Truss Element (3D)

Stiffness matrix of truss element in 3D

This function finds the stiffness matrix of truss element in 3D.

function k=truss_stiffness(E,A,L,Cx,Cy,Cz)

Input:

E: Modulus of Elasticity

A: Section Area

L: Length

Cx, Cy, and Cz: Direction cosines of the truss with respect to x, y, and z axes

Output:

k: Stiffness Matrix