Questions tagged [smoke-simulation]
Questions pertaining to Blender's built-in smoke simulator.
882
questions
0
votes
0
answers
14
views
Vdb-export to blender not showing
using embergen 1.2.1, blender 4.0.2
i’m exporting a solid looking and working simulation in an vdb-format.
when importing into blender, nothing shows in the viewport.
the only way i got to see ...
0
votes
0
answers
12
views
Motion Blur makes smoke significatively more opaque
I have a smoke simulation already baked. When I try to render the image without motion blur, it renders normally, but when I enable motion blur, the whole scene turn into smoke.
I tried everything, ...
0
votes
0
answers
15
views
Smoke node tree and path help needed
I've been trying to create an airflow simulation through a tube system in Blender. I have tried for weeks using various solutions such as smoke simulations with physics and force fields to a variety ...
0
votes
0
answers
13
views
Smoke/Fire Simulation simulates Gaps between Frames
Hi, i want to simulate fire/smoke and it doesn't has a smooth transition, i tried increasing Sampling Supsteps, but since the Emitter or the Domain isn't moving it didn't change anyting.
I don't know ...
0
votes
0
answers
21
views
I'm creating cigarette smoke using Quick Smoke. Is there a way to make the smoke appear more wispy?
I'm trying to create cigarette smoke using Quick Smoke but it looks too much like a cloud of smoke. Is there a way to make it appear more wispy?
*image is a Cycles render using Blender version 4.02.
0
votes
0
answers
9
views
How do I bake the fluid sim if it does not have a particle system?
I've cached my fluid sim and am ready to export it. I tried selecting the domain and then exporting it as an alembic file but when I import the file into unreal or marmoset toolbag there is no ...
0
votes
1
answer
24
views
I baked the data for my smoke simulation but the smoke isn't showing up in the viewpart or render. BUT I think the data baked correctly?
I baked the data for my smoke simulation but the smoke isn't showing up. However, the domain appears small and constrained around the dissolve object at the beginning (image 1). After I press play, ...
0
votes
1
answer
50
views
Why won't my smoke animation work?
I'm trying to create cigarette smoke and it never works. I've looked at multiple tutorials to try and understand what I'm doing wrong but I'm not sure what I'm missing. Any suggestions?
Image 1: I've ...
0
votes
1
answer
20
views
Smoke simulation rendering very differently in viewport and final render (cycles)
I'm working on a render which makes use of a couple smoke simulations, which are rendered on their own view layer with most of the other view layers being used for indirect lighting or holdouts. In ...
0
votes
0
answers
15
views
How can I make particles have trails
I am making a jet animation and am trying to make a countermeasure effect, I have an emitter that emits glowing spheres (flares) and I want these flares to have a smoke trail, I tried doing a smoke ...
1
vote
0
answers
22
views
VFX explosions and shadowcatchers [duplicate]
I'm attempting to render an explosion to be composited into live action. The explosion is made using Blender's smoke simulation with an emissive volume shader as described in tutorials like this one. ...
0
votes
0
answers
16
views
Smoke noise creates weird pause?
So my smoke sim works fine until I add noise, then it creates this weird pause before it dissipates.
Here's the render: https://www.youtube.com/shorts/uecM8D57xzQ
and my sim settings -
any advice ...
0
votes
0
answers
15
views
Is it possible to not have that initial big burst of smoke when doing smoke sim
Im trying to do an airflow simulation with the smoke sim, but it always has that initial big burst of smoke rather than a smooth start
Im quiet new to using the simulations in blender so any addition ...
0
votes
0
answers
22
views
Why does my fluid explosion sim have odd artifacts?
Does anyone know why I get this odd geometric noise on my fluid explosion simulation? It's rendered at 256 samples with noise and .05 vorticity. Let me know if anyone has any ideas!
0
votes
0
answers
42
views
Exported glTF file looks not as expected
I've been building a 3D model of a burning meteorite with smoke to add it to my simple Three.js web shooting game.
I am pretty much happy with the look of my meteorite.
When I tried to export it as a ...
0
votes
0
answers
37
views
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 ...
2
votes
1
answer
284
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 ...
0
votes
0
answers
37
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 ...
1
vote
1
answer
40
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)....
2
votes
2
answers
236
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 ...
0
votes
1
answer
51
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 ...
0
votes
1
answer
67
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 ...
0
votes
0
answers
29
views
What are these ugly spots in smoke simulation render and how can I fix them?
Here are some images attached.
0
votes
0
answers
22
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 ...
0
votes
0
answers
39
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 ...
1
vote
1
answer
90
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 ...
0
votes
1
answer
17
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 ...
1
vote
1
answer
300
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 ...
0
votes
1
answer
73
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 ...
1
vote
0
answers
67
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 ...
0
votes
1
answer
66
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 ...
1
vote
0
answers
40
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 ...
0
votes
0
answers
24
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 (...
2
votes
0
answers
52
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 ...
0
votes
0
answers
28
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 ...
0
votes
0
answers
37
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 ...
0
votes
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 ...
0
votes
0
answers
22
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
0
votes
0
answers
38
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 ...
0
votes
0
answers
24
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 ...
0
votes
1
answer
95
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.
0
votes
1
answer
74
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 ...
0
votes
0
answers
45
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=...
0
votes
0
answers
65
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 ...
1
vote
1
answer
27
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 ...
0
votes
1
answer
87
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 ...
0
votes
1
answer
48
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 ...
0
votes
0
answers
26
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 ...
0
votes
1
answer
54
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 ...
0
votes
0
answers
93
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 ...