1 // Copyright (c) 2017, Lawrence Livermore National Security, LLC. Produced at 2 // the Lawrence Livermore National Laboratory. LLNL-CODE-734707. All Rights 3 // reserved. See files LICENSE and NOTICE for details. 4 // 5 // This file is part of CEED, a collection of benchmarks, miniapps, software 6 // libraries and APIs for efficient high-order finite element and spectral 7 // element discretizations for exascale applications. For more information and 8 // source code availability see http://github.com/ceed. 9 // 10 // The CEED research is supported by the Exascale Computing Project 17-SC-20-SC, 11 // a collaborative effort of two U.S. Department of Energy organizations (Office 12 // of Science and the National Nuclear Security Administration) responsible for 13 // the planning and preparation of a capable exascale ecosystem, including 14 // software, applications, hardware, advanced system engineering and early 15 // testbed platforms, in support of the nation's exascale computing imperative. 16 17 /// @file 18 /// Constant forcing term for solid mechanics example using PETSc 19 20 #ifndef CONSTANT_H 21 #define CONSTANT_H 22 23 #ifndef __CUDACC__ 24 # include <math.h> 25 #endif 26 27 #ifndef PHYSICS_STRUCT 28 #define PHYSICS_STRUCT 29 typedef struct Physics_private *Physics; 30 struct Physics_private { 31 CeedScalar nu; // Poisson's ratio 32 CeedScalar E; // Young's Modulus 33 }; 34 #endif 35 36 // ----------------------------------------------------------------------------- 37 // Constant forcing term along specified vector 38 // ----------------------------------------------------------------------------- 39 CEED_QFUNCTION(SetupConstantForce)(void *ctx, const CeedInt Q, 40 const CeedScalar *const *in, 41 CeedScalar *const *out) { 42 // Inputs 43 const CeedScalar *q_data = in[1]; 44 45 // Outputs 46 CeedScalar *force = out[0]; 47 48 // Context 49 const CeedScalar *forcing_vector = (CeedScalar(*))ctx; 50 51 // Quadrature Point Loop 52 CeedPragmaSIMD 53 for (CeedInt i=0; i<Q; i++) { 54 // Setup 55 CeedScalar wdetJ = q_data[i]; 56 57 // Forcing function 58 // -- Component 1 59 force[i+0*Q] = forcing_vector[0]*wdetJ; 60 61 // -- Component 2 62 force[i+1*Q] = forcing_vector[1]*wdetJ; 63 64 // -- Component 3 65 force[i+2*Q] = forcing_vector[2]*wdetJ; 66 67 } // End of Quadrature Point Loop 68 69 return 0; 70 } 71 // ----------------------------------------------------------------------------- 72 73 #endif // End of CONSTANT_H 74