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 /// @file 9 /// Linear elasticity manufactured solution true solution for solid mechanics example using PETSc 10 11 #include <ceed.h> 12 #include <math.h> 13 14 // ----------------------------------------------------------------------------- 15 // True solution for linear elasticity manufactured solution 16 // ----------------------------------------------------------------------------- 17 CEED_QFUNCTION(MMSTrueSoln)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) { 18 // Inputs 19 const CeedScalar *coords = in[0]; 20 21 // Outputs 22 CeedScalar *true_soln = out[0]; 23 24 // Quadrature Point Loop 25 CeedPragmaSIMD for (CeedInt i = 0; i < Q; i++) { 26 // Setup 27 CeedScalar x = coords[i + 0 * Q], y = coords[i + 1 * Q], z = coords[i + 2 * Q]; 28 29 // True solution 30 // -- Component 1 31 true_soln[i + 0 * Q] = exp(2 * x) * sin(3 * y) * cos(4 * z) / 1e8; 32 33 // -- Component 2 34 true_soln[i + 1 * Q] = exp(3 * y) * sin(4 * z) * cos(2 * x) / 1e8; 35 36 // -- Component 3 37 true_soln[i + 2 * Q] = exp(4 * z) * sin(2 * x) * cos(3 * y) / 1e8; 38 39 } // End of Quadrature Point Loop 40 41 return 0; 42 } 43 // ----------------------------------------------------------------------------- 44