Questions tagged [smoke-simulation]

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

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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 ...
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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. ...
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Why does my smoke simulation not adapt the particle velocity? [closed]

So I might have a question. I tried recreating an old tutorial where someone does a flamethrower effect (https://www.youtube.com/watch?v=mlCwT5dgEXM&t=387s) but for some reason the simulation ...
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How to show multiple smoke domains with differing flow behaviours?

I need to keep all smoke domains displaying smoke. The screenshot's active smoke domain has Geometry set as flow behaviour. I've added it using the quick smoke approach and it was visible once Each ...
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How to keep smoke domains reliably visible?

I'm learning every smoke setting by creating a new fluid domain and cache folder for every single setting. Once all five domains were showing smoke. Now I'm unable to see the active (screenshot) smoke ...
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Smoke flickers at the beginning of the loop

Made smoke with quick effects -> saved it to cache -> imported VDB -> duplicated smoke to make a loop -> changed offset settings in each VDB. It kinda loops but at the beginning the first ...
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174 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=...
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25 views

Quick smoke animation by python invisible - Working by GUI

Opening Blender > General > Object > Add> Quick Smoke results in an animation displaying the moving smoke. As expected. Doing the same in python, displays the the smoke in frame 1, yet it ...
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Smoke Vacuum / Suck in Smoke

I´m trying to suck in smoke with a shipping container. It should represent air sucked into it, but I can't come to a good solution for it. I tried force field but it's really not exact and smoke goes ...
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How do you make one smoke inflow dissolve while the other not while still interacting with each other?

I'm trying to figure out how to do this. I wanted to make the sphere smoke inflow dissolve while the cube doesn't while still interacting with each other. How do I achieve this? Thank you.
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How to assign a material to a smoke domain

I am trying to assign a material to the smoke simulation I have created. For creating the simulation I added a cube, and I click object->quick effect->quick Smoke. Then I have setted the smoke ...
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How to change the start simulation time for smoke in Blender

I am trying to make a smokey text with smoke simulation. I am using particles systems to emit the smoke. I want my text to appear gradually for the first 30 frames and then the smoke simulation has to ...
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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 ...
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My Smoke simulation has this buggy blocky shadow

I have been tackling this problem for the last 2 days and I can't find any solution to it. So, I baked this smoke sim and test rendered it, It has some weird blocky shadow and reflection, I thought it ...
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duplicated Smoke emmiters

I am trying to do various smoke emitters on this secene, so i did one and duplicated it, but when i render they both emit the same, even if i have changed the size and the position of one of the ...
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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 ...
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How do you render just the reflections of smoke?

How would you go about rendering just the reflection of smoke? Im trying have smoke reflect off of text but not appear anywhere else?
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Why is my explosion transparent on Eevee?

I am sorry for not including information before. I recently made an explosion with a particle system on Eevee. In the image, you can see how objects behind it are visible.( I added a black cube and a ...
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48 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 ...
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Smoke going around object

I am make an animation of a space ship landing with smoke and fire but can't seem to get the smoke go around the ship in stead of through it. I am pretty sure it's a simple setting but don't know ...
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Smoke flow object color property is behaving oddly and changing color

I have two flow objects in one domain... one is green the other blue but both are color-shifting. The green one starts with a puff of green but the overall smoke comes out blue. The blue one does it ...
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After baking fire & smoke, particle system still looks likes particles

I have followed the tutorial at Realistic explosion but, after baking, my particle system still looks like particles and not like fire and smoke. Can anyone tell me what I'm missing?
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How do I make shell splashes and large calibre gun fire?

I'm working on a new project about a world war two destroyer called HMCS Haida. I've been playing around with particle systems and smoke/fire domains but all of my renders come out looking unrealistic....
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Smoke Simulation Problem. I can't describe it

...I'm at the end of my rope with smoke simulation in Blender. I've tried baking the smoke, but it doesn't work. The Blender version also doesn't matter, as this issue is a thing whether I'm in 2.8, ...
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What is the problem with this simulation or smoke domain?

