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Commit bc3f028e authored by Julien Leclerc's avatar Julien Leclerc
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add and clean new options in coupled law

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NonLinearSolver/materialLaw/mlawNonLocalPorousCoupled.cpp
+ 113
− 85
View file @ bc3f028e
......@@ -18,7 +18,7 @@ mlawNonLocalPorousCoupledLaw::mlawNonLocalPorousCoupledLaw(const int num,const d
const double fVinitial, const double lambda0, const J2IsotropicHardening &j2IH, const CLengthLaw &cLLaw,
const double tol, const bool matrixbyPerturbation, const double pert) :
mlawNonLocalPorosity(num, E, nu, rho, fVinitial, j2IH, cLLaw, tol, matrixbyPerturbation, pert),
_withCrackTransition(false), _withBothYieldSurfaces(false)
_withCrackTransition(false), _withBothYieldSurfacesInBulk(false), _withBothYieldSurfacesInInterface(false), _beta(0.)
{
_mlawGrowth = new mlawNonLocalDamageGurson(num, E, nu, rho, q1, q2, q3, fVinitial, j2IH, cLLaw, tol, matrixbyPerturbation, pert);
......@@ -34,7 +34,7 @@ mlawNonLocalPorousCoupledLaw::mlawNonLocalPorousCoupledLaw(const int num,const d
const double fVinitial, const double lambda0, const double kappa, const J2IsotropicHardening &j2IH, const CLengthLaw &cLLaw,
const double tol, const bool matrixbyPerturbation, const double pert) :
mlawNonLocalPorosity(num, E, nu, rho, fVinitial, j2IH, cLLaw, tol, matrixbyPerturbation, pert),
_withCrackTransition(false), _withBothYieldSurfaces(false)
_withCrackTransition(false), _withBothYieldSurfacesInBulk(false), _withBothYieldSurfacesInInterface(false), _beta(0.)
{
_mlawGrowth = new mlawNonLocalDamageGurson(num, E, nu, rho, q1, q2, q3, fVinitial, j2IH, cLLaw, tol, matrixbyPerturbation, pert);
......@@ -49,7 +49,10 @@ mlawNonLocalPorousCoupledLaw::mlawNonLocalPorousCoupledLaw(const int num,const d
mlawNonLocalPorousCoupledLaw::mlawNonLocalPorousCoupledLaw(const mlawNonLocalPorousCoupledLaw &source) :
mlawNonLocalPorosity(source),
_withCrackTransition(source._withCrackTransition), _withBothYieldSurfaces(source._withBothYieldSurfaces)
_withCrackTransition(source._withCrackTransition), _withBothYieldSurfacesInBulk(source._withBothYieldSurfacesInBulk),
_withBothYieldSurfacesInInterface(source._withBothYieldSurfacesInInterface),
_beta(source._beta)
{
_mlawGrowth = NULL;
if(source._mlawGrowth != NULL) _mlawGrowth = dynamic_cast<mlawNonLocalDamageGurson*>(source._mlawGrowth->clone());
......@@ -132,14 +135,15 @@ void mlawNonLocalPorousCoupledLaw::setCfTOffsetMethod(const int MethodNumber){
}
};
void mlawNonLocalPorousCoupledLaw::setCouplingBehaviour(const bool flag){
_withBothYieldSurfaces = flag;
if(_withBothYieldSurfaces){Msg::Info("mlawNonLocalPorousCoupledLaw:: Gurson is also allowed during transition");};
}
void mlawNonLocalPorousCoupledLaw::setCouplingBehaviour(const bool flagBulk, const bool flagInterface){
_withBothYieldSurfacesInBulk = flagBulk;
_withBothYieldSurfacesInInterface = flagInterface;
};
void mlawNonLocalPorousCoupledLaw::setCrackTransition(const bool fl){
void mlawNonLocalPorousCoupledLaw::setCrackTransition(const bool fl, const double beta){
_withCrackTransition = fl;
_beta = beta;
};
void mlawNonLocalPorousCoupledLaw::setBalanceEquationType(const int type){
......@@ -413,7 +417,6 @@ void mlawNonLocalPorousCoupledLaw::checkCoalescence(IPNonLocalPorosity* q1, cons
// Get effective traction stress on the interface from tau stress
static SVector3 tractionForce; // traction force vector
double tauEff = 0.; double tauN = 0.; double tauTanSq = 0.; // tranction force components
double beta = 1.; // ratio => should be moved into law creation as a parameter
static SVector3 Norm;
Norm = q1->getConstRefToReferenceOutwardNormal();
if (Norm.norm() > 0){ // is it usefulll ???
