OOFEM 3.0
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oofem::J2MPlasticMaterial Class Reference

#include <j2mplasticmaterial.h>

Inheritance diagram for oofem::J2MPlasticMaterial:
Collaboration diagram for oofem::J2MPlasticMaterial:

Public Member Functions

 J2MPlasticMaterial (int n, Domain *d)
void initializeFrom (InputRecord &ir) override
const char * giveInputRecordName () const override
const char * giveClassName () const override
std::unique_ptr< MaterialStatusCreateStatus (GaussPoint *gp) const override
Public Member Functions inherited from oofem::MPlasticMaterial
 MPlasticMaterial (int n, Domain *d)
virtual ~MPlasticMaterial ()
bool hasMaterialModeCapability (MaterialMode mode) const override
const char * giveClassName () const override
LinearElasticMaterialgiveLinearElasticMaterial ()
 Returns reference to undamaged (bulk) material.
bool isCharacteristicMtrxSymmetric (MatResponseMode rMode) const override
FloatMatrixF< 6, 6 > give3dMaterialStiffnessMatrix (MatResponseMode, GaussPoint *gp, TimeStep *tStep) const override
void giveRealStressVector (FloatArray &answer, GaussPoint *gp, const FloatArray &, TimeStep *tStep) const override
FloatArrayF< 6 > giveRealStressVector_3d (const FloatArrayF< 6 > &strain, GaussPoint *gp, TimeStep *tStep) const override
 Default implementation relies on giveRealStressVector for second Piola-Kirchoff stress.
FloatArrayF< 4 > giveRealStressVector_PlaneStrain (const FloatArrayF< 4 > &strain, GaussPoint *gp, TimeStep *tStep) const override
 Default implementation relies on giveRealStressVector_3d.
FloatArrayF< 3 > giveRealStressVector_PlaneStress (const FloatArrayF< 3 > &strain, GaussPoint *gp, TimeStep *tStep) const override
 Default implementation relies on giveRealStressVector_StressControl.
FloatArrayF< 1 > giveRealStressVector_1d (const FloatArrayF< 1 > &strain, GaussPoint *gp, TimeStep *tStep) const override
 Default implementation relies on giveRealStressVector_StressControl.
int giveIPValue (FloatArray &answer, GaussPoint *gp, InternalStateType type, TimeStep *tStep) override
std::unique_ptr< MaterialStatusCreateStatus (GaussPoint *gp) const override
Public Member Functions inherited from oofem::StructuralMaterial
 StructuralMaterial (int n, Domain *d)
bool hasMaterialModeCapability (MaterialMode mode) const override
const char * giveClassName () const override
void initializeFrom (InputRecord &ir) override
void giveInputRecord (DynamicInputRecord &input) override
void giveCharacteristicMatrix (FloatMatrix &answer, MatResponseMode type, GaussPoint *gp, TimeStep *tStep) const override
 Returns characteristic matrix of the receiver.
void giveCharacteristicVector (FloatArray &answer, FloatArray &flux, MatResponseMode type, GaussPoint *gp, TimeStep *tStep) const override
 Returns characteristic vector of the receiver.
virtual void giveStiffnessMatrix (FloatMatrix &answer, MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) const
virtual FloatArray giveRealStressVector_StressControl (const FloatArray &reducedE, const IntArray &strainControl, GaussPoint *gp, TimeStep *tStep) const
 Iteratively calls giveRealStressVector_3d to find the stress controlled equal to zero·
virtual FloatArray giveRealStressVector_ShellStressControl (const FloatArray &reducedE, const IntArray &strainControl, GaussPoint *gp, TimeStep *tStep) const
virtual FloatArrayF< 2 > giveRealStressVector_Warping (const FloatArrayF< 2 > &reducedE, GaussPoint *gp, TimeStep *tStep) const
