1 // SPDX-FileCopyrightText: Copyright (c) 2017-2024, HONEE contributors. 2 // SPDX-License-Identifier: Apache-2.0 OR BSD-2-Clause 3 4 #include "../qfunctions/grid_anisotropy_tensor.h" 5 6 #include <petscdmplex.h> 7 8 #include <navierstokes.h> 9 10 PetscErrorCode GridAnisotropyTensorProjectionSetupApply(Ceed ceed, User user, CeedData ceed_data, CeedElemRestriction *elem_restr_grid_aniso, 11 CeedVector *grid_aniso_vector) { 12 NodalProjectionData grid_aniso_proj; 13 OperatorApplyContext l2_rhs_ctx; 14 CeedOperator op_rhs_assemble, op_mass; 15 CeedQFunction qf_rhs_assemble, qf_mass; 16 CeedBasis basis_grid_aniso; 17 CeedInt q_data_size; 18 MPI_Comm comm = PetscObjectComm((PetscObject)user->dm); 19 KSP ksp; 20 DMLabel domain_label = NULL; 21 PetscInt label_value = 0, height = 0, dm_field = 0; 22 23 PetscFunctionBeginUser; 24 PetscCall(PetscNew(&grid_aniso_proj)); 25 26 // -- Create DM for Anisotropic tensor L^2 projection 27 grid_aniso_proj->num_comp = 7; 28 PetscCall(DMClone(user->dm, &grid_aniso_proj->dm)); 29 PetscCall(DMSetMatrixPreallocateSkip(grid_aniso_proj->dm, PETSC_TRUE)); 30 PetscCall(PetscObjectSetName((PetscObject)grid_aniso_proj->dm, "Grid Anisotropy Tensor Projection")); 31 32 { // -- Setup DM 33 PetscSection section; 34 PetscCall(DMSetupByOrder_FEM(PETSC_TRUE, PETSC_TRUE, user->app_ctx->degree, 1, user->app_ctx->q_extra, 1, &grid_aniso_proj->num_comp, 35 grid_aniso_proj->dm)); 36 37 PetscCall(DMGetLocalSection(grid_aniso_proj->dm, §ion)); 38 PetscCall(PetscSectionSetFieldName(section, 0, "")); 39 PetscCall(PetscSectionSetComponentName(section, 0, 0, "KMGridAnisotropyTensorXX")); 40 PetscCall(PetscSectionSetComponentName(section, 0, 1, "KMGridAnisotropyTensorYY")); 41 PetscCall(PetscSectionSetComponentName(section, 0, 2, "KMGridAnisotropyTensorZZ")); 42 PetscCall(PetscSectionSetComponentName(section, 0, 3, "KMGridAnisotropyTensorYZ")); 43 PetscCall(PetscSectionSetComponentName(section, 0, 4, "KMGridAnisotropyTensorXZ")); 44 PetscCall(PetscSectionSetComponentName(section, 0, 5, "KMGridAnisotropyTensorXY")); 45 PetscCall(PetscSectionSetComponentName(section, 0, 6, "GridAnisotropyTensorFrobNorm")); 46 } 47 48 // -- Get Pre-requisite things 49 PetscCallCeed(ceed, CeedElemRestrictionGetNumComponents(ceed_data->elem_restr_qd_i, &q_data_size)); 50 51 PetscCall(DMPlexCeedElemRestrictionCreate(ceed, grid_aniso_proj->dm, domain_label, label_value, height, dm_field, elem_restr_grid_aniso)); 52 PetscCall(CreateBasisFromPlex(ceed, grid_aniso_proj->dm, domain_label, label_value, height, dm_field, &basis_grid_aniso)); 53 54 // -- Build RHS operator 55 PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, AnisotropyTensorProjection, AnisotropyTensorProjection_loc, &qf_rhs_assemble)); 