Engineering topics
Publications and source records attributed to Macdonald, D..
Integrated testing system subjects ground-support equipment for Space Shuttle to conditions that prevail during launch. Concept also applies to testing other equipment that must function faultlessly in difficult environment.
A comprehensive experimental and analytical evaluation of the tensor polynomial failure criterion was undertaken to determine its capability for predicting the ultimate strength of laminated composite structures subject to a plane stress state. Results are presented demonstrating that a quadratic formulation is too conservative and a cubic representation is required. Strength comparisons with test data derived from glass/epoxy and graphite/epoxy tubular specimens are also provided to validate the cubic strength criterion.