......@@ -433,10 +436,10 @@ void mlawNonLocalPorousCoupledLaw::checkCoalescence(IPNonLocalPorosity* q1, cons
}
// Compute effective stress
if (tauN > 0.){
tauEff = sqrt(tauN*tauN + beta*tauTanSq);
tauEff = sqrt(tauN*tauN + _beta*tauTanSq);
}
else{
tauEff = sqrt(beta*tauTanSq);
tauEff = sqrt(_beta*tauTanSq);
}
}
else{
......@@ -456,7 +459,7 @@ void mlawNonLocalPorousCoupledLaw::checkCoalescence(IPNonLocalPorosity* q1, cons
double yieldThomason = _mlawCoales->yieldFunction(kcorEq,pcor,R,yieldfV,q0,q1,T);
// Offset management
if(_CfTOffsetMethod == 2 or _CfTOffsetMethod == 3){
if(_CfTOffsetMethod == 2){
// Method 2: Offset is always computed to ensure contuinity if coalescence is forced (offset can be <1)
q1Thom->getRefToCrackOffsetOnCft() = 1. + yieldThomason*R0/(Cft*R);
}
......@@ -487,8 +490,6 @@ void mlawNonLocalPorousCoupledLaw::checkCoalescence(IPNonLocalPorosity* q1, cons
q1Thom->getRefToCrackOffsetOnCft() = 1.;
}
Msg::Info("Criterion satified with a traction force angle =%e rad", atan(sqrt(tauTanSq)/tauN));
}
else{
// Coalescence never occurs and is not occuring at the next step
......@@ -525,7 +526,7 @@ void mlawNonLocalPorousCoupledLaw::checkCoalescence(IPNonLocalPorosity* q1, cons
// Determine which mode should be used for the next time step.
if(!q0Thom->getCoalescenceOnsetFlag()){
// First time that coalescence is detected: Thomason == ON
// This case is only appearing with with selective update
// This case is only appearing with selective update
q1Thom->getRefToCoalescenceActiveFlag() = true;
q1Thom->getRefToAccelerateRate() = 1.0;
q1Thom->getRefToYieldOffset() = _mlawGrowth->yieldFunction(kcorEq,pcor,R,yieldfV,q0,q1,T);
......@@ -538,8 +539,8 @@ void mlawNonLocalPorousCoupledLaw::checkCoalescence(IPNonLocalPorosity* q1, cons
q1Thom->getRefToYieldOffset() = yieldGurson;
if(yieldGurson > _tol){
Msg::Info("Change yield surface to Gurson fG =%e",yieldGurson);
if(_withBothYieldSurfaces){
q1Thom->getRefToCoalescenceActiveFlag() = false; // Gurson will be used at the next time step
if(_withBothYieldSurfacesInInterface){
q1Thom->getRefToCoalescenceActiveFlag() = false; // Gurson is forced to be used at the next time step
}
else{
q1Thom->getRefToCoalescenceActiveFlag() = true;
......@@ -559,12 +560,6 @@ void mlawNonLocalPorousCoupledLaw::checkCoalescence(IPNonLocalPorosity* q1, cons
Msg::Info("Change yield surface to Thomason fT = %e",yieldThomason);
q1Thom->getRefToCoalescenceActiveFlag() = true; // Thomason will be used at the next time step
q1Thom->getRefToAccelerateRate() = 1.0;
if (_CfTOffsetMethod == 3){
q1Thom->getRefToCrackOffsetOnCft() = q0Thom->getCrackOffsetOnCft() + q1Thom->getYieldOffset()*R0/(Cft*R);
if (q1Thom->getRefToCrackOffsetOnCft() > 2.){Msg::Error("High predicted value of Cft Offset = %e",q1Thom->getRefToCrackOffsetOnCft());};
}
}
else{
q1Thom->getRefToCoalescenceActiveFlag() = false; // Gurson will be used at the next time step
......@@ -577,34 +572,12 @@ void mlawNonLocalPorousCoupledLaw::checkCoalescence(IPNonLocalPorosity* q1, cons
else
{
// In the bulk:
/*
// Only growth model is allowed
q1Thom->getRefToCoalescenceOnsetFlag() = false;
// Reset onset variables to their default value
q1Thom->getRefToPorosityAtCoalescenceOnset() = 0.;
q1Thom->getRefToLigamentRatioAtCoalescenceOnset() = 0.;
q1Thom->getRefToAspectRatioAtCoalescenceOnset() = 0.;
q1Thom->getRefToShapeFactorAtCoalescenceOnset() = 0.;
q1Thom->getRefToCoalescenceActiveFlag() = false;
q1Thom->getRefToCrackOffsetOnCft() = 1.;
q1Thom->getRefToAccelerateRate() = 1.;
q1Thom->getRefToYieldOffset() = 0.;
*/
if(_withBothYieldSurfacesInBulk){
if (!q0Thom->getCoalescenceOnsetFlag()){
double yieldThomason = _mlawCoales->yieldFunction(kcorEq,pcor,R,yieldfV,q0,q1,T);
double yieldThomason = _mlawCoales->yieldFunction(kcorEq,pcor,R,yieldfV,q0,q1,T);
if (yieldThomason > _tol){
q1Thom->getRefToCoalescenceCriterion() = 0.;
// update offset
if (_CfTOffsetMethod == 1){
q1Thom->getRefToCrackOffsetOnCft() = 1. + yieldThomason*R0/(Cft*R);
Msg::Info("coalescence occurs, use Thomason yield surface in next step with offset = %e",q1Thom->getCrackOffsetOnCft());
}
else if(_CfTOffsetMethod == 0){
q1Thom->getRefToCrackOffsetOnCft() = 1.;
}
q1Thom->getRefToCoalescenceActiveFlag() = true;
q1Thom->getRefToCoalescenceOnsetFlag() = true;
......@@ -632,26 +605,81 @@ void mlawNonLocalPorousCoupledLaw::checkCoalescence(IPNonLocalPorosity* q1, cons
}
}
else{
q1Thom->getRefToCoalescenceCriterion() = 0.;
q1Thom->getRefToCoalescenceActiveFlag() = true;
q1Thom->getRefToCoalescenceOnsetFlag() = true;
// Coalescence has occured at least once
q1Thom->getRefToCoalescenceOnsetFlag() = true; // already done....
