Struct Additive 

pub struct Additive<C1, C2>(/* private fields */);

A hybrid constitutive model based on the additive decomposition.

Trait Implementations

impl<C1: Clone, C2: Clone> Clone for Additive<C1, C2>

fn clone(&self) -> Additive<C1, C2>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<C1, C2> Debug for Additive<C1, C2>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<C1, C2> Elastic for Additive<C1, C2>

where C1: Elastic, C2: Elastic,

fn cauchy_stress( &self, deformation_gradient: &DeformationGradient, ) -> Result<CauchyStress, ConstitutiveError>

Calculates and returns the Cauchy stress.

\boldsymbol{\sigma}(\mathbf{F}) = \boldsymbol{\sigma}_1(\mathbf{F}) + \boldsymbol{\sigma}_2(\mathbf{F})

fn cauchy_tangent_stiffness( &self, deformation_gradient: &DeformationGradient, ) -> Result<CauchyTangentStiffness, ConstitutiveError>

Calculates and returns the tangent stiffness associated with the Cauchy stress.

\mathcal{T}(\mathbf{F}) = \mathcal{T}_1(\mathbf{F}) + \mathcal{T}_2(\mathbf{F})

fn first_piola_kirchhoff_stress( &self, deformation_gradient: &DeformationGradient, ) -> Result<FirstPiolaKirchhoffStress, ConstitutiveError>

Calculates and returns the first Piola-Kirchhoff stress.

\mathbf{P}(\mathbf{F}) = \mathbf{P}_1(\mathbf{F}) + \mathbf{P}_2(\mathbf{F})

fn first_piola_kirchhoff_tangent_stiffness( &self, deformation_gradient: &DeformationGradient, ) -> Result<FirstPiolaKirchhoffTangentStiffness, ConstitutiveError>

Calculates and returns the tangent stiffness associated with the first Piola-Kirchhoff stress.

\mathcal{C}(\mathbf{F}) = \mathcal{C}_1(\mathbf{F}) + \mathcal{C}_2(\mathbf{F})

fn second_piola_kirchhoff_stress( &self, deformation_gradient: &DeformationGradient, ) -> Result<SecondPiolaKirchhoffStress, ConstitutiveError>

Calculates and returns the second Piola-Kirchhoff stress.

\mathbf{S}(\mathbf{F}) = \mathbf{S}_1(\mathbf{F}) + \mathbf{S}_2(\mathbf{F})

fn second_piola_kirchhoff_tangent_stiffness( &self, deformation_gradient: &DeformationGradient, ) -> Result<SecondPiolaKirchhoffTangentStiffness, ConstitutiveError>

Calculates and returns the tangent stiffness associated with the second Piola-Kirchhoff stress.

\mathcal{G}(\mathbf{F}) = \mathcal{G}_1(\mathbf{F}) + \mathcal{G}_2(\mathbf{F})

impl<C1, C2> From<(C1, C2)> for Additive<C1, C2>

fn from((constitutive_model_1, constitutive_model_2): (C1, C2)) -> Self

Converts to this type from the input type.

impl<C1, C2> Hyperelastic for Additive<C1, C2>

where C1: Hyperelastic, C2: Hyperelastic,

fn helmholtz_free_energy_density( &self, deformation_gradient: &DeformationGradient, ) -> Result<Scalar, ConstitutiveError>

Calculates and returns the Helmholtz free energy density.

a(\mathbf{F}) = a_1(\mathbf{F}) + a_2(\mathbf{F})

impl<C1, C2> Solid for Additive<C1, C2>

where C1: Elastic, C2: Elastic,

fn bulk_modulus(&self) -> Scalar

Returns the bulk modulus.

fn shear_modulus(&self) -> Scalar

Returns the shear modulus.