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Recent content by ultu

  1. ultu

    Static or Dynamic Reduction (Nastran), weird question?

    Hello everyone, I am absolut newbie nastran and reduction methods. I am reading the nastran superelements user's guide. It describes a reduction like this: You have a model. You split it in two parts. You reduce one part. and insert it into the not reduced part and calculate. My Question...
  2. ultu

    Reduction with Nastran Modalanalysis

    Hello Nastran friends, i want to do a modal analysis with a simple static reduction (guyan). Here is an example: Link In this example they say, if ASET1 command is added to the bdf file, Nastran would perform a static reduction. I've done a simple file with ASET1. Link The results in the...
  3. ultu

    buckle contact alternative

    thank you rtalageri
  4. ultu

    buckle contact alternative

    here is a picture of my problem https://www.dropbox.com/s/i8cyejijdflyu26/Erste%20kritsiche%20Last.pdf
  5. ultu

    buckle contact alternative

    Hi all i am absolut newbie in abaqus. I need 5 ciritical Loads of a structure similar to a beam. Therefore i performed buckle analysis. The first critical load is correct. However the remaining ones are incorrect, due to a contact problem. The problem is, that the first part penetrates the...
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