1 // SPDX-FileCopyrightText: Copyright (c) 2017-2024, HONEE contributors. 2 // SPDX-License-Identifier: Apache-2.0 OR BSD-2-Clause 3 4 // libCEED + PETSc Example: Navier-Stokes 5 // 6 // This example demonstrates a simple usage of libCEED with PETSc to solve a Navier-Stokes problem. 7 // 8 // Build with: 9 // 10 // make [PETSC_DIR=</path/to/petsc>] [CEED_DIR=</path/to/libceed>] navierstokes 11 // 12 // Sample runs: 13 // 14 // ./navierstokes -ceed /cpu/self -options_file gaussianwave.yml 15 // ./navierstokes -ceed /gpu/cuda -problem advection -degree 1 16 // 17 //TESTARGS(name="Flat Plate STG",only="cpu") -ceed {ceed_resource} -options_file examples/flatplate_STG.yaml -dm_plex_box_faces 3,63,3 -dm_plex_box_upper -3.082,2.4,.00726 -ts_max_steps 1 -test_type solver -compare_final_state_atol 1e-10 -compare_final_state_filename tests/output/fluids-navierstokes-flatplate-STG.bin 18 //TESTARGS(name="Advection 2D, boundary layer IC",only="cpu") -ceed {ceed_resource} -test_type solver -options_file examples/advection_bl.yaml -dm_plex_box_faces 3,3 -ts_max_steps 0 -compare_final_state_atol 1e-12 -compare_final_state_filename tests/output/fluids-navierstokes-adv2d-boundary-layer-ic.bin 19 //TESTARGS(name="Advection 2D, implicit square wave, direct div(F_diff)") -ceed {ceed_resource} -test_type solver -options_file examples/advection_wave.yaml -snes_mf -snes_fd -ts_type alpha -dm_plex_box_faces 5,5 -ts_max_steps 5 -diffusion_coeff 5e-3 -div_diff_flux_projection_method direct -compare_final_state_atol 1e-12 -compare_final_state_filename tests/output/fluids-navierstokes-adv2d-wave-square-direct_divdiff.bin 20 //TESTARGS(name="Advection 2D, explicit square wave, indirect div(F_diff)") -ceed {ceed_resource} -test_type solver -options_file examples/advection_wave.yaml -ts_max_steps 5 -dm_plex_box_faces 5,5 -diffusion_coeff 1e-2 -Ctau_d 2 -div_diff_flux_projection_method indirect -compare_final_state_atol 1e-12 -compare_final_state_filename tests/output/fluids-navierstokes-adv2d-wave-square-indirect_divdiff.bin 21 //TESTARGS(name="Advection 2D, sine wave IC",only="cpu") -ceed {ceed_resource} -test_type solver -options_file examples/advection_wave.yaml -ts_max_steps 0 -dm_plex_box_faces 3,3 -wave_type sine -compare_final_state_atol 1e-12 -compare_final_state_filename tests/output/fluids-navierstokes-adv2d-wave-sine.bin 22 //TESTARGS(name="Newtonian and Riemann Solver Unit Tests",only="cpu") -ceed {ceed_resource} -test_type solver -options_file examples/gaussianwave.yaml -compare_final_state_atol 1e100 -compare_final_state_filename tests/output/fluids-navierstokes-gaussianwave-IDL-entropy.bin -dm_plex_box_faces 5,5,1 -ts_max_steps 0 -newtonian_unit_tests -riemann_solver_unit_tests 23 //TESTARGS(name="Gaussian Wave, IDL and Entropy variables") -ceed {ceed_resource} -test_type solver -options_file examples/gaussianwave.yaml -compare_final_state_atol 2e-11 -compare_final_state_filename tests/output/fluids-navierstokes-gaussianwave-IDL-entropy.bin -state_var entropy -dm_plex_box_faces 5,5,1 -ts_max_steps 5 -idl_decay_time 2e-3 -idl_length 0.25 -idl_start 0 -idl_pressure 70 24 //TESTARGS(name="Blasius, SGS DataDriven Sequential Torch",only="torch") -ceed {ceed_resource} -options_file tests/blasius_stgtest.yaml -sgs_model_type data_driven -sgs_model_dd_leakyrelu_alpha 0.3 -sgs_model_dd_parameter_dir examples/dd_sgs_data -ts_dt 2e-9 -state_var primitive -ksp_rtol 