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 /// @file 9 /// Command line option processing for Navier-Stokes example using PETSc 10 11 #include <petscdevice.h> 12 13 #include "../navierstokes.h" 14 15 // Register problems to be available on the command line 16 PetscErrorCode RegisterProblems_NS(AppCtx app_ctx) { 17 app_ctx->problems = NULL; 18 PetscFunctionBeginUser; 19 20 PetscCall(PetscFunctionListAdd(&app_ctx->problems, "density_current", NS_DENSITY_CURRENT)); 21 PetscCall(PetscFunctionListAdd(&app_ctx->problems, "euler_vortex", NS_EULER_VORTEX)); 22 PetscCall(PetscFunctionListAdd(&app_ctx->problems, "shocktube", NS_SHOCKTUBE)); 23 PetscCall(PetscFunctionListAdd(&app_ctx->problems, "advection", NS_ADVECTION)); 24 PetscCall(PetscFunctionListAdd(&app_ctx->problems, "advection2d", NS_ADVECTION2D)); 25 PetscCall(PetscFunctionListAdd(&app_ctx->problems, "blasius", NS_BLASIUS)); 26 PetscCall(PetscFunctionListAdd(&app_ctx->problems, "channel", NS_CHANNEL)); 27 PetscCall(PetscFunctionListAdd(&app_ctx->problems, "newtonian_wave", NS_NEWTONIAN_WAVE)); 28 PetscCall(PetscFunctionListAdd(&app_ctx->problems, "newtonian", NS_NEWTONIAN_IG)); 29 30 PetscFunctionReturn(0); 31 } 32 33 // Process general command line options 34 PetscErrorCode ProcessCommandLineOptions(MPI_Comm comm, AppCtx app_ctx, SimpleBC bc) { 35 PetscBool ceed_flag = PETSC_FALSE; 36 PetscBool problem_flag = PETSC_FALSE; 37 PetscBool option_set = PETSC_FALSE; 38 39 PetscFunctionBeginUser; 40 41 PetscOptionsBegin(comm, NULL, "Navier-Stokes in PETSc with libCEED", NULL); 42 43 PetscCall(PetscOptionsString("-ceed", "CEED resource specifier", NULL, app_ctx->ceed_resource, app_ctx->ceed_resource, 44 sizeof(app_ctx->ceed_resource), &ceed_flag)); 45 46 app_ctx->test_type = TESTTYPE_NONE; 47 PetscCall(PetscOptionsEnum("-test_type", "Type of test to run", NULL, TestTypes, (PetscEnum)(app_ctx->test_type), (PetscEnum *)&app_ctx->test_type, 48 NULL)); 49 50 app_ctx->test_tol = 1E-11; 51 PetscCall(PetscOptionsScalar("-compare_final_state_atol", "Test absolute tolerance", NULL, app_ctx->test_tol, &app_ctx->test_tol, NULL)); 52 53 PetscCall(PetscOptionsString("-compare_final_state_filename", "Test filename", NULL, app_ctx->test_file_path, app_ctx->test_file_path, 54 sizeof(app_ctx->test_file_path), NULL)); 55 56 PetscCall(PetscOptionsFList("-problem", "Problem to solve", NULL, app_ctx->problems, app_ctx->problem_name, app_ctx->problem_name, 57 sizeof(app_ctx->problem_name), &problem_flag)); 58 59 app_ctx->viz_refine = 0; 60 PetscCall(PetscOptionsInt("-viz_refine", "Regular refinement levels for visualization", NULL, app_ctx->viz_refine, &app_ctx->viz_refine, NULL)); 61 62 app_ctx->checkpoint_interval = 10; 63 app_ctx->checkpoint_vtk = PETSC_FALSE; 64 PetscCall(PetscOptionsDeprecated("-output_freq", "-checkpoint_interval", "libCEED 0.11.1", "Use -checkpoint_vtk true to include VTK output")); 65 PetscCall(PetscOptionsInt("-output_freq", "Frequency of output, in number of steps", NULL, app_ctx->checkpoint_interval, 