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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!
Mason's user avatar
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10 views

my baked fire simulation is floating with a super small scale

I basically have a ecosphere emitting particles and I added a fluid simulation (fire + smoke, inflow) to that ecosphere with the flow source as a particle system so it could follow the particle system,...
Dante's user avatar
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1 answer
32 views

Repeating fire-simulation continuously without keyframes

I did alot of desperate research, but couldn't find anything helpful; here is my problem: I rigged my v8-engine, assigned some materials, but now it's time to simulate the internal combustion. I am ...
Philipp's user avatar
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0 answers
14 views

Fire (Mantaflow) showing in render viewport, but rendering some frames blank

Hi there fellow Blenders, I have stumbled on an odd issue; I have been playing around with a fire animation for a bit now, and am happy with the bake and the final look. I have rendered a test in ...
The_Ro's user avatar
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0 answers
23 views

Smoke Domains Piled Up

For some reason after baking all of my smoke domains pile up on one of the domains. When I try to move the domain, it displays the domain in the correct spot. Should I have created one huge domain to ...
2bcrushed's user avatar
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1 answer
84 views

how do you freeze/stop/apply a fire/smoke/fluid simulation?

does anyone know? i found a video where they did it but it doesn't work anymore in blender 3.6.
catwithlonghair's user avatar
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1 answer
64 views

Blender fire simulation is jumping around randomly

Right now I'm trying to create a simple flame to create a flipbook texture to use in Unity. The only problem is that when I bake my simulation it seems to bounce all over the place. I'm not sure why ...
Mathieu Dubois's user avatar
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0 answers
55 views

How do I render fire + smoke?

I am trying to render a simple rocket ship animation. I have used the advice from this question, but it only displays the fire & smoke in the solid mode of viewport shading. In material preview ...
cheese's user avatar
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1 vote
1 answer
25 views

Can I disable my fire simulation from risign upwards

So basically, I am making a scene in space where a spaceship is supposed to catch flames before exploding. However the flame is rising which is unlrealistic for a 0G enviorment. From what I've read by ...
Tocak's user avatar
  • 65
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1 answer
61 views

Procedural fire - scaling and similar shape on both x and y axis?

This is fire, generated as a procedural volumetric shader: Viewed from X axis: from Y axis: How to get the fire style/shape from x axis to appear on the Y axis as well? Also, how do I scale up or ...
Francis Mike Nathan's user avatar
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0 answers
80 views

Light catcher object lit via light path node of fire fluid rendering odd shadow in cycles render

I've got a scene setup like this with a fire fluid casting illumination via a light path shader node onto the rear plane geometry, the plane is perpendicular to the render camera which is facing it ...
Helpme's user avatar
  • 97
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1 answer
22 views

Render fire simulation without fire being visible in the render for lighting the surrounding geometry

Is the above possible? I've rendered the fire as a separate pass. I want to now render surrounding geometry acting as light catcher objects illuminated by the fire, but the fire not being visible. As ...
Helpme's user avatar
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1 vote
1 answer
29 views

Control or manipulate Fire transparency effects?

I copied this video tutorial. My blend file: Now, how do I control the fire transparency? Like these:
Francis Mike Nathan's user avatar
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1 answer
102 views

Fire is unaffected by any force field

No matter what I do, no matter what render engine, no matter the strength and flow of the force field, I cannot get any fire/gas simulation to ever be moved by a force (specifically wind). I've ...
Leo Schunn's user avatar
0 votes
1 answer
220 views

Render fire with transparency looks washed out

Why it is so complicated to render fire with transparency? A few versions ago, things wouldn't even show on the output file and now the render look very washed out compare to the Blender viewer, If I ...
Ebi's user avatar
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1 vote
1 answer
155 views

Render of fire with a transperent background

I have a problem with rendering fire with a transparent background. The preview is different from the saved image. How do I render a fire with a transparent background? Domain shader Blender file:
Tobi's user avatar
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77 views

Fire + Smoke bake shows steps (still not solved)

When I bake my fire and smoke on a moving object (character), I get these unrealistic 'steps' in the bake (you can see the arm is rendered every frame apart, instead of a continuous natural fire). ...
ngerbens's user avatar
1 vote
0 answers
73 views

Why does the wind force field not do anything?

