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PARNIKA SHRIVASTAVA

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About PARNIKA SHRIVASTAVA

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  1. I am simulating Single Point Incremental Forming process and need to calculate residual stresses in the sheet during and after forming. What is the procedure to obtain a plot of residual stress? I am currently working on V12.
  2. PARNIKA SHRIVASTAVA

    Issues with von Mises Stress and von Mises Strain and Plastic Strain Values

    I have shared the files. kindly check.
  3. PARNIKA SHRIVASTAVA

    Issues with von Mises Stress and von Mises Strain and Plastic Strain Values

    Dear Prakash How to include spring back in the forming operation which we are simulating. Regarding wrinkling: kindly, share the address where I can share the hyperworks model (.hm) file. Thanks
  4. PARNIKA SHRIVASTAVA

    Issues with von Mises Stress and von Mises Strain and Plastic Strain Values

    There is one more issue: When I am forming the cone, irrespective of the forming depth after Time Step =4.00, the tool movement causes wrinkling in the component wall. However, provided tool path is rechecked and is correct. Whereas, even before I have formed the cone geometry up to the height of 50 mm and no wrinkling occurred at that time. I have checked the provided time also, but it is also correctly provided. Attaching the screen shot of wrinkled component. Thanks and Reply ASAP.
  5. PARNIKA SHRIVASTAVA

    Issues with von Mises Stress and von Mises Strain and Plastic Strain Values

    I am using Hyperworks 12.0 version. I am attaching the screen shot of the full screen so that you can have more idea about the chosen options. Thanks
  6. I have simulated incremental sheet forming process in Hyperworks software and now I am analyzing the results. 1. The issue is that the undeformed portion of the sheet is also showing significant amount of von Mises stress and strain values. Which is absolutely impossible. How come the center undeformed portion of the component is experiencing effective stress and strain. However, there is no plastic strain in that area. Kindly, go through the attached images. 2. Secondly, Plastic strain distribution is correct but it does not sink with the von Mises strain results. What is the difference between the two. 3. Is the values of von Mises strain are in absolute terms or in percentage?
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