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  1. BrianInglis

    Error msg file post buckle analysis

    Dear All, I used buckle analysis to find the failure modes of a portal frame and then used the imperfection function to find the post buckle mechanism. However I'm am getting the following error message in the msg file ***NOTE: THE SOLUTION APPEARS TO BE DIVERGING. CONVERGENCE IS JUDGED...
  2. BrianInglis

    Eigenvalue critical load

    I do apologise in advance if this is a stupid question. I have designed a portal frame then used the analysis Buckle and the eigensolver Lanczos. This has worked fine and i now have over a hundred eigenvalue results. I've looked at the manual and this states that the critical load = the...

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