 Default implementation relies on giveRealStressVector_StressControl.
virtual FloatArrayF< 2 > giveRealStressVector_2dBeamLayer (const FloatArrayF< 2 > &reducedE, GaussPoint *gp, TimeStep *tStep) const
 Default implementation relies on giveRealStressVector_StressControl.
virtual FloatArrayF< 5 > giveRealStressVector_PlateLayer (const FloatArrayF< 5 > &reducedE, GaussPoint *gp, TimeStep *tStep) const
 Default implementation relies on giveRealStressVector_StressControl.
virtual FloatArrayF< 3 > giveRealStressVector_Fiber (const FloatArrayF< 3 > &reducedE, GaussPoint *gp, TimeStep *tStep) const
 Default implementation relies on giveRealStressVector_StressControl.
virtual FloatArrayF< 3 > giveRealStressVector_2dPlateSubSoil (const FloatArrayF< 3 > &reducedE, GaussPoint *gp, TimeStep *tStep) const
 Default implementation is not provided.
virtual FloatArrayF< 6 > giveRealStressVector_3dBeamSubSoil (const FloatArrayF< 6 > &reducedE, GaussPoint *gp, TimeStep *tStep) const
virtual FloatArrayF< 9 > giveFirstPKStressVector_3d (const FloatArrayF< 9 > &vF, GaussPoint *gp, TimeStep *tStep) const
 Default implementation relies on giveRealStressVector for second Piola-Kirchoff stress.
virtual FloatArrayF< 5 > giveFirstPKStressVector_PlaneStrain (const FloatArrayF< 5 > &vF, GaussPoint *gp, TimeStep *tStep) const
 Default implementation relies on giveFirstPKStressVector_3d.
virtual FloatArray giveFirstPKStressVector_StressControl (const FloatArray &reducedvF, const IntArray &FControl, GaussPoint *gp, TimeStep *tStep) const
 Iteratively calls giveRealStressVector_3d to find the stress controlled equal to zero·
virtual FloatArrayF< 4 > giveFirstPKStressVector_PlaneStress (const FloatArrayF< 4 > &vF, GaussPoint *gp, TimeStep *tStep) const
 Default implementation relies on giveFirstPKStressVector_StressControl.
virtual FloatArrayF< 1 > giveFirstPKStressVector_1d (const FloatArrayF< 1 > &vF, GaussPoint *gp, TimeStep *tStep) const
 Default implementation relies on giveFirstPKStressVector_StressControl.
virtual void giveCauchyStressVector_3d (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedF, TimeStep *tStep)
virtual void giveCauchyStressVector_PlaneStrain (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedF, TimeStep *tStep)
virtual void giveCauchyStressVector_PlaneStress (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedF, TimeStep *tStep)
virtual void giveCauchyStressVector_1d (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedF, TimeStep *tStep)
virtual void giveEshelbyStressVector_PlaneStrain (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedF, TimeStep *tStep)
virtual FloatArrayF< 6 > giveThermalDilatationVector (GaussPoint *gp, TimeStep *tStep) const
double giveReferenceTemperature ()
virtual FloatArray computeStressIndependentStrainVector (GaussPoint *gp, TimeStep *tStep, ValueModeType mode) const
FloatArrayF< 6 > computeStressIndependentStrainVector_3d (GaussPoint *gp, TimeStep *tStep, ValueModeType mode) const
virtual void giveStiffnessMatrix_dPdF (FloatMatrix &answer, MatResponseMode mode, GaussPoint *gp, TimeStep *tStep)
virtual FloatMatrixF< 9, 9 > give3dMaterialStiffnessMatrix_dPdF (MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) const
virtual void give3dMaterialStiffnessMatrix_dCde (FloatMatrix &answer, MatResponseMode mode, GaussPoint *gp, TimeStep *tStep)
void giveStressDependentPartOfStrainVector (FloatArray &answer, GaussPoint *gp, const FloatArray &reducedStrainVector, TimeStep *tStep, ValueModeType mode) const
