1 // Copyright (c) 2017-2024, 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 #include "../qfunctions/grid_anisotropy_tensor.h" 9 10 #include <petscdmplex.h> 11 12 #include "../navierstokes.h" 13 14 PetscErrorCode GridAnisotropyTensorProjectionSetupApply(Ceed ceed, User user, CeedData ceed_data, CeedElemRestriction *elem_restr_grid_aniso, 15 CeedVector *grid_aniso_vector) { 16 NodalProjectionData grid_aniso_proj; 17 OperatorApplyContext l2_rhs_ctx; 18 CeedOperator op_rhs_assemble, op_mass; 19 CeedQFunction qf_rhs_assemble, qf_mass; 20 CeedBasis basis_grid_aniso; 21 CeedInt q_data_size; 22 MPI_Comm comm = PetscObjectComm((PetscObject)user->dm); 23 KSP ksp; 24 DMLabel domain_label = NULL; 25 PetscInt label_value = 0, height = 0, dm_field = 0; 26 27 PetscFunctionBeginUser; 28 PetscCall(PetscNew(&grid_aniso_proj)); 29 30 // -- Create DM for Anisotropic tensor L^2 projection 31 grid_aniso_proj->num_comp = 7; 32 PetscCall(DMClone(user->dm, &grid_aniso_proj->dm)); 33 PetscCall(PetscObjectSetName((PetscObject)grid_aniso_proj->dm, "Grid Anisotropy Tensor Projection")); 34 35 { // -- Setup DM 36 PetscSection section; 37 PetscCall(DMSetupByOrder_FEM(PETSC_TRUE, PETSC_TRUE, user->app_ctx->degree, 1, user->app_ctx->q_extra, 1, &grid_aniso_proj->num_comp, 38 grid_aniso_proj->dm)); 39 40 PetscCall(DMGetLocalSection(grid_aniso_proj->dm, §ion)); 41 PetscCall(PetscSectionSetFieldName(section, 0, "")); 42 PetscCall(PetscSectionSetComponentName(section, 0, 0, "KMGridAnisotropyTensorXX")); 43 PetscCall(PetscSectionSetComponentName(section, 0, 1, "KMGridAnisotropyTensorYY")); 44 PetscCall(PetscSectionSetComponentName(section, 0, 2, "KMGridAnisotropyTensorZZ")); 45 PetscCall(PetscSectionSetComponentName(section, 0, 3, "KMGridAnisotropyTensorYZ")); 46 PetscCall(PetscSectionSetComponentName(section, 0, 4, "KMGridAnisotropyTensorXZ")); 47 PetscCall(PetscSectionSetComponentName(section, 0, 5, "KMGridAnisotropyTensorXY")); 48 PetscCall(PetscSectionSetComponentName(section, 0, 6, "GridAnisotropyTensorFrobNorm")); 49 } 50 51 // -- Get Pre-requisite things 52 PetscCallCeed(ceed, CeedElemRestrictionGetNumComponents(ceed_data->elem_restr_qd_i, &q_data_size)); 53 54 PetscCall(DMPlexCeedElemRestrictionCreate(ceed, grid_aniso_proj->dm, domain_label, label_value, height, dm_field, elem_restr_grid_aniso)); 55 PetscCall(CreateBasisFromPlex(ceed, grid_aniso_proj->dm, domain_label, label_value, height, dm_field, &basis_grid_aniso)); 56 57 // -- Build RHS operator 58 PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, AnisotropyTensorProjection, AnisotropyTensorProjection_loc, &qf_rhs_assemble)); 59 PetscCallCeed(ceed, CeedQFunctionAddInput(qf_rhs_assemble, "qdata", q_data_size, CEED_EVAL_NONE)); 