I'm animating a rocket launch and after hours of tweaking I've come to the conclusion that the wind does nothing (it stays the same if I remove it) the exhaust comes out as a blob like this rather ...
LikedLizard's user avatar
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48 views

fire with transparency

i tried following this tutorial on realistic fire in blender, and all went very good up until the rendering. Blender apparently renders it with no problems at all but once I save the file it simply ...
Rodrigo Müller's user avatar
8 votes
1 answer
1k views

How can I remove black backgrounds from fire stock images to use in material with transparency?

An easy way to get fire in your scene without simulating - no matter if it's for still images or animation - is using stock footage/photos of fire, often with a black background and just as JPG or PNG....
Gordon Brinkmann's user avatar
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0 answers
25 views

Oil Drum Fire Overspill

Even though I have collisions turned on I seem to get overspill from the flames and smoke
Neil McNally Design's user avatar
1 vote
0 answers
157 views

Why isn't '#frame/500' for my texture offset not working?

I am working on this tutorial for making a fire simulation using Blender 3.0. This issue I am having happens at 00:03:30 in the video. He is saying that the offset for here should be ...
Skymero's user avatar
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0 answers
348 views

Is it possible to merge two vdb caches into one?

I want to produce a fire animation in Blender that cycles, the first frame being the same as the last. I've tried following a youtube tutorial Looping Smoke-sims in Blender | Quick Tip on Simulations ...
twisted's user avatar
  • 191
1 vote
1 answer
198 views

Is it possible to repeatedly loop through cache data?

The animation I’m working on is illuminated by about 20 torches. Currently 1000 frames. I’d like to use a fire animation, via fluid physics, for the torches, in a efficient way, keeping cache sizes to ...
twisted's user avatar
  • 191
4 votes
1 answer
175 views

Should I be changing temperature min and max or reaction speed if I want my flames to go higher?

Working on a fire simulation and I was confused about which value is more physically correct to adjust because I know adjusting reaction speed slows down or speeds up the fire simulation. Any help ...
MrChurch2005's user avatar
1 vote
0 answers
109 views

How to drive noise textures position with attributes?

I'm working on a fire simulation and I've been using a noise texture to remove parts of the fire. So far I've just animated the Z value of the mapping to move the noise up. But I saw someone use an ...
MrChurch2005's user avatar
1 vote
1 answer
201 views

Mantaflow Fire very blocky?

i made a Mantaflow Fire+Smoke Simulation and have to problem, that the fire looks very blocky and large. The Smoke looks pretty good nonetheless. It´s a Fire + Smoke Emitter and the Domain Resolution ...
VICUBE Animation's user avatar
0 votes
1 answer
106 views

Rocket Launch Simulation with Mantaflow looks weird

I want to recreate a Rocket Launch and have the problem, that the smoke behaviour looks very different from Real Rocket Launches. I put a Mantaflow Fire/Smoke emitter and Force Field in every engine. ...
VICUBE Animation's user avatar
1 vote
0 answers
66 views

How to make cartoonish fire wing effect?

I would like to create a visual effect similar to this one. Basically, I need an animation of a flaming wing and the fire must dissolve in the ending. I have tried to mix many different tutorials ...
Marcelo Motta's user avatar
0 votes
1 answer
307 views

Cycles isn’t rendering fire/smoke simulations

I have an animation with fire+smoke, but when I render it no fire or smoke shows up and I don’t know the problem, I’m using cycles and the domain has a shader for it. Any help?
Cabbage's user avatar
  • 81
1 vote
0 answers
91 views

How to Create Fire Reflection in Eevee?

I'm making a fireplace. The Eevee rendered image has no fire reflection when using a Principled Volume shader on both stainless steel and glass surface. I tried using a Reflection Cubemap to no avail.
Sek Fukeung's user avatar
0 votes
1 answer
834 views

Fire does not appear in the final rendering [closed]

I created a fire in the blender, it appears in the render Mode but does not appear in the final rendering. What to do?
yair biton's user avatar
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0 answers
313 views

In the Dissolve tab for smoke simulations is the ‘time’ seconds or frames?

