April 2, 2024 at 1:54 pm
Govindan Nagappan
Ansys Employee

Looks like you are using an undocumented element. Do you know the order in which the nodes are written for solid65. Since you are changing the type from another solid element, see if this solid element also uses the same node sequence. Otherwise emodif will result in error.

For example: see solid 70. You can see the node sequence I, J,K,L...

Element is defined using this sequence

 

 

Or check the element definition in the input file and see if it is properly written in the input file. If there is mesh corruption, that could also cause this,Â