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  1. UMEngineer

    Abaqus Training

    Best thing to do is to do the tutorial int he help file. It's a simple beam that'll let you know the basic process. The example problems in the help file are excellent for finding the capabilities of abaqus.
  2. UMEngineer

    Abaqus surface-based fluid cavity.

    That answers some questions I had, thanks. I had the mesh the way I did because meshing as you had it creates stress concentrations so I was hoping to avoid those. Normally I have the top and bottom partitioned in such a way that they are mesh with M3D3 and the mesh algorithm used around it is...
  3. UMEngineer

    Abaqus surface-based fluid cavity.

    Thank you akabarten, you have no idea how helpful that has been already. I have uploaded my input file. Explicit is running now, the big problem I've been having now is the reference mesh, I have to inflate it, then do contact analysis with high speed projectiles. Again, thank you so...
  4. UMEngineer

    Abaqus surface-based fluid cavity.

    Any help at all?
  5. UMEngineer

    Reaction forces in the middle of a plate

    When you defined your symmetry. How did you do that? Was it an Axissymmetric model, or did you model half and use a symmetric boundary condition. If you split it half way down the, say the XY plane, You would want U3=UR1=UR2=0 if I remember right. Which is ZSYMM in the list. That should...
  6. UMEngineer

    Time Period in abaqus/Explicit

    The Time period is how long the step occurs in simulation. Abaqus uses the time period value and the values under the incrementation tab, to determine how long an increment is. The long the time period, the more time an increment simulates. If you have a time period of 922s as you have, and...
  7. UMEngineer

    Abaqus surface-based fluid cavity.

    I've been tasked with creating a 3D model of a demo inflatable structure here in our lab. The goal is to inflate it in ABAQUS, and I have been making some progress in using the *FLUID CAVITY keyword. However I'm noticing odd things in my results. I have the pressure of the gas increase to...
  8. UMEngineer

    Pressure modeling with Shell41

    Any ideas at all?
  9. UMEngineer

    Pressure modeling with Shell41

    I have poked around the documentation for quite a while now, and have searched high and low for an answer, but I cannot seem to come up with the right one. I have been tasked with using ANSYS to model something very similar to a pumpkin balloon. I've decided to start small and model a small...

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