1e-12 -snes_rtol 1e-12 -stg_mean_only -stg_fluctuating_IC -test_type solver -compare_final_state_atol 1e-10 -compare_final_state_filename tests/output/fluids-navierstokes-blasius-sgs-data-driven.bin -sgs_model_dd_implementation sequential_torch -sgs_model_dd_torch_model_path ./tests/createPyTorchModel/NNModel_HIT_fp64_jit.pt 25 //TESTARGS(name="Blasius, SGS DataDriven Sequential Ceed") -ceed {ceed_resource} -options_file tests/blasius_stgtest.yaml -sgs_model_type data_driven -sgs_model_dd_leakyrelu_alpha 0.3 -sgs_model_dd_parameter_dir examples/dd_sgs_data -ts_dt 2e-9 -state_var primitive -ksp_rtol 1e-12 -snes_rtol 1e-12 -stg_mean_only -stg_fluctuating_IC -test_type solver -compare_final_state_atol 1e-10 -compare_final_state_filename tests/output/fluids-navierstokes-blasius-sgs-data-driven.bin -sgs_model_dd_implementation sequential_ceed 26 //TESTARGS(name="Gaussian Wave, explicit, supg, IDL") -ceed {ceed_resource} -test_type solver -options_file examples/gaussianwave.yaml -compare_final_state_atol 1e-8 -compare_final_state_filename tests/output/fluids-navierstokes-gaussianwave-explicit.bin -dm_plex_box_faces 2,2,1 -ts_max_steps 5 -degree 3 -implicit false -ts_type rk -stab supg -state_var conservative -mass_ksp_type gmres -mass_pc_jacobi_type diagonal -idl_decay_time 2e-3 -idl_length 0.25 -idl_start 0 -idl_pressure 70 27 //TESTARGS(name="Advection 2D, rotation, explicit, supg, consistent mass") -ceed {ceed_resource} -test_type solver -problem advection -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 -ts_max_steps 10 -stab supg -Ctaus 0.5 -mass_ksp_type gmres -mass_pc_type vpbjacobi -compare_final_state_atol 1e-10 -compare_final_state_filename tests/output/fluids-navierstokes-adv2d-rotation-explicit-stab-supg-consistent-mass.bin 28 //TESTARGS(name="Advection, skew") -ceed {ceed_resource} -test_type solver -options_file examples/advection.yaml -ts_max_steps 5 -wind_type translation -wind_translation -0.5547002,0.83205029,0 -advection_ic_type skew -dm_plex_box_faces 2,1,1 -degree 2 -stab supg -stab_tau advdiff_shakib -Ctau_a 4 -Ctau_d 0 -ksp_type gmres -diffusion_coeff 5e-4 -compare_final_state_atol 7e-10 -compare_final_state_filename tests/output/fluids-navierstokes-adv-skew.bin 29 //TESTARGS(name="Blasius, bc_slip, Indirect Diffusive Flux Projection") -ceed {ceed_resource} -test_type solver -options_file examples/blasius.yaml -ts_max_steps 5 -dm_plex_box_faces 3,20,1 -platemesh_nDelta 10 -platemesh_growth 1.2 -bc_outflow 5 -bc_slip 4 -compare_final_state_atol 2E-11 -compare_final_state_filename tests/output/fluids-navierstokes-blasius-bc_slip_indirect.bin -div_diff_flux_projection_method indirect 30 //TESTARGS(name="Blasius, bc_slip, Direct Diffusive Flux Projection") -ceed {ceed_resource} -test_type solver -options_file examples/blasius.yaml -ts_max_steps 5 -dm_plex_box_faces 3,20,1 -platemesh_nDelta 10 -platemesh_growth 1.2 -bc_outflow 5 -bc_slip 4 -compare_final_state_atol 2E-11 -compare_final_state_filename tests/output/fluids-navierstokes-blasius-bc_slip.bin -div_diff_flux_projection_method direct 31 //TESTARGS(name="Advection, rotation, cosine, direct div(F_diff)") -ceed {ceed_resource} -test_type solver -options_file examples/advection.yaml -ts_max_steps 5 -advection_ic_type cosine_hill -dm_plex_box_faces 2,2,1 -diffusion_coeff 5e-3 -div_diff_flux_projection_method direct -compare_final_state_atol 1e-10 -compare_final_state_filename tests/output/fluids-navierstokes-adv-rotation-cosine.bin 32 //TESTARGS(name="Gaussian Wave, using MatShell") -ceed {ceed_resource} -test_type solver -options_file examples/gaussianwave.yaml -compare_final_state_atol 1e-8 -compare_final_state_filename tests/output/fluids-navierstokes-gaussianwave-shell.bin -dm_plex_box_faces 2,2,1 -ts_max_steps 5 -degree 3 -amat_type shell -pc_type vpbjacobi -ts_alpha_radius 0.5 33 //TESTARGS(name="Taylor-Green Vortex IC") -ceed {ceed_resource} -problem taylor_green -test_type solver -dm_plex_dim 3 -dm_plex_box_faces 6,6,6 -ts_max_steps 0 -compare_final_state_atol 1e-12 -compare_final_state_filename tests/output/fluids-navierstokes-taylor-green-IC.bin 34 //TESTARGS(name="Blasius, SGS DataDriven Fused") -ceed {ceed_resource} -options_file tests/blasius_stgtest.yaml -sgs_model_type data_driven -sgs_model_dd_leakyrelu_alpha 0.3 -sgs_model_dd_parameter_dir examples/dd_sgs_data -ts_dt 2e-9 -state_var primitive -ksp_rtol 1e-12 -snes_rtol 1e-12 -stg_mean_only -stg_fluctuating_IC -test_type solver -compare_final_state_atol 1e-10 -compare_final_state_filename tests/output/fluids-navierstokes-blasius-sgs-data-driven.bin 35 //TESTARGS(name="Blasius, Anisotropic Differential Filter") -ceed {ceed_resource} -test_type diff_filter -options_file tests/blasius_test.yaml -compare_final_state_atol 5e-10 -compare_final_state_filename tests/output/fluids-navierstokes-blasius_diff_filter_aniso_vandriest.bin -diff_filter_monitor -ts_max_steps 0 -state_var primitive -diff_filter_friction_length 1e-5 -diff_filter_wall_damping_function van_driest -diff_filter_ksp_rtol 1e-8 -diff_filter_grid_based_width -diff_filter_width_scaling 1,0.7,1 36 //TESTARGS(name="Blasius, Isotropic Differential Filter") -ceed {ceed_resource} -test_type diff_filter -options_file tests/blasius_test.yaml -compare_final_state_atol 2e-12 -compare_final_state_filename tests/output/fluids-navierstokes-blasius_diff_filter_iso.bin -diff_filter_monitor -ts_max_steps 0 -diff_filter_width_scaling 4.2e-5,4.2e-5,4.2e-5 -diff_filter_ksp_atol 1e-14 -diff_filter_ksp_rtol 1e-16 37 //TESTARGS(name="Gaussian Wave, with IDL") -ceed {ceed_resource} -test_type solver -options_file examples/gaussianwave.yaml -compare_final_state_atol 2e-11 -compare_final_state_filename tests/output/fluids-navierstokes-gaussianwave-IDL.bin -dm_plex_box_faces 5,5,1 -ts_max_steps 5 -idl_decay_time 2e-3 -idl_length 0.25 -idl_start 0 -ts_alpha_radius 0.5 -idl_pressure 70 38 //TESTARGS(name="Spanwise Turbulence Statistics") -ceed {ceed_resource} -test_type turb_spanstats -options_file tests/stats_test.yaml -compare_final_state_atol 1E-11 -compare_final_state_filename tests/output/fluids-navierstokes-turb-spanstats-stats.bin 39 //TESTARGS(name="Blasius") -ceed {ceed_resource} -test_type solver -options_file tests/blasius_test.yaml -compare_final_state_atol 2E-11 -compare_final_state_filename tests/output/fluids-navierstokes-blasius.bin 40 //TESTARGS(name="Blasius, STG Inflow") -ceed {ceed_resource} -test_type solver -options_file tests/blasius_stgtest.yaml -compare_final_state_atol 2E-11 -compare_final_state_filename tests/output/fluids-navierstokes-blasius_STG.bin 41 //TESTARGS(name="Blasius, STG Inflow, Weak Temperature") -ceed {ceed_resource} -test_type solver -options_file tests/blasius_stgtest.yaml -compare_final_state_atol 1E-11 -compare_final_state_filename