Questions tagged [smoke-simulation]

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

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Weird fluid render in sheep it render farm for the simulation [closed]

[![enter image description here][1]][1] Weird result with fluid simulation while rendering in sheep it render farm Any idea why there are blocky cells?
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6 views

Is there any shortcut to recalculate smoke/fluid simulations?

While working with smoke/liquid, I often have to go to cache and press "Is Resumable" twice in order for parameter changes to update the simulation (the workaround I found so far). Is there ...
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1answer
16 views

How do i have my fire simulation have a better framerate/ quality?

I'm relatively new to blender, so I do not know entirely how to use it. I followed a fire simulation tutorial to a tea, however my frames would only go to 8 frames per second and the quality of the ...
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6 views

smokefluid simulation without “quick smoke” does not work

I made two simulations: One with quick smoke that works fine in rendering (left) and one where I manually made a fluid-domain and a fluid-inflow object (right). Both work in solid view but only the ...
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1answer
21 views

The smoke domain is completely filled with smoke

The domain is filled with smoke before the simulation started.
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1answer
19 views

Baked data 'not exact since frame -1'

When I set simulations(tried smoke, rigid body, hair dynamics, and cloth so far) to start at negative frames, I always get this message above the bake buttons: There's also a gap in the bar on the ...
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1answer
12 views

2.92 Fire & Smoke Definition

Using 2.92, trying to work on outdated tutorials and struggling. I have my subdivisions set at 1052 so there’s no reason for the fire and smoke to be blurry, but it still is. There’s no colour mapping ...
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15 views

Quick smoke not working

I was just trying to add some smoke to a scene I made (I'm fairly new to blender and 3D), following a tutorial (then another one saying the same thing), but it doesn't seem to work the way it should. ...
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19 views

Why Fire + Smoke simulation doesn't work?

And yes, I saw another post asking this, but the OP answered his own question and the explanation is beyond my understanding. Trust me, I don't like going here every time I found difficulty. So I am ...
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23 views

Smoke simulation disappears after 10 to 20 frames

I'm trying to understand how mantaflow works. Every time I create a smoke simulation the smoke disappears after a couple of frames. It seems the simulation is still calculating all the data since the ...
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1answer
26 views

Baking Simulations in Blender 2.91.2

I've just installed 2.91.2, and I can't find the "bake" button for smoke sims. In previous versions, it was in Physics Properties under Settings. The manual says it's now in the Cache List,...
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16 views

Why is my mantaflow fire + smoke not appearing in render view mode?

Thank you to everyone in advance for offering to help out here. I am wondering why my fire + smoke simulation is not appearing in render view mode. When I am in Solid View or Wireframe mode I am able ...
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1answer
22 views

How to recache a simulation

What is the proper way to re-cache a simulation? I got the problem during Cloth and Fluid simulations that the cache is ignoring my new adjustments in the parameters. I'd like to just switch off '...
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1answer
26 views

Blender 2.91.2 Mantaflow fire + smoke simulation doesnt fully render in Eeevee (very little smoke and no fire at all) vs in solid object

I tried cleaning cache and changing its location to somewhere else, tried modular and all baking, still same result. I tried changing to cycles but same result. If needed, I am using AMD R9 380 4GB. ...
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16 views

Fog looks like sparkles?

I want to add some fog to my scene but anyway I do it, it looks weird. I want the top castle to show through the fog. But it looks like a bunch of sparkles instead of fog. I tried to do it with a ...
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23 views

2.91.2 Smoke simulation just cuts off [Cycles]

I've been experimenting a bit with smoke simulations and now I have a simulation that I'm relatively happy with but after some frames the simulation just cuts off and disappears immediately. I've set ...
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18 views

Far away rocket smoke simulation

I am making an animation where a drone in the distance fires a rocket and the rocket's path goes towards the camera. I have a large domain for the smoke sim. I have a small ball at the back of the ...
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27 views

Fire animation doesn't work in small size

I am trying to animate a fire from a cashew nut (dimensions x = 2 cm, y = 1.45 cm, and ...
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0answers
21 views

Fire is made of square blocks even with relatively high resolution

I've consistently ran into this problem, which makes me almost 100% sure it's something simple that I'm screwing up. I've looked around forums and found people having somewhat similar issues but ...
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1answer
29 views

Speed up I/O when using cached simulations

I'm experimenting with fluid sims, so I've been baking and rendering the whole day. One thing I've noticed is that the I/O seems to be really slow. Like really slow. I'm only rendering at 30 samples ...
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3answers
33 views

Cycles not rendering Principled Volume emission smoothly

I am trying to render emissive lights in my smoke using Principled Volume node in Cycles render, but emission light is not rendering correctly. When I set emission to 0 Cycles renders volume material ...
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0answers
17 views

Smoke+Fire sim for thruster using wind

I'm having a problem with the smoke and fire sim, after a few seconds the thrust stream "explodes" and then only sparks appear. I used a plane as inflow and a cube as domain, all with ...
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0answers
15 views

Blender 2.91 Smoke Sims and Marmoset Toolbag

I'm sure this question has been asked many times before, but is there an easy way to "export" a smoke simulation to be used in Marmoset Toolbag 3? After a lot of googling, I know that you ...
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26 views

Mantaflow smoke and fire looks weird

I tried folowing this tutorial (https://www.youtube.com/watch?v=YCdQgREfVq8&t=362s) Im at 6:15 And my smoke ball looks nothing like his. Mine looks like this Ive seet my baking resolution to 150
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103 views

MANTAFOLW - Realistic Dirt/Dust trail

I'm following the "Making Realistic Dust trail" question which is not accurate for today blender smoke sim interface. I try to reproduce this answer for cgslav but in blender 2.9 which does ...
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30 views

I can't see or operate the smoke in my scene, why? (Simulate a smoke machine) blender 2.90

I can't visualize the smoke correctly, I have performed all the steps and seen some tutorials and the other question here; both as a quick effect and manually generating a domain, after having ...
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1answer
30 views

Is there a way to control the start and end of quick effects?

