Modeling the blast response of structures using dissimilar materials.

Abstract

Experiments have been conducted comparing the dynamic response of beam and cylinder prototype structures to the response of model structures which have been fabricated from an entirely different material than in the prototype structure. Tests were conducted in the dynamic, impulsive, and quasi-static loading realms for structures undergoing significant permanent deformation as well as some structures experiencing only elastic response. Results indicate that dissimilar material modeling techniques can be of great value in studying elastic and plastic dynamic response in complex structures, because they offer considerable freedom of choice of model materials.