// SPDX-FileCopyrightText: Copyright (c) 2017-2024, HONEE contributors. // SPDX-License-Identifier: Apache-2.0 OR BSD-2-Clause /// @file /// Setup libCEED Operators for HONEE #include #include #include #include // @brief Create CeedOperator for unstabilized mass KSP for explicit timestepping static PetscErrorCode CreateKSPMassOperator_Unstabilized(Honee honee, CeedOperator *op_mass) { Ceed ceed = honee->ceed; CeedInt num_comp_q, q_data_size; CeedQFunction qf_mass; CeedElemRestriction elem_restr_q, elem_restr_qd; CeedBasis basis_q; CeedVector q_data; PetscFunctionBeginUser; { // Get restriction and basis from the RHS function CeedOperator *sub_ops; CeedOperatorField op_field; PetscInt sub_op_index = 0; // will be 0 for the volume op PetscCallCeed(ceed, CeedOperatorCompositeGetSubList(honee->op_rhs_ctx->op, &sub_ops)); PetscCallCeed(ceed, CeedOperatorGetFieldByName(sub_ops[sub_op_index], "q", &op_field)); PetscCallCeed(ceed, CeedOperatorFieldGetData(op_field, NULL, &elem_restr_q, &basis_q, NULL)); PetscCallCeed(ceed, CeedOperatorGetFieldByName(sub_ops[sub_op_index], "qdata", &op_field)); PetscCallCeed(ceed, CeedOperatorFieldGetData(op_field, NULL, &elem_restr_qd, NULL, &q_data)); } PetscCallCeed(ceed, CeedElemRestrictionGetNumComponents(elem_restr_q, &num_comp_q)); PetscCallCeed(ceed, CeedElemRestrictionGetNumComponents(elem_restr_qd, &q_data_size)); PetscCall(HoneeMassQFunctionCreate(ceed, num_comp_q, q_data_size, &qf_mass)); PetscCallCeed(ceed, CeedOperatorCreate(ceed, qf_mass, NULL, NULL, op_mass)); PetscCallCeed(ceed, CeedOperatorSetName(*op_mass, "RHS Mass Operator")); PetscCallCeed(ceed, CeedOperatorSetField(*op_mass, "u", elem_restr_q, basis_q, CEED_VECTOR_ACTIVE)); PetscCallCeed(ceed, CeedOperatorSetField(*op_mass, "qdata", elem_restr_qd, CEED_BASIS_NONE, q_data)); PetscCallCeed(ceed, CeedOperatorSetField(*op_mass, "v", elem_restr_q, basis_q, CEED_VECTOR_ACTIVE)); PetscCallCeed(ceed, CeedVectorDestroy(&q_data)); PetscCallCeed(ceed, CeedBasisDestroy(&basis_q)); PetscCallCeed(ceed, CeedElemRestrictionDestroy(&elem_restr_q)); PetscCallCeed(ceed, CeedElemRestrictionDestroy(&elem_restr_qd)); PetscCallCeed(ceed, CeedQFunctionDestroy(&qf_mass)); PetscFunctionReturn(PETSC_SUCCESS); } // @brief Create KSP to solve the inverse mass operator for explicit time stepping schemes static PetscErrorCode CreateKSPMass(Honee honee, ProblemData problem) { Ceed ceed = honee->ceed; DM dm = honee->dm; CeedOperator op_mass; PetscFunctionBeginUser; if (problem->create_mass_operator) PetscCall(problem->create_mass_operator(honee, &op_mass)); else PetscCall(CreateKSPMassOperator_Unstabilized(honee, &op_mass)); { // -- Setup KSP for mass operator Mat mat_mass; Vec Zeros_loc; MPI_Comm comm = PetscObjectComm((PetscObject)dm); PetscCall(DMCreateLocalVector(dm, &Zeros_loc)); PetscCall(VecZeroEntries(Zeros_loc)); PetscCall(MatCreateCeed(dm, dm, op_mass, NULL, &mat_mass)); PetscCall(MatCeedSetLocalVectors(mat_mass, Zeros_loc, NULL)); PetscCall(KSPCreate(comm, &honee->mass_ksp)); PetscCall(KSPSetOptionsPrefix(honee->mass_ksp, "mass_")); PetscCall(PetscObjectSetName((PetscObject)honee->mass_ksp, "Explicit Mass")); { // lumped by default PC pc; PetscCall(KSPGetPC(honee->mass_ksp, &pc)); PetscCall(PCSetType(pc, PCJACOBI)); PetscCall(PCJacobiSetType(pc, PC_JACOBI_ROWSUM)); PetscCall(KSPSetType(honee->mass_ksp, KSPPREONLY)); } PetscCall(KSPSetFromOptions_WithMatCeed(honee->mass_ksp, mat_mass)); PetscCall(VecDestroy(&Zeros_loc)); PetscCall(MatDestroy(&mat_mass)); } PetscCallCeed(ceed, CeedOperatorDestroy(&op_mass)); PetscFunctionReturn(PETSC_SUCCESS); } PetscErrorCode SetupLibceed(Ceed ceed, DM dm, Honee honee, AppCtx app_ctx, ProblemData problem) { const PetscInt num_comp_q = problem->num_components; PetscInt dim, num_comp_x; CeedInt q_data_size_vol, num_comps_jac_data = problem->num_comps_jac_data; CeedElemRestriction elem_restr_qd, elem_restr_q, elem_restr_x, elem_restr_jd_i = NULL; CeedBasis basis_q, basis_x; CeedVector q_data, x_coord, jac_data = NULL; CeedOperator op_ifunction_vol = NULL, op_rhs_vol = NULL, op_ijacobian_vol = NULL; PetscFunctionBeginUser; PetscCall(DMGetDimension(dm, &dim)); PetscCall(DMGetCoordinateNumComps(dm, &num_comp_x)); CeedElemRestriction elem_restr_diff_flux = NULL; CeedVector div_diff_flux_ceed = NULL; CeedBasis basis_diff_flux = NULL; CeedEvalMode eval_mode_diff_flux = -1; { // Create bases and element restrictions PetscInt height = 0, dm_field = 0; DM dm_coord; PetscCall(DMGetCoordinateDM(dm, &dm_coord)); PetscCall(DMPlexCeedBasisCreate(ceed, dm, DMLABEL_DEFAULT, DMLABEL_DEFAULT_VALUE, height, dm_field, &basis_q)); PetscCall(DMPlexCeedElemRestrictionCreate(ceed, dm, DMLABEL_DEFAULT, DMLABEL_DEFAULT_VALUE, height, 0, &elem_restr_q)); if (num_comps_jac_data) { PetscCall(DMPlexCeedElemRestrictionQDataCreate(ceed, dm, DMLABEL_DEFAULT, DMLABEL_DEFAULT_VALUE, height, num_comps_jac_data, &elem_restr_jd_i)); PetscCallCeed(ceed, CeedElemRestrictionCreateVector(elem_restr_jd_i, &jac_data, NULL)); } PetscCallCeed(ceed, CeedElemRestrictionCreateVector(elem_restr_q, &honee->q_ceed, NULL)); PetscCallCeed(ceed, CeedElemRestrictionCreateVector(elem_restr_q, &honee->q_dot_ceed, NULL)); PetscCallCeed(ceed, CeedElemRestrictionCreateVector(elem_restr_q, &honee->g_ceed, NULL)); PetscCall(DMPlexCeedCoordinateCreateField(ceed, dm, DMLABEL_DEFAULT, DMLABEL_DEFAULT_VALUE, height, &elem_restr_x, &basis_x, &x_coord)); PetscCall(QDataGet(ceed, dm, DMLABEL_DEFAULT, DMLABEL_DEFAULT_VALUE, &elem_restr_qd, &q_data, &q_data_size_vol)); } if (app_ctx->divFdiffproj_method != DIV_DIFF_FLUX_PROJ_NONE) { PetscCheck(honee->diff_flux_proj, honee->comm, PETSC_ERR_ARG_WRONGSTATE, "Divergence of diffusive flux projection requested but object not created"); PetscCall(DivDiffFluxProjectionGetOperatorFieldData(honee->diff_flux_proj, &elem_restr_diff_flux, &basis_diff_flux, &div_diff_flux_ceed, &eval_mode_diff_flux)); } { // -- Create