激波压缩的等熵采样和释放波
Constant entropy sampling and release waves of shock compressions
摘要：
我们提出了几种平衡方法，允许计算等熵过程中，无论是在压缩或释放的材料。应用这些方法计算了高温高压下受冲击单原子液体的等熵释放。此外，等熵释放的平衡结果进行了比较，同一过程的直接非平衡模拟。我们表明，由于液体的粘度，但也非平衡效应，系统的释放不是严格的等熵。
英文摘要：
We present several equilibrium methods that allow to compute isentropic processes, either during the compression or the release of the material. These methods are applied to compute the isentropic release of a shocked monoatomic liquid at high pressure and temperature. Moreover, equilibrium results of isentropic release are compared to the direct nonequilibrium simulation of the same process. We show that due to the viscosity of the liquid but also to nonequilibrium effects, the release of the system is not strictly isentropic.
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