Hello I was just playing with 12.5.366 .

I tried to do a simple surface tension test which was working perfectly in 12.1.
Now it seems the solver breaks with certain values. Is that an expected behavior. The error is in the Gas Project Non Divergent Variational - Projection solve failed .

I have attached the scene .

Thanks

sabotage3d
I tried to do a simple surface tension test which was working perfectly in 12.1.
Now it seems the solver breaks with certain values. Is that an expected behavior. The error is in the Gas Project Non Divergent Variational - Projection solve failed .

Pretty unusual for the projection solve to fail, but I imagine it's because the sim is blowing up due to a bug in GasSurfaceTension in 12.5.

You'll need this fix:

Tuesday, April 23, 2013
Houdini 12.5.384: Corrected a problem in GasSurfaceTension that led to incorrect forces being applied for face-sampled velocity fields.