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Questions tagged [smoke-simulation]

Questions pertaining to Blender's built-in smoke simulator.

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Fire VDB is coming from everywhere!

It's quite obvious in the image, that the fire is supposed to be only in the middle of the render, but it's spreading out everywhere, the fire behind is not supposed to be there. I have no idea. It's ...
ahkai's user avatar
  • 67
2 votes
1 answer
150 views

Wind tunnel simulation (laminar flow)

I’m having some troubles with smoke simulations in Blender. The one you can see here was made by Kev Ryan in Houdini, and I wanted to know if you think it is possible to recreate the same effect in ...
Davide Margottini's user avatar
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0 answers
29 views

Fire simulation casts light with weird holes/shadows in it. How can I fix this?

This project uses a shadow catcher to catch light and shadows and is composited onto my footage. I'm using adaptive domain (though I tried a low res bake with no adaptive domain, that just killed any ...
Braedon Rogers's user avatar
1 vote
1 answer
31 views

Smoke simulation

So i have this ventilation shaft with gate that closes. I was trying to get some to interact with gate closing but smoke still goes trough gate. And yes gate has collision (sampling 1 and thickness 1)....
DenyBoyLV's user avatar
2 votes
2 answers
211 views

Fast moving smoke simulation trail is patchy? How do I make it a consistent line?

just working on this extremely fast moving smoke simulation, which is a trail of smoke emitting from a cylinder constrained to the back of a drop pod flying towards a planet. And, the smoke comes out ...
Falrte's user avatar
  • 21
0 votes
1 answer
21 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 ...
Mike's user avatar
  • 179
0 votes
1 answer
40 views

Smoke Won’t Stop Emitting When “Use Flow” Is Unchecked

I don’t know what information to give. I set a key frame with “Use Flow” checked, then I add a key frame on the next frame, with “Use Flow” unchecked. The properties tab show that it is unchecked, and ...
Koast's user avatar
  • 1
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0 answers
23 views

What are these ugly spots in smoke simulation render and how can I fix them?

Here are some images attached.
Bence Zsély's user avatar
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20 views

Is it better to have one large VDB or a bunch of small ones?

While making a cloudscape I was wondering which would be the better way to go about it. Is better to have 1 large VDB with a bunch of dense spots for clouds but mostly empty space, or an individual ...
Hank The Tank's user avatar
0 votes
0 answers
32 views

Smoke simulation not showing up in render when rendering animation

I'm trying to render a scene that has a smoke simulation in it. It shows in every view and when rendering individual frames. But when I try to render an animation, it's just missing. The domain has a ...
Bence Zsély's user avatar
1 vote
1 answer
42 views

Why do fluids clip through effector after enlarging domain

Summary I created a basic rocket thruster via two planar inflows (smoke and flame) housed inside of a non-planar cylinder/cone effector (set to collision). The animation is fine with a smaller ...
Celery's user avatar
  • 11
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1 answer
14 views

Wrong Color in Smoke Simulation?

I make a simply smoke simulation in Blender 3.6 with one color at the beginning. But already in the "wireframe" and "solid" view the color changes during the simulation. This has ...
PowerNow's user avatar
  • 207
1 vote
1 answer
173 views

How to include smoke/fog/volume into mist pass

I'm using mist in this node for compositing And have run into the problem that a smoke domain using a volume shader is rendered as white Is there any way to fix that? Or maybe getting the same mist ...
Evgeniy Pupkin's user avatar
0 votes
1 answer
61 views

how to change smoke resolution divisions without changing its shape

i'm trying to setup a smoke simulation but faced with the fact that i can't improve the quality of the smoke without changing its shape. as you can see, the smoke puffs on the 128 are much larger and ...
Evgeniy Pupkin's user avatar
1 vote
0 answers
54 views

High pressure steam/gas/vapor leak simulation

I'm trying to achieve result like on this reference https://youtu.be/MQiPAhScDGA I already checked these posts Jet stream of water How to achieve vapor or steam effect with smoke sim? It seems that ...
Evgeniy Pupkin's user avatar
0 votes
1 answer
48 views

why does smoke simulation in solid view look better than rendered?