I’m currently testing out smoke and fire simulations and I came across the ‘Dissolve’ tab, and I’m not sure whether ‘time’ means frames or seconds.
Cabbage's user avatar
  • 81
1 vote
1 answer
433 views

How to fix pixilated fire in render

Shows fine in the 3d view but renders blocky / pixilated. How can I fix this?
Todahmoon's user avatar
  • 341
1 vote
1 answer
1k views

How to make taller flames

I'm working on an animation where I need a fire to fill certain vertical area. How can I increase the height of flames in a fire simulation?
Mason Heilman's user avatar
1 vote
0 answers
97 views

Fire Simulation Hitting Border

Trying to make a torch, but the fire simulation keeps going to the top of the border. How do I shorten the flame?
Luca5a's user avatar
  • 11
0 votes
1 answer
4k views

Smoke simulation not working

I am new to Blender and I am using blender 3.0 I am trying to make a smoke simulation by quick effects but the smoke simulation is not working and also I have a chimney which should work as a effector....
Mad Human's user avatar
0 votes
0 answers
96 views

Baked smoke domain jumps back to origin when being moved

I have this project of a large scale environment, and have the main character in front, and he's supposed to be holding a torch. I made the fire smoke domain, and got it baked. But it's at the world ...
steelshotronin's user avatar
0 votes
1 answer
122 views

Fire Shader For Pixelated Fire

I learned how to make a voxel fire by importing an OpenVDB of a smoke simulation I had made, and then using the Volume to Mesh modifier to make a cube take the form of the simulation. I then used the ...
RBlong2us's user avatar
  • 1,355
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0 answers
37 views

Does an object emitting smoke also behave as an effector?

I'm making a campfire in Blender 2.93 and I'm wondering if I need to make duplicates of the objects and set them to effectors. If my emitters are set to flow, then I can't set them to effector. So if ...
MrChurch2005's user avatar
0 votes
0 answers
54 views

Fire+Smoke Simulation isn´t working with motion

Im trying to make a scene where a helicopter flies in the camera view and shoots rockets at the camera. I want to make a fire and smoke trail behind the rockets but i cant get the simulation to work. ...
MrAims's user avatar
  • 1
4 votes
1 answer
1k views

Fire Doesn't Rise Up and It looks Fake

I'm initially used Blender 3.0.0 beta on Windows 10 but I duplicated this result on Blender 2.93.6. I can't get a realistic fire simulation. I followed this tutorial https://www.youtube.com/watch?v=...
ChristianOConnor's user avatar
0 votes
1 answer
195 views

Blocky fire in rendered view

In the render view my fire is kinda "blocky". No matter it is in Eevee or Cycles. When I change Emission to 0 and Blackbody Intensity to 1, is better, but this is not the result I want to ...
Sylvester's user avatar
0 votes
2 answers
701 views

My smoke is blocky even at highish resolutions

I’m working on this project where I’m getting this blockiness in the fiery smoky flying rocks. I already increased the resolution of the bake to 500 in the domain menu and it took the whole day to ...
Alex Moreán's user avatar
0 votes
1 answer
807 views

My fire has extremly low resolution

I started experimenting with fire and smoke and now i have the problem that my fire and smoke both have are in terrible resolution. I know that the Resolution Devisions are just on 64 but I also tried ...
Tobias's user avatar
  • 1
2 votes
0 answers
342 views

Blender Refraction BSDF too dark

as you can see in the first picture if i use an refraction shader on a plane in front of the fire/persons it´s way darker then without. I want to use it for an heat distortion because of the fire. I ...
VICUBE Animation's user avatar
0 votes
1 answer
160 views

Why is my smoke sim so grainy?

(This was made in blender 3.0 alpha) So basically I followed this tutorial from Polyfjord, my whole process is basically the same, for those who don't have the time to watch the whole vid: Create a ...
FrostyShock's user avatar
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0 answers
46 views

Smoke not rendered in viewport in smoke and fire simulation

So i have been messing around with the flame and smoke simulation, but for some reason, i cant seem to be able to see my smoke being rendered in my viewport. Here are my settings for the simulation. ...
HCHG's user avatar
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0 votes
0 answers
105 views

Export to transparent PNG doesn't export everything

I've got a fire simulation in Blender 2.83 and when I export the image the colors at the edge of the fire don't come through. Any ideas? Attached, highlighted in red the left shows the Blender file, ...
SpiffyJon's user avatar
2 votes
1 answer
421 views

How can I slow down a particle driven smoke/fire simulation?

I am working on a flame simulation that is driven by a particle emitter (Emitter > Flow Source) and everything has been going fine. The only problem is that the simulation is going EXTREMELY fast. ...
fmotion1's user avatar
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