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  • Users: NastranQ
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  1. NastranQ

    Random Analysis in Nastran

    Hi All, I am running a random vibration analysis on some structure and I am interested in the RMS stress. I am able to obtain it in the .op2 file by using STRESS(PLOT,CRMS,NORPRINT)=ALL, but the problem is that it also stores the stress results for the preceding frequency response analysis for...
  2. NastranQ

    RMS displacement in Nastran

    Hello All, I am trying to plot the RMS displacement for a structure I am working on. I am using the below output request to get it out of Nastran. DISPLACEMENT(PLOT,RALL,NORPRINT)=1 Next I am importing the .op2 file in Altair's HyperView and I want to plot the RMS displacement, but it is not...
  3. NastranQ

    Random response analysis - Nastran

    Hello, This may be a basic question, but I found no obvious answer on the web or the Nastran Dynamic analysis User's guide. As stated in the Nastran Dynamic analysis user's guide the Random analysis is treated as a data reduction procedure that is applied to the results of a frequency response...

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