Struct PyHyperelasticMaterial 

pub struct PyHyperelasticMaterial {
    pub c1: f64,
    pub c2: f64,
    pub bulk_modulus: f64,
}

Hyperelastic material supporting NeoHookean and Mooney–Rivlin models.

Fields

c1: f64

First Mooney–Rivlin constant C₁ (also the NeoHookean shear parameter).

c2: f64

Second Mooney–Rivlin constant C₂.

bulk_modulus: f64

Bulk modulus κ (Pa).

Implementations

impl PyHyperelasticMaterial

pub fn new(c1: f64, c2: f64, bulk_modulus: f64) -> Self

Create a new hyperelastic material.

pub fn strain_energy_neo_hookean(&self, i1_bar: f64, j: f64) -> f64

NeoHookean strain energy density W = C₁(Ī₁ − 3) + κ/2 (J − 1)².

i1_bar is the first invariant of the isochoric right Cauchy–Green tensor; j is the volumetric Jacobian.

pub fn strain_energy_mooney_rivlin( &self, i1_bar: f64, i2_bar: f64, j: f64, ) -> f64

Mooney–Rivlin strain energy density W = C₁(Ī₁ − 3) + C₂(Ī₂ − 3) + κ/2 (J − 1)².

i1_bar and i2_bar are the first and second invariants of the isochoric right Cauchy–Green tensor; j is the volumetric Jacobian.

pub fn initial_shear_modulus(&self) -> f64

Initial (small-strain) shear modulus μ = 2(C₁ + C₂).

Trait Implementations

impl Clone for PyHyperelasticMaterial

fn clone(&self) -> PyHyperelasticMaterial

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PyHyperelasticMaterial

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

Formats the value using the given formatter.

impl Default for PyHyperelasticMaterial

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for PyHyperelasticMaterial

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for PyHyperelasticMaterial

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.