MultiaxialCyclicPlasticityAxiSymm.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 ** ****************************************************************** */ 00015 00016 00017 /*----+----+----+----+----+----+----+----+----+----+----+----+----+----+----* 00018 | | 00019 | MultiaxialCyclicPlasticity NDMaterial | 00020 + + 00021 |--------------------------------------------------------------------------| 00022 | | 00023 + Authors: Gang Wang AND Professor Nicholas Sitar + 00024 | | 00025 | Department of Civil and Environmental Engineering | 00026 + Univeristy of California, Berkeley, CA 94720, USA + 00027 | | 00028 | Email: wang@ce.berkeley.edu (G.W.) | 00029 | | 00030 +----+----+----+----+----+----+----+----+----+----+----+----+----+----+----*/ 00031 00032 00033 #ifndef MultiaxialCyclicPlasticityAxiSymm_h 00034 #define MultiaxialCyclicPlasticityAxiSymm_h 00035 00036 #include <stdio.h> 00037 #include <stdlib.h> 00038 #include <math.h> 00039 00040 #include <Vector.h> 00041 #include <Matrix.h> 00042 00043 #include <MultiaxialCyclicPlasticity.h> 00044 00045 00046 00047 00048 class MultiaxialCyclicPlasticityAxiSymm : public MultiaxialCyclicPlasticity { 00049 00050 //-------------------Declarations------------------------------- 00051 00052 public : 00053 00054 //null constructor 00055 MultiaxialCyclicPlasticityAxiSymm( ) ; 00056 00057 //full constructor 00058 00059 MultiaxialCyclicPlasticityAxiSymm( int tag, 00060 double rho, 00061 double K, 00062 double G, 00063 double Su, 00064 double Ho_kin, 00065 double Parameter_h, 00066 double Parameter_m, 00067 double Parameter_beta, 00068 double Kcoeff, 00069 double viscosity=0 ) ; 00070 00071 //elastic constructor // add density by Gang Wang 00072 MultiaxialCyclicPlasticityAxiSymm( int tag, double rho, double K, double G ) ; 00073 00074 //destructor 00075 ~MultiaxialCyclicPlasticityAxiSymm( ) ; 00076 00077 const char *getClassType(void) const {return "MultiaxialCyclicPlasticityAxiSymm";}; 00078 00079 //make a clone of this material 00080 NDMaterial* getCopy( ) ; 00081 00082 //send back type of material 00083 const char* getType( ) const ; 00084 00085 //send back order of strain in vector form 00086 int getOrder( ) const ; 00087 00088 //get the strain and integrate plasticity equations 00089 int setTrialStrain( const Vector &strain_from_element) ; 00090 00091 //unused trial strain functions 00092 int setTrialStrain( const Vector &v, const Vector &r ) ; 00093 int setTrialStrainIncr( const Vector &v ) ; 00094 int setTrialStrainIncr( const Vector &v, const Vector &r ) ; 00095 00096 //send back the strain 00097 const Vector& getStrain( ) ; 00098 00099 //send back the stress 00100 const Vector& getStress( ) ; 00101 00102 //send back the tangent 00103 const Matrix& getTangent( ) ; 00104 const Matrix& getInitialTangent( ) ; 00105 00106 //this is mike's problem 00107 int setTrialStrain(const Tensor &v) ; 00108 int setTrialStrain(const Tensor &v, const Tensor &r) ; 00109 int setTrialStrainIncr(const Tensor &v) ; 00110 int setTrialStrainIncr(const Tensor &v, const Tensor &r) ; 00111 const Tensor& getTangentTensor( ) ; 00112 00113 //swap history variables 00114 //int commitState( ) ; 00115 //int revertToLastCommit( ) ; 00116 //int revertToStart( ) ; 00117 00118 //sending and receiving 00119 //int sendSelf(int commitTag, Channel &theChannel) ; 00120 //int recvSelf(int commitTag, Channel &theChannel, 00121 // FEM_ObjectBroker &theBroker ) ; 00122 00123 00124 private : 00125 00126 //static vectors and matrices 00127 static Vector strain_vec ; //strain in vector notation 00128 static Vector stress_vec ; //stress in vector notation 00129 static Matrix tangent_matrix ; //material tangent in matrix notation 00130 00131 00132 } ; //end of MultiaxialCyclicPlasticityAxiSymm declarations 00133 00134 00135 #endif
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