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  1. Wall2

    Nastran: Core problem?

    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...
  2. Wall2

    Solution Monitor Issue

    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.
  3. Wall2

    Nastran: Core problem?

    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...
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