int setIPValue (const FloatArray &value, GaussPoint *gp, InternalStateType type) override
int giveIPValue (FloatArray &answer, GaussPoint *gp, InternalStateType type, TimeStep *tStep) override
virtual FloatMatrixF< 4, 4 > givePlaneStressStiffnessMatrix_dPdF (MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep) const
virtual void givePlaneStressStiffMtrx_dCde (FloatMatrix &answer, MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep)
virtual FloatMatrixF< 5, 5 > givePlaneStrainStiffnessMatrix_dPdF (MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep) const
virtual void givePlaneStrainStiffMtrx_dCde (FloatMatrix &answer, MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep)
virtual FloatMatrixF< 1, 1 > give1dStressStiffnessMatrix_dPdF (MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep) const
virtual void give1dStressStiffMtrx_dCde (FloatMatrix &answer, MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep)
virtual FloatMatrixF< 3, 3 > give2dPlateSubSoilStiffMtrx (MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep) const
virtual FloatMatrixF< 6, 6 > give3dBeamSubSoilStiffMtrx (MatResponseMode mmode, GaussPoint *gp, TimeStep *tStep) const
Public Member Functions inherited from oofem::Material
 Material (int n, Domain *d)
virtual ~Material ()=default
 Destructor.
virtual double giveCharacteristicValue (MatResponseMode type, GaussPoint *gp, TimeStep *tStep) const
 Returns characteristic value of the receiver.
virtual double give (int aProperty, GaussPoint *gp) const
virtual bool hasProperty (int aProperty, GaussPoint *gp) const
virtual void modifyProperty (int aProperty, double value, GaussPoint *gp)
double giveCastingTime () const
virtual bool isActivated (TimeStep *tStep) const
virtual bool hasCastingTimeSupport () const
void printYourself () override
 Prints receiver state on stdout. Useful for debugging.
virtual void saveIPContext (DataStream &stream, ContextMode mode, GaussPoint *gp)
virtual void restoreIPContext (DataStream &stream, ContextMode mode, GaussPoint *gp)
int checkConsistency () override
virtual void restoreConsistency (GaussPoint *gp)
virtual int initMaterial (Element *element)
virtual MaterialStatusgiveStatus (GaussPoint *gp) const
virtual int packUnknowns (DataStream &buff, TimeStep *tStep, GaussPoint *ip)
virtual int unpackAndUpdateUnknowns (DataStream &buff, TimeStep *tStep, GaussPoint *ip)
virtual int estimatePackSize (DataStream &buff, GaussPoint *ip)
virtual double predictRelativeComputationalCost (GaussPoint *gp)
virtual double predictRelativeRedistributionCost (GaussPoint *gp)
virtual void initTempStatus (GaussPoint *gp) const
void saveContext (DataStream &stream, ContextMode mode) override
void restoreContext (DataStream &stream, ContextMode mode) override
Public Member Functions inherited from oofem::FEMComponent
 FEMComponent (int n, Domain *d)
virtual ~FEMComponent ()=default
 Virtual destructor.
DomaingiveDomain () const
virtual void setDomain (Domain *d)
int giveNumber () const
void setNumber (int num)
virtual void updateLocalNumbering (EntityRenumberingFunctor &f)
virtual void initializeFrom (InputRecord &ir, int priority)
virtual void initializeFinish ()
virtual void postInitialize ()
 Performs post initialization steps. Called after all components are created and initialized.
virtual void printOutputAt (FILE *file, TimeStep *tStep)
virtual InterfacegiveInterface (InterfaceType t)
std::string errorInfo (const char *func) const
 Returns string for prepending output (used by error reporting macros).