60 PetscCallCeed(ceed, CeedQFunctionAddOutput(qf_rhs_assemble, "v", grid_aniso_proj->num_comp, CEED_EVAL_INTERP)); 61 62 PetscCallCeed(ceed, CeedOperatorCreate(ceed, qf_rhs_assemble, NULL, NULL, &op_rhs_assemble)); 63 PetscCallCeed(ceed, CeedOperatorSetField(op_rhs_assemble, "qdata", ceed_data->elem_restr_qd_i, CEED_BASIS_NONE, ceed_data->q_data)); 64 PetscCallCeed(ceed, CeedOperatorSetField(op_rhs_assemble, "v", *elem_restr_grid_aniso, basis_grid_aniso, CEED_VECTOR_ACTIVE)); 65 66 PetscCall(OperatorApplyContextCreate(user->dm, grid_aniso_proj->dm, ceed, op_rhs_assemble, CEED_VECTOR_NONE, NULL, NULL, NULL, &l2_rhs_ctx)); 67 68 // -- Build Mass Operator 69 PetscCall(CreateMassQFunction(ceed, grid_aniso_proj->num_comp, q_data_size, &qf_mass)); 70 PetscCallCeed(ceed, CeedOperatorCreate(ceed, qf_mass, NULL, NULL, &op_mass)); 71 PetscCallCeed(ceed, CeedOperatorSetField(op_mass, "u", *elem_restr_grid_aniso, basis_grid_aniso, CEED_VECTOR_ACTIVE)); 72 PetscCallCeed(ceed, CeedOperatorSetField(op_mass, "qdata", ceed_data->elem_restr_qd_i, CEED_BASIS_NONE, ceed_data->q_data)); 73 PetscCallCeed(ceed, CeedOperatorSetField(op_mass, "v", *elem_restr_grid_aniso, basis_grid_aniso, CEED_VECTOR_ACTIVE)); 74 75 { // -- Setup KSP for L^2 projection 76 Mat mat_mass; 77 78 PetscCall(MatCeedCreate(grid_aniso_proj->dm, grid_aniso_proj->dm, op_mass, NULL, &mat_mass)); 79 80 PetscCall(KSPCreate(comm, &ksp)); 81 PetscCall(KSPSetOptionsPrefix(ksp, "grid_anisotropy_tensor_projection_")); 82 { 83 PC pc; 84 PetscCall(KSPGetPC(ksp, &pc)); 85 PetscCall(PCSetType(pc, PCJACOBI)); 86 PetscCall(PCJacobiSetType(pc, PC_JACOBI_DIAGONAL)); 87 PetscCall(KSPSetType(ksp, KSPCG)); 88 PetscCall(KSPSetNormType(ksp, KSP_NORM_NATURAL)); 89 PetscCall(KSPSetTolerances(ksp, 1e-10, PETSC_DEFAULT, PETSC_DEFAULT, PETSC_DEFAULT)); 90 } 91 PetscCall(KSPSetFromOptions_WithMatCeed(ksp, mat_mass)); 92 PetscCall(MatDestroy(&mat_mass)); 93 } 94 95 { // -- Project anisotropy data and store in CeedVector 96 Vec Grid_Anisotropy, grid_anisotropy_loc; 97 98 // Get L^2 Projection RHS 99 PetscCall(DMGetGlobalVector(grid_aniso_proj->dm, &Grid_Anisotropy)); 100 101 PetscCall(ApplyCeedOperatorLocalToGlobal(NULL, Grid_Anisotropy, l2_rhs_ctx)); 102 103 // Solve projection problem 104 PetscCall(KSPSolve(ksp, Grid_Anisotropy, Grid_Anisotropy)); 105 106 // Copy anisotropy tensor data to CeedVector 107 PetscCall(DMGetLocalVector(grid_aniso_proj->dm, &grid_anisotropy_loc)); 108 PetscCallCeed(ceed, CeedElemRestrictionCreateVector(*elem_restr_grid_aniso, grid_aniso_vector, NULL)); 109 PetscCall(DMGlobalToLocal(grid_aniso_proj->dm, Grid_Anisotropy, INSERT_VALUES, grid_anisotropy_loc)); 