fElement.hGo to the documentation of this file.00001 /* ****************************************************************** ** 00002 ** OpenSees - Open System for Earthquake Engineering Simulation ** 00003 ** Pacific Earthquake Engineering Research Center ** 00004 ** ** 00005 ** ** 00006 ** (C) Copyright 1999, The Regents of the University of California ** 00007 ** All Rights Reserved. ** 00008 ** ** 00009 ** Commercial use of this program without express permission of the ** 00010 ** University of California, Berkeley, is strictly prohibited. See ** 00011 ** file 'COPYRIGHT' in main directory for information on usage and ** 00012 ** redistribution, and for a DISCLAIMER OF ALL WARRANTIES. ** 00013 ** ** 00014 ** Developed by: ** 00015 ** Frank McKenna (fmckenna@ce.berkeley.edu) ** 00016 ** Gregory L. Fenves (fenves@ce.berkeley.edu) ** 00017 ** Filip C. Filippou (filippou@ce.berkeley.edu) ** 00018 ** ** 00019 ** ****************************************************************** */ 00020 00021 // $Revision: 1.4 $ 00022 // $Date: 2003/02/14 23:01:08 $ 00023 // $Source: /usr/local/cvs/OpenSees/SRC/element/feap/fElement.h,v $ 00024 00025 00026 #ifndef fElement_h 00027 #define fElement_h 00028 00029 // File: ~/element/fortran/fElement.h 00030 // 00031 // Written: fmk 00032 // Created: 03/99 00033 // Revision: A 00034 // 00035 // Description: This file contains the class definition for fElement. fElement 00036 // is a wrapper used to call fortran element subroutine. It is an abstract class. 00037 // 00038 // What: "@(#) fElement.h, revA" 00039 00040 #include <Element.h> 00041 #include <Matrix.h> 00042 00043 class Node; 00044 class Channel; 00045 class UniaxialMaterial; 00046 00047 class fElement : public Element 00048 { 00049 public: 00050 // constructors 00051 fElement(int tag, 00052 int classTag, 00053 int eleType, 00054 int sizeD, int nen, 00055 int ndm, int ndf, 00056 int nh1, int nh3); 00057 00058 fElement(int tag, 00059 int classTag, 00060 int eleType, 00061 int sizeD, int nen, 00062 int ndm, int ndf, int iow); 00063 00064 fElement(int classTag); 00065 00066 // destructor 00067 virtual ~fElement(); 00068 00069 // public methods for element operations 00070 virtual int getNumExternalNodes(void) const; 00071 virtual const ID &getExternalNodes(void); 00072 Node **getNodePtrs(void); 00073 00074 virtual int getNumDOF(void); 00075 virtual void setDomain(Domain *theDomain); 00076 00077 virtual int commitState(void); 00078 virtual int revertToLastCommit(void); 00079 virtual int revertToStart(void); 00080 virtual int update(void); 00081 00082 virtual const Matrix &getTangentStiff(void); 00083 const Matrix &getInitialStiff(void); 00084 virtual const Matrix &getDamp(void); 00085 virtual const Matrix &getMass(void); 00086 00087 virtual void zeroLoad(void); 00088 virtual int addLoad(ElementalLoad *theLoad, double loadFactor); 00089 virtual int addInertiaLoadToUnbalance(const Vector &accel); 00090 00091 virtual const Vector &getResistingForce(void); 00092 virtual const Vector &getResistingForceIncInertia(void); 00093 00094 // public methods for output 00095 virtual int sendSelf(int commitTag, Channel &theChannel); 00096 virtual int recvSelf(int commitTag, Channel &theChannel, 00097 FEM_ObjectBroker &theBroker); 00098 virtual int displaySelf(Renderer &theViewer, int displayMode, float fact); 00099 virtual void Print(OPS_Stream &s, int flag =0); 00100 00101 protected: 00102 // protected methods 00103 virtual int invokefRoutine(int ior, int iow, double *ctan, int isw); 00104 virtual int readyfRoutine(bool incInertia); 00105 virtual int invokefInit(int isw, int iow); 00106 00107 // protected data 00108 Vector *data; 00109 ID *connectedNodes; 00110 00111 private: 00112 // private attributes - a copy for each object of the class 00113 double *h; // the elements local h array 00114 Node **theNodes; // pointer to the elements nodes 00115 double *u; // to hold u^(k-1)_(n+1) as nodes don't save this 00116 double *d; // data stored for each element 00117 int eleType; // defines which elmtnn subroutine to invoke 00118 int ndf; // number of dof at nodes nst = nen x ndf 00119 int nen; // number of element nodes 00120 int ndm; // dimension of mesh 00121 int nh1, nh3; // the size of nh1(nh2) and nh3 data in h 00122 int nrCount; // needed for Prof. Fillipou's Elmt05 00123 00124 Vector *theLoad; // vector to hold the applied load P 00125 Matrix *Ki; 00126 00127 // static data - single copy for all objects of the class 00128 static Matrix **fElementM; // class wide matrices - use s array 00129 static Vector **fElementV; // class wide vectors - use r array 00130 static double *s; // element tangent (nst x nst) 00131 static double *r; // element residual (ndf x nen) == (nst) 00132 static double *ul; // nodal responses (ndf x nen x 5) == (nst X 5) 00133 static double *xl; // nodal coordinates (ndf x nen) == (nst) 00134 static double *tl; // nodal temp (nen) 00135 static int *ix; // nodal tags (nen) 00136 static int numfElements; 00137 }; 00138 00139 #endif 00140 00141 00142 00143
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