Protected Member Functions

void computeStressSpaceHardeningVars (FloatArray &answer, GaussPoint *gp, const FloatArray &strainSpaceHardeningVariables) const override
double computeYieldValueAt (GaussPoint *gp, int isurf, const FloatArray &stressVector, const FloatArray &stressSpaceHardeningVars) const override
void computeHardeningReducedModuli (FloatMatrix &answer, GaussPoint *gp, const FloatArray &strainSpaceHardeningVariables, TimeStep *tStep) const override
void computeStressGradientVector (FloatArray &answer, functType ftype, int isurf, GaussPoint *gp, const FloatArray &stressVector, const FloatArray &stressSpaceHardeningVars) const override
void computeStressSpaceHardeningVarsReducedGradient (FloatArray &answer, functType ftype, int isurf, GaussPoint *gp, const FloatArray &stressVector, const FloatArray &stressSpaceHardeningVars) const override
int hasHardening () const override
void computeReducedGradientMatrix (FloatMatrix &answer, int isurf, GaussPoint *gp, const FloatArray &stressVector, const FloatArray &stressSpaceHardeningVars) const override
virtual void compute3dElasticModuli (FloatMatrix &answer, GaussPoint *gp, TimeStep *tStep) const
double computeJ2InvariantAt (const FloatArray &stressVector) const
int giveSizeOfFullHardeningVarsVector () const override
int giveSizeOfReducedHardeningVarsVector (GaussPoint *gp) const override
double giveIsotropicHardeningVar (const FloatArray &stressSpaceHardeningVars) const
void giveStressBackVector (FloatArray &answer, const FloatArray &stressSpaceHardeningVars) const
Protected Member Functions inherited from oofem::MPlasticMaterial
void closestPointReturn (FloatArray &answer, IntArray &activeConditionMap, FloatArray &gamma, GaussPoint *gp, const FloatArray &totalStrain, FloatArray &plasticStrainR, FloatArray &strainSpaceHardeningVariables, TimeStep *tStep) const
void cuttingPlaneReturn (FloatArray &answer, IntArray &activeConditionMap, FloatArray &gamma, GaussPoint *gp, const FloatArray &totalStrain, FloatArray &plasticStrainR, FloatArray &strainSpaceHardeningVariables, TimeStep *tStep) const
void computeGradientVector (FloatArray &answer, functType ftype, int isurf, GaussPoint *gp, const FloatArray &fullStressVector, const FloatArray &fullStressSpaceHardeningVars) const
void computeResidualVector (FloatArray &answer, GaussPoint *gp, const FloatArray &gamma, const IntArray &activeConditionMap, const FloatArray &plasticStrainVectorR, const FloatArray &strainSpaceHardeningVariables, std ::vector< FloatArray > &gradVec) const
virtual FloatMatrix giveConsistentStiffnessMatrix (MatResponseMode, GaussPoint *gp, TimeStep *tStep) const
virtual void giveElastoPlasticStiffnessMatrix (FloatMatrix &answer, MatResponseMode mode, GaussPoint *gp, TimeStep *tStep) const
void computeAlgorithmicModuli (FloatMatrix &answer, GaussPoint *gp, const FloatMatrix &elasticModuliInverse, const FloatMatrix &hardeningModuliInverse, const FloatArray &gamma, const IntArray &activeConditionMap, const FloatArray &fullStressVector, const FloatArray &fullStressSpaceHardeningVars) const
void computeDiagModuli (FloatMatrix &answer, GaussPoint *gp, FloatMatrix &elasticModuliInverse, FloatMatrix &hardeningModuliInverse) const
virtual void computeTrialStressIncrement (FloatArray &answer, GaussPoint *gp, const FloatArray &strainIncrement, TimeStep *tStep) const
virtual void computeReducedElasticModuli (FloatMatrix &answer, GaussPoint *gp, TimeStep *tStep) const
FloatMatrixF< 3, 3 > givePlaneStressStiffMtrx (MatResponseMode, GaussPoint *gp, TimeStep *tStep) const override
FloatMatrixF< 4, 4 > givePlaneStrainStiffMtrx (MatResponseMode, GaussPoint *gp, TimeStep *tStep) const override
FloatMatrixF< 1, 1 > give1dStressStiffMtrx (MatResponseMode, GaussPoint *gp, TimeStep *tStep) const override
FloatMatrixF< 2, 2 > give2dBeamLayerStiffMtrx (MatResponseMode, GaussPoint *gp, TimeStep *tStep) const override
FloatMatrixF< 5, 5 > givePlateLayerStiffMtrx (MatResponseMode, GaussPoint *gp, TimeStep *tStep) const override
FloatMatrixF< 3, 3 > giveFiberStiffMtrx (MatResponseMode, GaussPoint *gp, TimeStep *tStep) const override

