Hernan S

sepu

About Me

EXPERTISE
Generalist
INDUSTRY
Film/TV

Connect

LOCATION
United States
WEBSITE

Houdini Skills

Availability

Not Specified

Recent Forum Posts

Pyro Smoke Collision Banding Artifacts April 9, 2026, 8:36 p.m.

That looks correct - still tough to say without looking at your .hip
You might want to look at this (https://www.sidefx.com/forum/topic/103550/); you might be running into a similar situation.
I don't need the whole character, just where you are having issues or some repro.

Help!—smoke sim collisions not working with vdb April 9, 2026, 8:32 p.m.

Here you go, you gotta expand the voxel data - basically increase the narrow band of active voxels around a surface so you get more accurate collision detection. You can see what the collision field is doing by checking the field guides. Also, your scale was super tiny.

Pyro Smoke Collision Banding Artifacts April 9, 2026, 6:30 p.m.

check the collision when is solving you might have a pretty low res sdf in there.
How are you feeding this into the solver? Can you post the .hip