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 39 /// @file 40 /// Navier-Stokes example using PETSc 41 42 const char help[] = "Solve Navier-Stokes using PETSc and libCEED\n"; 43 44 #include "navierstokes.h" 45 46 int main(int argc, char **argv) { 47 // --------------------------------------------------------------------------- 48 // Initialize PETSc 49 // --------------------------------------------------------------------------- 50 PetscInt ierr; 51 ierr = PetscInitialize(&argc, &argv, NULL, help); 52 if (ierr) return ierr; 53 54 // --------------------------------------------------------------------------- 55 // Create structs 56 // --------------------------------------------------------------------------- 57 AppCtx app_ctx; 58 ierr = PetscCalloc1(1, &app_ctx); CHKERRQ(ierr); 59 60 ProblemData *problem = NULL; 61 ierr = PetscCalloc1(1, &problem); CHKERRQ(ierr); 62 63 User user; 64 ierr = PetscCalloc1(1, &user); CHKERRQ(ierr); 65 66 CeedData ceed_data; 67 ierr = PetscCalloc1(1, &ceed_data); CHKERRQ(ierr); 68 69 SimpleBC bc; 70 ierr = PetscCalloc1(1, &bc); CHKERRQ(ierr); 71 72 SetupContext setup_ctx; 73 ierr = PetscCalloc1(1, &setup_ctx); CHKERRQ(ierr); 74 75 Physics phys_ctx; 76 ierr = PetscCalloc1(1, &phys_ctx); CHKERRQ(ierr); 77 78 Units units; 79 ierr = PetscCalloc1(1, &units); CHKERRQ(ierr); 80 81 user->app_ctx = app_ctx; 82 user->units = units; 83 user->phys = phys_ctx; 84 85 // --------------------------------------------------------------------------- 86 // Process command line options 87 // --------------------------------------------------------------------------- 88 // -- Register problems to be available on the command line 89 ierr = RegisterProblems_NS(app_ctx); CHKERRQ(ierr); 90 91 // -- Process general command line options 92 MPI_Comm comm = PETSC_COMM_WORLD; 93 user->comm = comm; 94 ierr = ProcessCommandLineOptions(comm, app_ctx, bc); CHKERRQ(ierr); 95 96 // --------------------------------------------------------------------------- 97 // Initialize libCEED 98 // --------------------------------------------------------------------------- 99 // -- Initialize backend 100 Ceed ceed; 101 CeedInit(app_ctx->ceed_resource, &ceed); 102 user->ceed = ceed; 103 104 // -- Check preferred MemType 105 CeedMemType mem_type_backend; 106 CeedGetPreferredMemType(ceed, &mem_type_backend); 107 108 // --------------------------------------------------------------------------- 109 // Set up global mesh 110 // --------------------------------------------------------------------------- 111 // -- Create DM 112 DM dm; 113 ierr = CreateDM(comm, problem, &dm); CHKERRQ(ierr); 114 VecType vec_type = NULL; 115 switch (mem_type_backend) { 116 case CEED_MEM_HOST: vec_type = VECSTANDARD; break; 117 case CEED_MEM_DEVICE: { 118 const char *resolved; 119 CeedGetResource(ceed, &resolved); 120 if (strstr(resolved, "/gpu/cuda")) vec_type = VECCUDA; 121 else if (strstr(resolved, "/gpu/hip")) vec_type = VECHIP; 122 else vec_type = VECSTANDARD; 123 } 124 } 125 ierr = DMSetVecType(dm, vec_type); CHKERRQ(ierr); 126 user->dm = dm; 127 128 // --------------------------------------------------------------------------- 129 // Choose the problem from the list of registered problems 130 // --------------------------------------------------------------------------- 131 { 132 PetscErrorCode (*p)(ProblemData *, DM, void *, void *); 133 ierr = PetscFunctionListFind(app_ctx->problems, app_ctx->problem_name, &p); 134 CHKERRQ(ierr); 135 if (!p) SETERRQ(PETSC_COMM_SELF, 1, "Problem '%s' not found", 136 app_ctx->problem_name); 137 ierr = (*p)(problem, dm, &setup_ctx, &user); CHKERRQ(ierr); 138 } 139 140 // -- Set up DM 141 ierr = SetUpDM(dm, problem, app_ctx->degree, bc, phys_ctx, setup_ctx); 142 CHKERRQ(ierr); 143 144 // -- Refine DM for high-order viz 145 if (app_ctx->viz_refine) { 146 ierr = VizRefineDM(dm, user, problem, bc, phys_ctx, setup_ctx); 147 CHKERRQ(ierr); 148 } 149 150 // --------------------------------------------------------------------------- 151 // Set up libCEED 152 // --------------------------------------------------------------------------- 153 // -- Set up libCEED objects 154 ierr = SetupLibceed(ceed, ceed_data, dm, user, app_ctx, problem, bc, setup_ctx); 155 CHKERRQ(ierr); 156 157 // --------------------------------------------------------------------------- 158 // Set up ICs 159 // --------------------------------------------------------------------------- 160 // -- Set up global state vector Q 161 Vec Q; 162 ierr = DMCreateGlobalVector(dm, &Q); CHKERRQ(ierr); 163 ierr = VecZeroEntries(Q); CHKERRQ(ierr); 164 165 // -- Set up local state vector Q_loc 166 Vec Q_loc; 167 ierr = DMGetLocalVector(dm, &Q_loc); CHKERRQ(ierr); 168 169 // -- Fix multiplicity for ICs 170 ierr = ICs_FixMultiplicity(dm, ceed_data, user, Q_loc, Q, 0.0); CHKERRQ(ierr); 171 172 // --------------------------------------------------------------------------- 173 // Set up lumped mass matrix 174 // --------------------------------------------------------------------------- 175 // -- Set up global mass vector 176 ierr = VecDuplicate(Q, &user->M); CHKERRQ(ierr); 177 178 // -- Compute lumped mass matrix 179 ierr = ComputeLumpedMassMatrix(ceed, dm, ceed_data, user->M); CHKERRQ(ierr); 180 181 // --------------------------------------------------------------------------- 182 // Record boundary values from initial condition 183 // --------------------------------------------------------------------------- 184 // -- This overrides DMPlexInsertBoundaryValues(). 185 // We use this for the main simulation DM because the reference 186 // DMPlexInsertBoundaryValues() is very slow. If we disable this, we should 187 // still get the same results due to the problem->bc function, but with 188 // potentially much slower execution. 189 if (1) {ierr = SetBCsFromICs_NS(dm, Q, Q_loc); CHKERRQ(ierr);} 190 191 // --------------------------------------------------------------------------- 192 // Create output directory 193 // --------------------------------------------------------------------------- 194 PetscMPIInt rank; 195 MPI_Comm_rank(comm, &rank); 196 if (!rank) {ierr = PetscMkdir(app_ctx->output_dir); CHKERRQ(ierr);} 197 198 // --------------------------------------------------------------------------- 199 // Gather initial Q values in case of continuation of simulation 200 // --------------------------------------------------------------------------- 201 // -- Set up initial values from binary file 202 if (app_ctx->cont_steps) { 203 ierr = SetupICsFromBinary(comm, app_ctx, Q); CHKERRQ(ierr); 204 } 205 206 // --------------------------------------------------------------------------- 207 // Print problem summary 208 // --------------------------------------------------------------------------- 209 if (!app_ctx->test_mode) { 210 // Header and rank 211 char host_name[PETSC_MAX_PATH_LEN]; 212 int comm_size; 213 ierr = PetscGetHostName(host_name, sizeof host_name); CHKERRQ(ierr); 214 ierr = MPI_Comm_size(comm, &comm_size); CHKERRQ(ierr); 215 ierr = PetscPrintf(comm, 216 "\n-- Navier-Stokes solver - libCEED + PETSc --\n" 217 " MPI:\n" 218 " Host Name : %s\n" 219 " Total ranks : %d\n", 220 host_name, comm_size); CHKERRQ(ierr); 221 222 // Problem specific info 223 ierr = problem->print_info(problem, setup_ctx, app_ctx); CHKERRQ(ierr); 224 225 // libCEED 226 const char *used_resource; 227 CeedGetResource(ceed, &used_resource); 228 ierr = PetscPrintf(comm, 229 " libCEED:\n" 230 " libCEED Backend : %s\n" 231 " libCEED Backend MemType : %s\n", 232 used_resource, CeedMemTypes[mem_type_backend]); CHKERRQ(ierr); 233 // PETSc 234 char box_faces_str[PETSC_MAX_PATH_LEN] = "3,3,3"; 235 if (problem->dim == 2) box_faces_str[3] = '\0'; 236 ierr = PetscOptionsGetString(NULL, NULL, "-dm_plex_box_faces", box_faces_str, 237 sizeof(box_faces_str), NULL); CHKERRQ(ierr); 238 ierr = PetscPrintf(comm, 239 " PETSc:\n" 240 " Box Faces : %s\n" 241 " Time Stepping Scheme : %s\n", 242 box_faces_str, phys_ctx->implicit ? "implicit" : "explicit"); CHKERRQ(ierr); 243 // Mesh 244 const PetscInt num_comp_q = 5; 245 CeedInt glob_dofs, owned_dofs; 246 PetscInt glob_nodes, owned_nodes; 247 const CeedInt num_P = app_ctx->degree + 1, 248 num_Q = num_P + app_ctx->q_extra; 249 // -- Get global size 250 ierr = VecGetSize(Q, &glob_dofs); CHKERRQ(ierr); 