This article describe the numerical simulation for shock compression which is produced by layered flyers impacting target, in which the isentropic curve is calculated by recurrence method.
就阻抗递变的多层组合飞片对靶样品的冲击压缩过程进行了一维平面应变数值模拟计算，其中，等熵线采用逐步递推法计算。
Therefore, the method to obtain quasi-isentropic compression by layered flyers impacting target and the method of numerical simulation for quasi-isentropic compression are reliable.
因此，用适当匹配的多层组合飞片对靶样品产生准等熵压缩是可行的，提出的准等熵压缩的数值模拟方法是可靠的。
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