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  1. Seabass8

    Contact Analysis with Patran

    Hi all, I´m trying to solve a contact problem with Patran. It is a cylindrical piece that when it goes down it bends a deformable sheet into a die. I´m stuck because there must be an error in the model and Nastran doesn´t attach the xdb file. I attach here some files in case some could help...
  2. Seabass8

    Boundary Conditions for a sphere

    Hello again, Thanks for your comments. It really helps me. Here I have got a more accurate model. I´ve solved the problem of the free nodes and the brace that was not well pinned. The deformations look realistic. But looking at the .f06 some elements have a taper ratio greater than 0.5. In my...
  3. Seabass8

    Boundary Conditions for a sphere

    Hello Blas, I´ve uploaded the .bdf Thanks againhttp://files.engineering.com/getfile.aspx?folder=36fdee5b-3658-429d-9085-0f75230fbf85&file=Self_Weight.bdf
  4. Seabass8

    Boundary Conditions for a sphere

    Hello Blas, I have seen that I´ve uploaded .f04 and f06. Many thankshttp://files.engineering.com/getfile.aspx?folder=2dd2a4c5-8be7-4028-9e3e-396d30d37a41&file=Nastran.zip
  5. Seabass8

    Boundary Conditions for a sphere

    Hello Blas, Many thanks for your reply. I didn´t know the the card "PARAM,BAILOUT,-1", I have seen your blog and it is quite well explained. I set it in NASTRAN bulk data section and re-run the analysis. Now Patran attaches de db file and I get a solution. I have seen that node 1166 has a...
  6. Seabass8

    Boundary Conditions for a sphere

    Hi colleages, I have a question of a beginner. I think anyone could answer me. It is a model in Patran I have a modelled the typical spherical tank of gas. It is a sphere surrounded by a circular beam along its perimeter. Also the sphere is separated from the ground by eight vertical beams...

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