56 PetscCallCeed(ceed, CeedQFunctionAddInput(qf_rhs_assemble, "qdata", q_data_size, CEED_EVAL_NONE)); 57 PetscCallCeed(ceed, CeedQFunctionAddOutput(qf_rhs_assemble, "v", grid_aniso_proj->num_comp, CEED_EVAL_INTERP)); 58 59 PetscCallCeed(ceed, CeedOperatorCreate(ceed, qf_rhs_assemble, NULL, NULL, &op_rhs_assemble)); 60 PetscCallCeed(ceed, CeedOperatorSetField(op_rhs_assemble, "qdata", ceed_data->elem_restr_qd_i, CEED_BASIS_NONE, ceed_data->q_data)); 61 PetscCallCeed(ceed, CeedOperatorSetField(op_rhs_assemble, "v", *elem_restr_grid_aniso, basis_grid_aniso, CEED_VECTOR_ACTIVE)); 62 63 PetscCall(OperatorApplyContextCreate(user->dm, grid_aniso_proj->dm, ceed, op_rhs_assemble, CEED_VECTOR_NONE, NULL, NULL, NULL, &l2_rhs_ctx)); 64 65 // -- Build Mass Operator 66 PetscCall(CreateMassQFunction(ceed, grid_aniso_proj->num_comp, q_data_size, &qf_mass)); 67 PetscCallCeed(ceed, CeedOperatorCreate(ceed, qf_mass, NULL, NULL, &op_mass)); 68 PetscCallCeed(ceed, CeedOperatorSetField(op_mass, "u", *elem_restr_grid_aniso, basis_grid_aniso, CEED_VECTOR_ACTIVE)); 69 PetscCallCeed(ceed, CeedOperatorSetField(op_mass, "qdata", ceed_data->elem_restr_qd_i, CEED_BASIS_NONE, ceed_data->q_data)); 70 PetscCallCeed(ceed, CeedOperatorSetField(op_mass, "v", *elem_restr_grid_aniso, basis_grid_aniso, CEED_VECTOR_ACTIVE)); 71 72 { // -- Setup KSP for L^2 projection 73 Mat mat_mass; 74 75 PetscCall(MatCreateCeed(grid_aniso_proj->dm, grid_aniso_proj->dm, op_mass, NULL, &mat_mass)); 76 77 PetscCall(KSPCreate(comm, &ksp)); 78 PetscCall(KSPSetOptionsPrefix(ksp, "grid_anisotropy_tensor_projection_")); 79 { 80 PC pc; 81 PetscCall(KSPGetPC(ksp, &pc)); 82 PetscCall(PCSetType(pc, PCJACOBI)); 83 PetscCall(PCJacobiSetType(pc, PC_JACOBI_DIAGONAL)); 84 PetscCall(KSPSetType(ksp, KSPCG)); 85 PetscCall(KSPSetNormType(ksp, KSP_NORM_NATURAL)); 86 PetscCall(KSPSetTolerances(ksp, 1e-10, PETSC_DEFAULT, PETSC_DEFAULT, PETSC_DEFAULT)); 87 } 88 PetscCall(KSPSetFromOptions_WithMatCeed(ksp, mat_mass)); 89 PetscCall(MatDestroy(&mat_mass)); 90 } 91 92 { // -- Project anisotropy data and store in CeedVector 93 Vec Grid_Anisotropy, grid_anisotropy_loc; 94 95 // Get L^2 Projection RHS 96 PetscCall(DMGetGlobalVector(grid_aniso_proj->dm, &Grid_Anisotropy)); 97 98 PetscCall(ApplyCeedOperatorLocalToGlobal(NULL, Grid_Anisotropy, l2_rhs_ctx)); 99 100 // Solve projection problem 101 PetscCall(KSPSolve(ksp, Grid_Anisotropy, Grid_Anisotropy)); 102 103 // Copy anisotropy tensor data to CeedVector 104 PetscCall(DMGetLocalVector(grid_aniso_proj->dm, &grid_anisotropy_loc)); 105 PetscCallCeed(ceed, CeedElemRestrictionCreateVector(*elem_restr_grid_aniso, grid_aniso_vector, NULL)); 106 