66 &app_ctx->checkpoint_interval, &option_set)); 67 if (option_set) app_ctx->checkpoint_vtk = PETSC_TRUE; 68 PetscCall(PetscOptionsInt("-checkpoint_interval", "Frequency of output, in number of steps", NULL, app_ctx->checkpoint_interval, 69 &app_ctx->checkpoint_interval, NULL)); 70 PetscCall(PetscOptionsBool("-checkpoint_vtk", "Include VTK (*.vtu) output at each binary checkpoint", NULL, app_ctx->checkpoint_vtk, 71 &app_ctx->checkpoint_vtk, NULL)); 72 73 PetscCall(PetscOptionsBool("-output_add_stepnum2bin", "Add step number to the binary outputs", NULL, app_ctx->add_stepnum2bin, 74 &app_ctx->add_stepnum2bin, NULL)); 75 76 PetscCall(PetscStrncpy(app_ctx->output_dir, ".", 2)); 77 PetscCall(PetscOptionsString("-output_dir", "Output directory", NULL, app_ctx->output_dir, app_ctx->output_dir, sizeof(app_ctx->output_dir), NULL)); 78 79 app_ctx->cont_steps = 0; 80 PetscCall(PetscOptionsInt("-continue", "Continue from previous solution", NULL, app_ctx->cont_steps, &app_ctx->cont_steps, NULL)); 81 82 PetscCall(PetscStrcpy(app_ctx->cont_file, "[output_dir]/ns-solution.bin")); 83 PetscCall(PetscOptionsString("-continue_filename", "Filename to get initial condition from", NULL, app_ctx->cont_file, app_ctx->cont_file, 84 sizeof(app_ctx->cont_file), &option_set)); 85 if (!option_set) PetscCall(PetscSNPrintf(app_ctx->cont_file, sizeof app_ctx->cont_file, "%s/ns-solution.bin", app_ctx->output_dir)); 86 if (option_set && app_ctx->cont_steps == 0) app_ctx->cont_steps = -1; // Read time from file 87 88 PetscCall(PetscStrcpy(app_ctx->cont_time_file, "[output_dir]/ns-time.bin")); 89 PetscCall(PetscOptionsString("-continue_time_filename", "Filename to get initial condition time from", NULL, app_ctx->cont_time_file, 90 app_ctx->cont_time_file, sizeof(app_ctx->cont_time_file), &option_set)); 91 if (!option_set) PetscCall(PetscSNPrintf(app_ctx->cont_time_file, sizeof app_ctx->cont_time_file, "%s/ns-time.bin", app_ctx->output_dir)); 92 93 app_ctx->degree = 1; 94 PetscCall(PetscOptionsInt("-degree", "Polynomial degree of finite elements", NULL, app_ctx->degree, &app_ctx->degree, NULL)); 95 96 app_ctx->q_extra = 0; 97 PetscCall(PetscOptionsInt("-q_extra", "Number of extra quadrature points", NULL, app_ctx->q_extra, &app_ctx->q_extra, NULL)); 98 99 { 100 PetscBool option_set; 101 char amat_type[256] = ""; 102 PetscCall(PetscOptionsFList("-amat_type", "Set the type of Amat distinct from Pmat (-dm_mat_type)", NULL, MatList, amat_type, amat_type, 103 sizeof(amat_type), &option_set)); 104 if (option_set) PetscCall(PetscStrallocpy(amat_type, (char **)&app_ctx->amat_type)); 105 } 106 PetscCall(PetscOptionsBool("-pmat_pbdiagonal", "Assemble only point-block diagonal for Pmat", NULL, app_ctx->pmat_pbdiagonal, 107 &app_ctx->pmat_pbdiagonal, NULL)); 108 109 // Provide default ceed resource if not specified 110 if (!ceed_flag) { 111 const char *ceed_resource = "/cpu/self"; 112 strncpy(app_ctx->ceed_resource, ceed_resource, 10); 113 } 114 // If we request a GPU, make sure PETSc has initialized