Struct BarElement1D 

pub struct BarElement1D {
    pub e: f64,
    pub a: f64,
    pub length: f64,
    pub nodes: [usize; 2],
}

A 1D two-node bar element with constant cross-section.

Fields

e: f64

Young’s modulus (Pa)

a: f64

Cross-sectional area (m²)

length: f64

Element length (m)

nodes: [usize; 2]

Global node indices [node_i, node_j]

Implementations

impl BarElement1D

pub fn new(e: f64, a: f64, length: f64, node_i: usize, node_j: usize) -> Self

Create a new 1D bar element.

pub fn stiffness(&self) -> f64

Element stiffness: k = EA/L

pub fn local_stiffness_matrix(&self) -> [[f64; 2]; 2]

Local 2×2 element stiffness matrix.

pub fn axial_stress(&self, u_i: f64, u_j: f64) -> f64

Axial stress in the element given nodal displacements.

pub fn axial_force(&self, u_i: f64, u_j: f64) -> f64

Axial force in the element.

pub fn strain_energy(&self, u_i: f64, u_j: f64) -> f64

Strain energy in the element.

Trait Implementations

impl Clone for BarElement1D

fn clone(&self) -> BarElement1D

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for BarElement1D

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for BarElement1D

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for BarElement1D

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.