Protected Attributes

int kinematicHardeningFlag = 0
int isotropicHardeningFlag = 0
double kinematicModuli = 0.
double isotropicModuli = 0.
double k = 0.
Protected Attributes inherited from oofem::MPlasticMaterial
LinearElasticMateriallinearElasticMaterial = nullptr
 Reference to bulk (undamaged) material.
int nsurf = 0
 Number of yield surfaces.
enum oofem::MPlasticMaterial::ReturnMappingAlgoType rmType = mpm_ClosestPoint
enum oofem::MPlasticMaterial::plastType plType = associatedPT
Protected Attributes inherited from oofem::StructuralMaterial
double referenceTemperature = 0.
 Reference temperature (temperature, when material has been built into structure).
MatResponseMode SCStiffMode = TangentStiffness
 stifness mode used in stress control
double SCRelTol = 1.e-3
 relative tolerance for stress control
double SCAbsTol = 1.e-12
 absolute stress tolerance for stress control
int SCMaxiter = 100000
 maximum iterations for stress-control
Protected Attributes inherited from oofem::Material
Dictionary propertyDictionary
double castingTime
int preCastingTimeMat
 Material existing before casting time - optional parameter, zero by default.
Protected Attributes inherited from oofem::FEMComponent
int number
 Component number.
Domaindomain
 Link to domain object, useful for communicating with other FEM components.

