Hi All,
I’m having a bit of a hard time with this. I seem to have a singularity, and I can’t get away from it. I’ve done a few simple models akin to what I’d expect here at work, and each seem to have convergence issues. I’ve tried various methods, but it’s always there. My Von Mises graph is always rising, although some to a lesser degree, always rising.
Today I’m attempting the ‘connecting rod’ model from the ‘Toogood’ book, Creo Simulate Tutorial. Of numerous analyses run, my singularities are always one of the two points highlighted. No matter how I try to isolate these corners/points, I can’t get convergence. I’ve tried multiple attempts at excluded edges & points and re-entrant corners. I’ve even been playing with mesh sizes.. Nothing seems to correct, or lessen the convergence rise. Mind you, I am getting better at knowing what to turn off, what to turn on, and what / how that affects the results.
I’m currently playing with the geometry, and adding rounds to the 90° edges. While that does improve things, I don’t’ feel it’s quite the right thing to do.
I am at a bit of a loss to explain, or rationalize what I’m getting..