#include <binghamfluid2.h>

Inheritance diagram for oofem::BinghamFluidMaterial2:

Collaboration diagram for oofem::BinghamFluidMaterial2:

Public Member Functions
	BinghamFluidMaterial2 (int n, Domain *d)
FloatArrayF< 6 >	computeDeviatoricStress3D (const FloatArrayF< 6 > &eps, GaussPoint gp, TimeStep tStep) const override
FloatMatrixF< 6, 6 >	computeTangent3D (MatResponseMode, GaussPoint gp, TimeStep tStep) const override
double	giveEffectiveViscosity (GaussPoint gp, TimeStep tStep) const override
double	give (int aProperty, GaussPoint *gp) const override
void	initializeFrom (InputRecord &ir) override
void	giveInputRecord (DynamicInputRecord &input) override
const char *	giveClassName () const override
const char *	giveInputRecordName () const override
int	checkConsistency () override
std::unique_ptr< MaterialStatus >	CreateStatus (GaussPoint *gp) const override
Public Member Functions inherited from oofem::FluidDynamicMaterial
	FluidDynamicMaterial (int n, Domain *d)
virtual std::pair< FloatArrayF< 6 >, double >	computeDeviatoricStress3D (const FloatArrayF< 6 > &eps, double pressure, GaussPoint gp, TimeStep tStep) const
virtual std::pair< FloatArrayF< 3 >, double >	computeDeviatoricStress2D (const FloatArrayF< 3 > &eps, double pressure, GaussPoint gp, TimeStep tStep) const
virtual FloatArrayF< 3 >	computeDeviatoricStress2D (const FloatArrayF< 3 > &eps, GaussPoint gp, TimeStep tStep) const
virtual FloatArrayF< 4 >	computeDeviatoricStressAxi (const FloatArrayF< 4 > &eps, GaussPoint gp, TimeStep tStep) const
virtual FloatMatrixF< 3, 3 >	computeTangent2D (MatResponseMode mode, GaussPoint gp, TimeStep tStep) const
virtual FloatMatrixF< 4, 4 >	computeTangentAxi (MatResponseMode mode, GaussPoint gp, TimeStep tStep) const
virtual Tangents< 6 >	computeTangents3D (MatResponseMode mode, GaussPoint gp, TimeStep tStep) const
virtual Tangents< 3 >	computeTangents2D (MatResponseMode mode, GaussPoint gp, TimeStep tStep) const
int	giveIPValue (FloatArray &answer, GaussPoint gp, InternalStateType type, TimeStep tStep) override
Public Member Functions inherited from oofem::Material
	Material (int n, Domain *d)
virtual	~Material ()=default
	Destructor.
virtual bool	isCharacteristicMtrxSymmetric (MatResponseMode rMode) const
virtual void	giveCharacteristicMatrix (FloatMatrix &answer, MatResponseMode type, GaussPoint gp, TimeStep tStep) const
	Returns characteristic matrix of the receiver.
virtual void	giveCharacteristicVector (FloatArray &answer, FloatArray &flux, MatResponseMode type, GaussPoint gp, TimeStep tStep) const
	Returns characteristic vector of the receiver.
virtual double	giveCharacteristicValue (MatResponseMode type, GaussPoint gp, TimeStep tStep) const
	Returns characteristic value of the receiver.
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	hasMaterialModeCapability (MaterialMode mode) const
virtual bool	hasCastingTimeSupport () const
virtual int	setIPValue (const FloatArray &value, GaussPoint *gp, InternalStateType type)
void	initializeFrom (InputRecord &ir) override
void	giveInputRecord (DynamicInputRecord &input) override
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 MaterialStatus *	giveStatus (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.
Domain *	giveDomain () 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 Interface *	giveInterface (InterfaceType t)
std::string	errorInfo (const char *func) const
	Returns string for prepending output (used by error reporting macros).

