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  1. aigbeawen

    Modelling moving mass

    Hi twillis, Thanks for your response, however I have not created nor used a User subroutine before, Can you kindly give me a lead on this, or if you have an helpful file. Rds.
  2. aigbeawen

    Modelling moving mass

    Hi everyone I am performing a slug analysis and i am trying to simulate the slug as a moving mass along length of pipeline in a dynamic analysis, is it possible to use ITT elements with a slide line to model this or does anyone have a better suggestion. The slug is to move along a 3D bend...
  3. aigbeawen

    90deg Bend with shell element

    Hi, everyone, I modelled a 90 deg bend using shell elements, sc8r but the analysis wont converge even at the initial,Please can any one tell me what is wrong. see the model below: *HEADING shell test *PREPRINT,ECHO=YES,MODEL=NO,HISTORY=NO *SYSTEM 0.,1.778,0.,0.,1.778,1. 0.,2.778,0. *NODE...

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