rill_core_model/plate/
params.rs

1use rill_core::Transcendental;
2
3/// Parameters for a 2D plate/membrane model.
4#[derive(Debug, Clone)]
5pub struct PlateParams<T: Transcendental> {
6    /// Grid width (4–64, power of two recommended).
7    pub grid_width: usize,
8    /// Grid height (4–64, power of two recommended).
9    pub grid_height: usize,
10    /// Wave speed coefficient (0.0–0.5, stability requires ≤ 0.25 for 2D).
11    pub wave_speed: T,
12    /// Decay per sample (0.0–1.0, 0.999 typical).
13    pub decay: T,
14    /// Boundary condition: 0.0 = clamped, 1.0 = free edge.
15    pub boundary: T,
16    /// Excitation position as fraction of width (0.0–1.0).
17    pub excitation_x: T,
18    /// Excitation position as fraction of height (0.0–1.0).
19    pub excitation_y: T,
20}
21
22impl<T: Transcendental> Default for PlateParams<T> {
23    fn default() -> Self {
24        Self {
25            grid_width: 16,
26            grid_height: 16,
27            wave_speed: T::from_f64(0.25),
28            decay: T::from_f64(0.999),
29            boundary: T::from_f64(0.5),
30            excitation_x: T::from_f64(0.5),
31            excitation_y: T::from_f64(0.5),
32        }
33    }
34}
rill_core_model/plate/params.rs

rill_core_model/plate/
params.rs
