Composite material under Imposed velocity

Question

* I am solving the composite tube under imposed velocity. I am getting error as ' * ERROR IN MATERIAL/ELEMENT DEFINITION (LAW)INVALID MATERIAL LAW 23

FOR SHELL 1'.

*  Kindly provide some clarification
* The same error occured in Law 25

Altair Forum User · Answer

HI Sudarsan,

Please refer to LAW15 for CHANG failure criteria.

Altair Forum User · Answer

Thanks for the reply . I have rectified the error in Law 25. How to include the failure theory of Chang in Law 25 for solving.

Altair Forum User · Answer

Hi Sudarsan,

LAW 23 is compatible with solid elements. Please refer  help for more details on compatibility for LAW 23.

is it the same error with LAW 25?