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/******************************************************* |
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* |
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* Copyright (c) 2003-2009 by University of Queensland |
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* Earth Systems Science Computational Center (ESSCC) |
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* http://www.uq.edu.au/esscc |
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* |
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* Primary Business: Queensland, Australia |
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* Licensed under the Open Software License version 3.0 |
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* http://www.opensource.org/licenses/osl-3.0.php |
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* |
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*******************************************************/ |
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/**************************************************************/ |
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/* Finley: Reference elements */ |
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/**************************************************************/ |
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#ifndef INC_FINLEY_REFERENCEELEMENTS |
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#define INC_FINLEY_REFERENCEELEMENTS |
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/**************************************************************/ |
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#include "Finley.h" |
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#include "ShapeFunctions.h" |
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#include "Quadrature.h" |
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/**************************************************************/ |
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/* The ids of the allowed reference ellements: */ |
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#define MAX_numNodes 64 |
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#define MAX_numSubElements 8 |
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#define MAX_numSides 2 |
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typedef enum { |
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Point1, |
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Line2, |
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Line3, |
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Line4, |
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Tri3, |
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Tri6, |
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Tri9, |
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Tri10, |
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Rec4, |
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Rec8, |
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Rec9, |
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Rec12, |
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Rec16, |
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Tet4, |
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Tet10, |
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Tet16, |
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Hex8, |
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Hex20, |
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Hex27, |
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Hex32, |
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Line2Face, |
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Line3Face, |
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Line4Face, |
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Tri3Face, |
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Tri6Face, |
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Tri9Face, |
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Tri10Face, |
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Rec4Face, |
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Rec8Face, |
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Rec9Face, |
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Rec12Face, |
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Rec16Face, |
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Tet4Face, |
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Tet10Face, |
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Tet16Face, |
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Hex8Face, |
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Hex20Face, |
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Hex27Face, |
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Hex32Face, |
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Point1_Contact, |
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Line2_Contact, |
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Line3_Contact, |
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Line4_Contact, |
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Tri3_Contact, |
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Tri6_Contact, |
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Tri9_Contact, |
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Tri10_Contact, |
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Rec4_Contact, |
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Rec8_Contact, |
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Rec9_Contact, |
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Rec12_Contact, |
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Rec16_Contact, |
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Line2Face_Contact, |
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Line3Face_Contact, |
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Line4Face_Contact, |
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Tri3Face_Contact, |
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Tri6Face_Contact, |
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Tri9Face_Contact, |
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Tri10Face_Contact, |
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Rec4Face_Contact, |
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Rec8Face_Contact, |
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Rec9Face_Contact, |
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Rec12Face_Contact, |
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Rec16Face_Contact, |
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Tet4Face_Contact, |
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Tet10Face_Contact, |
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Tet16Face_Contact, |
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Hex8Face_Contact, |
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Hex20Face_Contact, |
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Hex27Face_Contact, |
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Hex32Face_Contact, |
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Line3Macro, |
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Tri6Macro, |
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Rec9Macro, |
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Tet10Macro, |
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Hex27Macro, |
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NoRef /* marks end of list */ |
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} ElementTypeId; |
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/**************************************************************/ |
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/* this struct holds the definition of the reference element: */ |
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typedef struct Finley_ReferenceElementInfo { |
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ElementTypeId TypeId; /* the id */ |
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char* Name; /* the name in text form e.g. Line1,Rec12,... */ |
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dim_t numNodes; /* number of nodes defining the element*/ |
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dim_t numSubElements; /* number of subelements. >1 is macro elements are used. */ |
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dim_t numSides; /* specifies the number of sides the element supports. This =2 if contatact elements are used |
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otherwise =1. */ |
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index_t offsets[MAX_numSides+1]; /* offset to the side nodes: offsets[s]...offset[s+1]-1 referes to the nodes to be used for side s*/ |
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ElementTypeId LinearTypeId; /* id of the linear version of the element */ |
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index_t linearNodes[MAX_numNodes*MAX_numSides]; /* gives the list of nodes defining the linear or macro element */ |
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Finley_QuadTypeId Quadrature; /* quadrature scheme */ |
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Finley_ShapeFunctionTypeId Parametrization; /* shape function for parametrization of the element */ |
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Finley_ShapeFunctionTypeId BasisFunctions; /* shape function for the basis functions */ |
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index_t subElementNodes[MAX_numNodes*MAX_numSides*MAX_numSubElements]; /* gives the list of nodes defining the subelements: |
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subElementNodes[INDEX2(i,s,BasisFunctions->numShape*numSides)] is the i-th node in the s-th subelement.*/ |
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/*********************************************************************************************************************************** */ |
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dim_t numRelevantGeoNodes; /* number of nodes used to describe the geometry of the geometrically relevant part of the element |
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typically this is numNodes but for 'Face' elements where the quadrature points are defined on face of the element |
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this is the number of nodes on the particular face. */ |
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index_t relevantGeoNodes[MAX_numNodes]; /* list to gather the geometrically relevant nodes (length used is numRelevantGeoNodes) |
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this list is used for VTK interface */ |
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dim_t numNodesOnFace; /* if the element is allowed as a face element, numNodesOnFace defines the number of nodes defining the face */ |
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/* the following lists are only used for face elements defined by numNodesOnFace>0 */ |
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index_t faceNodes[MAX_numNodes]; /* list of the nodes defining the face */ |
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index_t shiftNodes[MAX_numNodes]; /* defines a permutation of the nodes which rotates the nodes on the face */ |
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index_t reverseNodes[MAX_numNodes]; /* reverses the order of the nodes on a face. the permutation has keep 0 fixed. */ |
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/* shiftNodes={-1} or reverseNodes={-1} are ignored. */ |
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} Finley_ReferenceElementInfo; |
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/**************************************************************/ |
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/* this struct holds the realization of a reference element */ |
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typedef struct Finley_ReferenceElement { |
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Finley_ReferenceElementInfo* Type; /* type of the reference element */ |
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Finley_ReferenceElementInfo* LinearType; /* type of the linear reference element */ |
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index_t reference_counter; /* reference counter */ |
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dim_t numNodes; |
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dim_t numLocalDim; |
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dim_t numLinearNodes; |
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Finley_ShapeFunction* Parametrization; |
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Finley_ShapeFunction* BasisFunctions; |
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Finley_ShapeFunction* LinearBasisFunctions; |
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double* DBasisFunctionDv; /* pointer to derivatives to basis function corresponding to the Parametrization quad points */ |
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bool_t DBasisFunctionDvShared; /* TRUE to indicate that DBasisFunctionDv is shared with another object which is managing it */ |
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} Finley_ReferenceElement; |
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/**************************************************************/ |
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/* interfaces: */ |
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Finley_ReferenceElement* Finley_ReferenceElement_alloc(ElementTypeId,int); |
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void Finley_ReferenceElement_dealloc(Finley_ReferenceElement*); |
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ElementTypeId Finley_ReferenceElement_getTypeId(char*); |
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Finley_ReferenceElement* Finley_ReferenceElement_reference(Finley_ReferenceElement* in); |
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Finley_ReferenceElementInfo* Finley_ReferenceElement_getInfo(ElementTypeId id); |
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#define Finley_ReferenceElement_getNumNodes(__in__) (__in__)->Type->numNodes |
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#endif /* #ifndef INC_FINLEY_REFERENCEELEMENTS */ |
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