Protected Member Functions
double	computeActualViscosity (double tau, double shearRate) const

Static Protected Member Functions
static double	computeDevStrainMagnitude (const FloatArrayF< 6 > &epsd)
static double	computeDevStressMagnitude (const FloatArrayF< 6 > &sigd)
static FloatArrayF< 6 >	computeDeviatoricStrain (const FloatArrayF< 6 > &eps)
static FloatArrayF< 6 >	computeDeviatoricStress (const FloatArrayF< 6 > &deps, double nu)

Protected Attributes
double	mu_0 = 0.
	Viscosity.
double	tau_0 = 0.
	Yield stress.
double	tau_c = 0.
double	mu_inf = 1.e6
double	stressGrowthRate = BINGHAM_DEFAULT_STRESS_GROWTH_RATE
	Stress growth rate - parameter controlling the shape of regularized model.
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.
Domain *	domain
	Link to domain object, useful for communicating with other FEM components.

Detailed Description

Constitutive model of Bingham fluid for concentrated suspensions and pastes. This is the simplest two-constant model, with yield stress and viscosity as parameters.

Definition at line 101 of file binghamfluid2.h.

Constructor & Destructor Documentation

◆ BinghamFluidMaterial2()

oofem::BinghamFluidMaterial2::BinghamFluidMaterial2	(	int	n,
		Domain *	d )

Constructor. Creates material with given number, belonging to given domain.

Parameters

n	Material number.
d	Domain to which new material will belong.

Definition at line 58 of file binghamfluid2.C.

References oofem::FluidDynamicMaterial::FluidDynamicMaterial().

Member Function Documentation

◆ checkConsistency()

int oofem::BinghamFluidMaterial2::checkConsistency ( void )

overridevirtual

Allows programmer to test some internal data, before computation begins. For example, one may use this function, to ensure that element has material with required capabilities is assigned to element. This must be done after all mesh components are instanciated.

Returns: Nonzero if receiver is consistent.

Reimplemented from oofem::FEMComponent.

Definition at line 237 of file binghamfluid2.C.

References oofem::FEMComponent::domain, mu_0, oofem::Material::propertyDictionary, tau_0, oofem::VST_Density, and oofem::VST_Viscosity.

◆ computeActualViscosity()

double oofem::BinghamFluidMaterial2::computeActualViscosity	(	double	tau,
		double	shearRate ) const

protected

Definition at line 252 of file binghamfluid2.C.

References BINGHAM_MIN_SHEAR_RATE, oofem::max(), mu_0, mu_inf, stressGrowthRate, tau_0, and tau_c.

Referenced by computeDeviatoricStress3D(), computeTangent3D(), and giveEffectiveViscosity().

◆ computeDeviatoricStrain()

FloatArrayF< 6 > oofem::BinghamFluidMaterial2::computeDeviatoricStrain ( const FloatArrayF< 6 > & eps )

staticprotected

Definition at line 291 of file binghamfluid2.C.

Referenced by computeDeviatoricStress3D().

◆ computeDeviatoricStress()

FloatArrayF< 6 > oofem::BinghamFluidMaterial2::computeDeviatoricStress	(	const FloatArrayF< 6 > &	deps,
		double	nu )

staticprotected

Definition at line 307 of file binghamfluid2.C.

Referenced by computeDeviatoricStress3D().

◆ computeDeviatoricStress3D()

FloatArrayF< 6 > oofem::BinghamFluidMaterial2::computeDeviatoricStress3D	(	const FloatArrayF< 6 > &	eps,
		GaussPoint *	gp,
		TimeStep *	tStep ) const

overridevirtual

Computes the deviatoric stress vector from given strain.

Parameters

answer	Deviatoric stress.
gp	Integration point.
eps	Strain-rate.
tStep	Time step.

Implements oofem::FluidDynamicMaterial.

Definition at line 155 of file binghamfluid2.C.

References computeActualViscosity(), computeDeviatoricStrain(), computeDeviatoricStress(), computeDevStrainMagnitude(), computeDevStressMagnitude(), oofem::Material::giveStatus(), oofem::FluidDynamicMaterialStatus::letDeviatoricStressVectorBe(), oofem::BinghamFluidMaterial2Status::letTempDeviatoricStrainVectorBe(), oofem::BinghamFluidMaterial2Status::letTempDevStrainMagnitudeBe(), oofem::BinghamFluidMaterial2Status::letTempDevStressMagnitudeBe(), mu_inf, tau_0, and tau_c.

