想问问这种警告该怎么弄？

triumph9431

想问下，自己编的Vumat，提示警告信息，第一步是纯弹性的才可以，想问下这该怎么解决？



There are 3 warning messages in the data (.dat) file.  Please check the data file for possible errors in the input file.

A material defined in user subroutine VUMAT must be defined as purely elastic (using the initial elastic modulus) at the beginning of the analysis (stepTime=0). This is an informative message. It does not necessarily indicate that user subroutine VUMAT is incorrectly defined.

A material defined in user subroutine VUMAT must be defined as purely elastic (using the initial elastic modulus) at the beginning of the analysis (stepTime=0). This is an informative message. It does not necessarily indicate that user subroutine VUMAT is incorrectly defined.