gaurav Posted July 28, 2016 Share Posted July 28, 2016 Hey Guys, I have a situation with flip sim where every time i write out / cache there is a change in particles positions in some areas of sim. My scene particles have somewhat moderate velocities with wide variation in viscosity ranging between (0.000 to 1.000)*40 in few decimals places. Although overall sim shape remains the same but there is a visible change in secondary shapes, fine tendrils it makes. My suspicion is on the viscosity solver as i bypass viscosity calculations the error goes away. 64 bit float precision doesn't help the case either. I am aware of rounding errors that are inherent in floating-point computation but have no idea of how is viscosity solved. Has anyone experienced it behaving it non-deterministic ? Thought to ask around before submitting as a bug. H14.xx.xxx Thanks, Quote Link to comment Share on other sites More sharing options...
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