ESYS13: ShapeFunctions.h Source File

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00001 
00002 /*******************************************************
00003 *
00004 * Copyright (c) 2003-2010 by University of Queensland
00005 * Earth Systems Science Computational Center (ESSCC)
00006 * http://www.uq.edu.au/esscc
00007 *
00008 * Primary Business: Queensland, Australia
00009 * Licensed under the Open Software License version 3.0
00010 * http://www.opensource.org/licenses/osl-3.0.php
00011 *
00012 *******************************************************/
00013 
00014 
00015 /**************************************************************/
00016 
00017 /*   Finley: Shape functions header file */
00018 
00019 /**************************************************************/
00020 
00021 #ifndef INC_FINLEY_SHAPEFUNCTIONS
00022 #define INC_FINLEY_SHAPEFUNCTIONS
00023 
00024 /**************************************************************/
00025 
00026 #include "Finley.h"
00027 
00028 /**************************************************************/
00029 
00030 #define S_INDEX(_J_,_I_,_NUMNODES_)                INDEX2(_J_,_I_,_NUMNODES_)
00031 #define DSDV_INDEX(_J_,_K_,_I_,_NUMNODES_,_DIM_)   INDEX3(_J_,_K_,_I_,_NUMNODES_,_DIM_)
00032 
00033 
00034 typedef enum {
00035   Point1Shape,
00036   Line2Shape,
00037   Line3Shape,
00038   Line4Shape,
00039   Tri3Shape,
00040   Tri6Shape,
00041   Tri9Shape,
00042   Tri10Shape,
00043   Rec4Shape,
00044   Rec8Shape,
00045   Rec9Shape,
00046   Rec12Shape,
00047   Rec16Shape,
00048   Tet4Shape,
00049   Tet10Shape,
00050   Tet16Shape,
00051   Hex8Shape,
00052   Hex20Shape,
00053   Hex27Shape,
00054   Hex32Shape,
00055   NoShape   /* marks end of list */
00056 } Finley_ShapeFunctionTypeId;
00057 
00058 /**************************************************************/
00059 
00060 /*  this struct holds the definition of the shape functions on an element: */
00061 
00062 typedef void (Finley_ShapeFunction_Evaluation) (dim_t,double*,double*,double*);
00063 
00064 typedef struct Finley_ShapeFunctionInfo {
00065  
00066   Finley_ShapeFunctionTypeId TypeId;                        /* the id */
00067   char* Name;                                /* the name in text form e.g. Line1,Rec12,... */
00068   dim_t numDim;                              /* spatial dimension */
00069   dim_t numShapes;                           /* number of shape functions */
00070   dim_t numOrder;                            /* order of the shape functions */
00071   dim_t numVertices;                         /* number of vertices of the element */
00072   Finley_ShapeFunction_Evaluation* getValues;           /* function to evaluate the shape functions at a set of points */
00073 }  Finley_ShapeFunctionInfo;
00074 
00075 
00076 /**************************************************************/
00077 
00078 /*  this struct holds the evaluation of a shape function on a quadrature scheme: */
00079 
00080 typedef struct Finley_ShapeFunction {
00081   Finley_ShapeFunctionInfo* Type;     /* type of the reference element */
00082   int numQuadNodes;                /* number of quadrature points */
00083   double *QuadNodes;               /* coordinates of quadrature nodes */
00084   double *QuadWeights;             /* weights of the quadrature scheme */
00085   double *S;                       /* shape functions at quadrature nodes */
00086   double *dSdv;                    /* derivative of the shape functions at quadrature nodes */
00087   index_t reference_counter;       /* reference counter */
00088 }  Finley_ShapeFunction;
00089 
00090 /**************************************************************/
00091 /*   Interfaces: */
00092 
00093 Finley_ShapeFunction_Evaluation Finley_Shape_Point1;
00094 Finley_ShapeFunction_Evaluation Finley_Shape_Line2;
00095 Finley_ShapeFunction_Evaluation Finley_Shape_Line3;
00096 Finley_ShapeFunction_Evaluation Finley_Shape_Line4;
00097 Finley_ShapeFunction_Evaluation Finley_Shape_Tri3;
00098 Finley_ShapeFunction_Evaluation Finley_Shape_Tri6;
00099 Finley_ShapeFunction_Evaluation Finley_Shape_Tri9;
00100 Finley_ShapeFunction_Evaluation Finley_Shape_Tri10;
00101 Finley_ShapeFunction_Evaluation Finley_Shape_Rec4;
00102 Finley_ShapeFunction_Evaluation Finley_Shape_Rec8;
00103 Finley_ShapeFunction_Evaluation Finley_Shape_Rec9;
00104 Finley_ShapeFunction_Evaluation Finley_Shape_Rec12;
00105 Finley_ShapeFunction_Evaluation Finley_Shape_Rec16;
00106 Finley_ShapeFunction_Evaluation Finley_Shape_Tet4;
00107 Finley_ShapeFunction_Evaluation Finley_Shape_Tet10;
00108 Finley_ShapeFunction_Evaluation Finley_Shape_Tet16;
00109 Finley_ShapeFunction_Evaluation Finley_Shape_Hex8;
00110 Finley_ShapeFunction_Evaluation Finley_Shape_Hex20;
00111 Finley_ShapeFunction_Evaluation Finley_Shape_Hex27;
00112 Finley_ShapeFunction_Evaluation Finley_Shape_Hex32;
00113 
00114 Finley_ShapeFunction* Finley_ShapeFunction_alloc(Finley_ShapeFunctionTypeId id,int numQuadDim, int numQuadNodes, double *QuadNodes, double *QuadWeights);
00115 void Finley_ShapeFunction_dealloc(Finley_ShapeFunction*);
00116 Finley_ShapeFunctionTypeId Finley_ShapeFunction_getTypeId(char*);
00117 Finley_ShapeFunction* Finley_ShapeFunction_reference(Finley_ShapeFunction* in);
00118 Finley_ShapeFunctionInfo* Finley_ShapeFunction_getInfo(Finley_ShapeFunctionTypeId id);
00119 #endif /* #ifndef INC_FINLEY_SHAPEFUNCTIONS */