tests/output/fluids-navierstokes-blasius_STG_weakT.bin -weakT 42 //TESTARGS(name="Blasius, Strong STG Inflow") -ceed {ceed_resource} -test_type solver -options_file tests/blasius_stgtest.yaml -compare_final_state_atol 1E-10 -compare_final_state_filename tests/output/fluids-navierstokes-blasius_STG_strongBC.bin -stg_strong true 43 //TESTARGS(name="Channel") -ceed {ceed_resource} -test_type solver -options_file examples/channel.yaml -compare_final_state_atol 2e-11 -compare_final_state_filename tests/output/fluids-navierstokes-channel.bin -dm_plex_box_faces 5,5,1 -ts_max_steps 5 44 //TESTARGS(name="Channel, Primitive") -ceed {ceed_resource} -test_type solver -options_file examples/channel.yaml -compare_final_state_atol 2e-11 -compare_final_state_filename tests/output/fluids-navierstokes-channel-prim.bin -dm_plex_box_faces 5,5,1 -ts_max_steps 5 -state_var primitive 45 //TESTARGS(name="Density Current, explicit") -ceed {ceed_resource} -test_type solver -degree 3 -q_extra 2 -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_symmetry_x 5,6 -bc_symmetry_y 3,4 -bc_symmetry_z 1,2 -units_kilogram 1e-9 -center 62.5,62.5,187.5 -rc 100. -thetaC -35. -mu 75 -gravity 0,0,-9.81 -ts_dt 1e-3 -units_meter 1e-2 -units_second 1e-2 -ts_max_steps 10 -compare_final_state_atol 1E-11 -compare_final_state_filename tests/output/fluids-navierstokes-dc-explicit.bin 46 //TESTARGS(name="Density Current, implicit, no stabilization") -ceed {ceed_resource} -test_type solver -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_symmetry_x 5,6 -bc_symmetry_y 3,4 -bc_symmetry_z 1,2 -units_kilogram 1e-9 -center 62.5,62.5,187.5 -rc 100. -thetaC -35. -mu 75 -gravity 0,0,-9.81 -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 -ts_max_steps 10 -compare_final_state_atol 5E-4 -compare_final_state_filename tests/output/fluids-navierstokes-dc-implicit-stab-none.bin 47 //TESTARGS(name="Advection, rotation, implicit, SUPG stabilization") -ceed {ceed_resource} -test_type solver -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 -ts_max_steps 10 -compare_final_state_filename tests/output/fluids-navierstokes-adv-rotation-implicit-stab-supg.bin 48 //TESTARGS(name="Advection, translation, implicit, SU stabilization") -ceed {ceed_resource} -test_type solver -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 -ts_max_steps 10 -compare_final_state_atol 5E-4 -compare_final_state_filename tests/output/fluids-navierstokes-adv-translation-implicit-stab-su.bin 49 //TESTARGS(name="Advection 2D, rotation, explicit, strong form") -ceed {ceed_resource} -test_type solver -problem advection -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 5E-11 -ts_max_steps 10 -compare_final_state_filename tests/output/fluids-navierstokes-adv2d-rotation-explicit-strong.bin 50 //TESTARGS(name="Advection 2D, rotation, implicit, SUPG stabilization") -ceed {ceed_resource} -test_type solver -problem advection -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 -ts_max_steps 10 -compare_final_state_atol 5E-4 -compare_final_state_filename tests/output/fluids-navierstokes-adv2d-rotation-implicit-stab-supg.bin 51 //TESTARGS(name="Euler, implicit") -ceed {ceed_resource} -test_type solver -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_symmetry_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 -ts_max_steps 10 -compare_final_state_atol 5E-4 -compare_final_state_filename tests/output/fluids-navierstokes-euler-implicit.bin 