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  • Users: vepawz
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  1. vepawz

    Modifying existing contact behavior to include cohesive behavior

    Hello all, I'm trying to model a welding problem between Cu-Al-Cu stack-up. Al melts before Cu and when that happens, I want to introduce cohesive contact behavior into the model. The model uses friction-less hard contact behavior until then. I import material state without updating the...
  2. vepawz

    Prevent penetration

    I have a 3 layer stack-up which are all in contact at the beginning of the simulation. At the end of the simulation, they separate due to applied pressure. Now, if I were to restart this simulation with the same applied pressure, some parts of the stack-up are no longer in contact. How do I make...
  3. vepawz

    Import voltages

    I'm trying to transfer voltages between two coupled thermal-electric analyses. Any suggestions? I tried going the pre-defined field route but I can only import 'epot' as a field variable to modify material properties using USDFLD. So, not helpful. I also can't use DISP to import voltages since...
  4. vepawz

    Incorrect joule heat dissipation in transient thermal-electric analysis

    I'm trying to model a Resistance Spot Welding process using an implicit and transient thermal-electric problem on ABAQUS and came across this problem. Here's a simple test case in which i replicated the problem. Consider the following axisymmetric analysis (no heat flows in or out of the...

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