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  1. Hossein Mohammadi H

    Error "Global mass matrix is singular" when choosing Transient fidelity

    I am trying to do a 2D dynamic implicit simulation and I have defined density for all parts in my model, except one part which is discrete rigid and I defined a reference point on it and I gave it an inertia. My model works when I use Moderate dissipation or Quasi-static options in step, while...
  2. Hossein Mohammadi H

    cohesive elements distortion

    I am simulating the separation of two different parts which are connected with a thin layer of cohesive elements in a 2D explicit problem. The simulation is conducted successfully without error. But the final results shown in the visualization module seems very weird (see the attached...
  3. Hossein Mohammadi H

    Problem with mesh convergence analysis. Why I get "Too many attempts made for this increment&qu

    I am simulating the separation of two surfaces connected with cohesive surface interaction in a 2D static problem in ABAQUS. Although using a coarse mesh everything seems ok, when I use a finer mesh to check mesh convergence I get this error: "Too many attempts made for this increment". As I am...

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