Casbar User's Guide - Version 2
DEFENCE SCIENCE AND TECHNOLOGY ORGANISATION EDINBURGH (AUSTRALIA) WEAPONS SYSTEMS DIV
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The Collaborative Australian Ballistics Research code, Casbar , is a simulation tool for the analysis of the interior ballistics of guns. The code solves a two-phase, axisymmetric form of the governing equations for the ow of gas and particulates in the gun, and accommodates multiple projectiles within the simulation. Casbar is also suitable for investigating intermediate ballistics, and can alternatively be used as a general compressible ow solver. Casbar supports user-customized types of deterred or undeterred propellant grain, exible de nition of initial conditions and ignition sources, and various constitutive submodels for simulating interphase drag and heat transfer, intergranular stress and propellant ignition. This document, the Casbar Users Guide - Version 2, explains the use of the code and available options, and provides a worked example with corresponding input les. It is an update to the previous document Casbar Users Guide, DSTO GD 0594, re ecting recent updates performed to the numerical code.