超高速撞击模拟计算实践

Hypervelocity Impact Simulation Practice

以具体的有试验结果和仿真结果的超高速算例为统一的标准算例.采用 LS—DYNA 软件的几种算法,进行了超高速计算实践,结果表明,SPH 方法是一种最为有效的方法,其次是拉格朗日自适应有限元算法,而纯粹的拉格朗日方法和欧拉方法在解决此问题时效果不好。

A uniform simulation case is chosed which has a experimental result in this paper.Four simulation methods in Ls-dyna are used to settle this case.The best one is sph method,second one is adaptive lagrange fern,the traditional methods,pure lagrange fern and eulor,don't work good.