Dynamic mesh "connectivity Error"??
I'm trying to model a 3D case of 2 Wankel rotors connected by pipes sideways.
I have my dynamic mesh UDFs right and working, non-critical skewness (0.60 in the begining up to .85 max during simulation) and a conservative time step.
At about half of the cycle or towards the end of it my model crashes with a message saying smth like
"cavity along longest edge-mesh connectivity error"
the case I am running at the moment is just air, laminar flow, energy equation off.
I am using a tetrahedral mesh from ICEM (passed all checks) with smoothing and remeshing (local cell & face).
I don't remember seeing such error during dynamic mesh preview..
Maybe some skewness warnings which I dealt with by improving the mesh and dropping the time-step.
I've only seen one unanswered similar post from 2005 so I am guessing I am missing smth very obvious.
I would really appreciate any help.
All the best,
Can you put some images of your mesh on starting of simulation and before your simulations crashes?
Hi mvee, thanks.
I lowered the time step a bit and slightly improved the mesh and it worked.
However it would be good if I got it to run a bit faster.
I haven't saved any pics but I'll try to recreate the problem and post them when I do although I don't believe they would be conclusive.
Anything particular you are thinking of - expecting to see?
All the best,
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