PetscCall(DMGlobalToLocal(grid_aniso_proj->dm, Grid_Anisotropy, INSERT_VALUES, grid_anisotropy_loc)); 107 PetscCall(VecCopyPetscToCeed(grid_anisotropy_loc, *grid_aniso_vector)); 108 PetscCall(DMRestoreLocalVector(grid_aniso_proj->dm, &grid_anisotropy_loc)); 109 PetscCall(DMRestoreGlobalVector(grid_aniso_proj->dm, &Grid_Anisotropy)); 110 } 111 112 // -- Cleanup 113 PetscCall(NodalProjectionDataDestroy(grid_aniso_proj)); 114 PetscCall(OperatorApplyContextDestroy(l2_rhs_ctx)); 115 PetscCallCeed(ceed, CeedQFunctionDestroy(&qf_rhs_assemble)); 116 PetscCallCeed(ceed, CeedQFunctionDestroy(&qf_mass)); 117 PetscCallCeed(ceed, CeedBasisDestroy(&basis_grid_aniso)); 118 PetscCallCeed(ceed, CeedOperatorDestroy(&op_rhs_assemble)); 119 PetscCallCeed(ceed, CeedOperatorDestroy(&op_mass)); 120 PetscCall(KSPDestroy(&ksp)); 121 PetscFunctionReturn(PETSC_SUCCESS); 122 } 123 124 PetscErrorCode GridAnisotropyTensorCalculateCollocatedVector(Ceed ceed, User user, CeedData ceed_data, CeedElemRestriction *elem_restr_grid_aniso, 125 CeedVector *aniso_colloc_ceed, PetscInt *num_comp_aniso) { 126 CeedInt q_data_size, num_nodes; 127 CeedQFunction qf_colloc; 128 CeedOperator op_colloc; 129 DMLabel domain_label = NULL; 130 PetscInt label_value = 0, height = 0; 131 132 PetscFunctionBeginUser; 133 *num_comp_aniso = 7; 134 PetscCallCeed(ceed, CeedBasisGetNumNodes(ceed_data->basis_q, &num_nodes)); 135 PetscCallCeed(ceed, CeedElemRestrictionGetNumComponents(ceed_data->elem_restr_qd_i, &q_data_size)); 136 PetscCall(DMPlexCeedElemRestrictionQDataCreate(ceed, user->dm, domain_label, label_value, height, *num_comp_aniso, elem_restr_grid_aniso)); 137 138 // -- Build collocation operator 139 PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, AnisotropyTensorCollocate, AnisotropyTensorCollocate_loc, &qf_colloc)); 140 PetscCallCeed(ceed, CeedQFunctionAddInput(qf_colloc, "qdata", q_data_size, CEED_EVAL_NONE)); 141 PetscCallCeed(ceed, CeedQFunctionAddOutput(qf_colloc, "v", *num_comp_aniso, CEED_EVAL_NONE)); 142 143 PetscCallCeed(ceed, CeedOperatorCreate(ceed, qf_colloc, NULL, NULL, &op_colloc)); 144 PetscCallCeed(ceed, CeedOperatorSetField(op_colloc, "qdata", ceed_data->elem_restr_qd_i, CEED_BASIS_NONE, ceed_data->q_data)); 145 PetscCallCeed(ceed, CeedOperatorSetField(op_colloc, "v", *elem_restr_grid_aniso, CEED_BASIS_NONE, CEED_VECTOR_ACTIVE)); 146 147 PetscCallCeed(ceed, CeedElemRestrictionCreateVector(*elem_restr_grid_aniso, aniso_colloc_ceed, NULL)); 148 149 PetscCallCeed(ceed, CeedOperatorApply(op_colloc, CEED_VECTOR_NONE, *aniso_colloc_ceed, CEED_REQUEST_IMMEDIATE)); 150 151 PetscCallCeed(ceed, CeedQFunctionDestroy(&qf_colloc)); 152 PetscCallCeed(ceed, CeedOperatorDestroy(&op_colloc)); 153 PetscFunctionReturn(PETSC_SUCCESS); 154 } 155