I’m an making a little scene with quick effects: cell fracture, explosion, smoke. But can not find the way to put a time frame on them. Is there a way to control the time for these quick effects? ...
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34 views

Blender 2.91 smoke look fuzzy while I want it plain and smooth

Blender smoke look fuzzy while I want it plain Hello everyone, it's my first time doing this so I don't really know If I'm doing this right but here is my problem. I'm trying to simulate a character ...
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1answer
25 views

Where is Smoke in 2.83.10?

I am trying to create something that requires the Physics > Smoke and it's not shown on my physics panel. The version I'm using is 2.83.10 and I have included a screen shot of my physics panel and ...
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31 views

Baking explosion sim on M1 chip

I can't seems to bake my sim? I setup a smoke domain to make an explosion in but the bake button is gone. Have I done something wrong or is it because I'm running blender through Rosetta 2? Any help ...
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6 views

Particle system to make smoke simulation (ERROR)

I am making tornado VFX in blender 2.65, there are two separate particle systems. One at the top, and one at the bottom. I have completed the top part of the tornado using the same method as im trying ...
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1answer
26 views

Blocky smoke simulation doesn't change shape or makes a dark flash

I've been trying to make several smokes simuations. I'always end up with 2 types of results : 1st one is this strange compact & blocky smoke that never change it's shape even if going upward.......
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1answer
19 views

Apply Same Smoke Settings to Other Objects?

I am using more than one smoke domain. I create a new mesh, and then I add quick smoke. My previous smoke domain is all set up with the settings I want. Is there a way I can select both of them and ...
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1answer
33 views

How do I hide the domain of a smoke sim?

I can't find a way to hide the domain in a smoke simulation. The simulation is baked but I dont see a way to hide the domain. Here's what the render looks like And this is the physics settings
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1answer
43 views

what are the pros and cons of using particle systems when simulating smoke/fire?

ive seen many tutorials where a particle system is used for the smoke simulation. what are some reasons to use particle systems and not directly simulate the smoke? what are some instances where i ...
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24 views

Liquid not showing after the domain is resized 2.91.0

Every time I try to create smoke or liquid simulation the smoke or liquid dissapears permanently after I resize the domain. I have tried: Applying scale to inflow, domain, inflow and domain; Using ...
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1answer
380 views

How to create a fake fire/flame?

I'm attempting to fake a couple flames on some candles. Since my scene is already pretty intensive, I think that doing a fire simulation would just add more to render times. Trying to use a ...
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1answer
112 views

Help with smoke and liquid simulation in Mantaflow

Original Post This is the problem that led me to post this. Whenever I scale the domain of a smoke simulation, the inflow object's smoke also scales up/down. Applying the scale of the domain does not ...
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10 views

Smoke simulation Dissolve Time(?) error

My smoke simulation is acting as if the dissolve time changes even tho I haven't touched any settings. Some examples below: Frames 142 239 and 351
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16 views

Smoke not following particles properly

I'm trying to add some smoke to the train and I've set up a particle system to simulate how I would like it to look, but the smoke won't follow it no matter what I do. I've changed the emitter's flow ...
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35 views

Mantaflow : Fire disappears for one frame then comes back

I am currently making an animation of a rocket launch, and I'm using mantaflow to simulate the engine fire. After getting the settings I wanted, I baked it and it looks good, but on several of the 200 ...
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34 views

Fire Showing in render preview but not in render

I have made a Fire and smoke simulation in blender and all looks great in the viewport render, but when I try to actually render it, it doesn't show the fire, only the faint smoke I am using cycles ...
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35 views

Smoke/Flame clipping trough the object in Eevee

Smoke/flame in eevee clips trough the object. I have tried higher divisions on domain, 4-6 timesteps, volumetric lighting and shadow samples at 256, volumetric tile size is 2px, volumetric clipping is ...
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18 views

Need Python script to render a Mantaflow domain (randomly accessed) sequence in an externally specified order from a defined camera path

I have a working animated Blender file that contains a Mantaflow domain and a camera path. The domain contains 15 states stored in a cache directory and the camera path (Bezier curve) has 180 ...
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24 views

How to make smoke come out of picture?

How can i make smoke come out of the picture? i only want it to come out of the cigarate part. I also only want the picture to rotate on the z axis and the smoke to keep coming out of the cigarete as ...
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49 views

Mantaflow Initial Velocity 2.83 vs 2.9

I'm working on some explosions and have been using the initial velocity for some of it. When I installed 2.9 it seems like this setting is either not working, or is very much different. I can stick ...
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9 views

How to make smoke follow the color of the particles

I would like to achieve a similar animation to this: I set up a particle system with an explode modifier followed by a fluid modifier. What I would like to do, if it is possible, is to assign for the ...
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1answer
202 views

Smoke looks blurry even though resolution is set to a high value

As you can see, smoke looks very blurry. I have tried everything people said on other forum, but since the way blender simulates smoke has recently changed, most of it isn't helpful. This was with ...
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28 views

Can you make particles affect smoke?

I would like to have my smoke being moved by particles flying through the smoke domain. Regular objects work with fluid physics enabled and set to effector -> collision type. The smoke gets dragged ...
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1answer
75 views

How can I make any mesh be filled with smoke?

I tried putting volume scatter and other nodes into the volume output in the node tree of a monkey but it creates a cube of volume around that monkey, how can I make it so it's like a monkey shaped ...

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