Prony情形运行报错

1、Plane183 Prony级数

（1）不输入弹性属性EX和PRXY

运算报错，

*** ERROR *** CP = 66.250 TIME= 13:11:30 Element 1 references undefined EX of material 1.

*** ERROR *** CP = 66.312 TIME= 13:11:35 The step data was checked and there were errors found. Please check output or errors file ( G:\\ANSYS work file\\test case\\case_z\\test.err ) for messages.

（2）输入弹性属性EX和PRXY

计算运行正常。

（3）不输入EX

报错：

*** ERROR *** CP = 81.641 TIME= 13:19:28 Element 1 references non-positive EX of material 1.

*** ERROR *** CP = 81.750 TIME= 13:19:31 The step data was checked and there were errors found. Please check output or errors file ( G:\\ANSYS work file\\test case\\case_z\\test.err ) for messages.