斜波压缩实验数据的正向Lagrange处理方法研究

摘要

In the present work,we developed a novel method combining the forward Lagrange method and the transfer function method to process the data of ramp wave compression experiments.Compared with traditional methods,this method is more suitable to process the data containing materials' complex behaviors and produces more accurate results.Meanwhile,this method has lower precision requirement regarding the initial gauss of testing material parameters.The feasibility and robustness of the transfer function method was analyzed,and the application of the forward Lagrange method and the transfer function method were examined in forward data processing of strength measurement experiments under ramp wave compression.%提出了一种联合使用Lagrange方法和转换函数方法来处理斜波压缩实验数据的新途径,和传统的数据处理方法相比,该方法更适合处理材料的复杂力学响应并具有较好的精度,同时该方法使用过程中对样品材料参数的初猜值精度要求更低.分析了转换函数方法的可靠性和健壮性,讨论了转换函数和Lagrange方法联合在斜波压缩强度实验数据处理中的应用,获得了可靠的结果.