Additional Inherited Members

Static Public Member Functions inherited from oofem::StructuralMaterial
static int giveSymVI (int ind1, int ind2)
static int giveVI (int ind1, int ind2)
static FloatMatrixF< 9, 9 > convert_dSdE_2_dPdF_3D (const FloatMatrixF< 6, 6 > &dSdE, const FloatArrayF< 6 > &S, const FloatArrayF< 9 > &F)
static FloatMatrixF< 5, 5 > convert_dSdE_2_dPdF_PlaneStrain (const FloatMatrixF< 4, 4 > &dSdE, const FloatArrayF< 4 > &S, const FloatArrayF< 5 > &F)
static FloatMatrixF< 4, 4 > convert_dSdE_2_dPdF_PlaneStress (const FloatMatrixF< 3, 3 > &dSdE, const FloatArrayF< 3 > &S, const FloatArrayF< 4 > &F)
static FloatMatrixF< 1, 1 > convert_dSdE_2_dPdF_1D (const FloatMatrixF< 1, 1 > &dSdE, const FloatArrayF< 1 > &S, const FloatArrayF< 1 > &F)
static void computePrincipalValues (FloatArray &answer, const FloatArray &s, stressStrainPrincMode mode)
 Common functions for convenience.
static FloatArrayF< 3 > computePrincipalValues (const FloatMatrixF< 3, 3 > &s)
static FloatArrayF< 3 > computePrincipalValues (double I1, double I2, double I3)
static void computePrincipalValDir (FloatArray &answer, FloatMatrix &dir, const FloatArray &s, stressStrainPrincMode mode)
static std::pair< FloatArrayF< 3 >, FloatMatrixF< 3, 3 > > computePrincipalValDir (const FloatMatrixF< 3, 3 > &s)
static FloatArrayF< 6 > computeDeviator (const FloatArrayF< 6 > &s)
static std::pair< FloatArrayF< 6 >, double > computeDeviatoricVolumetricSplit (const FloatArrayF< 6 > &s)
static FloatArrayF< 6 > computeDeviatoricVolumetricSum (const FloatArrayF< 6 > &dev, double mean)
static FloatArrayF< 6 > applyDeviatoricElasticCompliance (const FloatArrayF< 6 > &stress, double EModulus, double nu)
static FloatArrayF< 6 > applyDeviatoricElasticCompliance (const FloatArrayF< 6 > &stress, double GModulus)
static FloatArrayF< 6 > applyDeviatoricElasticStiffness (const FloatArrayF< 6 > &strain, double EModulus, double nu)
static FloatArrayF< 6 > applyDeviatoricElasticStiffness (const FloatArrayF< 6 > &strain, double GModulus)
static FloatArrayF< 6 > applyElasticStiffness (const FloatArrayF< 6 > &strain, double EModulus, double nu)
static FloatArrayF< 6 > applyElasticCompliance (const FloatArrayF< 6 > &stress, double EModulus, double nu)
static double computeStressNorm (const FloatArrayF< 6 > &stress)
static double computeFirstInvariant (const FloatArrayF< 6 > &s)
static double computeSecondStressInvariant (const FloatArrayF< 6 > &s)
static double computeThirdStressInvariant (const FloatArrayF< 6 > &s)
static double computeFirstCoordinate (const FloatArrayF< 6 > &s)
static double computeSecondCoordinate (const FloatArrayF< 6 > &s)
static double computeThirdCoordinate (const FloatArrayF< 6 > &s)
static int giveVoigtVectorMask (IntArray &answer, MaterialMode mmode)
static int giveVoigtSymVectorMask (IntArray &answer, MaterialMode mmode)
static void giveInvertedVoigtVectorMask (IntArray &answer, MaterialMode mmode)
static int giveSizeOfVoigtVector (MaterialMode mmode)
static int giveSizeOfVoigtSymVector (MaterialMode mmode)
static void giveFullVectorForm (FloatArray &answer, const FloatArray &strainVector, MaterialMode matMode)
 Converts the reduced symmetric Voigt vector (2nd order tensor) to full form.
static void giveFullVectorFormF (FloatArray &answer, const FloatArray &strainVector, MaterialMode matMode)
 Converts the reduced deformation gradient Voigt vector (2nd order tensor).
static void giveFullSymVectorForm (FloatArray &answer, const FloatArray &vec, MaterialMode matMode)
 Converts the reduced unsymmetric Voigt vector (2nd order tensor) to full form.
static void giveReducedVectorForm (FloatArray &answer, const FloatArray &vec, MaterialMode matMode)
 Converts the full symmetric Voigt vector (2nd order tensor) to reduced form.
static void giveReducedSymVectorForm (FloatArray &answer, const FloatArray &vec, MaterialMode matMode)
 Converts the full unsymmetric Voigt vector (2nd order tensor) to reduced form.
static void giveFullSymMatrixForm (FloatMatrix &answer, const FloatMatrix &red, MaterialMode matMode)
 Converts the full unsymmetric Voigt matrix (4th order tensor) to reduced form.
static void giveReducedMatrixForm (FloatMatrix &answer, const FloatMatrix &full, MaterialMode matMode)
 Converts the full symmetric Voigt matrix (4th order tensor) to reduced form.
static void giveReducedSymMatrixForm (FloatMatrix &answer, const FloatMatrix &full, MaterialMode matMode)
 Converts the full unsymmetric Voigt matrix (4th order tensor) to reduced form.
static FloatArrayF< 6 > transformStrainVectorTo (const FloatMatrixF< 3, 3 > &base, const FloatArrayF< 6 > &strain, bool transpose=false)
static FloatArrayF< 6 > transformStressVectorTo (const FloatMatrixF< 3, 3 > &base, const FloatArrayF< 6 > &stress, bool transpose=false)
static double computeVonMisesStress (const FloatArray &currentStress)
static double computeVonMisesStress_3D (const FloatArrayF< 6 > &stress)
static double computeVonMisesStress_PlaneStress (const FloatArrayF< 3 > &stress)
static FloatMatrixF< 6, 6 > giveStrainVectorTranformationMtrx (const FloatMatrixF< 3, 3 > &base, bool transpose=false)
static FloatMatrixF< 3, 3 > give2DStrainVectorTranformationMtrx (const FloatMatrixF< 2, 2 > &base, bool transpose=false)
static FloatMatrixF< 6, 6 > giveStressVectorTranformationMtrx (const FloatMatrixF< 3, 3 > &base, bool transpose=false)
static FloatMatrixF< 3, 3 > givePlaneStressVectorTranformationMtrx (const FloatMatrixF< 2, 2 > &base, bool transpose=false)
static void sortPrincDirAndValCloseTo (FloatArray &pVal, FloatMatrix &pDir, const FloatMatrix &toPDir)
Static Public Attributes inherited from oofem::StructuralMaterial
static std::array< std::array< int, 3 >, 3 > vIindex
 Voigt index map.
static std::array< std::array< int, 3 >, 3 > svIndex
 Symmetric Voigt index map.
Protected Types inherited from oofem::MPlasticMaterial
enum  ReturnMappingAlgoType { mpm_ClosestPoint , mpm_CuttingPlane }
 Protected type to determine the return mapping algorithm. More...
enum  functType { yieldFunction , loadFunction }
 Type that allows to distinguish between yield function and loading function. More...
enum  plastType { associatedPT , nonassociatedPT }

