ElasticPlateSection.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: 1.7 $ 00022 // $Date: 2003/02/14 23:01:33 $ 00023 // $Source: /usr/local/cvs/OpenSees/SRC/material/section/ElasticPlateSection.h,v $ 00024 00025 // Ed "C++" Love 00026 // 00027 // Elastic Plate Section 00028 // 00029 00030 #include <stdio.h> 00031 #include <stdlib.h> 00032 #include <math.h> 00033 00034 #include <Vector.h> 00035 #include <Matrix.h> 00036 #include <ID.h> 00037 00038 #include <SectionForceDeformation.h> 00039 00040 00041 class ElasticPlateSection : public SectionForceDeformation { 00042 00043 //-------------------Declarations------------------------------- 00044 00045 public : 00046 00047 //null constructor 00048 ElasticPlateSection( ) ; 00049 00050 //full constructor 00051 ElasticPlateSection( int tag, 00052 double E, 00053 double nu, 00054 double h = 1.0 ) ; 00055 00056 00057 00058 //destructor 00059 ~ElasticPlateSection( ) ; 00060 00061 //make a clone of this material 00062 SectionForceDeformation *getCopy( ) ; 00063 00064 00065 //send back order of strain in vector form 00066 int getOrder( ) const ; 00067 00068 //send back order of strain in vector form 00069 const ID& getType( ) ; 00070 00071 //swap history variables 00072 int commitState( ) ; 00073 00074 //revert to last saved state 00075 int revertToLastCommit( ) ; 00076 00077 //revert to start 00078 int revertToStart( ) ; 00079 00080 //get the strain and integrate plasticity equations 00081 int setTrialSectionDeformation( const Vector &strain_from_element ) ; 00082 00083 //send back the strain 00084 const Vector& getSectionDeformation( ) ; 00085 00086 //send back the stress 00087 const Vector& getStressResultant( ) ; 00088 00089 //send back the tangent 00090 const Matrix& getSectionTangent( ) ; 00091 00092 //send back the initial tangent 00093 const Matrix& getInitialTangent( ) ; 00094 00095 //print out data 00096 void Print( OPS_Stream &s, int flag ) ; 00097 00098 int sendSelf(int commitTag, Channel &theChannel); 00099 int recvSelf(int commitTag, Channel &theChannel, FEM_ObjectBroker &theBroker); 00100 00101 private : 00102 00103 double E ; // elastic modulus 00104 double nu ; // poisson ratio 00105 double h ; // plate thickness 00106 00107 static const double five6 ; // =5/6 = shear correction factor 00108 00109 Vector strain ; 00110 00111 static Vector stress ; 00112 00113 static Matrix tangent ; 00114 00115 static ID array ; 00116 00117 } ; //end of ElasticPlateSection declarations 00118 00119
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