Crack Patran — Nastran

Nastran performs the heavy lifting by calculating the — KIcap K sub cap I KIIcap K sub cap I cap I end-sub KIIIcap K sub cap I cap I cap I end-sub

The process of simulating crack propagation or fatigue life generally follows these three stages: 1. Pre-Processing in MSC Patran Crack Patran Nastran

: Seeing the predicted direction of a crack as it moves through the mesh. Key Tools for Enhanced Analysis Nastran performs the heavy lifting by calculating the

: Creating the "flaw" or crack tip within the mesh. Crack Patran Nastran