52 //TESTARGS(name="Euler, explicit") -ceed {ceed_resource} -test_type solver -problem euler_vortex -degree 3 -q_extra 2 -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_symmetry_z 1,2 -vortex_strength 2 -ts_dt 1e-7 -ts_rk_type 5bs -ts_rtol 1e-10 -ts_atol 1e-10 -ts_max_steps 10 -compare_final_state_atol 1E-7 -compare_final_state_filename tests/output/fluids-navierstokes-euler-explicit.bin 53 //TESTARGS(name="Sod Shocktube, explicit, SU stabilization, y-z-beta shock capturing") -ceed {ceed_resource} -test_type solver -problem shocktube -degree 1 -q_extra 2 -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_symmetry_x 5,6 -bc_symmetry_y 3,4 -bc_symmetry_z 1,2 -yzb -stab su -ts_max_steps 10 -compare_final_state_atol 1E-11 -compare_final_state_filename tests/output/fluids-navierstokes-shocktube-explicit-su-yzb.bin 54 55 /// @file 56 /// Navier-Stokes example using PETSc 57 58 const char help[] = "Solve Navier-Stokes using PETSc and libCEED\n"; 59 60 #include <navierstokes.h> 61 #include <petscdevice.h> 62 63 #include <ceed.h> 64 #include <petscdmplex.h> 65 #include <petscts.h> 66 67 int main(int argc, char **argv) { 68 // --------------------------------------------------------------------------- 69 // Initialize PETSc 70 // --------------------------------------------------------------------------- 71 PetscCall(PetscInitialize(&argc, &argv, NULL, help)); 72 73 // --------------------------------------------------------------------------- 74 // Create structs 75 // --------------------------------------------------------------------------- 76 AppCtx app_ctx; 77 PetscCall(PetscCalloc1(1, &app_ctx)); 78 79 ProblemData problem; 80 PetscCall(PetscCalloc1(1, &problem)); 81 82 User user; 83 PetscCall(PetscCalloc1(1, &user)); 84 85 CeedData ceed_data; 86 PetscCall(PetscCalloc1(1, &ceed_data)); 87 88 SimpleBC bc; 89 PetscCall(PetscCalloc1(1, &bc)); 90 91 Physics phys_ctx; 92 PetscCall(PetscCalloc1(1, &phys_ctx)); 93 94 Units units; 95 PetscCall(PetscCalloc1(1, &units)); 96 97 user->app_ctx = app_ctx; 98 user->units = units; 99 user->phys = phys_ctx; 100 problem->set_bc_from_ics = PETSC_TRUE; 101 102 PetscCall(RegisterLogEvents()); 103 104 // --------------------------------------------------------------------------- 105 // Process command line options 106 // --------------------------------------------------------------------------- 107 // -- Register problems to be available on the command line 108 PetscCall(RegisterProblems_NS(app_ctx)); 109 110 // -- Process general command line options 111 MPI_Comm comm = PETSC_COMM_WORLD; 112 user->comm = comm; 113 PetscCall(ProcessCommandLineOptions(comm, app_ctx, bc)); 114 PetscCall(BoundaryConditionSetUp(user, problem, app_ctx, bc)); 115 116 // --------------------------------------------------------------------------- 117 // Initialize libCEED 118 // --------------------------------------------------------------------------- 119 // -- Initialize backend 120 Ceed ceed; 121 PetscCheck(CeedInit(app_ctx->ceed_resource, &ceed) == CEED_ERROR_SUCCESS, comm, PETSC_ERR_LIB, "Ceed initialization failed"); 122 user->ceed = ceed; 123 124 PetscCheck(CeedSetErrorHandler(ceed, CeedErrorStore) == CEED_ERROR_SUCCESS, comm, PETSC_ERR_LIB, "Setting libCEED error handler failed"); 125 126 // -- Check preferred MemType 127 CeedMemType mem_type_backend; 128 PetscCallCeed(ceed, CeedGetPreferredMemType(ceed, &mem_type_backend)); 