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CrashAbsorber

oxiphysics_materials::aerospace::types

Struct CrashAbsorber 

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pub struct CrashAbsorber {
    pub designation: String,
    pub crush_stress: f64,
    pub trigger_factor: f64,
    pub area: f64,
    pub length: f64,
    pub densification_strain: f64,
    pub density: f64,
}
Expand description

Energy-absorbing crash structure model (foam/tube progressive crushing).

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§designation: String

Designation.

§crush_stress: f64

Crush stress σ_c (MPa).

§trigger_factor: f64

Trigger mechanism reduction factor (0.6–0.9).

§area: f64

Cross-sectional area A (mm²).

§length: f64

Total crushable length L (mm).

§densification_strain: f64

Densification strain ε_d (typically 0.6–0.8).

§density: f64

Density of absorber material (kg/m³).

Implementations§

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impl CrashAbsorber

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pub fn aluminum_foam(crush_stress: f64, area: f64, length: f64) -> Self

Create an aluminum foam crash absorber.

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pub fn peak_force(&self) -> f64

Initial peak force with trigger mechanism (N).

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pub fn mean_crush_force(&self) -> f64

Mean crush force (N).

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pub fn total_energy_absorbed(&self) -> f64

Total energy absorbed (J) before densification.

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pub fn specific_energy_absorption(&self) -> f64

Specific energy absorption SEA (J/kg).

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pub fn stroke_for_energy(&self, e: f64) -> f64

Crush stroke to absorb energy e (J).

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