在ANSYS11.0版本中定义LS-DYNA的材料参数时出现如下错误:为什么!
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The option of DENS on the MP command is either not available for this version of ANSYS or the appropriate product was not selected for this session.
Contact your ANSYS support person for more information.
Contact your ANSYS support person for more information.

难道是我win7系统的原因,不过运行前已经系那是sucessful