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TensileStructure

oxiphysics_geometry::architectural_geometry

Struct TensileStructure 

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pub struct TensileStructure {
    pub nodes: Vec<V3>,
    pub cables: Vec<(usize, usize)>,
    pub prestress: Vec<f64>,
    pub anchors: Vec<usize>,
    pub trib_areas: Vec<f64>,
}
Expand description

A cable-net / tensile membrane structure.

Models a prestressed network of cables anchored at boundary nodes. The minimal-surface equilibrium shape is found via dynamic relaxation, analogous to a soap film.

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§nodes: Vec<V3>

Node positions (current configuration).

§cables: Vec<(usize, usize)>

Cable elements: (node_a, node_b).

§prestress: Vec<f64>

Prestress force in each cable (N).

§anchors: Vec<usize>

Fixed (anchor) node indices.

§trib_areas: Vec<f64>

Tributary area at each free node (m²) — for uniform pressure loads.

Implementations§

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impl TensileStructure

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pub fn flat_net(nx: usize, ny: usize, width: f64, height: f64, p0: f64) -> Self

Create a flat rectangular cable net ready for form-finding.

nx × ny nodes span width × height metres. All edges are prestressed to p0 N. Boundary nodes are fixed.

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pub fn form_find( &mut self, pressure: f64, max_iter: usize, dt: f64, damping: f64, tol: f64, ) -> f64

Apply a uniform normal pressure q (Pa) and run dynamic relaxation.

Returns the maximum out-of-plane displacement (m) achieved.

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pub fn prestress_energy(&self) -> f64

Total prestress energy (J) in the current configuration.

Computed as Σ T · (L − L0)² / (2 L0) for axial members with stiffness equal to prestress / rest-length.

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pub fn mean_cable_tension(&self) -> f64

Mean cable tension (N).

Trait Implementations§

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impl Clone for TensileStructure

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fn clone(&self) -> TensileStructure

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for TensileStructure

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

Formats the value using the given formatter. Read more

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