oomph::MooneyRivlin Class Reference

MooneyRivlin strain-energy function. with constitutive parameters C1 and C2: More...

#include <constitutive_laws.h>

Inheritance diagram for oomph::MooneyRivlin:

Public Member Functions
	MooneyRivlin (double *c1_pt, double *c2_pt)
	Constructor takes the pointer to the value of the constants.
virtual	~MooneyRivlin ()
	Empty Virtual destructor.
double	W (const DenseMatrix< double > &gamma)
	Return the strain energy in terms of strain tensor.
double	W (const Vector< double > &I)
	Return the strain energy in terms of the strain invariants.
void	derivatives (Vector< double > &I, Vector< double > &dWdI)
	Return the derivatives of the strain energy function with respect to the strain invariants.
bool	requires_incompressibility_constraint ()
	Pure virtual function in which the user must declare if the constitutive equation requires an incompressible formulation in which the volume constraint is enforced explicitly. Used as a sanity check in PARANOID mode. True.
Public Member Functions inherited from oomph::StrainEnergyFunction
	StrainEnergyFunction ()
	Constructor takes no arguments.
virtual	~StrainEnergyFunction ()
	Empty virtual destructor.
virtual void	derivative (const DenseMatrix< double > &gamma, DenseMatrix< double > &dWdgamma)
	Return the derivatives of the strain energy function with respect to the components of the strain tensor (default is to use finite differences).

Private Attributes
double *	C1_pt
	Pointer to first Mooney Rivlin constant.
double *	C2_pt
	Pointer to second Mooney Rivlin constant.

Detailed Description

MooneyRivlin strain-energy function. with constitutive parameters C1 and C2:

where incompressibility ( ) is assumed.

Definition at line 144 of file constitutive_laws.h.

Constructor & Destructor Documentation

MooneyRivlin()

oomph::MooneyRivlin::MooneyRivlin ( double *  c1_pt, double *  c2_pt  )

inline

Constructor takes the pointer to the value of the constants.

Definition at line 148 of file constitutive_laws.h.

~MooneyRivlin()

virtual oomph::MooneyRivlin::~MooneyRivlin ( )

inlinevirtual

Empty Virtual destructor.

Definition at line 154 of file constitutive_laws.h.

Member Function Documentation

derivatives()

void oomph::MooneyRivlin::derivatives ( Vector< double > &  I, Vector< double > &  dWdI  )

inlinevirtual

Return the derivatives of the strain energy function with respect to the strain invariants.

Reimplemented from oomph::StrainEnergyFunction.

Definition at line 171 of file constitutive_laws.h.

requires_incompressibility_constraint()

bool oomph::MooneyRivlin::requires_incompressibility_constraint ( )

inlinevirtual

Pure virtual function in which the user must declare if the constitutive equation requires an incompressible formulation in which the volume constraint is enforced explicitly. Used as a sanity check in PARANOID mode. True.

Implements oomph::StrainEnergyFunction.

Definition at line 182 of file constitutive_laws.h.

W() [1/2]

double oomph::MooneyRivlin::W ( const DenseMatrix< double > &  gamma )

inlinevirtual

Return the strain energy in terms of strain tensor.

Reimplemented from oomph::StrainEnergyFunction.

Definition at line 157 of file constitutive_laws.h.

References oomph::StrainEnergyFunction::W().

W() [2/2]

double oomph::MooneyRivlin::W ( const Vector< double > &  I )

inlinevirtual

Return the strain energy in terms of the strain invariants.

Reimplemented from oomph::StrainEnergyFunction.

Definition at line 163 of file constitutive_laws.h.

References C1_pt, and C2_pt.

Member Data Documentation

C1_pt

double* oomph::MooneyRivlin::C1_pt

private

Pointer to first Mooney Rivlin constant.

Definition at line 190 of file constitutive_laws.h.

Referenced by W().

C2_pt

double* oomph::MooneyRivlin::C2_pt

private

Pointer to second Mooney Rivlin constant.

Definition at line 193 of file constitutive_laws.h.

Referenced by W().

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

• constitutive_laws.h