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FatigueSpectrum

oxiphysics_materials::aerospace::types

Struct FatigueSpectrum 

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pub struct FatigueSpectrum {
    pub dsg_hours: f64,
    pub flights_per_hour: f64,
    pub exceedance_data: Vec<(f64, f64)>,
    pub gust_sigma: f64,
}
Expand description

Aircraft fatigue load spectrum (ground-air-ground cycle model).

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§dsg_hours: f64

Number of design service goals (flight hours).

§flights_per_hour: f64

Flights per hour (typical utilization).

§exceedance_data: Vec<(f64, f64)>

Maneuver load factor exceedance table: (g_level, exceedances_per_1000_hrs).

§gust_sigma: f64

Gust spectrum intensity σ_g (g).

Implementations§

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impl FatigueSpectrum

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pub fn medium_transport() -> Self

Create a standard medium transport aircraft spectrum.

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pub fn total_flights(&self) -> f64

Total number of flights over DSG.

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pub fn exceedances_at(&self, g_level: f64) -> f64

Exceedances at given g-level over DSG (interpolated from table).

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pub fn miners_rule_damage(&self, s_n_pairs: &[(f64, f64)]) -> f64

Miner’s rule cumulative damage from multiple load levels. s_n_pairs is &[(stress_range, allowed_cycles_at_stress)].

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