Questions tagged [smoke-simulation]

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

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23 views

Smoke not rendering consistently in compositor (though looks fine in viewport)

Issue I have a smoke simulation in my Blender (v1.83.0) project. It looks how I want it to look in the viewport, and everything is baked. However, each time I render (F12), I see different results. ...
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Attempt at fire jet peters out after a single puff

(Possibly related to Fire sputters out) Hi all, I'm trying to create a sustained jet of flame using Quick Smoke; I'm using most of the default options but I've set the scene gravity to zero and I've ...
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18 views

Smoke simulation is not seen when I activate noise (Blender 2.83)

I'm trying to create a smoke simulation, but I'm having problems with the noise, basically until I activate it everything works, but when I go to activate and bake it I don't see anything viewport ...
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18 views

Pixelated/Blocky Effect in Smoke Render in Blender 2.82a?

Here is my rendered output of a small sample to demonstrate the issue I'm having: https://gfycat.com/obedientkindlyguernseycow When I look at any of this in Blender's rendered view, I don't see the ...
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fire and smoke kicks back in the final half of the animation when I add a wind force field

I am animating a rocket engine and I added a wind force field above the emitter, however when I bake and play the animation, the first half of the animation is fine, but when it gets to around the ...
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15 views

Viewport, Render Image and Render Animation all give different results

New to blender here. I was working on a simple fire simulation with cycles and I got what I needed in the viewport, but anytime I click render image or animation I get different results for some ...
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13 views

Problem with having two flow objects

I'm looking to have two objects shoot smoke out into the air, but when I put the two flow objects relatively close to each other, the left stream of smoke doesn't work as expected. The top photo shows ...
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1answer
50 views

rocket engine exhaust animation

I want to animate a rocket launch but I don't know how I would make the rocket engine plume/exhaust. I'm thinking fire/smoke simulation but I don't know if that would work. Thanks I have tried smoke ...
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12 views

Unwanted Smoke Simulation Jitter

I recently baked a smoke sim for my scene. The simulation itself is what I wanted, but the domain seems to jitter at random intervals as shown in the gif. It's not a child of any object that would ...
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9 views

Smoke sim looking blockly and pixely [duplicate]

I'm trying to make this simple smoke sim, but I just can't figure out what is going on. Instead of my rendered smoke looking smooth, it takes up this weird pixely effect. It feels like I have tried to ...
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29 views

Smoke sim extremely pixely/blocky

I'm trying to make this simple smoke sim, but I just can't figure out what is going on. It feels like I have tried to change every setting from Domain resolution, high resolution, applying scale etc ...
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19 views

How to render a smoke simulation separately from the scene it's in to then composite together in post?

I have a short 120 frame animation that contains a smoke simulation which uses 2 collision objects. It has a large bake file so I want to render just the smoke on my pc while the animation without the ...
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20 views

Fire Simulation, Rotomotion, Compositing

I have been working on a music video for a while, and have had this idea of making the artist burn up at the end of the music video. I have tried with simply making a geometry with armatures to try ...
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15 views

How to stop smoke from lingering around

I am currently trying to make an explosion with mantaflow. Everything is just working fine except the fact that the smoke just keeps lingering over the particle emitter/smoke inflow (from frame 160 ...
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1answer
37 views

OpenVDB does not show in render?

I was trying to render out a sequence with OpenVDBs imported from Houdini and all of a sudden Cycles stopped rendering out the actual volume but only the reflections caused by it along with my model ...
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Smoke Transforming with Bounding Box

I add an object, then add the Quick Effects Smoke to that object. The problem comes when I try to change the bounding box for the field of smoke. Any transform I do the the bounding box, gets ...
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1answer
22 views

How do i add mist to a cube spelling something

I am working on a project and need help adding mist or smoke to a text made out of cubes i need hhelp i will post my blender project below
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20 views

Strange white line artifact in smoke simulation

I am using a fire simulation on a match in front of a green plane which I am hoping will act as a green screen so that I can composite it on top of a white background however I am now getting strange ...
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1answer
23 views

Why does my smoke domain stretch the simulation?

Trying to set up a basic simulation and hitting a few problems. Will separate out into a few questions though. My first issue is when I resize the domain object for a simple cube using quick smoke, ...
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1answer
33 views

How do you make a fluid emit smoke and fire?

I am trying to make a liquid catch fire. However, I do not know how to make the fluid emit in the gas domain. A similar question was posted here: How to light liquid on fire? However, in the answer, ...
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1answer
56 views

Why is my fire simulation so light?

I have been struggling to get a match tip to actually look like it's on fire and no matter what material shaders I try, I can't seem to achieve what everyone else does, I can in other scenes, just not ...
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1answer
21 views

Can you control Explosions/ Smoke by frames?

It looks like I have little influence on what the smoke/ explosion does. Sadly it goes directly from Frame 50 to 700. What i want: Frame 50 to 250 smoke/ explosion reach the half of the final ...
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1answer
19 views

Smoke wont update when moving the source or resizing the domain?

I tried making a normal smoke simulation with the usual domain and the generator, the smoke starts the moment i click the quick smoke but stays in the first frame, when i resize the domain, the smoke ...
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13 views

Can you start Simulation From Already Simulated Frames?

I am using Blender 2.83.2, Just Trynna do Some Simulations. I have some heavy Simulations But "FREE ALL" in Mantaflow Cache clears everything saved as cache on the Disk. I have don't intend ...
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20 views

Smoke Flow Force Field isn't affecting Hair Particle System. How do I affect hair with a smoke flow force field?

