1 // Copyright (c) 2017-2022, 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 /// Constant forcing term for solid mechanics example using PETSc 10 11 #ifndef CONSTANT_H 12 #define CONSTANT_H 13 14 #include <ceed.h> 15 #include <math.h> 16 17 #ifndef PHYSICS_STRUCT 18 #define PHYSICS_STRUCT 19 typedef struct Physics_private *Physics; 20 struct Physics_private { 21 CeedScalar nu; // Poisson's ratio 22 CeedScalar E; // Young's Modulus 23 }; 24 #endif 25 26 // ----------------------------------------------------------------------------- 27 // Constant forcing term along specified vector 28 // ----------------------------------------------------------------------------- 29 CEED_QFUNCTION(SetupConstantForce)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) { 30 // Inputs 31 const CeedScalar *q_data = in[1]; 32 33 // Outputs 34 CeedScalar *force = out[0]; 35 36 // Context 37 const CeedScalar *forcing_vector = (CeedScalar(*))ctx; 38 39 // Quadrature Point Loop 40 CeedPragmaSIMD for (CeedInt i = 0; i < Q; i++) { 41 // Setup 42 CeedScalar wdetJ = q_data[i]; 43 44 // Forcing function 45 // -- Component 1 46 force[i + 0 * Q] = forcing_vector[0] * wdetJ; 47 48 // -- Component 2 49 force[i + 1 * Q] = forcing_vector[1] * wdetJ; 50 51 // -- Component 3 52 force[i + 2 * Q] = forcing_vector[2] * wdetJ; 53 } // End of Quadrature Point Loop 54 55 return 0; 56 } 57 // ----------------------------------------------------------------------------- 58 59 #endif // End of CONSTANT_H 60