nastran .nas file format

[piedycat]

I'm looking for documentation on the .nas file format so I can write a simple translator to get 2 different FEA packages to share mesh files.
I am having zero success with a google search so any help with links to web pages ftp sits etc would be most helpful.
TIA
Mark

 

[trainguy]

Why don't you use Femap's translator?

It speaks to many codes.

tg

 

[brad]

The best recommendation is to either purchase the Nastran Quick Reference Guide, or else use a pre-processor to reverse-engineer the format. This is not as simple of a task as it would seem--different codes have fundamentally different element formulations, and mapping them in a general sense is nontrivial.
Brad