Yeoh final

Compressible Yeoh hyperelastic law.

Defined in Rodin/Solid/Constitutive/Yeoh.h

class Yeoh final;

Parameterized by material constants and bulk modulus . The small-strain shear modulus is ; control the strain-stiffening.

Direct inheritance by class family

HyperElasticLaw

↓

Yeoh

Inherits from

Base class	Responsibility
`HyperElasticLaw<Yeoh>`public Full type HyperElasticLaw< Yeoh >	CRTP base class for hyperelastic constitutive laws.

Inherited interface

Declared in	Members
`HyperElasticLaw`	4 members `hasSameDirection()` protected `hasSameKinematics()` protected `operator=()` protected `require()` protected

Constructors, destructors, conversion operators

Yeoh(Real c1, Real c2, Real c3, Real bulkModulus): Constructs a Yeoh law.
Yeoh(const Yeoh& other) defaulted: Copy constructor.
Yeoh(Yeoh&& other) defaulted: Move constructor.

Public functions

auto getMaterialConstantC1() const -> Real: Gets .
auto getMaterialConstantC2() const -> Real: Gets .
auto getMaterialConstantC3() const -> Real: Gets .
auto getBulkModulus() const -> Real: Gets the bulk modulus .
auto setConstitutivePoint(const ConstitutivePoint& cp) -> Yeoh&: Binds owned evaluation data, reusing unchanged constitutive inputs.
auto getKinematicState() const -> const KinematicState&: Returns the owned kinematics of the prepared point.
auto getStrainEnergyDensity() const -> Real: Returns the strain-energy density at the prepared point.
void getFirstPiolaKirchhoffStress(Math::SpatialMatrix<Real>& P) const: Computes stress at the prepared point.
void getMaterialTangent(Math::SpatialMatrix<Real>& dP, const Math::SpatialMatrix<Real>& dF) const: Computes the tangent action at the prepared point.

Function documentation

Yeoh(Real c1, Real c2, Real c3, Real bulkModulus)

Constructs a Yeoh law.

Parameters
c1	First material constant (small-strain: )
c2	Second material constant (quadratic stiffening)
c3	Third material constant (cubic stiffening)
bulkModulus	Bulk modulus

Yeoh(const Yeoh& other) defaulted

Copy constructor.

Parameters
other	Object to copy from.

Yeoh(Yeoh&& other) defaulted

Move constructor.

Parameters
other	Object to move from.

Real getMaterialConstantC1() const

Gets .

Returns	.

Real getMaterialConstantC2() const

Gets .

Returns	.

Real getMaterialConstantC3() const

Gets .

Returns	.

Real getBulkModulus() const

Gets the bulk modulus .

Returns	The bulk modulus .

Yeoh& setConstitutivePoint(const ConstitutivePoint& cp)

Binds owned evaluation data, reusing unchanged constitutive inputs.

Parameters
cp	Constitutive point supplying kinematics and law-specific inputs.
Returns	This law after successful binding.

const KinematicState& getKinematicState() const

Returns the owned kinematics of the prepared point.

Returns	Prepared kinematic state.

Real getStrainEnergyDensity() const

Returns the strain-energy density at the prepared point.

Returns	Stored strain-energy density.

void getFirstPiolaKirchhoffStress(Math::SpatialMatrix<Real>& P) const

Computes stress at the prepared point.

Parameters
P	Output first Piola-Kirchhoff stress.

void getMaterialTangent(Math::SpatialMatrix<Real>& dP, const Math::SpatialMatrix<Real>& dF) const

Computes the tangent action at the prepared point.

Parameters
dP	Output stress increment.
dF	Deformation-gradient increment.