Questions tagged [mantaflow]
This tag is for questions about Blender's Mantaflow based fluid simulation. Use it for questions about set up, parameter settings and other aspects.
134 questions
0 votes
1 answer
29 views
I'm trying to emit flames from a custom shape emitter but my render just shows the custom shape and no smoke or flames
I am trying to emit flames and smoke from a custom funnel shape, but my render doesn't have any flames or smoke. I took the following steps: create cube mesh to be my domain, scale up to about 10m in ...
- 203
0 votes
1 answer
24 views
Can't get drop of water (fluid sim) to hold shape (it flattens)
I have a simple scene where a single drop of water falls and splashes on the face of a character. I have tried this for days (maybe weeks) and I cannot get the manta ray fluid sim to drop normally it ...
0 votes
0 answers
39 views
Render Smoke Sim as a Separate Pass
I’m trying to render a smoke simulation as a separate pass for compositing in After Effects, but I’m running into some issues Since volumes don’t work with Cryptomatte, I can’t use it to isolate the ...
- 209
2 votes
1 answer
140 views
How to continue the fluid after the end of the curve guide?
I'm working on a fluid simulation in which the fluid flows along a curve guide. When the fluid reaches the end of the curve, I want it to continue in the same direction and splash into the bowl. ...
- 2,792
1 vote
0 answers
22 views
Fluid simulation not displaying after bake
I keep trying to bake fluid sims(Right now a fire and smoke sim). The flow object isn't too big, the domain's resolution divisions is set to 64. But once I'm done baking the simulation doesn't play.
- 11
0 votes
1 answer
200 views
Why does my fluid simulation look like a floating swirl of colors?
I'm trying to create a fluid simulation using Quick Liquid for a coffee pour animation. At this point I've watched 3 different tutorials but it's still not working. What am I doing wrong? Image 1: ...
0 votes
0 answers
100 views
Blender 4.1 - Gas Domain Not Adapting to all flow objects
I have a gas domain set to smoke with two flow objects. One flow object (ground smoke) stays near the ground; it is emulating the large volume burst of smoke (water vapor, etc) that comes from a ...
- 33
0 votes
0 answers
28 views
Why does my fluid explosion sim have odd artifacts?
Does anyone know why I get this odd geometric noise on my fluid explosion simulation? It's rendered at 256 samples with noise and .05 vorticity. Let me know if anyone has any ideas!
- 33
0 votes
1 answer
217 views
Smoke not showing in Cycles Render
The smoke effect in my scene randomly stopped showing up in renders. I'm not sure what's changed Show in renders visibility is set to on The smoke has a material There appears to be no problem with ...
- 209
1 vote
1 answer
45 views
Fluid stream not really straight with spherical artifacts when increasing velocity
So I'm modelling a water fountain and currently I working on adding some water in the form of a Blender Fluid Simulation. Everything looks more or less as expected except the water stream coming from ...
0 votes
1 answer
60 views
Liquid gets less/vanishes if effector is rotated in animation
I am experimenting with liquids in an animation, but I don't get it to work properly. I have an simple container, liquid flows in. Then it rotates so the collected liquid should be able to flow of ...
- 143
0 votes
1 answer
153 views
Is it possible to set a Sphere as a Fluid Simulation Domain?
This what happens when I try it... I'm using Blender v3.6.2
- 11
0 votes
2 answers
262 views
My fluid sim only shows the domain box even after baking
I am making an animation with fluid in an incubator. For some reason, the sim just disappeared and now it only shows the domain box like this, even after freeing and baking multiple times. Does anyone ...
0 votes
0 answers
31 views
Smoke is Noisy with background image
I am trying to composite a smoke simulation to a background image, but some of the smoke is noisy in thinner areas. How do I fix the issue?
- 209
1 vote
1 answer
677 views
How to achieve this water splash animation for any solid object ( suzanne for ex)?
I am really trying to understand mantaflow and water simulation in blender and I want to make a fluid animation that throws water on an object in blender (kind of like the 3D splash effect you might ...
- 369