110 PetscCall(VecCopyPetscToCeed(grid_anisotropy_loc, *grid_aniso_vector)); 111 PetscCall(DMRestoreLocalVector(grid_aniso_proj->dm, &grid_anisotropy_loc)); 112 PetscCall(DMRestoreGlobalVector(grid_aniso_proj->dm, &Grid_Anisotropy)); 113 } 114 115 // -- Cleanup 116 PetscCall(NodalProjectionDataDestroy(grid_aniso_proj)); 117 PetscCall(OperatorApplyContextDestroy(l2_rhs_ctx)); 118 PetscCallCeed(ceed, CeedQFunctionDestroy(&qf_rhs_assemble)); 119 PetscCallCeed(ceed, CeedQFunctionDestroy(&qf_mass)); 120 PetscCallCeed(ceed, CeedBasisDestroy(&basis_grid_aniso)); 121 PetscCallCeed(ceed, CeedOperatorDestroy(&op_rhs_assemble)); 122 PetscCallCeed(ceed, CeedOperatorDestroy(&op_mass)); 123 PetscCall(KSPDestroy(&ksp)); 124 PetscFunctionReturn(PETSC_SUCCESS); 125 } 126 127 PetscErrorCode GridAnisotropyTensorCalculateCollocatedVector(Ceed ceed, User user, CeedData ceed_data, CeedElemRestriction *elem_restr_grid_aniso, 128 CeedVector *aniso_colloc_ceed, PetscInt *num_comp_aniso) { 129 CeedInt q_data_size, num_nodes; 130 CeedQFunction qf_colloc; 131 CeedOperator op_colloc; 132 DMLabel domain_label = NULL; 133 PetscInt label_value = 0, height = 0; 134 135 PetscFunctionBeginUser; 136 *num_comp_aniso = 7; 137 PetscCallCeed(ceed, CeedBasisGetNumNodes(ceed_data->basis_q, &num_nodes)); 138 PetscCallCeed(ceed, CeedElemRestrictionGetNumComponents(ceed_data->elem_restr_qd_i, &q_data_size)); 139 PetscCall(DMPlexCeedElemRestrictionQDataCreate(ceed, user->dm, domain_label, label_value, height, *num_comp_aniso, elem_restr_grid_aniso)); 140 141 // -- Build collocation operator 142 PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, AnisotropyTensorCollocate, AnisotropyTensorCollocate_loc, &qf_colloc)); 143 PetscCallCeed(ceed, CeedQFunctionAddInput(qf_colloc, "qdata", q_data_size, CEED_EVAL_NONE)); 144 PetscCallCeed(ceed, CeedQFunctionAddOutput(qf_colloc, "v", *num_comp_aniso, CEED_EVAL_NONE)); 145 146 PetscCallCeed(ceed, CeedOperatorCreate(ceed, qf_colloc, NULL, NULL, &op_colloc)); 147 PetscCallCeed(ceed, CeedOperatorSetField(op_colloc, "qdata", ceed_data->elem_restr_qd_i, CEED_BASIS_NONE, ceed_data->q_data)); 148 PetscCallCeed(ceed, CeedOperatorSetField(op_colloc, "v", *elem_restr_grid_aniso, CEED_BASIS_NONE, CEED_VECTOR_ACTIVE)); 149 150 PetscCallCeed(ceed, CeedElemRestrictionCreateVector(*elem_restr_grid_aniso, aniso_colloc_ceed, NULL)); 151 152 PetscCallCeed(ceed, CeedOperatorApply(op_colloc, CEED_VECTOR_NONE, *aniso_colloc_ceed, CEED_REQUEST_IMMEDIATE)); 153 154 PetscCallCeed(ceed, CeedQFunctionDestroy(&qf_colloc)); 155 PetscCallCeed(ceed, CeedOperatorDestroy(&op_colloc)); 156 PetscFunctionReturn(PETSC_SUCCESS); 157 } 158