QFunction for ICs CeedBasis basis_xc; CeedQFunction qf_ics; CeedOperator op_ics; PetscCallCeed(ceed, CeedBasisCreateProjection(basis_x, basis_q, &basis_xc)); PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, problem->ics.qf_func_ptr, problem->ics.qf_loc, &qf_ics)); PetscCallCeed(ceed, CeedQFunctionSetContext(qf_ics, problem->ics.qfctx)); PetscCallCeed(ceed, CeedQFunctionSetUserFlopsEstimate(qf_ics, 0)); PetscCallCeed(ceed, CeedQFunctionAddInput(qf_ics, "x", num_comp_x, CEED_EVAL_INTERP)); PetscCallCeed(ceed, CeedQFunctionAddInput(qf_ics, "dx", num_comp_x * dim, CEED_EVAL_GRAD)); PetscCallCeed(ceed, CeedQFunctionAddOutput(qf_ics, "q0", num_comp_q, CEED_EVAL_NONE)); PetscCallCeed(ceed, CeedOperatorCreate(ceed, qf_ics, NULL, NULL, &op_ics)); PetscCallCeed(ceed, CeedOperatorSetField(op_ics, "x", elem_restr_x, basis_xc, CEED_VECTOR_ACTIVE)); PetscCallCeed(ceed, CeedOperatorSetField(op_ics, "dx", elem_restr_x, basis_xc, CEED_VECTOR_ACTIVE)); PetscCallCeed(ceed, CeedOperatorSetField(op_ics, "q0", elem_restr_q, CEED_BASIS_NONE, CEED_VECTOR_ACTIVE)); PetscCallCeed(ceed, CeedOperatorGetContextFieldLabel(op_ics, "evaluation time", &honee->phys->ics_time_label)); PetscCall(OperatorApplyContextCreate(NULL, dm, honee->ceed, op_ics, x_coord, NULL, NULL, honee->Q_loc, &honee->op_ics_ctx)); PetscCallCeed(ceed, CeedBasisDestroy(&basis_xc)); PetscCallCeed(ceed, CeedQFunctionDestroy(&qf_ics)); PetscCallCeed(ceed, CeedOperatorDestroy(&op_ics)); } if (problem->apply_vol_rhs.qf_func_ptr) { CeedQFunction qf_rhs_vol; PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, problem->apply_vol_rhs.qf_func_ptr, problem->apply_vol_rhs.qf_loc, &qf_rhs_vol)); PetscCallCeed(ceed, CeedQFunctionSetContext(qf_rhs_vol, problem->apply_vol_rhs.qfctx)); PetscCallCeed(ceed, CeedQFunctionSetUserFlopsEstimate(qf_rhs_vol, 0)); PetscCallCeed(ceed, CeedQFunctionAddInput(qf_rhs_vol, "q", num_comp_q, CEED_EVAL_INTERP)); PetscCallCeed(ceed, CeedQFunctionAddInput(qf_rhs_vol, "Grad_q", num_comp_q * dim, CEED_EVAL_GRAD)); PetscCallCeed(ceed, CeedQFunctionAddInput(qf_rhs_vol, "qdata", q_data_size_vol, CEED_EVAL_NONE)); PetscCallCeed(ceed, CeedQFunctionAddInput(qf_rhs_vol, "x", num_comp_x, CEED_EVAL_INTERP)); if (app_ctx->divFdiffproj_method != DIV_DIFF_FLUX_PROJ_NONE) PetscCallCeed(ceed, CeedQFunctionAddInput(qf_rhs_vol, "div F_diff", honee->diff_flux_proj->num_diff_flux_comps, eval_mode_diff_flux)); PetscCallCeed(ceed, CeedQFunctionAddOutput(qf_rhs_vol, "v", num_comp_q, CEED_EVAL_INTERP)); PetscCallCeed(ceed, CeedQFunctionAddOutput(qf_rhs_vol, "Grad_v", num_comp_q * dim, CEED_EVAL_GRAD)); PetscCallCeed(ceed, CeedOperatorCreate(ceed, qf_rhs_vol, NULL, NULL, &op_rhs_vol)); PetscCallCeed(ceed, CeedOperatorSetField(op_rhs_vol, "q", elem_restr_q, basis_q, CEED_VECTOR_ACTIVE)); PetscCallCeed(ceed, CeedOperatorSetField(op_rhs_vol, "Grad_q", elem_restr_q, basis_q, CEED_VECTOR_ACTIVE)); PetscCallCeed(ceed, CeedOperatorSetField(op_rhs_vol, "qdata", elem_restr_qd, CEED_BASIS_NONE, q_data)); PetscCallCeed(ceed, CeedOperatorSetField(op_rhs_vol, "x", elem_restr_x, basis_x, x_coord)); if (app_ctx->divFdiffproj_method != DIV_DIFF_FLUX_PROJ_NONE) PetscCallCeed(ceed, CeedOperatorSetField(op_rhs_vol, "div F_diff", elem_restr_diff_flux, basis_diff_flux, div_diff_flux_ceed)); PetscCallCeed(ceed, CeedOperatorSetField(op_rhs_vol, "v", elem_restr_q, basis_q, CEED_VECTOR_ACTIVE)); PetscCallCeed(ceed, CeedOperatorSetField(op_rhs_vol, "Grad_v", elem_restr_q, basis_q, CEED_VECTOR_ACTIVE)); PetscCallCeed(ceed, CeedQFunctionDestroy(&qf_rhs_vol)); } if (problem->apply_vol_ifunction.qf_func_ptr) { CeedQFunction qf_ifunction_vol; PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, problem->apply_vol_ifunction.qf_func_ptr, problem->apply_vol_ifunction.qf_loc, &qf_ifunction_vol)); PetscCallCeed(ceed, CeedQFunctionSetContext(qf_ifunction_vol, problem->apply_vol_ifunction.qfctx)); PetscCallCeed(ceed, CeedQFunctionSetUserFlopsEstimate(qf_ifunction_vol, 0)); PetscCallCeed(ceed, CeedQFunctionAddInput(qf_ifunction_vol, "q", num_comp_q, CEED_EVAL_INTERP)); PetscCallCeed(ceed, CeedQFunctionAddInput(qf_ifunction_vol, "Grad_q", num_comp_q * dim, CEED_EVAL_GRAD)); PetscCallCeed(ceed, CeedQFunctionAddInput(qf_ifunction_vol, "q dot", num_comp_q, CEED_EVAL_INTERP)); PetscCallCeed(ceed, CeedQFunctionAddInput(qf_ifunction_vol, "qdata", q_data_size_vol, CEED_EVAL_NONE)); PetscCallCeed(ceed, CeedQFunctionAddInput(qf_ifunction_vol, "x", num_comp_x, CEED_EVAL_INTERP)); if (app_ctx->divFdiffproj_method != DIV_DIFF_FLUX_PROJ_NONE) PetscCallCeed(ceed, CeedQFunctionAddInput(qf_ifunction_vol, "div F_diff", honee->diff_flux_proj->num_diff_flux_comps, eval_mode_diff_flux)); PetscCallCeed(ceed, CeedQFunctionAddOutput(qf_ifunction_vol, "v", num_comp_q, CEED_EVAL_INTERP)); PetscCallCeed(ceed, CeedQFunctionAddOutput(qf_ifunction_vol, "Grad_v", num_comp_q * dim, CEED_EVAL_GRAD)); if (num_comps_jac_data) PetscCallCeed(ceed, CeedQFunctionAddOutput(qf_ifunction_vol, "jac_data", num_comps_jac_data, CEED_EVAL_NONE)); PetscCallCeed(ceed, CeedOperatorCreate(ceed, qf_ifunction_vol, NULL, NULL, &op_ifunction_vol)); PetscCallCeed(ceed, CeedOperatorSetField(op_ifunction_vol, "q", elem_restr_q, basis_q, CEED_VECTOR_ACTIVE)); PetscCallCeed(ceed, CeedOperatorSetField(op_ifunction_vol, "Grad_q", elem_restr_q, basis_q, CEED_VECTOR_ACTIVE)); PetscCallCeed(ceed, CeedOperatorSetField(op_ifunction_vol, "q dot", elem_restr_q, basis_q, honee->q_dot_ceed)); PetscCallCeed(ceed, CeedOperatorSetField(op_ifunction_vol, "qdata", elem_restr_qd, CEED_BASIS_NONE, q_data)); PetscCallCeed(ceed, CeedOperatorSetField(op_ifunction_vol, "x", elem_restr_x, basis_x, x_coord)); if (app_ctx->divFdiffproj_method != DIV_DIFF_FLUX_PROJ_NONE) PetscCallCeed(ceed, CeedOperatorSetField(op_ifunction_vol, "div