Questions tagged [smoke-simulation]

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

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Explosion smoke spreads in all directions

I want to simulate a nuclear explosion using smoke/fluid simulation in blender. The problem: my smoke and fire spread in all six directions (x, -x, y, -y, z & -z) instead of forming a mushroom ...
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How to fix pixilated fire in render

Shows fine in the 3d view but renders blocky / pixilated. How can I fix this?
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Ground shadow is rendering out volume voxels instead of smoke shadow

I am rendering out a simple fluid (smoke) simulation, and when I render it out, instead of the smoke's shadow rendering out, the shadow is the voxel blocks that house the smoke simulation (See image 1)...
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Quick smoke effect disappear after succesfully baking

I’m using Blender 3.1. I have a smoke domain (quick smoke effect). It plays well in Replay mode. In All mode, Baking completes successfully and the files are generated in the folder. However, the ...
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Why is the smoke creating only outside the timeline frames?

I'm trying to deal with smoke simulation, but totally confused. The only way I can make the smoke to work is to create quick smoke effect. But when I'm changing anything in settings of domain, my ...
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Why I can't see my smoke in render?

I'm trying to add smoke to my scene, but it didn't work well. I can see smoke in viewport (in very bad quality and always black blinking, but still). When I'm trying to render it, I didn't see any ...
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Why is half of the smoke not showing in the reflection when I turn on "indirect only"?

I have a character that is emitting smoke and standing on a plane with glass shader. I want to render the plane with the reflections and the smoke separately. However, when I turn on "indirect ...
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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?
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1 answer
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Can I make my smoke look white like snow?

I have a smoke simulation and I want to make it look white like snow but, even when I turn the color to pure white, it looks dark like smoke (using the "Principled Volume" shader). Is there ...
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Can I make particles emit smoke?

I have a simple mesh emitting Icospheres into my scene. How do I (if possible) make each little Icosphere in my scene emit smoke?
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Can a Point Cloud be Spread Through a Smoke Sim?

I'm simulating a sand storm and need a large number of particles in my smoke simulation. After reading about point clouds in Blender 3.0+ and using a few examples I was wondering whether they could be ...
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How to make effect of sand blowing away revealing a buried object?

I'm pretty new to Blender and 3D modeling/animation in general so apologies in advance if this is stupid. I'm trying to create the effect of an object (A sign in this case, so a flat plane) that's ...
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Import Mantaflow VDB Cache Files into Bleder doesn´t work correctly

I made a Smoke Simulation with Mantaflow and then tried to import the vdb files from the data folder in the cache folder, but the imported vdb sequence doesn´t look the same. It looks simplistic and ...
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Smoke simulation having a tear

I am making a little smoke effect in Blender 3.0.0 and I'm having a little problem. I created this spiral curve (and making sure it was a curve), gave it "volume" and converted it to a mesh. ...
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How to scale smoke simulation in blender?

I'm trying to create a large smoke but i can't the smoke just won't move at all . what I'm trying to do in details : i create a cube with 1000by1000by1000 meters dimensions , and from object > ...
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Smoke rings with mantaflow or principled volume?

I've been trying to get a smoke ring effect like this, I've tried using a torus as an emitter set to geometry which works to create the smoke ring, but only when emitting on the Z axis. I want it blow ...
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Quick Smoke effect not showing on other device (shared blender file)

I have a project in blender 3.1 that has a quick smoke effect. Everything works perfectly on my pc. But when i shared my project with a friend, the quick smoke effect just stopped working. Nothing is ...
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How to make white smoke (with Cycles)?

I wanted to create steam and I've implemented the quick smoke shader but it's always grey when I put the color slider on white, and I want to change it to white. How can I get this to work?
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Best smoke settings to fill solid object

I am trying to fill the mesh shown below with thick smoke. To this end, I placed an emitter UV sphere inside the mesh and set the mesh to fluid effector. The smoke is now contained in the mesh. Now I ...
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I want to have cold smoke emitting from bottle but can't get the settings right

So I want to make an ad video for my portfolio. It's a beverage bottle and I saw a tutorial on Youtube which was smoke from a cup of tea. It worked for the top part of the bottle and I tried to tweak ...
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Weird colors when i open rendered image in After effects or any image viewer

I have a 3D model that does a spin and he is on fire. I render one image. It looks just fine on blender. However when I save the image on my drive and open it with After Effects or with any other ...
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How do I make my smoke move faster?

