A quick estimate of explosion-induced stress field in various media

Summary

This is to provide to estimate stress field directly induced by an explosion in varieties of non-gaseous media. We utilize the point-source blast wave solution for this, in which the difference between the stress fields in different media is represented by two parameters; i.ie. the density and the index to the stress-strain relation of medium. This fact combined with an existing peak stress P and duration T data from, for example, free-air explosion is to provide the estimation of P,T values expected from a burst in a material of a certain density and index. The approach is extended also to cases of surface and near surface bursts with use of an appropriate energy-partitioning ratio.