The divergent detonation was modeled in terms of the Lee-Tarver’s relation rate and JWL equation of state, and the influence of artificial viscosity and mesh size on the divergent detonation modeling was analyzed in this paper.
本文采用Lee-Tarver反应率和JWL状态方程,数值模拟了球面散心爆轰波,分析了网格尺寸和人为粘性对计算结果的影响。
参考来源 - 散心爆轰数值模拟中人为粘性和空间步长的匹配关系The behaviour of the numerical solution is analysed from the stability, artificial viscosity and positivity of the schemes.
由差分格式的稳定性、人为粘性和正性分析了数值解的性质。
参考来源 - 期刊学术社区·2,447,543篇论文数据，部分数据来源于NoteExpress
对SPH方法中的人为粘性和人为热流的作用作了数值考查。还提供了一个三维高速碰撞现象的算例。
As an example of the application, the results of numerical simulation of a 3 dimensional hypervelocity impact problem are given with some existing problems of SPH method.
分别应用平面近似法和积分方法推导出在散心爆轰的数值模拟中，人为粘性系数和空间步长之间的匹配关系。
The matching relation between the viscosity and the mesh size was obtained using planar approximate method and integral method in the numerical modeling of divergent detonation.
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