q, &user->M); CHKERRQ(ierr); 176 177 // -- Compute lumped mass matrix 178 ierr = ComputeLumpedMassMatrix(ceed, dm, ceed_data, user->M); CHKERRQ(ierr); 179 180 // --------------------------------------------------------------------------- 181 // Record boundary values from initial condition 182 // --------------------------------------------------------------------------- 183 // -- This overrides DMPlexInsertBoundaryValues(). 184 // We use this for the main simulation DM because the reference 185 // DMPlexInsertBoundaryValues() is very slow. If we disable this, we should 186 // still get the same results due to the problem->bc function, but with 187 // potentially much slower execution. 188 if (1) {ierr = SetBCsFromICs_NS(dm, Q, Q_loc); CHKERRQ(ierr);} 189 190 // --------------------------------------------------------------------------- 191 // Create output directory 192 // --------------------------------------------------------------------------- 193 PetscMPIInt rank; 194 MPI_Comm_rank(comm, &rank); 195 if (!rank) {ierr = PetscMkdir(app_ctx->output_dir); CHKERRQ(ierr);} 196 197 // --------------------------------------------------------------------------- 198 // Gather initial Q values in case of continuation of simulation 199 // --------------------------------------------------------------------------- 200 // -- Set up initial values from binary file 201 if (app_ctx->cont_steps) { 202 ierr = SetupICsFromBinary(comm, app_ctx, Q); CHKERRQ(ierr); 203 } 204 205 // --------------------------------------------------------------------------- 206 // Print problem summary 207 // --------------------------------------------------------------------------- 208 if (!app_ctx->test_mode) { 209 // Header and rank 210 char host_name[PETSC_MAX_PATH_LEN]; 211 int comm_size; 212 ierr = PetscGetHostName(host_name, sizeof host_name); CHKERRQ(ierr); 213 ierr = MPI_Comm_size(comm, &comm_size); CHKERRQ(ierr); 214 ierr = PetscPrintf(comm, 215 "\n-- Navier-Stokes solver - libCEED + PETSc --\n" 216 " MPI:\n" 217 " Host Name : %s\n" 218 " Total ranks : %d\n", 219 host_name, comm_size); CHKERRQ(ierr); 220 221 // Problem specific info 222 ierr = problem->print_info(problem, app_ctx); CHKERRQ(ierr); 223 224 // libCEED 225 const char *used_resource; 226 CeedGetResource(ceed, &used_resource); 227 ierr = PetscPrintf(comm, 228 " libCEED:\n" 229 " libCEED Backend : %s\n" 230 " libCEED Backend MemType : %s\n", 231 used_resource, CeedMemTypes[mem_type_backend]); CHKERRQ(ierr); 232 // PETSc 233 char box_faces_str[PETSC_MAX_PATH_LEN] = "3,3,3"; 234 if (problem->dim == 2) box_faces_str[3] = '\0'; 235 ierr = PetscOptionsGetString(NULL, NULL, "-dm_plex_box_faces", box_faces_str, 236 sizeof(box_faces_str), NULL); CHKERRQ(ierr); 237 ierr = PetscPrintf(comm, 238 " PETSc:\n" 239 " Box Faces : %s\n" 240 " Time Stepping Scheme : %s\n", 241 box_faces_str, phys_ctx->implicit ? "implicit" : "explicit"); CHKERRQ(ierr); 242 // Mesh 243 const PetscInt num_comp_q = 5; 244 CeedInt glob_dofs, owned_dofs; 245 PetscInt glob_nodes, owned_nodes; 246 const CeedInt num_P = app_ctx->degree + 1, 247 num_Q = num_P + app_ctx->q_extra; 248 // -- Get global size 249 ierr = VecGetSize(Q, &glob_dofs); CHKERRQ(ierr); 250 ierr = VecGetLocalSize(Q, &owned_dofs); CHKERRQ(ierr); 251 glob_nodes = glob_dofs/num_comp_q; 252 // -- Get local size 253 ierr = VecGetSize(Q_loc, &owned_nodes); CHKERRQ(ierr); 254 owned_nodes /= num_comp_q; 255 ierr = PetscPrintf(comm, 256 " Mesh:\n" 257 " Number of 1D Basis Nodes (P) : %d\n" 258 " Number of 1D Quadrature Points (Q) : %d\n" 259 " Global DoFs : %" PetscInt_FMT "\n" 260 " Owned DoFs : %" PetscInt_FMT "\n" 