PlaneStressMaterial.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 23:01:25 $ 00023 // $Source: /usr/local/cvs/OpenSees/SRC/material/nD/PlaneStressMaterial.h,v $ 00024 00025 // Ed "C++" Love 00026 // 00027 // Generic Plane Stress Material 00028 // 00029 00030 00031 #include <stdio.h> 00032 #include <stdlib.h> 00033 #include <math.h> 00034 00035 #include <Vector.h> 00036 #include <Matrix.h> 00037 #include <ID.h> 00038 #include <NDMaterial.h> 00039 00040 00041 00042 class PlaneStressMaterial: public NDMaterial{ 00043 00044 //-------------------Declarations------------------------------- 00045 00046 public : 00047 00048 //null constructor 00049 PlaneStressMaterial( ) ; 00050 00051 //full constructor 00052 PlaneStressMaterial( int tag, 00053 NDMaterial &the3DMaterial ) ; 00054 00055 00056 //destructor 00057 virtual ~PlaneStressMaterial( ) ; 00058 00059 //make a clone of this material 00060 NDMaterial *getCopy( ) ; 00061 NDMaterial *getCopy( const char *type ) ; 00062 00063 //send back order of strain in vector form 00064 int getOrder( ) const ; 00065 00066 //send back order of strain in vector form 00067 const char *getType( ) const ; 00068 00069 //swap history variables 00070 int commitState( ) ; 00071 00072 //revert to last saved state 00073 int revertToLastCommit( ) ; 00074 00075 //revert to start 00076 int revertToStart( ) ; 00077 00078 //get the strain 00079 int setTrialStrain( const Vector &strainFromElement ) ; 00080 00081 //send back the strain 00082 const Vector& getStrain( ) ; 00083 00084 //send back the stress 00085 const Vector& getStress( ) ; 00086 00087 //send back the tangent 00088 const Matrix& getTangent( ) ; 00089 00090 //density 00091 double getRho( ) ; 00092 00093 //print out data 00094 void Print( OPS_Stream &s, int flag ) ; 00095 00096 int sendSelf(int commitTag, Channel &theChannel); 00097 int recvSelf(int commitTag, Channel &theChannel, FEM_ObjectBroker &theBroker); 00098 00099 00100 private : 00101 00102 //out of plane strains .. trial and committed 00103 double Tstrain22 ; 00104 double Tgamma02 ; 00105 double Tgamma12 ; 00106 double Cstrain22 ; 00107 double Cgamma02 ; 00108 double Cgamma12 ; 00109 00110 NDMaterial *theMaterial ; //pointer to three dimensional material 00111 00112 Vector strain ; 00113 00114 static Vector stress ; 00115 00116 static Matrix tangent ; 00117 00118 int indexMap( int i ) ; 00119 00120 } ; //end of PlaneStressMaterial declarations 00121 00122 00123 00124 00125
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