I’m recreating a scene where someone opens a door, and in the room it’s all foggy and they turn on their lightsaber lighting up the smoke. Im making it into a Lego versions so I imported a model from ...
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Physics Domain Box in Box

Working with the Physics sim, I noticed a small box in the corner of my DOMAIN. What is that small box? How do I MOVE it to center mass?
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Smoke transparency render perfect in blender, but altered after saving

I'm trying to render a cigar with a smoke simulation on transparency alpha png. In the viewport and the render, the smoke looks perfect, but when i'm saving the image for composite, the smoke opacity ...
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Explosion breaks up into pieces

I'm following along with this video but my explosion looks like this. The explosion breaks up into pieces. I would like it to look similar to the video where big bubbles form in it. Explosion from ...
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Smoke Simulation - "border collision" is not working

I am trying to create some nice sprite sheets from blenders smoke simulation that could be used in game vfx. But the smoke always fills up the entire smoke domain, the "border collision" ...
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Quick Smoke for Ink Drop, but smoke is showing squares

I'm trying to use "Quick Smoke"-effect to create an Ink Drop scene. I've been following this guide: https://www.youtube.com/watch?v=zpYI6T4ILEo and everything looks great except that my ball ...
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how to create smoke, fog in blender 3.0 cycles

do any one knows any way of creating the smoke or fog that is in the below pic thanks
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Particle Sim does not look the same in render as in viewport

I'm trying to make a smoke effect, but some portions of the smoke just aren't appearing in the render. I created a mesh object cloud for the simulation to be rendered to, along with a wind field ...
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2 votes
1 answer
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Blender ball simulation question!

Do you know Maxim Zhestkov's artistic motion things? https://youtu.be/NY4TGDP4C54 I'd like to make some alive balls like this link Is it possible to make it in blender? I have the plan that balls ...
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How to add smoke detail in Cycles X?

I use 3.0.1 for render smoke. Settings Subdivision Domain 300 32 samples path trasing 0 all, 8 volume vorticity 0.2 step rate volume 0.1 And have result But I need this (under blue arrow). How can ...
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Flickering In VDB Animation?

I'm getting this very odd flickering in my VDB Simulation. I originally thought this was because of the denoiser. but upon further testing it is still flickering without the denoiser. I've tried ...
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How to rescale smoke domain without having smoke rescale

I'm fairly new to Blender, and I was trying to do an animation involving a smoke trail. The method I'm using is a UV Sphere follow a Bezier Curve, and then adding the quick smoke to the UV Sphere. I'...
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Hurricane: Smoke Simulation too rough and unnatural

I am trying to create a hurricane with a smoke simulation following a particle system. However, the Hurricane looks less detailed, it's blurry and also the particles in the reference image are much ...
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Fill Letter with Smoke - Smoke does not move

I want to fill a letter with smoke. The letter is the effector (Physics/Fluids) and inside the letter there is a cube as emitter (Quick Smoke). The letter has flipped normals so the smoke should stay ...
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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....
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Smoke won't collide with my mesh

here's an image: Smoke won't collide with my mesh, instead it goes through it. As you can see, my mesh has been given an Effector type: collision. What's the issue here?
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1 vote
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87 views

Why does my smoke appear as a cube in render

In Solid view its ok but in render view it displays as a cube. The same thing happens in both EEVEE and Cycles
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Fix smoke simulation in an animation

How can I fix this when trying to simulate fire+smoke in a dancing character? It looks like there are 5 arms, is there a way to create a smoother simulation when movement of the emitter is involved?
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  • 175
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Smoke simulation not visible

I'm trying to build a Hurricane using 3 smoke-emitting objects. One circle on the top and one circle on the bottom. Both objects have a particle system the smoke should follow. And there is one smoke-...
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How to predict fluid baking time?

Given the system environment (cpu, ram) and the .blend file, how could the baking time for a fluid domain be predicted?
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cant see smoke in render mode

I cant see smoke in render mode, but i can see in solid mode
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1 answer
92 views

Smoke doesn't seem to have initial velocity

I've been following this tutorial on how to make a simple explosion, I am using the same values, but I don't get the same effect. It seems like my particles have no initial velocity. Do you know what ...
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Wind has a weird stop in smoke simulation

I created a smoke explode; and added wind (30 lvl). In frame 32 of the animation there is a weird stop, and smoke changes color. But only in frame 32. How can it be fixed? https://youtu.be/...
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green smoke turns blue

After adding a gas domain and a planar, green (0, 1, 0) smoke inflow with an initial velocity, the resulting smoke is not green (1, 0, 0). This happens with every color except for (1, 0, 0) and (0, 1,...
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Smoke Simulation Appears in Solid View, But Not in Renders

I can't get my smoke simulation to appear in renders. It does appear in the viewport in solid view. Why won't this smoke simulation appear in the renders? This is the render on frame 766: This is the ...
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Cannot move imported Cached Smoke domain

I am trying to re-use a smoke cache but run into a problem moving it around. In a new .blend I create a smoke domain of the same proportions (and divisions) as the original smoke Point to the cache ...
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Blender 2.93.4 smoke very static and transparent

As title says, smoke is looking very weak and static... Furthermore it only updates when I update a Domain value, and it even stops working sometimes (after changing certain properties in the domain). ...
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White Cube instead Quick Smoke in Cycles

I see a cube instead of smoke. I wanted to use quick smoke in the scene, but I see this instead. When I create a new project, everything works as it should, but this project has such a problem. ...
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Smoke is very blurry

I have a simple smoke simulation (90 divisions), however render/viewport looks very blurry today (but was better yesterday, and I wouldn't know what I changed). Smoke Material is quite basic. I tried ...
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