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  1. Biglaugh

    Apply pressure to a moving contact surface

    Hi, I am trying to run a simulation of applying an extra pressure to a contact area while the contact area is constantly changing with time.The problem is shown in the pic of the attachment. I wonder if this is possible, if so? How can I do this. Thanks a lot.
  2. Biglaugh

    Analysis of a Cylindrical Tube with Explicit

    Thank you all very much for the helpful replying! I double checked my result, and I believe that what I have is a severe hourglassing problem. I didn't realize it since I didn't check results during the simulation where hourglass began to form. However, even after I switched my element from...
  3. Biglaugh

    Analysis of a Cylindrical Tube with Explicit

    iamlinkedin, apparently you are using Standard instead of Explicit for your analysis, so I don't think my BCs will be of help to your problem. Actually, I also tried to solve this problem with Standard before, and it ran OK for pure elastic material, but encountered the same problem as you when...
  4. Biglaugh

    Analysis of a Cylindrical Tube with Explicit

    @rstupplebeen: Actually, Hyperelastic material is the material I would like to try after I have the pure elasticity work. Now I am a little confused now. If the accuracy of the material definition is a problem, I would think it may only bring inaccuracy to the result, but it should at least...
  5. Biglaugh

    Analysis of a Cylindrical Tube with Explicit

    Are you suggesting this might be caused by hourglassing? I thought as long as I have 4 or more elements along thickness direction, hourglassing won't be a problem. Am I right about this? Thanks,
  6. Biglaugh

    Analysis of a Cylindrical Tube with Explicit

    Hi All, Recently I just started to work on a really simple analysis regarding a cylindrical tube with Explicit. What I have is a Tube with the inner diameter of 14mm (as shown in Fig. 1), http://files.engineering.com/getfile.aspx?folder=81f9504a-c04e-44fa-92bd-84c81b0cc98e&file=Help1.png and...

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