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  1. tvirkler1

    Srand7: Global Stiffness Matrix is Singular - Frame with Semi-rigid connections

    Thanks for that, all, there’s a few things for me to look into. To clarify, in the connection element properties which in this software is a type of beam element, I can provide nonlinear moment rotation data for each axis individually (for nla) as well as a rotational stiffness for each axis...
  2. tvirkler1

    Srand7: Global Stiffness Matrix is Singular - Frame with Semi-rigid connections

    Hello, I'm trying a simple frame model with semi-rigid connections as connection elements at the ends of the beam. I was hoping to use connection elements so I can provide nonlinear semi-rigid connection data. Can anyone help me find the issue with my model that prevents the analysis from...
  3. tvirkler1

    Time Increment Optimisation

    Hi all, Still getting the hang of some of the finer intricacies of ABAQUS. I wanted to get your advice on job optimisation techniques. Occasionally I run into my job aborting because it the time increment needs to be less than the minimum I had set. What are your techniques for: a) Choosing a...

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