i'm styding smoke from this this post's file Smooth decay of smoke simulation and i'm wondering why does smoke simulation in solid view look better than rendered? i mean it's more stylized, but that's ...
Evgeniy Pupkin's user avatar
1 vote
0 answers
30 views

Help me make a dense moving floor fog loop

I am fairly new to blender and am animating a looped scene of a dark grimy room. I’ve tried making a still room fog just by changing some textures to a cube but I thought I could do better. I don’t ...
TheGrimmus's user avatar
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16 views

Smoke simulation renders with gaps on fast moving object

I understand that this problem occurs because the "flow" object moves very fast (in 60 frames 72 meters) and a little sideways. But how to fix it? I have tried all possible settings (...
Dmitriy's user avatar
  • 41
2 votes
0 answers
38 views

Smoke Domain duplication over plane

I am new to Blender but I've learned a lot since I started. I am used to CAD design so I understand how a blender works as long as it's explained to me. I am having a problem where I want to make a ...
AnonymousAnti's user avatar
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0 answers
20 views

How do I trigger a checkbox with Armature? Is there a way?

I have a cube, I want this cube to generate smoke at a certain key frame, but I want an armature to trigger it. The problem is blender keeps crashing when I render so there is something I'm doing ...
Jimmy Lin's user avatar
  • 574
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0 answers
32 views

Why is the background so full of noise?

I rendered this animation of a coffee mug with a smoke simulation to create the hot steam but the background is almost distorting like with heat distortion. I do use depth of field and the focus ...
Arceus's user avatar
  • 67
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0 answers
21 views

Combining different types of Animations

I am new to blender and I am currently working on a project where I animated the firing of laser using geometry nodes. After the laser strikes the particular target I want to have smoke released in a ...
Siddharth Bhanot's user avatar
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0 answers
21 views

The smoke simulation doesn't look good in the rendered state. How can I change the render settings. so that the result looks better

In this project, I want to use smoke in the scene. Here are my render settings Rendersettings I don't know how to adjust the settings so that the end result looks better. Here's the rendered image
Manuel Strack's user avatar
0 votes
0 answers
36 views

How can I change the render settings so that the wierd particles on my render look better?

Here you can see my render in Cycles I want to render this image, but the Cycles engine can't handle the smoke simulation. I would like the render to be way more precise and realistic. I don't know ...
manu000's user avatar
  • 41
0 votes
0 answers
19 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
0 votes
1 answer
68 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
0 votes
1 answer
45 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
0 votes
0 answers
44 views

Creating a controller that can control the intensity of emission of smoke

I have been trying to create a rig that can control the intensity of emission of condensation (similar to smoke) on wings like the one in the video (at 1:33) https://youtu.be/wjTV2AdoLNs?si=...
Raghunandan's user avatar
0 votes
0 answers
54 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
  • 1
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
0 votes
1 answer
63 views

Optimize Sim Cache

I have a big blend file that contains simulations and my pc can't handle rendering it and I can't upload it to a render farm cuz when I add external cache files it gets too big. Whenever Itry ...
Jo xXx's user avatar
  • 420
0 votes
1 answer
39 views

multiple smoke simulations - independent of each other

it's more like a general question: I made a smoke simulation, one domain + one emitter -> baked that, worked fine. Then i added another domain + emitter, where the domain is that big, that the ...
Chris's user avatar
  • 61.3k
0 votes
0 answers
22 views

how to bake rigid body?

so I have a rigid body simulation but the problem is I don't know exactly how to bake them , I have a plane with kind of explosion on (the plane is a loose part) on edit mode , I have two plane with ...
Jak Break's user avatar
0 votes
1 answer
33 views

Smoke simulation frozen

I am having a problem with my smoke simulation. I created an emitter and added the quick smoke preset. But when I press play the simulation only shows the first frame. When I do the same in a blank ...
Silas Paffrath's user avatar
0 votes
0 answers
57 views

Collision do not work with smoke

I have trouble with the collision when I’m doing a smoke simulation. It works fine if I open up a new Blender file but it doesn't work in my file that I'm working on and I can’t understand why. I want ...
David's user avatar
  • 15
-1 votes
1 answer
173 views

I can't see smoke in cycles

i don't get it maybe i'm just stupid because in the tutorials it just works.
catwithlonghair's user avatar
0 votes
0 answers
45 views

Is Blender's OpenVDB cache export volume channel only?