// Update onset value (yield porosity and geometrical parameters)
q1Thom->getRefToPorosityAtCoalescenceOnset() = q0Thom->getPorosityAtCoalescenceOnset();
q1Thom->getRefToLigamentRatioAtCoalescenceOnset() = q0Thom->getLigamentRatioAtCoalescenceOnset();
q1Thom->getRefToAspectRatioAtCoalescenceOnset() = q0Thom->getAspectRatioAtCoalescenceOnset();
q1Thom->getRefToShapeFactorAtCoalescenceOnset() = q0Thom->getShapeFactorAtCoalescenceOnset();
q1Thom->getRefToPorosityAtCoalescenceOnset() = q0Thom->getPorosityAtCoalescenceOnset();
// Cft onset - Method 0-1-2: keep it always constant once the coalescence occurs
q1Thom->getRefToCrackOffsetOnCft() = q0Thom->getCrackOffsetOnCft();
q1Thom->getRefToAccelerateRate() = q0Thom->getAccelerateRate();
// Determine which mode should be used for the next time step.
if(!q0Thom->getCoalescenceOnsetFlag()){
// First time that coalescence is detected: Thomason == ON
// This case is only appearing with selective update
q1Thom->getRefToCoalescenceActiveFlag() = true;
q1Thom->getRefToAccelerateRate() = 1.0;
q1Thom->getRefToYieldOffset() = _mlawGrowth->yieldFunction(kcorEq,pcor,R,yieldfV,q0,q1,T);
}
else{
// Not the first time that coalescence appears
if (q0Thom->getCoalescenceActiveFlag()){
// If Thomason is/was used for this time step : check if Gurson is more restrictive
double yieldGurson = _mlawGrowth->yieldFunction(kcorEq,pcor,R,yieldfV,q0,q1,T);
q1Thom->getRefToYieldOffset() = yieldGurson;
if(yieldGurson > _tol){
Msg::Info("Change yield surface to Gurson fG =%e",yieldGurson);
if(_withBothYieldSurfacesInInterface){
q1Thom->getRefToCoalescenceActiveFlag() = false; // Gurson is forced to be used at the next time step
}
else{
q1Thom->getRefToCoalescenceActiveFlag() = true;
}
q1Thom->getRefToAccelerateRate() = 1.0;
}
else{
q1Thom->getRefToCoalescenceActiveFlag() = true; // Thomason will be used at the next time step
q1Thom->getRefToAccelerateRate() = 1.0;
}
}
else{
// If Gurson was/is used for this time step : check if Thomason is more restrictive
double yieldThomason = _mlawCoales->yieldFunction(kcorEq,pcor,R,yieldfV,q0,q1,T);
q1Thom->getRefToYieldOffset() = yieldThomason;
if(yieldThomason > _tol){
Msg::Info("Change yield surface to Thomason fT = %e",yieldThomason);
q1Thom->getRefToCoalescenceActiveFlag() = true; // Thomason will be used at the next time step
q1Thom->getRefToAccelerateRate() = 1.0;
}
else{
q1Thom->getRefToCoalescenceActiveFlag() = false; // Gurson will be used at the next time step
q1Thom->getRefToAccelerateRate() = 1.0;
}
}
}
}
}
else{
// Only growth model is allowed
q1Thom->getRefToCoalescenceOnsetFlag() = false;
// Reset onset variables to their default value
q1Thom->getRefToPorosityAtCoalescenceOnset() = 0.;
q1Thom->getRefToLigamentRatioAtCoalescenceOnset() = 0.;
q1Thom->getRefToAspectRatioAtCoalescenceOnset() = 0.;
q1Thom->getRefToShapeFactorAtCoalescenceOnset() = 0.;
// In the bulk: end
q1Thom->getRefToCoalescenceActiveFlag() = false;
q1Thom->getRefToCrackOffsetOnCft() = 1.;
q1Thom->getRefToAccelerateRate() = 1.;
q1Thom->getRefToYieldOffset() = 0.;
}
}
}
else{
// Without crack transition:
// If crack transition is not used: no distinction between bulk and interface ipvs
// if Thomason yield surface is first used, it always is used
// onset and active are the same
......
