In February, KAR asked about contact in Response Dynamics.
Contact can only be used as stress stiffening for Response Dyamanics. That is becasue Response Dynamics is based on modes, and modes are linear by definition.
The stress stiffening using contact is available in NX and NX Nastran, but...
In April, David asked about mesh quality in Ideas.
I do not know any relationshiip between what Patran has and what Ideas has.
Ideas recommended 0.3 or above for stretch and distortion. These values were based on the normalization of the Jacobian. They were for the Model Solution elements...