129 130 { 131 const char *resource; 132 PetscCallCeed(ceed, CeedGetResource(ceed, &resource)); 133 if (strstr(resource, "/gpu/sycl")) { 134 PetscDeviceContext dctx; 135 PetscCall(PetscDeviceContextGetCurrentContext(&dctx)); 136 void *stream_handle; 137 PetscCall(PetscDeviceContextGetStreamHandle(dctx, &stream_handle)); 138 PetscCallCeed(ceed, CeedSetStream(ceed, stream_handle)); 139 } 140 } 141 142 // --------------------------------------------------------------------------- 143 // Set up global mesh 144 // --------------------------------------------------------------------------- 145 // -- Create DM 146 DM dm; 147 VecType vec_type = NULL; 148 MatType mat_type = NULL; 149 switch (mem_type_backend) { 150 case CEED_MEM_HOST: 151 vec_type = VECSTANDARD; 152 break; 153 case CEED_MEM_DEVICE: { 154 const char *resolved; 155 PetscCallCeed(ceed, CeedGetResource(ceed, &resolved)); 156 if (strstr(resolved, "/gpu/cuda")) vec_type = VECCUDA; 157 else if (strstr(resolved, "/gpu/hip")) vec_type = VECKOKKOS; 158 else if (strstr(resolved, "/gpu/sycl")) vec_type = VECKOKKOS; 159 else vec_type = VECSTANDARD; 160 } 161 } 162 if (strstr(vec_type, VECCUDA)) mat_type = MATAIJCUSPARSE; 163 else if (strstr(vec_type, VECKOKKOS)) mat_type = MATAIJKOKKOS; 164 else mat_type = MATAIJ; 165 PetscCall(CreateDM(comm, problem, mat_type, vec_type, &dm)); 166 user->dm = dm; 167 PetscCall(DMSetApplicationContext(dm, user)); 168 169 // --------------------------------------------------------------------------- 170 // Choose the problem from the list of registered problems 171 // --------------------------------------------------------------------------- 172 { 173 PetscErrorCode (*p)(ProblemData, DM, void *, SimpleBC); 174 PetscCall(PetscFunctionListFind(app_ctx->problems, app_ctx->problem_name, &p)); 175 PetscCheck(p, PETSC_COMM_SELF, 1, "Problem '%s' not found", app_ctx->problem_name); 176 PetscCall((*p)(problem, dm, &user, bc)); 177 } 178 179 // -- Set up DM 180 PetscCall(SetUpDM(dm, problem, app_ctx->degree, app_ctx->q_extra, bc, phys_ctx)); 181 182 // -- Refine DM for high-order viz 183 if (app_ctx->viz_refine) PetscCall(VizRefineDM(dm, user, problem, bc, phys_ctx)); 184 185 // --------------------------------------------------------------------------- 186 // Create solution vectors 187 // --------------------------------------------------------------------------- 188 // -- Set up global state vector Q 189 Vec Q; 190 PetscCall(DMCreateGlobalVector(dm, &Q)); 191 PetscCall(VecZeroEntries(Q)); 192 193 // -- Set up local state vectors Q_loc, Q_dot_loc 194 PetscCall(DMCreateLocalVector(dm, &user->Q_loc)); 195 PetscCall(DMCreateLocalVector(dm, &user->Q_dot_loc)); 196 PetscCall(VecZeroEntries(user->Q_dot_loc)); 197 198 // --------------------------------------------------------------------------- 199 // Set up libCEED 200 // --------------------------------------------------------------------------- 201 // -- Set up libCEED objects 202 PetscCall(SetupLibceed(ceed, ceed_data, dm, user, app_ctx, problem, bc)); 203 204 // --------------------------------------------------------------------------- 205 // Set up ICs 206 // --------------------------------------------------------------------------- 207 // -- Fix multiplicity for ICs 208 PetscCall(ICs_FixMultiplicity(dm, ceed_data, user, user->Q_loc, Q, 0.0)); 209 210 // --------------------------------------------------------------------------- 211 // Record boundary values from initial condition 212 // --------------------------------------------------------------------------- 213 // -- This overrides DMPlexInsertBoundaryValues(). 