Abstract: This paper describes a new general method for calculation of three dimensional grains-the volume element method.The mathematical treatment is very simple and convenient.This method can be applied to the calculation of different-shape three-dimensional grains quickly and accurately.

Key words: Charge;Computation;Computation method;Flow chart;Solid rocket engine

摘要： 本文提出一种新的三维装药通用计算方法——体积元素法.这种计算方法使计算过程的数学处理十分简单、方便.根据该方法编制的计算机程序可以对各种类型的三维装药进行快速、准确的计算.用该程序对一台具有复杂燃面变化规律的实际发动机进行了计算,获得了令人满意的结果.

关键词: 装药;计算;计算方法;程序框图;固体火箭发动机