251 ierr = VecGetLocalSize(Q, &owned_dofs); CHKERRQ(ierr); 252 glob_nodes = glob_dofs/num_comp_q; 253 // -- Get local size 254 ierr = VecGetSize(Q_loc, &owned_nodes); CHKERRQ(ierr); 255 owned_nodes /= num_comp_q; 256 ierr = PetscPrintf(comm, 257 " Mesh:\n" 258 " Number of 1D Basis Nodes (P) : %d\n" 259 " Number of 1D Quadrature Points (Q) : %d\n" 260 " Global DoFs : %" PetscInt_FMT "\n" 261 " Owned DoFs : %" PetscInt_FMT "\n" 262 " DoFs per node : %" PetscInt_FMT "\n" 263 " Global nodes : %" PetscInt_FMT "\n" 264 " Owned nodes : %" PetscInt_FMT "\n", 265 num_P, num_Q, glob_dofs, owned_dofs, num_comp_q, 266 glob_nodes, owned_nodes); CHKERRQ(ierr); 267 } 268 // -- Restore Q_loc 269 ierr = DMRestoreLocalVector(dm, &Q_loc); CHKERRQ(ierr); 270 271 // --------------------------------------------------------------------------- 272 // TS: Create, setup, and solve 273 // --------------------------------------------------------------------------- 274 TS ts; 275 PetscScalar final_time; 276 ierr = TSSolve_NS(dm, user, app_ctx, phys_ctx, &Q, &final_time, &ts); 277 CHKERRQ(ierr); 278 279 // --------------------------------------------------------------------------- 280 // Post-processing 281 // --------------------------------------------------------------------------- 282 ierr = PostProcess_NS(ts, ceed_data, dm, problem, user, Q, final_time); 283 CHKERRQ(ierr); 284 285 // --------------------------------------------------------------------------- 286 // Destroy libCEED objects 287 // --------------------------------------------------------------------------- 288 // -- Vectors 289 CeedVectorDestroy(&ceed_data->x_coord); 290 CeedVectorDestroy(&ceed_data->q_data); 291 CeedVectorDestroy(&user->q_ceed); 292 CeedVectorDestroy(&user->q_dot_ceed); 293 CeedVectorDestroy(&user->g_ceed); 294 295 // -- Contexts 296 CeedQFunctionContextDestroy(&ceed_data->setup_context); 297 298 // -- QFunctions 299 CeedQFunctionDestroy(&ceed_data->qf_setup_vol); 300 CeedQFunctionDestroy(&ceed_data->qf_ics); 301 CeedQFunctionDestroy(&ceed_data->qf_rhs_vol); 302 CeedQFunctionDestroy(&ceed_data->qf_ifunction_vol); 303 CeedQFunctionDestroy(&ceed_data->qf_setup_sur); 304 CeedQFunctionDestroy(&ceed_data->qf_apply_inflow); 305 CeedQFunctionDestroy(&ceed_data->qf_apply_outflow); 306 307 // -- Bases 308 CeedBasisDestroy(&ceed_data->basis_q); 309 CeedBasisDestroy(&ceed_data->basis_x); 310 CeedBasisDestroy(&ceed_data->basis_xc); 311 CeedBasisDestroy(&ceed_data->basis_q_sur); 312 CeedBasisDestroy(&ceed_data->basis_x_sur); 313 314 // -- Restrictions 315 CeedElemRestrictionDestroy(&ceed_data->elem_restr_q); 316 CeedElemRestrictionDestroy(&ceed_data->elem_restr_x); 317 CeedElemRestrictionDestroy(&ceed_data->elem_restr_qd_i); 318 319 // -- Operators 320 CeedOperatorDestroy(&ceed_data->op_setup_vol); 321 CeedOperatorDestroy(&ceed_data->op_ics); 322 CeedOperatorDestroy(&user->op_rhs_vol); 323 CeedOperatorDestroy(&user->op_ifunction_vol); 324 CeedOperatorDestroy(&user->op_rhs); 325 CeedOperatorDestroy(&user->op_ifunction); 326 327 // -- Ceed 328 CeedDestroy(&ceed); 329 330 // --------------------------------------------------------------------------- 331 // Clean up PETSc 332 // --------------------------------------------------------------------------- 333 // -- Vectors 334 ierr = VecDestroy(&Q); CHKERRQ(ierr); 335 ierr = VecDestroy(&user->M); CHKERRQ(ierr); 336 337 // -- Matrices 338 ierr = MatDestroy(&user->interp_viz); CHKERRQ(ierr); 339 340 // -- DM 341 ierr = DMDestroy(&dm); CHKERRQ(ierr); 342 ierr = DMDestroy(&user->dm_viz); CHKERRQ(ierr); 343 344 // -- TS 345 ierr = TSDestroy(&ts); CHKERRQ(ierr); 346 347 // -- Function list 348 ierr = PetscFunctionListDestroy(&app_ctx->problems); CHKERRQ(ierr); 349 350 // -- Structs 351 ierr = PetscFree(units); CHKERRQ(ierr); 352 ierr = PetscFree(user); CHKERRQ(ierr); 353 ierr = PetscFree(problem); CHKERRQ(ierr); 354 ierr = PetscFree(bc); CHKERRQ(ierr); 355 ierr = PetscFree(setup_ctx); CHKERRQ(ierr); 356 ierr = PetscFree(phys_ctx); CHKERRQ(ierr); 357 ierr = PetscFree(app_ctx); CHKERRQ(ierr); 358 ierr = PetscFree(ceed_data); CHKERRQ(ierr); 359 360 return PetscFinalize(); 361 } 362