261 " DoFs per node : %" PetscInt_FMT "\n" 262 " Global nodes : %" PetscInt_FMT "\n" 263 " Owned nodes : %" PetscInt_FMT "\n", 264 num_P, num_Q, glob_dofs, owned_dofs, num_comp_q, 265 glob_nodes, owned_nodes); CHKERRQ(ierr); 266 } 267 // -- Restore Q_loc 268 ierr = DMRestoreLocalVector(dm, &Q_loc); CHKERRQ(ierr); 269 270 // --------------------------------------------------------------------------- 271 // TS: Create, setup, and solve 272 // --------------------------------------------------------------------------- 273 TS ts; 274 PetscScalar final_time; 275 ierr = TSSolve_NS(dm, user, app_ctx, phys_ctx, &Q, &final_time, &ts); 276 CHKERRQ(ierr); 277 278 // --------------------------------------------------------------------------- 279 // Post-processing 280 // --------------------------------------------------------------------------- 281 ierr = PostProcess_NS(ts, ceed_data, dm, problem, user, Q, final_time); 282 CHKERRQ(ierr); 283 284 // --------------------------------------------------------------------------- 285 // Destroy libCEED objects 286 // --------------------------------------------------------------------------- 287 // -- Vectors 288 CeedVectorDestroy(&ceed_data->x_coord); 289 CeedVectorDestroy(&ceed_data->q_data); 290 CeedVectorDestroy(&user->q_ceed); 291 CeedVectorDestroy(&user->q_dot_ceed); 292 CeedVectorDestroy(&user->g_ceed); 293 294 // -- QFunctions 295 CeedQFunctionDestroy(&ceed_data->qf_setup_vol); 296 CeedQFunctionDestroy(&ceed_data->qf_ics); 297 CeedQFunctionDestroy(&ceed_data->qf_rhs_vol); 298 CeedQFunctionDestroy(&ceed_data->qf_ifunction_vol); 299 CeedQFunctionDestroy(&ceed_data->qf_setup_sur); 300 CeedQFunctionDestroy(&ceed_data->qf_apply_inflow); 301 CeedQFunctionDestroy(&ceed_data->qf_apply_outflow); 302 303 // -- Bases 304 CeedBasisDestroy(&ceed_data->basis_q); 305 CeedBasisDestroy(&ceed_data->basis_x); 306 CeedBasisDestroy(&ceed_data->basis_xc); 307 CeedBasisDestroy(&ceed_data->basis_q_sur); 308 CeedBasisDestroy(&ceed_data->basis_x_sur); 309 310 // -- Restrictions 311 CeedElemRestrictionDestroy(&ceed_data->elem_restr_q); 312 CeedElemRestrictionDestroy(&ceed_data->elem_restr_x); 313 CeedElemRestrictionDestroy(&ceed_data->elem_restr_qd_i); 314 315 // -- Operators 316 CeedOperatorDestroy(&ceed_data->op_setup_vol); 317 CeedOperatorDestroy(&ceed_data->op_ics); 318 CeedOperatorDestroy(&user->op_rhs_vol); 319 CeedOperatorDestroy(&user->op_ifunction_vol); 320 CeedOperatorDestroy(&user->op_rhs); 321 CeedOperatorDestroy(&user->op_ifunction); 322 323 // -- Ceed 324 CeedDestroy(&ceed); 325 326 // --------------------------------------------------------------------------- 327 // Clean up PETSc 328 // --------------------------------------------------------------------------- 329 // -- Vectors 330 ierr = VecDestroy(&Q); CHKERRQ(ierr); 331 ierr = VecDestroy(&user->M); CHKERRQ(ierr); 332 333 // -- Matrices 334 ierr = MatDestroy(&user->interp_viz); CHKERRQ(ierr); 335 336 // -- DM 337 ierr = DMDestroy(&dm); CHKERRQ(ierr); 338 ierr = DMDestroy(&user->dm_viz); CHKERRQ(ierr); 339 340 // -- TS 341 ierr = TSDestroy(&ts); CHKERRQ(ierr); 342 343 // -- Function list 344 ierr = PetscFunctionListDestroy(&app_ctx->problems); CHKERRQ(ierr); 345 346 ierr = PetscFree(problem->bc_ctx); CHKERRQ(ierr); 347 348 // -- Structs 349 ierr = PetscFree(units); CHKERRQ(ierr); 350 ierr = PetscFree(user); CHKERRQ(ierr); 351 ierr = PetscFree(problem); CHKERRQ(ierr); 352 ierr = PetscFree(bc); CHKERRQ(ierr); 353 ierr = PetscFree(phys_ctx); CHKERRQ(ierr); 354 ierr = PetscFree(app_ctx); CHKERRQ(ierr); 355 ierr = PetscFree(ceed_data); CHKERRQ(ierr); 356 357 return PetscFinalize(); 358 } 359