◆ computeDevStrainMagnitude()

double oofem::BinghamFluidMaterial2::computeDevStrainMagnitude ( const FloatArrayF< 6 > & epsd )

staticprotected

Definition at line 275 of file binghamfluid2.C.

Referenced by computeDeviatoricStress3D().

◆ computeDevStressMagnitude()

double oofem::BinghamFluidMaterial2::computeDevStressMagnitude ( const FloatArrayF< 6 > & sigd )

staticprotected

Definition at line 283 of file binghamfluid2.C.

Referenced by computeDeviatoricStress3D().

◆ computeTangent3D()

FloatMatrixF< 6, 6 > oofem::BinghamFluidMaterial2::computeTangent3D	(	MatResponseMode	mode,
		GaussPoint *	gp,
		TimeStep *	tStep ) const

overridevirtual

Computes the deviatoric stiffness; \( \frac{\partial\sigma_{\mathrm{dev}}}{\partial \epsilon_{\mathrm{dev}}}\).

Parameters

answer	Stiffness matrix.
mode	Mode of result.
gp	Integration point.
tStep	Time step.

Implements oofem::FluidDynamicMaterial.

Definition at line 192 of file binghamfluid2.C.

References oofem::FloatMatrixF< N, M >::at(), BINGHAM_MIN_SHEAR_RATE, computeActualViscosity(), oofem::Material::giveStatus(), oofem::BinghamFluidMaterial2Status::giveTempDeviatoricStrainVector(), oofem::BinghamFluidMaterial2Status::giveTempDevStrainMagnitude(), mu_0, stressGrowthRate, and tau_0.

◆ CreateStatus()

std::unique_ptr< MaterialStatus > oofem::BinghamFluidMaterial2::CreateStatus ( GaussPoint * gp ) const

overridevirtual

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

Parameters

gp	Integration point where newly created status will be stored.

Returns: Reference to new status.

Reimplemented from oofem::Material.

Definition at line 148 of file binghamfluid2.C.

◆ give()

double oofem::BinghamFluidMaterial2::give	(	int	aProperty,
		GaussPoint *	gp ) const

overridevirtual

Returns the value of material property 'aProperty'. Property must be identified by unique int id. Integration point also passed to allow for materials with spatially varying properties

Parameters

aProperty	ID of property requested.
gp	Integration point,

Returns: Property value.

Reimplemented from oofem::Material.

Definition at line 135 of file binghamfluid2.C.

References mu_0, tau_0, Viscosity, and YieldStress.

◆ giveClassName()

const char * oofem::BinghamFluidMaterial2::giveClassName ( ) const

inlineoverridevirtual

Returns: Class name of the receiver.

Implements oofem::FEMComponent.

Definition at line 129 of file binghamfluid2.h.

◆ giveEffectiveViscosity()

double oofem::BinghamFluidMaterial2::giveEffectiveViscosity	(	GaussPoint *	gp,
		TimeStep *	tStep ) const

overridevirtual

Gives the effective viscosity for the given integration point.

Parameters

gp	Gauss point of interest.
tStep	Time step.

Returns: The effective viscosity in the point.

Implements oofem::FluidDynamicMaterial.

Definition at line 90 of file binghamfluid2.C.

References oofem::FloatArray::at(), BINGHAM_MIN_SHEAR_RATE, computeActualViscosity(), oofem::Material::giveStatus(), oofem::BinghamFluidMaterial2Status::giveTempDeviatoricStrainVector(), oofem::BinghamFluidMaterial2Status::giveTempDevStrainMagnitude(), oofem::min(), mu_0, mu_inf, stressGrowthRate, tau_0, and tau_c.

◆ giveInputRecord()

void oofem::BinghamFluidMaterial2::giveInputRecord ( DynamicInputRecord & input )

overridevirtual

Setups the input record string of receiver.