F_diff", elem_restr_diff_flux, basis_diff_flux, div_diff_flux_ceed)); PetscCallCeed(ceed, CeedOperatorSetField(op_ifunction_vol, "v", elem_restr_q, basis_q, CEED_VECTOR_ACTIVE)); PetscCallCeed(ceed, CeedOperatorSetField(op_ifunction_vol, "Grad_v", elem_restr_q, basis_q, CEED_VECTOR_ACTIVE)); if (num_comps_jac_data) PetscCallCeed(ceed, CeedOperatorSetField(op_ifunction_vol, "jac_data", elem_restr_jd_i, CEED_BASIS_NONE, jac_data)); PetscCallCeed(ceed, CeedQFunctionDestroy(&qf_ifunction_vol)); } if (problem->apply_vol_ijacobian.qf_func_ptr) { CeedQFunction qf_ijacobian_vol; PetscCallCeed(ceed, CeedQFunctionCreateInterior(ceed, 1, problem->apply_vol_ijacobian.qf_func_ptr, problem->apply_vol_ijacobian.qf_loc, &qf_ijacobian_vol)); PetscCallCeed(ceed, CeedQFunctionSetContext(qf_ijacobian_vol, problem->apply_vol_ijacobian.qfctx)); PetscCallCeed(ceed, CeedQFunctionSetUserFlopsEstimate(qf_ijacobian_vol, 0)); PetscCallCeed(ceed, CeedQFunctionAddInput(qf_ijacobian_vol, "dq", num_comp_q, CEED_EVAL_INTERP)); PetscCallCeed(ceed, CeedQFunctionAddInput(qf_ijacobian_vol, "Grad_dq", num_comp_q * dim, CEED_EVAL_GRAD)); PetscCallCeed(ceed, CeedQFunctionAddInput(qf_ijacobian_vol, "qdata", q_data_size_vol, CEED_EVAL_NONE)); if (num_comps_jac_data) PetscCallCeed(ceed, CeedQFunctionAddInput(qf_ijacobian_vol, "jac_data", num_comps_jac_data, CEED_EVAL_NONE)); PetscCallCeed(ceed, CeedQFunctionAddOutput(qf_ijacobian_vol, "v", num_comp_q, CEED_EVAL_INTERP)); PetscCallCeed(ceed, CeedQFunctionAddOutput(qf_ijacobian_vol, "Grad_v", num_comp_q * dim, CEED_EVAL_GRAD)); PetscCallCeed(ceed, CeedOperatorCreate(ceed, qf_ijacobian_vol, NULL, NULL, &op_ijacobian_vol)); PetscCallCeed(ceed, CeedOperatorSetField(op_ijacobian_vol, "dq", elem_restr_q, basis_q, CEED_VECTOR_ACTIVE)); PetscCallCeed(ceed, CeedOperatorSetField(op_ijacobian_vol, "Grad_dq", elem_restr_q, basis_q, CEED_VECTOR_ACTIVE)); PetscCallCeed(ceed, CeedOperatorSetField(op_ijacobian_vol, "qdata", elem_restr_qd, CEED_BASIS_NONE, q_data)); if (num_comps_jac_data) PetscCallCeed(ceed, CeedOperatorSetField(op_ijacobian_vol, "jac_data", elem_restr_jd_i, CEED_BASIS_NONE, jac_data)); PetscCallCeed(ceed, CeedOperatorSetField(op_ijacobian_vol, "v", elem_restr_q, basis_q, CEED_VECTOR_ACTIVE)); PetscCallCeed(ceed, CeedOperatorSetField(op_ijacobian_vol, "Grad_v", elem_restr_q, basis_q, CEED_VECTOR_ACTIVE)); PetscCallCeed(ceed, CeedQFunctionDestroy(&qf_ijacobian_vol)); } // -- Create and apply CEED Composite Operator for the entire domain if (!honee->phys->implicit) { // RHS CeedOperator op_rhs; PetscCallCeed(ceed, CeedOperatorCreateComposite(ceed, &op_rhs)); PetscCallCeed(ceed, CeedOperatorCompositeAddSub(op_rhs, op_rhs_vol)); for (PetscCount b = 0; b < problem->num_bc_defs; b++) PetscCall(BCDefinitionAddOperators(problem->bc_defs[b], op_rhs, NULL)); PetscCall(OperatorApplyContextCreate(dm, dm, ceed, op_rhs, honee->q_ceed, honee->g_ceed, honee->Q_loc, NULL, &honee->op_rhs_ctx)); // ----- Get Context