Thanks for your replies and you might be right that the model was too big for my system, however, the Nastran calculation actually never stopped and a week later I had my results.
The calculation took 203 hours and maximum scratch space in use was 600 Gb.
The biggest lesson I have from this...
It seems like you are not allocating enough memory...
Are you using memory=estimate or fixed memory allocation, memory=1Gb?
Just try to use the maximum possible for your machine, for MSC.Nastran 2007 on Windows XP I use memory=7.9Gb but if this is the same for NX.Nastran I don't know.
Hi,
I'm doing a SOL 103 analysis of a somewhat large model, > 2 million nodes.
Everything went fine until this night when this was written to the .f04-file:
0:39:22 1873:43 2725.5G 1.0 66161.0 0.5 SEMR2B 43 MPYAD BEGN...