Struct PoroElastic 

pub struct PoroElastic {
    pub youngs_modulus: f64,
    pub poisson_ratio: f64,
    pub biot_coefficient: f64,
    pub permeability: f64,
    pub fluid_viscosity: f64,
    pub biot_modulus: f64,
}

Poroelastic material: Biot consolidation theory.

Couples effective stress with pore pressure: σ_eff = σ_total - b * p * I.

Fields

youngs_modulus: f64

Drained Young’s modulus E (Pa).

poisson_ratio: f64

Poisson’s ratio ν (drained).

biot_coefficient: f64

Biot coefficient b (0 to 1).

permeability: f64

Permeability k (m²).

fluid_viscosity: f64

Fluid viscosity μ (Pa·s).

biot_modulus: f64

Biot modulus M (Pa).

Implementations

impl PoroElastic

pub fn saturated_clay() -> Self

Creates a saturated clay model.

pub fn sandstone() -> Self

Creates a sandstone model.

pub fn consolidation_coefficient(&self) -> f64

Consolidation coefficient cv = k * M / μ (m²/s).

pub fn effective_stress(&self, total_stress: f64, pore_pressure: f64) -> f64

Effective stress: σ_eff = σ_total - b * p.

pub fn darcy_velocity(&self, pressure_gradient: f64) -> f64

Darcy velocity: q = -(k/μ) * ∇p.

pub fn skempton_coefficient(&self) -> f64

Skempton coefficient B = b / (b + φ * M * (1/Kf - 1/Ks)).

Approximate: B ≈ bM / (K_drained + b²M).

Trait Implementations

impl Clone for PoroElastic

fn clone(&self) -> PoroElastic

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PoroElastic

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

Formats the value using the given formatter.