Detailed Description

This class implements a isotropic plastic linear material (J2 plasticity condition is used) in a finite element problem. Both kinematic and isotropic hardening is supported.

Definition at line 57 of file j2mplasticmaterial.h.

Constructor & Destructor Documentation

◆ J2MPlasticMaterial()

oofem::J2MPlasticMaterial::J2MPlasticMaterial ( int n,
Domain * d )

Member Function Documentation

◆ compute3dElasticModuli()

void oofem::J2MPlasticMaterial::compute3dElasticModuli ( FloatMatrix & answer,
GaussPoint * gp,
TimeStep * tStep ) const
protectedvirtual

◆ computeHardeningReducedModuli()

void oofem::J2MPlasticMaterial::computeHardeningReducedModuli ( FloatMatrix & answer,
GaussPoint * gp,
const FloatArray & strainSpaceHardeningVariables,
TimeStep * tStep ) const
overrideprotectedvirtual

◆ computeJ2InvariantAt()

double oofem::J2MPlasticMaterial::computeJ2InvariantAt ( const FloatArray & stressVector) const
protected

◆ computeReducedGradientMatrix()

◆ computeStressGradientVector()

void oofem::J2MPlasticMaterial::computeStressGradientVector ( FloatArray & answer,
functType ftype,
int isurf,
GaussPoint * gp,
const FloatArray & stressVector,
const FloatArray & stressSpaceHardeningVars ) const
overrideprotectedvirtual

◆ computeStressSpaceHardeningVars()

◆ computeStressSpaceHardeningVarsReducedGradient()

void oofem::J2MPlasticMaterial::computeStressSpaceHardeningVarsReducedGradient ( FloatArray & answer,
functType ftype,
int isurf,
GaussPoint * gp,
const FloatArray & stressVector,
const FloatArray & stressSpaceHardeningVars ) const
overrideprotectedvirtual

◆ computeYieldValueAt()

double oofem::J2MPlasticMaterial::computeYieldValueAt ( GaussPoint * gp,
int isurf,
const FloatArray & stressVector,
const FloatArray & stressSpaceHardeningVars ) const
overrideprotectedvirtual

◆ CreateStatus()

std::unique_ptr< MaterialStatus > oofem::J2MPlasticMaterial::CreateStatus ( GaussPoint * gp) const
overridevirtual

Creates new copy of associated status and inserts it into given integration point.