NonLinearSolver/materialLaw/mlawNonLocalPorousCoupled.h
+ 5
− 3
View file @ bc3f028e
......@@ -26,7 +26,9 @@ class mlawNonLocalPorousCoupledLaw : public mlawNonLocalPorosity
// options
bool _withCrackTransition;
bool _withBothYieldSurfaces;
bool _withBothYieldSurfacesInBulk;
bool _withBothYieldSurfacesInInterface;
double _beta;
public:
......@@ -48,12 +50,12 @@ class mlawNonLocalPorousCoupledLaw : public mlawNonLocalPorosity
virtual void setScatterredInitialPorosity(double f0min, double f0max);
virtual void setCoalescenceLaw(const CoalescenceLaw& added_coalsLaw);
virtual void setYieldSurfaceExponent(const double newN);
virtual void setCrackTransition(const bool fl);
virtual void setCrackTransition(const bool fl, const double beta=0.);
virtual void setBalanceEquationType(const int type);
virtual void setRoundedYieldSurfaceMethod(const int method);
virtual void setOnsetTriaxialityForRoundedYieldSurface(const double newTc);
virtual void setCfTOffsetMethod(const int MethodNumber);
virtual void setCouplingBehaviour(const bool flag);
virtual void setCouplingBehaviour(const bool flagBulk, const bool flagInterface=false);
virtual void setShearPorosityGrowthFactor(const double k);
virtual void setLocalRegularizedFunction(const scalarFunction& fct);
......
dG3D/src/nonLocalDamageDG3DMaterialLaw.cpp
+ 4
− 4
View file @ bc3f028e
......@@ -1332,12 +1332,12 @@ void NonLocalPorousCoupledDG3DMaterialLaw::setCfTOffsetMethod(const int method){
static_cast<mlawNonLocalPorousCoupledLaw*>(_nldPorous)->setCfTOffsetMethod(method);
};
void NonLocalPorousCoupledDG3DMaterialLaw::setCouplingBehaviour(const bool flag){
static_cast<mlawNonLocalPorousCoupledLaw*>(_nldPorous)->setCouplingBehaviour(flag);
void NonLocalPorousCoupledDG3DMaterialLaw::setCouplingBehaviour(const bool flagBulk, const bool flagInterface){
static_cast<mlawNonLocalPorousCoupledLaw*>(_nldPorous)->setCouplingBehaviour(flagBulk, flagInterface);
};
void NonLocalPorousCoupledDG3DMaterialLaw::setCrackTransition(const bool fl){
static_cast<mlawNonLocalPorousCoupledLaw*>(_nldPorous)->setCrackTransition(fl);
void NonLocalPorousCoupledDG3DMaterialLaw::setCrackTransition(const bool fl, const double beta){
static_cast<mlawNonLocalPorousCoupledLaw*>(_nldPorous)->setCrackTransition(fl,beta);
}
void NonLocalPorousCoupledDG3DMaterialLaw::setBalanceEquationType(const int type){
......
dG3D/src/nonLocalDamageDG3DMaterialLaw.h
+ 2
− 2
View file @ bc3f028e
......@@ -443,12 +443,12 @@ class NonLocalPorousCoupledDG3DMaterialLaw : public NonLocalPorousDuctileDamageD
const double tol=1.e-8, const bool matrixbyPerturbation = false, const double pert = 1e-8);
void setYieldSurfaceExponent(const double newN);
void setCrackTransition(const bool fl);
void setCrackTransition(const bool fl, const double beta=0.);
void setBalanceEquationType(const int type);
void setRoundedYieldSurfaceMethod(const int method);
void setOnsetTriaxialityForRoundedYieldSurface(const double newTc);
void setCfTOffsetMethod(const int method);
void setCouplingBehaviour(const bool flag);
void setCouplingBehaviour(const bool flagBulk, const bool flagInterface=false);
#ifndef SWIG
NonLocalPorousCoupledDG3DMaterialLaw(const NonLocalPorousCoupledDG3DMaterialLaw &source);
virtual ~NonLocalPorousCoupledDG3DMaterialLaw();
......
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