Parameters

input Dynamic input record to be filled by receiver.

Reimplemented from oofem::FEMComponent.

Definition at line 80 of file binghamfluid2.C.

References _IFT_BinghamFluidMaterial2_mu0, _IFT_BinghamFluidMaterial2_muinf, _IFT_BinghamFluidMaterial2_stressGrowthRate, _IFT_BinghamFluidMaterial2_tau0, mu_0, mu_inf, oofem::DynamicInputRecord::setField(), stressGrowthRate, and tau_0.

◆ giveInputRecordName()

const char * oofem::BinghamFluidMaterial2::giveInputRecordName ( ) const

inlineoverridevirtual

Returns: Input record name of the receiver.

Implements oofem::FEMComponent.

Definition at line 130 of file binghamfluid2.h.

References _IFT_BinghamFluidMaterial2_Name.

◆ initializeFrom()

void oofem::BinghamFluidMaterial2::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

ir	Input record to initialize from.
priority	Priority of the input record. This is used to determine the order of initialization

Reimplemented from oofem::FEMComponent.

Definition at line 63 of file binghamfluid2.C.

References _IFT_BinghamFluidMaterial2_mu0, _IFT_BinghamFluidMaterial2_muinf, _IFT_BinghamFluidMaterial2_stressGrowthRate, _IFT_BinghamFluidMaterial2_tau0, BINGHAM_DEFAULT_STRESS_GROWTH_RATE, IR_GIVE_FIELD, IR_GIVE_OPTIONAL_FIELD, mu_0, mu_inf, stressGrowthRate, tau_0, and tau_c.

Member Data Documentation

◆ mu_0

double oofem::BinghamFluidMaterial2::mu_0 = 0.

protected

Viscosity.

Definition at line 105 of file binghamfluid2.h.

Referenced by checkConsistency(), computeActualViscosity(), computeTangent3D(), give(), giveEffectiveViscosity(), giveInputRecord(), and initializeFrom().

◆ mu_inf

double oofem::BinghamFluidMaterial2::mu_inf = 1.e6

protected

Definition at line 109 of file binghamfluid2.h.

Referenced by computeActualViscosity(), computeDeviatoricStress3D(), giveEffectiveViscosity(), giveInputRecord(), and initializeFrom().

◆ stressGrowthRate

double oofem::BinghamFluidMaterial2::stressGrowthRate = BINGHAM_DEFAULT_STRESS_GROWTH_RATE

protected

Stress growth rate - parameter controlling the shape of regularized model.

Definition at line 111 of file binghamfluid2.h.

Referenced by computeActualViscosity(), computeTangent3D(), giveEffectiveViscosity(), giveInputRecord(), and initializeFrom().

◆ tau_0

double oofem::BinghamFluidMaterial2::tau_0 = 0.

protected

Yield stress.

Definition at line 107 of file binghamfluid2.h.

Referenced by checkConsistency(), computeActualViscosity(), computeDeviatoricStress3D(), computeTangent3D(), give(), giveEffectiveViscosity(), giveInputRecord(), and initializeFrom().

◆ tau_c

double oofem::BinghamFluidMaterial2::tau_c = 0.

protected

Definition at line 108 of file binghamfluid2.h.

Referenced by computeActualViscosity(), computeDeviatoricStress3D(), giveEffectiveViscosity(), and initializeFrom().

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

Public Member Functions

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ BinghamFluidMaterial2()

Member Function Documentation

◆ checkConsistency()

◆ computeActualViscosity()

◆ computeDeviatoricStrain()

◆ computeDeviatoricStress()

◆ computeDeviatoricStress3D()

◆ computeDevStrainMagnitude()

◆ computeDevStressMagnitude()

◆ computeTangent3D()

◆ CreateStatus()

◆ give()

◆ giveClassName()

◆ giveEffectiveViscosity()

◆ giveInputRecord()

◆ giveInputRecordName()

◆ initializeFrom()

Member Data Documentation

◆ mu_0

◆ mu_inf

◆ stressGrowthRate

◆ tau_0

◆ tau_c