FEA Program Coordinate Systems

Last updated August 31, 2023
By Ian Story

Global Coordinate System

Variables:

x, y, z

Local Coordinate System

Variables:

n (local x direction)

s (local y direction)

t (local z direction)

Natural Coordinate System

Used for isoparametric components

(“xi”: natural x direction)

(“eta”: natural y direction)

(“zeta”: natural z direction)