I have baked a simple smoke-simulation which is affected by a wind force field, and a turbulence force field. It's looking great so far... Now I add a simple plane with a hair particle system and a ...
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28 views

Fire simulation is very weak [duplicate]

My fire simulation on a match tip is producing very weak flames so they aren't visible in the render. I'm not sure what is going wrong so I just included the entire file. Plz help, thank you.
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27 views

How to? Smoke Simulation Pressurized Steam

Can anyone suggest the best method of creating Pressure Steam in Blender? I have tried Mantaflow with little luck. here is a source image I am trying to emulate. thank you all.
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24 views

Smoke domain wierd problem when rendering (whole gray scene or no smoke at all or invalid smoke)

I run into really weird bug or i made some mistake. I am doing a small VFX scene. I made smoke coming out of tires(I know it's simple and easy) but the problem appears in rendering. I was rendering ...
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1answer
65 views

Airdiffusor water bubbles

I want to create a watersurface with airbubbles and white foam + wave produced by the air bubbles. I know i can use particles for air bubbles underneath the watersurface. But how to get the little ...
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1answer
47 views

Why will only this appear but nothing else?

I'm trying to make an animation where a sun spins, then explodes into a supernova and a black hole appears. But I can't seem to get the flares for the sun to stay and when I try to do a test render ...
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smoke simulation zooms in and crashes

smoke simulation zooms in and crashes. Viewport is rendering this fine, but when I render the animation the first frame renders properly sometimes, and other times it renders like on the right. Then ...
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16 views

One smoke domain, 2 sources -> result rendered separately

Blender 2.83 - Cycles I have two meshes as smoke sources and I want the smoke generated from them to interact with each other (therefore 1 domain) I also want to render the smoke emited from these 2 ...
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19 views

My smoke simulation always scales up with the domain?

I've been trying to create this simple explosion for about two days now with no luck. The smoke always hits the edges of the domain within a few frames of starting. I've tried countless ...
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1answer
14 views

the cache in physics isnt accessible for simulation

I am trying to learn smoke simulation however after selecting the object and doing quick smoke, the cache panel isn't being responsive in the physics tab for baking
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my smoke simulation doesn't render correctly in cycles

this is my smoke in evee rendered viewport this is my smoke in cycles rendered viewport when i rendered an image same thing happened. I used only principled volume node and attach to volume. my ....
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7 views

When I render the smoke simulation, I get weird colors and skewing in some frames

I'm trying to render a nuclear explosion and it looks good in viewport. But when I render, some frames skews the smoke simulation, and sometimes it's just all orange. I'm on 2.83. Nvidia Geforce GTX ...
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14 views

Explosion does not have a material

When I went to start making the material for my fire simulation there was no material. I am trying to create an exposion in Cycles and when I baked the explosion I went into the Shader editor to ...
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9 views

Adjust Domain Position After Bake

I am trying to adjust a very large smoke bake to fit other elements. The smoke was baked in a separate file with the reference objects, but I need to reduce the size and position of the domain to fit ...
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27 views

Smoke effect on lightsaber

I'm still noob at blender and i was trying to achieve this kind of smoke on lightsaber. I tried to play with force fields and was baking all and all over again but I'm not probably able to do it on ...
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11 views

Missing the “Bake Data”, “bake mesh”, etc buttons in the default manta flow stettings for Mantaflow [duplicate]

So, I needed a fluid sim for a project, set up the effectors and inflow, no problem, however, after putting a cube around my scene and setting up the domain modifier, there where no options to bake (...
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22 views

How do I get smoke to properly come out of an object and interact with an environment?

I'm only new to blender but I've modelled a room and used flow physics to make it collide with fluids. I've created an emitter through quick smoke, but it doesn't look like the smoke is coming from ...
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1answer
24 views

Joining animated model to a quick fire effect

I have been trying to join a quickfire effect sphere in evee with a model I finally found a way to animate but each time the model moves the flame does not follow it. Is there a way to join the sphere ...
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1answer
37 views

Mantaflow - creating smoke out of fluid particles

im trying to implement mist in my water scene, to do it im trying to use spray particles as a way to generate gas, but yet didnt find a way for it to work. I know it is possible in FLIP Fluid addon ...
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25 views

Auto Keyframe stuck 2.83

Today I was simply trying to do some rendering of smoke/particles. I ran into an issue however. The smoke doesn't actively move as expected. I realized the smoke effect was being keyframed (without ...
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18 views

Visualizing voxel data from smoke or liquid simulation in 3D viewport [2.83]

I'm using either the Eevee or Cycles renderers, and I am using the Adaptive Domain feature on a Fluid Domain object. I have set my Adaptive Domain --> Add Resolution feature to 100 voxels (cells). ...
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15 views

Smoke Invisible Except for Color Mapping in Viewport

This simulation uses a modular cache. With color mapping, it looks fine. The default appearance in solid view and cycles view both show nothing until I use fluid upres. Then, the solid view only has ...
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31 views

Mantafow not rendering smoke

I have a mantaflow smoke+fire simulation, It renders perfectly fine in the viewport however when I go to hit render, the smoke does not appear here is an example:(pictured) I have checked: Outliner ...
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17 views

Smoke With noise Problem

im trying to do a smoke Sim but when i activate the noise, the smoke volume get clipped as it see on the pic. im using one domain, one animated mesh with Inflow and two meshes with particles as ...
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12 views

When using the quick smoke effect the bake option is not showing [duplicate]

I used Eevee. I only changed the Border Collision and Vorticity (followed YouTube tutorial).
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15 views

Blender Smoke Simulation More Whispy and Thin When Holdout Transparency Enabled

I have a file in which there is a smoke simulation. It looks fine in solid view and in the render preview. I go to Film, check Transparency, and then use the holdout button (which is hidden) in the ...

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