214 // We use this for the main simulation DM because the reference DMPlexInsertBoundaryValues() is very slow on the GPU due to extra device-to-host 215 // communication. If we disable this, we should still get the same results due to the problem->bc function, but with potentially much slower 216 // execution. 217 if (problem->set_bc_from_ics) { 218 PetscCall(SetBCsFromICs(dm, Q, user->Q_loc)); 219 } 220 221 // --------------------------------------------------------------------------- 222 // Create output directory 223 // --------------------------------------------------------------------------- 224 PetscMPIInt rank; 225 MPI_Comm_rank(comm, &rank); 226 if (!rank) { 227 PetscCall(PetscMkdir(app_ctx->output_dir)); 228 } 229 230 // --------------------------------------------------------------------------- 231 // Gather initial Q values in case of continuation of simulation 232 // --------------------------------------------------------------------------- 233 // -- Set up initial values from binary file 234 if (app_ctx->cont_steps) { 235 PetscViewer viewer; 236 237 PetscCall(PetscViewerBinaryOpen(comm, app_ctx->cont_file, FILE_MODE_READ, &viewer)); 238 PetscCall(HoneeLoadBinaryVec(viewer, Q, &app_ctx->cont_time, &app_ctx->cont_steps)); 239 PetscCall(PetscViewerDestroy(&viewer)); 240 } 241 242 // -- Zero Q_loc 243 PetscCall(VecZeroEntries(user->Q_loc)); 244 245 // --------------------------------------------------------------------------- 246 // TS: Create, setup, and solve 247 // --------------------------------------------------------------------------- 248 TS ts; 249 PetscScalar final_time; 250 PetscCall(TSSolve_NS(dm, user, app_ctx, phys_ctx, problem, &Q, &final_time, &ts)); 251 252 // --------------------------------------------------------------------------- 253 // Post-processing 254 // --------------------------------------------------------------------------- 255 PetscCall(PostProcess(ts, ceed_data, dm, problem, user, Q, final_time)); 256 257 // --------------------------------------------------------------------------- 258 // Destroy libCEED objects 259 // --------------------------------------------------------------------------- 260 261 PetscCall(TurbulenceStatisticsDestroy(user, ceed_data)); 262 PetscCall(NodalProjectionDataDestroy(user->grad_velo_proj)); 263 PetscCall(SgsDDDataDestroy(user->sgs_dd_data)); 264 PetscCall(DifferentialFilterDataDestroy(user->diff_filter)); 265 PetscCall(SGS_DD_TrainingDataDestroy(user->sgs_dd_train)); 266 PetscCall(SmartSimDataDestroy(user->smartsim)); 267 PetscCall(QDataClearStoredData()); 268 PetscCall(DivDiffFluxProjectionDataDestroy(user->diff_flux_proj)); 269 270 // -- Vectors 271 PetscCallCeed(ceed, CeedVectorDestroy(&ceed_data->x_coord)); 272 PetscCallCeed(ceed, CeedVectorDestroy(&user->q_ceed)); 273 PetscCallCeed(ceed, CeedVectorDestroy(&user->q_dot_ceed)); 274 PetscCallCeed(ceed, CeedVectorDestroy(&user->g_ceed)); 275 276 // -- Bases 277 PetscCallCeed(ceed, CeedBasisDestroy(&ceed_data->basis_q)); 278 PetscCallCeed(ceed, CeedBasisDestroy(&ceed_data->basis_x)); 279 280 // -- Restrictions 281 PetscCallCeed(ceed, CeedElemRestrictionDestroy(&ceed_data->elem_restr_q)); 