Parameters
gpIntegration point where newly created status will be stored.
Returns
Reference to new status.

Reimplemented from oofem::Material.

Definition at line 90 of file j2mplasticmaterial.C.

References giveSizeOfReducedHardeningVarsVector().

◆ giveClassName()

const char * oofem::J2MPlasticMaterial::giveClassName ( ) const
inlineoverridevirtual
Returns
Class name of the receiver.

Implements oofem::FEMComponent.

Definition at line 69 of file j2mplasticmaterial.h.

◆ giveInputRecordName()

const char * oofem::J2MPlasticMaterial::giveInputRecordName ( ) const
inlineoverridevirtual
Returns
Input record name of the receiver.

Implements oofem::FEMComponent.

Definition at line 68 of file j2mplasticmaterial.h.

References _IFT_J2MPlasticMaterial_Name.

◆ giveIsotropicHardeningVar()

double oofem::J2MPlasticMaterial::giveIsotropicHardeningVar ( const FloatArray & stressSpaceHardeningVars) const
protected

◆ giveSizeOfFullHardeningVarsVector()

int oofem::J2MPlasticMaterial::giveSizeOfFullHardeningVarsVector ( ) const
overrideprotectedvirtual

Reimplemented from oofem::MPlasticMaterial.

Definition at line 417 of file j2mplasticmaterial.C.

References isotropicHardeningFlag, and kinematicHardeningFlag.

Referenced by computeStressSpaceHardeningVars().

◆ giveSizeOfReducedHardeningVarsVector()

int oofem::J2MPlasticMaterial::giveSizeOfReducedHardeningVarsVector ( GaussPoint * gp) const
overrideprotectedvirtual

◆ giveStressBackVector()

void oofem::J2MPlasticMaterial::giveStressBackVector ( FloatArray & answer,
const FloatArray & stressSpaceHardeningVars ) const
protected

◆ hasHardening()

int oofem::J2MPlasticMaterial::hasHardening ( ) const
overrideprotectedvirtual

◆ initializeFrom()

void oofem::J2MPlasticMaterial::initializeFrom ( InputRecord & ir)
overridevirtual

Initializes receiver according to object description stored in input record. This function is called immediately after creating object using constructor. Input record can be imagined as data record in component database belonging to receiver. Receiver may use value-name extracting functions to extract particular field from record. Note that initializeFrom may be called mutiple times.

See also
IR_GIVE_FIELD
IR_GIVE_OPTIONAL_FIELD
Parameters
irInput record to initialize from.
priorityPriority of the input record. This is used to determine the order of initialization

Reimplemented from oofem::FEMComponent.

Definition at line 55 of file j2mplasticmaterial.C.

References _IFT_J2MPlasticMaterial_ihm, _IFT_J2MPlasticMaterial_khm, _IFT_J2MPlasticMaterial_rma, _IFT_J2MPlasticMaterial_ry, IR_GIVE_FIELD, IR_GIVE_OPTIONAL_FIELD, isotropicHardeningFlag, isotropicModuli, k, kinematicHardeningFlag, kinematicModuli, oofem::MPlasticMaterial::linearElasticMaterial, oofem::MPlasticMaterial::mpm_ClosestPoint, oofem::MPlasticMaterial::mpm_CuttingPlane, and oofem::MPlasticMaterial::rmType.

Member Data Documentation

◆ isotropicHardeningFlag

◆ isotropicModuli

double oofem::J2MPlasticMaterial::isotropicModuli = 0.
protected

◆ k

double oofem::J2MPlasticMaterial::k = 0.
protected

Definition at line 62 of file j2mplasticmaterial.h.

Referenced by computeYieldValueAt(), and initializeFrom().

◆ kinematicHardeningFlag

◆ kinematicModuli

double oofem::J2MPlasticMaterial::kinematicModuli = 0.
protected

The documentation for this class was generated from the following files:

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