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  1. chiefchester

    ductily - is this a word?

    Hi all, I have an easy question that I'm sure most of you have an opinion on. Is ductily a word? Can a beam fail ductily? Or does a beam fail in a ductile manner?
  2. chiefchester

    LS-DYNA MAT_108 Help

    Hi all, First off, I am new to LS-DYNA so any suggestions as to where to look for help are greatly appreciated. Here's my question. I want to use the material MAT_108 (*MAT_ORTHO_ELASTIC_PLASTIC) for a 2D shell model (a heavily loaded precast wall). I put in all the parameters but, I just...
  3. chiefchester

    time history - gravity load

    Hi all, I want to preload my structure with a gravity load before applying a lateral earthquake load. I'm using a ramp function and applying the dead static load case. When I look at the time history results, I do not see any effect of vertical load (but I do see horizontal if I put a lateral...

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