282 PetscCallCeed(ceed, CeedElemRestrictionDestroy(&ceed_data->elem_restr_x)); 283 284 // Destroy QFunction contexts after using 285 // ToDo: Simplify tracked libCEED objects, smaller struct 286 { 287 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_inflow.qfctx)); 288 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_inflow_jacobian.qfctx)); 289 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_outflow.qfctx)); 290 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_outflow_jacobian.qfctx)); 291 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_freestream.qfctx)); 292 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_freestream_jacobian.qfctx)); 293 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_slip.qfctx)); 294 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_slip_jacobian.qfctx)); 295 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->ics.qfctx)); 296 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_vol_rhs.qfctx)); 297 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_vol_ifunction.qfctx)); 298 PetscCallCeed(ceed, CeedQFunctionContextDestroy(&problem->apply_vol_ijacobian.qfctx)); 299 } 300 301 // -- Operators 302 PetscCall(OperatorApplyContextDestroy(ceed_data->op_ics_ctx)); 303 PetscCall(OperatorApplyContextDestroy(user->op_rhs_ctx)); 304 PetscCall(OperatorApplyContextDestroy(user->op_strong_bc_ctx)); 305 PetscCallCeed(ceed, CeedOperatorDestroy(&user->op_ifunction)); 306 307 // -- Ceed 308 PetscCheck(CeedDestroy(&ceed) == CEED_ERROR_SUCCESS, comm, PETSC_ERR_LIB, "Destroying Ceed object failed"); 309 310 if (app_ctx->test_type != TESTTYPE_NONE) { 311 PetscInt num_options_left = 0; 312 PetscCall(PetscOptionsLeftGet(NULL, &num_options_left, NULL, NULL)); 313 PetscCheck(num_options_left == 0, PETSC_COMM_WORLD, -1, 314 "There are unused options. This is not allowed. See error message for the unused options (or use -options_left directly)"); 315 } 316 317 // --------------------------------------------------------------------------- 318 // Clean up PETSc 319 // --------------------------------------------------------------------------- 320 // -- Vectors 321 PetscCall(VecDestroy(&Q)); 322 PetscCall(VecDestroy(&user->Q_loc)); 323 PetscCall(VecDestroy(&user->Q_dot_loc)); 324 325 PetscCall(KSPDestroy(&user->mass_ksp)); 326 327 // -- Matrices 328 PetscCall(MatDestroy(&user->interp_viz)); 329 PetscCall(MatDestroy(&user->mat_ijacobian)); 330 331 // -- DM 332 PetscCall(DMDestroy(&dm)); 333 PetscCall(DMDestroy(&user->dm_viz)); 334 335 // -- TS 336 PetscCall(TSDestroy(&ts)); 337 338 // -- Function list 339 PetscCall(PetscFunctionListDestroy(&app_ctx->problems)); 340 341 PetscCall(PetscFree(app_ctx->amat_type)); 342 PetscCall(PetscFree(app_ctx->wall_forces.walls)); 343 PetscCall(PetscViewerDestroy(&app_ctx->wall_forces.viewer)); 344 PetscCall(PetscViewerDestroy(&app_ctx->turb_spanstats_viewer)); 345 346 // -- Structs 347 for (PetscInt i = 0; i < problem->num_bc_defs; i++) { 348 PetscCall(BCDefinitionDestroy(&problem->bc_defs[i])); 349 } 350 PetscCall(PetscFree(problem->bc_defs)); 351 PetscCall(PetscFree(units)); 352 PetscCall(PetscFree(user)); 353 PetscCall(PetscFree(problem)); 354 PetscCall(PetscFree(bc)); 355 PetscCall(PetscFree(phys_ctx)); 356 PetscCall(PetscFree(app_ctx)); 357 PetscCall(PetscFree(ceed_data)); 358 PetscCall(PetscFree(problem)); 359 360 return PetscFinalize(); 361 } 362