This was a little Shot I worked on last night and then comp'd this morning. Its based on them food commercials on TV where you see the product been doused with chocolate!!
Method:
I used 3DS Max to set up the scene I created 4 Tours's and added some large scale noise on them to deform the shape up a bit.
I then exported them to Realflow 2013 and ran a Soft Body Simulation on them to make the collide like dough would (very little stiffness and no elasticity). I then created a basic circle emitter with higher viscosity to create the chocolate flow on the Doughnuts. It took a few sims to get it looking right. After the sim was done I Meshed the Particles with Realflows new Legacy Mesh, the mesh came to about 800,000 Polys over 150 Frames. I should have upped my Filters Relaxation as you can see the Metaballs in the Mesh in some frames.
I Then brought the Mesh's back into 3DS Max and Rendered with Mental Ray. I did not add a Shader to the Doughnuts as the main focus was the chocolate Simulation. For the Chocolate Shader it's actually just a Mental Ray Ceramic Shader with a dark brown colour on and I have always found that it makes great looking CG chocolate.
Render Time was Around: 2.3 Hours
I then Slowed the whole sim down using Twixtor in After Effects to make it look like and Ultra High Speed shot, this saves me having to do a 450 Frame simulation and render. Twixtor handled the render really well and there was no visible warping. This is probably because of the white backdrop. Twixtor is an awesome tool for making fast shots look slow motion.
The Final Shot:
As Always Thanks For Looking!

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