Struct StrainTensor 

pub struct StrainTensor {
    pub matrix: Matrix3<f64>,
}

Infinitesimal strain tensor — symmetric 3×3 tensor for small deformations. ε_ij = 0.5 * (∂u_i/∂x_j + ∂u_j/∂x_i)

Fields

matrix: Matrix3<f64>

Implementations

impl StrainTensor

pub fn new(matrix: Matrix3<f64>) -> Self

Create from a 3×3 matrix (symmetrized).

pub fn from_components( exx: f64, eyy: f64, ezz: f64, exy: f64, exz: f64, eyz: f64, ) -> Self

Create from individual components.

pub fn from_engineering( exx: f64, eyy: f64, ezz: f64, gamma_xy: f64, gamma_xz: f64, gamma_yz: f64, ) -> Self

Create from engineering shear strains (γ_xy = 2ε_xy, etc.).

pub fn volumetric(&self) -> f64

Volumetric strain: ε_v = ε_xx + ε_yy + ε_zz

pub fn deviatoric(&self) -> StrainTensor

Deviatoric strain tensor.

pub fn principal_strains(&self) -> Vector3<f64>

Principal strains (eigenvalues), descending order.

pub fn max_shear_strain(&self) -> f64

Maximum engineering shear strain.

Trait Implementations

impl Clone for StrainTensor

fn clone(&self) -> StrainTensor

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for StrainTensor

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for StrainTensor

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for StrainTensor

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

where __S: Serializer,

Serialize this value into the given Serde serializer.