icoFoam crash with unreasonable velocity.
A question from an inexperienced OpenFOAM user.
I am playing around with a simple manifold design and icoFoam.
After 10 time steps everything looks more or less ok, but then suddenly the velocity increases to unreasonable values. :confused:
I increased the resolution of the mesh with unchanged results.
I have this problem generally with icoFoam that U increases until icoFoam crashes with a floating point error.
I understand I am doing something wrong, so if someone could point me in the right direction I would appreciate it.
I think I found the reason for this problem.
After decreasing deltaT from 0.1 to 0.005 it seems to work good.
Could be useful for anyone else who stumbles upon this problem.
Hint: Check that the Courant number is < 1. If you need large time-steps, use pimpleFoam.
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