its device (which is 115 // MPI-aware in case multiple devices are available) before CeedInit so that 116 // PETSc and libCEED agree about which device to use. 117 if (strncmp(app_ctx->ceed_resource, "/gpu", 4) == 0) PetscCall(PetscDeviceInitialize(PETSC_DEVICE_DEFAULT())); 118 119 // Provide default problem if not specified 120 if (!problem_flag) { 121 const char *problem_name = "density_current"; 122 strncpy(app_ctx->problem_name, problem_name, 16); 123 } 124 125 // Wall Boundary Conditions 126 bc->num_wall = 16; 127 PetscBool flg; 128 PetscCall(PetscOptionsIntArray("-bc_wall", "Face IDs to apply wall BC", NULL, bc->walls, &bc->num_wall, NULL)); 129 bc->num_comps = 5; 130 PetscCall(PetscOptionsIntArray("-wall_comps", "An array of constrained component numbers", NULL, bc->wall_comps, &bc->num_comps, &flg)); 131 // Slip Boundary Conditions 132 for (PetscInt j = 0; j < 3; j++) { 133 bc->num_slip[j] = 16; 134 PetscBool flg; 135 const char *flags[3] = {"-bc_slip_x", "-bc_slip_y", "-bc_slip_z"}; 136 PetscCall(PetscOptionsIntArray(flags[j], "Face IDs to apply slip BC", NULL, bc->slips[j], &bc->num_slip[j], &flg)); 137 if (flg) bc->user_bc = PETSC_TRUE; 138 } 139 140 // Error if wall and slip BCs are set on the same face 141 if (bc->user_bc) 142 for (PetscInt c = 0; c < 3; c++) 143 for (PetscInt s = 0; s < bc->num_slip[c]; s++) 144 for (PetscInt w = 0; w < bc->num_wall; w++) 145 if (bc->slips[c][s] == bc->walls[w]) 146 SETERRQ(PETSC_COMM_SELF, PETSC_ERR_ARG_WRONG, "Boundary condition already set on face %" PetscInt_FMT "!\n", bc->walls[w]); 147 148 // Inflow BCs 149 bc->num_inflow = 16; 150 PetscCall(PetscOptionsIntArray("-bc_inflow", "Face IDs to apply inflow BC", NULL, bc->inflows, &bc->num_inflow, NULL)); 151 // Outflow BCs 152 bc->num_outflow = 16; 153 PetscCall(PetscOptionsIntArray("-bc_outflow", "Face IDs to apply outflow BC", NULL, bc->outflows, &bc->num_outflow, NULL)); 154 // Freestream BCs 155 bc->num_freestream = 16; 156 PetscCall(PetscOptionsIntArray("-bc_freestream", "Face IDs to apply freestream BC", NULL, bc->freestreams, &bc->num_freestream, NULL)); 157 158 // Statistics Options 159 app_ctx->turb_spanstats_collect_interval = 1; 160 PetscCall(PetscOptionsInt("-ts_monitor_turbulence_spanstats_collect_interval", "Number of timesteps between statistics collection", NULL, 161 app_ctx->turb_spanstats_collect_interval, &app_ctx->turb_spanstats_collect_interval, NULL)); 162 163 app_ctx->turb_spanstats_viewer_interval = -1; 164 PetscCall(PetscOptionsInt("-ts_monitor_turbulence_spanstats_viewer_interval", "Number of timesteps between statistics viewer writing", NULL, 165 app_ctx->turb_spanstats_viewer_interval, &app_ctx->turb_spanstats_viewer_interval, NULL)); 166 167 PetscCall(PetscOptionsViewer("-ts_monitor_turbulence_spanstats_viewer", "Viewer for the statistics", NULL, &app_ctx->turb_spanstats_viewer, 168 &app_ctx->turb_spanstats_viewer_format, &app_ctx->turb_spanstats_enable)); 169 170 PetscOptionsEnd(); 171 172 PetscFunctionReturn(0); 173 } 174