<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Hristo Hristov</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Modeling in Shaped Charge Design</style></title><secondary-title><style face="normal" font="default" size="100%">Information &amp; Security: An International Journal</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">design</style></keyword><keyword><style  face="normal" font="default" size="100%">jet length maximization</style></keyword><keyword><style  face="normal" font="default" size="100%">shaped charge</style></keyword><keyword><style  face="normal" font="default" size="100%">variational problem</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2003</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2003</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">12</style></volume><pages><style face="normal" font="default" size="100%">225-231</style></pages><isbn><style face="normal" font="default" size="100%">1311-1493</style></isbn><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">The possibility of using variational calculus is substantiated by optimization of shaped charges for high-velocities forming of compact, discrete or dispersed jets. Each characteristic function of the shaped charge geometry can be considered a variational parameter in the Orlenko hydrodynamic model. Respectively, the author formulates the problem for determination of an unconditional extremum, as well as a subproblem for determination of a conditional extremum when an integrated condition is added</style></abstract><issue><style face="normal" font="default" size="100%">2</style></issue></record></records></xml>