nParticles Output Mesh Problem

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# 1 11-09-2013 , 08:40 AM

Registered User
Join Date: Aug 2011

Posts: 1

Hi,

I'm trying to simulate water with nParticles, I have cached the simulation to disk but the output mesh changes in appearance during the simulation.

Between two frames, it suddenly goes from appearing noisy and turbulent to appearing smooth and calm. Below is an example:

https://twitpic.com/dcyr7q

Any help as to why it changes would be appreciated.

Thanks,
Aidan

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# 2 16-09-2013 , 01:12 PM

Moderator
Join Date: May 2003

Location: London

Posts: 1,001

It will all be in your meshing settings, the mesher in maya is pretty awful to be honest as it's ability to do decent water simulations. I would highly consider working with realflow as a easy to use out the box solution or houdini if you're feeling brave.

I'd start by increasing your meshing radius, I'd imagine your particles might be slighly further apart from one frame to the other. This can make a big difference as with slow or slighly seperated particles are lightly to be treated differently by the mesher. Meshing is an area of CG which is very much in flux and does requrie a fair amount of tweaking to get a good result.

Laurie

FX supervisor - double negative

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