You can change the mesh easily in WB LS-DYNA. You could probably have all your keywords in WB LS-DYNA using command snippets and/or input file include and/or the Keyword Manager:
If you cannot do all you need inside WB, you can remesh in WB and use that mesh to modify your .k file (copy/paste *NODE and *ELEMENT using a text editor).
Reno.
You are navigating away from the AIS Discovery experience