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Plane stress and plane strain analysis is a simplification of the three-dimensional problems to save modeling and computational effort.

Plane Stress: for thin components, the load is in the X-Y plane, the thickness (z-direction) is so small that it is assumed that σz ≈ 0. Typical applications: thin sheets, films, aircraft skins, car body parts

Plane Strain: for very thick or long components in one direction, and deformation in that direction is blocked.This means that the expansion εz in the z direction is ≈ 0 (no expansion perpendicular to the plane). Typical applications: dams, tunnel cross-sections, long walls in foundation engineering, rolling processes


Table of Contents:
00:15 Plane stress and plane strain analyse
00:46 Typical applications
01:33 Elements and some points to consider
02:26 PrePoMax model of plastic snap fit
06:25 Simulation and results


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