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Found 5 results

  1. Hi all, For a multi stage cylindrical deep drawing simulation I used a quarter of whole model to speed up the process. Attached is the final frame of 6th stage. In this photo I have used symmetry to show the complete model. As you see just on symmetry planes (xz and yz) there are some inconsistencies for thickness which are apparently different from other areas. As this is an axisymmetric model and I have chosen DDQ as material, is this computational error or what? In DDQ properties r0=r45=r90=1.5 so this can not be related to anisotropy and rolling direction. I have used HyperForm's Multistage and as I have modeled a quarter of whole system in positive X and Y, I defined Blank symmetry : -X -Y. It has fixed DOFs 156 for nodes on YZ plane and DOFs 246 for nodes on XZ plane which is correct. Look to hear your opinions. Thanks in advance.
  2. Dear All, I want to find tonnage required to form the product as follows. Is it possible in Hyper form or should i go for Radioss?
  3. Hi, I am doing a trimming operation on a part. After the forming operation, I used the .sta file and started to do the trimming process. I did much of the trimming but at the last step, I wanted to trim the part with the sloth shaped lines. Everytime I do the operation, Hyperform crashes with a segmentation error. I cleaned the temp file and restarted the computer but the problem didn't finished. Can anyone help we with this problem? You can see the sloth shaped trimming lines from photo below. Thank you in advance. Mert Cevdet Günay
  4. Hello, I am doing forming analysis of a sheet metal part. I modelled the process with Hyperform and solved it with Radioss. The simulation converged and gave me a result. The error percentage made me suspicious about the result. The error is 24.8%. Do you have any suggestions or any error range to make me rely on my results?
  5. Hi! I am using the RadiossBlock (Block140) in Hypermesh for a forming simulation and I want it to consider the force gavitational, can you please help me? I already read the tutorials in the page, but I think they are not based in the same Block that I am using, but in he Abaqus (Standad3D) block. Thank you very much in avance.
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