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  1. Gwenda

    nonlinear analysis. unconverged

    Hello everyone again!!! I Have not been able to resolve the nonlinear problem. Can someone tell me any elements types, which I can use in this type of problems? Because, I tried with shell 181 and Plane 42 the problem is nonlinear, with plasticity. I´m trying to analize a sheet ( 1x1x0.1m)...
  2. Gwenda

    nonlinear analysis. Large Deflection in a aluminium sheet

    hello, again!!! well, i tried to do the substeps, first with 3MPa of pressure, divided into 10 step, and after, 2Mpa, into 15 step...and nothing. The ANSYS says: LSSOLVE looping is stopped because solution is unconverged and NCNV,1,set. Also, says that some elements have a Excessive...
  3. Gwenda

    nonlinear analysis. Large Deflection in a aluminium sheet

    Hello everyone: I have a problem with a nonlinear analisis. I have a aluminium sheet, with a small thick, that is someted a pressure at the top. Also I have the curve stress vs strain. I want to obtain the stresses and deformations of the sheet, but, when I do the Solve, the program doesn´t...

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