Labels for Operator PetscCallCeed(ceed, CeedOperatorGetContextFieldLabel(op_rhs, "solution time", &honee->phys->solution_time_label)); PetscCallCeed(ceed, CeedOperatorGetContextFieldLabel(op_rhs, "timestep size", &honee->phys->timestep_size_label)); PetscCallCeed(ceed, CeedOperatorDestroy(&op_rhs)); PetscCall(CreateKSPMass(honee, problem)); PetscCheck(app_ctx->sgs_model_type == SGS_MODEL_NONE, honee->comm, PETSC_ERR_SUP, "SGS modeling not implemented for explicit timestepping"); } else { // IFunction CeedOperator op_ijacobian = NULL; // Create Composite Operaters PetscCallCeed(ceed, CeedOperatorCreateComposite(ceed, &honee->op_ifunction)); PetscCallCeed(ceed, CeedOperatorCompositeAddSub(honee->op_ifunction, op_ifunction_vol)); if (op_ijacobian_vol) { PetscCallCeed(ceed, CeedOperatorCreateComposite(ceed, &op_ijacobian)); PetscCallCeed(ceed, CeedOperatorCompositeAddSub(op_ijacobian, op_ijacobian_vol)); } for (PetscCount b = 0; b < problem->num_bc_defs; b++) PetscCall(BCDefinitionAddOperators(problem->bc_defs[b], honee->op_ifunction, op_ijacobian)); // ----- Get Context Labels for Operator PetscCallCeed(ceed, CeedOperatorGetContextFieldLabel(honee->op_ifunction, "solution time", &honee->phys->solution_time_label)); PetscCallCeed(ceed, CeedOperatorGetContextFieldLabel(honee->op_ifunction, "timestep size", &honee->phys->timestep_size_label)); if (op_ijacobian) { PetscCall(MatCreateCeed(honee->dm, honee->dm, op_ijacobian, NULL, &honee->mat_ijacobian)); PetscCall(MatCeedSetLocalVectors(honee->mat_ijacobian, honee->Q_dot_loc, NULL)); PetscCallCeed(ceed, CeedOperatorDestroy(&op_ijacobian)); } if (app_ctx->sgs_model_type == SGS_MODEL_DATA_DRIVEN) PetscCall(SgsDDSetup(ceed, honee, problem)); } if (problem->use_strong_bc_ceed) PetscCall(SetupStrongBC_Ceed(ceed, dm, honee, problem)); if (app_ctx->sgs_train_enable) PetscCall(SGS_DD_TrainingSetup(ceed, honee)); if (app_ctx->divFdiffproj_method != DIV_DIFF_FLUX_PROJ_NONE) PetscCall(DivDiffFluxProjectionSetup(honee, honee->diff_flux_proj)); PetscCallCeed(ceed, CeedVectorDestroy(&q_data)); PetscCallCeed(ceed, CeedVectorDestroy(&jac_data)); PetscCallCeed(ceed, CeedVectorDestroy(&x_coord)); PetscCallCeed(ceed, CeedElemRestrictionDestroy(&elem_restr_q)); PetscCallCeed(ceed, CeedElemRestrictionDestroy(&elem_restr_x)); PetscCallCeed(ceed, CeedElemRestrictionDestroy(&elem_restr_qd)); PetscCallCeed(ceed, CeedElemRestrictionDestroy(&elem_restr_jd_i)); PetscCallCeed(ceed, CeedElemRestrictionDestroy(&elem_restr_diff_flux)); PetscCallCeed(ceed, CeedBasisDestroy(&basis_diff_flux)); PetscCallCeed(ceed, CeedBasisDestroy(&basis_q)); PetscCallCeed(ceed, CeedBasisDestroy(&basis_x)); PetscCallCeed(ceed, CeedVectorDestroy(&div_diff_flux_ceed)); PetscCallCeed(ceed, CeedOperatorDestroy(&op_ijacobian_vol)); PetscCallCeed(ceed, CeedOperatorDestroy(&op_ifunction_vol)); PetscCallCeed(ceed, CeedOperatorDestroy(&op_rhs_vol)); PetscFunctionReturn(PETSC_SUCCESS); }