xref: /libCEED/examples/solids/qfunctions/manufactured-true.h (revision 3d8e882215d238700cdceb37404f76ca7fa24eaa)
1*3d8e8822SJeremy L Thompson // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors.
2*3d8e8822SJeremy L Thompson // All Rights Reserved. See the top-level LICENSE and NOTICE files for details.
35754ecacSJeremy L Thompson //
4*3d8e8822SJeremy L Thompson // SPDX-License-Identifier: BSD-2-Clause
55754ecacSJeremy L Thompson //
6*3d8e8822SJeremy L Thompson // This file is part of CEED:  http://github.com/ceed
75754ecacSJeremy L Thompson 
85754ecacSJeremy L Thompson /// @file
95754ecacSJeremy L Thompson /// Linear elasticity manufactured solution true solution for solid mechanics example using PETSc
105754ecacSJeremy L Thompson 
115754ecacSJeremy L Thompson #ifndef MANUFACTURED_TRUE_H
125754ecacSJeremy L Thompson #define MANUFACTURED_TRUE_H
135754ecacSJeremy L Thompson 
145754ecacSJeremy L Thompson #include <math.h>
155754ecacSJeremy L Thompson 
165754ecacSJeremy L Thompson // -----------------------------------------------------------------------------
175754ecacSJeremy L Thompson // True solution for linear elasticity manufactured solution
185754ecacSJeremy L Thompson // -----------------------------------------------------------------------------
195754ecacSJeremy L Thompson CEED_QFUNCTION(MMSTrueSoln)(void *ctx, const CeedInt Q,
205754ecacSJeremy L Thompson                             const CeedScalar *const *in,
215754ecacSJeremy L Thompson                             CeedScalar *const *out) {
225754ecacSJeremy L Thompson   // Inputs
235754ecacSJeremy L Thompson   const CeedScalar *coords = in[0];
245754ecacSJeremy L Thompson 
255754ecacSJeremy L Thompson   // Outputs
265754ecacSJeremy L Thompson   CeedScalar *true_soln = out[0];
275754ecacSJeremy L Thompson 
285754ecacSJeremy L Thompson   // Quadrature Point Loop
295754ecacSJeremy L Thompson   CeedPragmaSIMD
305754ecacSJeremy L Thompson   for (CeedInt i=0; i<Q; i++) {
315754ecacSJeremy L Thompson     // Setup
325754ecacSJeremy L Thompson     CeedScalar x = coords[i+0*Q], y = coords[i+1*Q], z = coords[i+2*Q];
335754ecacSJeremy L Thompson 
345754ecacSJeremy L Thompson     // True solution
355754ecacSJeremy L Thompson     // -- Component 1
365754ecacSJeremy L Thompson     true_soln[i+0*Q] = exp(2*x)*sin(3*y)*cos(4*z)/1e8;
375754ecacSJeremy L Thompson 
385754ecacSJeremy L Thompson     // -- Component 2
395754ecacSJeremy L Thompson     true_soln[i+1*Q] = exp(3*y)*sin(4*z)*cos(2*x)/1e8;
405754ecacSJeremy L Thompson 
415754ecacSJeremy L Thompson     // -- Component 3
425754ecacSJeremy L Thompson     true_soln[i+2*Q] = exp(4*z)*sin(2*x)*cos(3*y)/1e8;
435754ecacSJeremy L Thompson 
445754ecacSJeremy L Thompson   } // End of Quadrature Point Loop
455754ecacSJeremy L Thompson 
465754ecacSJeremy L Thompson   return 0;
475754ecacSJeremy L Thompson }
485754ecacSJeremy L Thompson // -----------------------------------------------------------------------------
495754ecacSJeremy L Thompson 
505754ecacSJeremy L Thompson #endif // End MANUFACTURED_TRUE_H
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