Why it doesn't show the flames after I bake the simulation in the settings properties. Is there another general property that I'm not guessing well? What I've done> I've made a bezier curve to ...
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27 views

Smoke have cubes in silhouette

Its very important to me. I ask your help. I make explosion in space. Scale of domain is 600 meters. Version 2.93.4 I have cubes in smoke and this is not cool, this smoke is need use to film. How I ...
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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. ...
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Smoke renders only on CPU (Cycles)

First things first version: 2.93.3, branch: master, commit date: 2021-08-17 18:30, hash: 8b80d19f3641, type: release build date: 2021-08-17, 23:47:11 platform: Windows, Graphics Card: 5700 XT, ...
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28 views

How do I simulate airflow in Blender? [duplicate]

I am trying to build a simple simulation on the Blender physics engine that will simulate airflow in my PC case. Modeling a basic computer tower to scale in Blender was hard enough as it is (for me). ...
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1answer
24 views

Smoke showing in Preview, but not in finished render

I've been trying to render a weapon, with a passive red smoke behind it - smoke is showing up in the layout tab and is shown when the animation is played. But when trying to render it, no smoke is ...
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Problem with smoke domain when resizing

Trying to create fire sim but ran into a bit of a problem. The fire domain doesn't encompass the area that I want it to but whenever I resize it and then re-bake it the size of the fire ball also ...
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78 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. ...
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Blender renders smoke in preview but smoke not in video or image file? [duplicate]

I am rendering smoke, and all seems well until I open the output file in Premier Pro or Photoshop. The liquid in the glass renders (the smoke renders inside the glass) but as soon as the smoke leaves ...
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Smoke not rendering in Cycles - but is baking?! 2.93.1

I have created a potion with a liquid and smoke, when I bake the simulation everything is great, but when I try to render the animation, everything except the smoke renders? Help please!! I am using ...
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Does blender have a simple particle system method for smoke, etc?

I know about blenders mantaflow smoke simulation, but I'm looking for a more simpler way to do it like how Unity 3D's particle system works, or Lightwaves. Its basically just particles with sprites ...
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Domain created a separate mesh

Attempted to apply a quick smoke and fire effect to the default cube in blender but instead of setting the cube on fire the domain created a separate mesh and ran the simulation on that. After ...
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When I set High resolution, the smoke disappears

This is a frame when I set the resolution to 32: And this is when I set 200 How can I keep the smoke when rendering in high resolution?. Here is my file: https://drive.google.com/file/d/...
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Smokestack simulation

I'm trying to simulate the smoke coming out of a smokestack. I have had some success using the quick smoke tool to create a vertically rising plume but I've been unsuccessful applying a wind force ...
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22 views

Getting Vector pass output for gas simulation

As mentioned in the title, I'm trying to get the vector pass output for a gas simulation. I have a partial solution by doing the following: Bake the gas simulation with OpenVDB cache format Add the ...
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1answer
77 views

Why does my fire + smoke simulation look chunky?

I am following this particle explosion tutorial https://youtu.be/29yfS-icS3M and for some reason instead of looking nice and billowy and realistic, it looks like a bunch of floating chunks. My theory ...
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Smoke/Fire cards or simulations

HI I'm trying to create a really high quality cinematic in blender, In my animation there will be a bunch of boats on fire or smoking, (mostly) in the distance, How should I achieve a high quality ...
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76 views

Where can I find temp difference for fluid smoke simulation?

I'm following an old tutorial online on how to create liquid splashed using the smoke sim. But I can't find the Temp Diff setting in my version or it's equivalent. Could anyone help? I essentially ...
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38 views

How to make this explosion look less orthogonal?

Suggestions on how to make this look more natural without increasing the resolution too greatly? Trying to minimize bake time. https://youtu.be/gKrwqdeRbuY
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Grey cloud around smoke simulation?

I am getting a grey cloud around my actual smoke simulation. Do you know how can I solve this issue? Thank you
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Smoke Simulation in Blender 2.92

Disclaimer: I'm pretty new to blender, most things I say are mostly based on observations. So I was trying to make a Smoke + Fire simulation in Blender 2.92. The goal is to have a (UV-)Sphere emit ...
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47 views

How to slow down the flames with simulation?

I want to slow down the speed of flames. I am trying to create smaller flames but slower. Which simulation settings do I need to dial? I tried smaller simulation time steps but that made it worsts, I ...
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1answer
104 views

Multiple smoke materials which have intersecting domain

I have two objects which are smoke generators and their domains are unfortunately overlapping. Now, when I apply one material to one smoke, it gets applied to the other smoke as well. I have baked ...
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Mantaflow Smoke big and chunky

I am following along with this tutorial https://www.youtube.com/watch?v=t4S6xSLKHoY&t=375s Once he gets to the explosion effect part I start having issues. For some reason my smoke is big and ...
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Why my domain is rendering just like a box in preview? [duplicate]

Even when I setup the simulation using 'quick smoke' I always get just a box in the viewport: I tried to re-install and reset the settings and tried to use many different volume materials. In many ...
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Some of my fire simulation is dissapearing when I turn on noise

I've made a fire simulation for my match and I've got one shot with noise on that looks very nice but in a different shot, turning on the noise is making a large volume of the fire disappear and I can'...

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