Coordination Systems¶

Local Coordination System¶

Local coordination system for TriangleElement has tree axis that we name x, y and z.

Relation of global and local system¶

local axis x is parallel with the point that connects node[0] to node[1] of element.

local axis z is normal to triangle’s surface.

local axis y is normal to both x and z.

../../../_images/tri-coord.png — local coordination system of TriangleElement¶

This formulation (and image above) taken from Development of Membrane, Plate and Flat Shell Elements in Java from author Kansara, Kaushalkumar available from https://vtechworks.lib.vt.edu/handle/10919/9936