I've been exploring using Blender VDB sims and not continuing with Embergen. Right now the biggest problem I'm having is that I can't apparently export flames from Blender to the OpenVDB cache. ...
Xyshurondor's user avatar
0 votes
0 answers
30 views

Smoke simulation not working at all

I followed a tutorial online about smoke simulations, and I am trying to get the smoke to flow down in the domain... Every time I bake, the smoke appears but only around the box and I can't figure out ...
prestonferry's user avatar
0 votes
0 answers
295 views

Embergen simulations are not lookin correctly in blender

so i just imported the some vdb files into blender that i made in embergen but the smoke+fire effect is not lookin as embergen here is my node setup
AhmetHakan's user avatar
0 votes
2 answers
54 views

Smoke cuts off when emitter flow is turned off

I have 16 smoke emitters in a domain and 8 of them are active for the first 50 frames, and they turn off at frame 51 and then the other 8 activate which were turned off before. Instead of the first 8 ...
Cabbage's user avatar
  • 81
0 votes
0 answers
23 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?
Mike's user avatar
  • 179
0 votes
0 answers
19 views

my smoke simulation is barely visible in cycles

I am trying to do some smoke simulation so I tried it my self everything is good for now , but when I tried to bake it the smoke is barely visible As you can see in the pictures my settings , I want ...
Games nr's user avatar
  • 405
0 votes
1 answer
27 views

Bugged flame appears only middle of the domain

I don't know what happened but my flame suddenly broke. İt was very good and detailed. I don't know what ı changed. Flame appears only in middle of the domain with very bad resolution. Also when ı try ...
Furkan Yaprakcıer's user avatar
0 votes
1 answer
38 views

smoke simulation from different frame rather than from 1 to 250

(I am a beginner in simulations) When i tried to simulate the smoke simulation from 100th start frame rather than 1, the smoke simulation behaves weird. When the animation reaches the 100th frame ...
Sai Pavan Gantla's user avatar
0 votes
0 answers
13 views

liquid simulation to follow Smoke simulation using Guides setting

I am trying this video But when I turn on Guides of Liquid Domain, flow disappears. How should I fix this?? https://www.youtube.com/watch?v=ldUwslQJ9NQ Blend file is this.
kato 's user avatar
  • 171
0 votes
1 answer
172 views

How does one create a particle cloud that collides like real smoke?

I'm familiar with all the volumetric methods of creating cloud looking things. I'm familiar with particles from emitters. What I really need is a cloud of smoke that moves like real smoke when an ...
Dr Tyrell's user avatar
  • 309
0 votes
0 answers
54 views

Smoke Wisps in Blender 3.5

How can I make thin smoke wisps in Blender 3.5? Please share the procedure. Here is a reference.
Tulika's user avatar
  • 21
0 votes
1 answer
67 views

Smoke and fire quick effect offset from emission object

I am using blender 3.5, and I am a beginner. When I apply a Quick Effect > Fire and Smoke on any mesh object, the effect shows offset from the emission object: I tried to resize and move the outer ...
user1576789's user avatar
0 votes
0 answers
24 views

Smoke Particles and Fluid

Taylor Swifts music video has these golden particle/fluid/smoke simulation. It is like a glowing pipe which has particles & smoke or fluid or both coming out randomly. I understand fluid ...
Tulika's user avatar
  • 21
0 votes
1 answer
253 views

Smoke Sim Still Blocky With High Resolution

I'm working on a scene with a smoke simulation. As far as I can tell, I have everything setup correctly. That's obviously not correct as I'm here with an issue but I just cannot figure out what the ...
Jammer's user avatar
  • 211

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