Questions tagged [fluid-simulation]
Questions about the Fluid simulation systems in blender. Blender has two systems for simulating liquids, a SPH (Smoothed Particle Dynamics) system integrated with the particle system, and a Lattice Boltzmann method which can be used create a variety of simulations.
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Workaround for Resuming Fluid Simulation
Suppose I have a fluid simulation I have just baked and want another second of it.
Are there any drawbacks to applying the fluid simulation to the mesh (in the modifiers tab) then having that new ...
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my smoke simulation is barely visible in cycles
I am trying to do some smoke simulation so I tried it my self everything is good for now , but when I tried to bake it the smoke is barely visible As you can see in the pictures my settings , I want ...
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How can i remove the gap between this plane and my liquid mesh?
I have attached an image of my scene. On the plane, liquid effector is selected. I check "is planar" sampling substeps 50. Thickness is 0.00. DOMAIN SETTINGS: resolution division: 128. ...
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Liquid Simulation: Volume decreasing throughout simulation
I'm new to blender and I'm taking a crack at fluid simulation for a project. I'm trying to simulate a translucent whiskey bottle being lifted up and then pouring the liquid into a glass (the liquid ...
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How to create splash or spilling fluid animation from a glass of water
How can I create splash or spilling fluid animation from a glass of water? What is the best way to do it on fluid simulation.?
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Scatter objects on a fluid mesh
I'm trying to simulate the effect in this video: https://www.instagram.com/p/CtHEIhRvA36/
I started creating a fluid simulation and then I wanted to scatter some grass on the domain mesh;
The problem ...
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How to correctly import whitewater particles from fluid simulation (FLIP fluids)?
I exported a FLIP fluids simulation to Alembic (.abc) and imported it into another blend file.
The fluid itself works fine however the whitewater particles are not visible.
According to the docs, I ...
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How to achieve this water splash animation for any solid object ( suzanne for ex)?
I am really trying to understand mantaflow and water simulation in blender and I want to make a fluid animation that throws water on an object in blender (kind of like the 3D splash effect you might ...
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How to slow down and optimize fluid animation for a collision animation
I have a scene where a fluid flow object(a plane) is emitting fluids which is then affecting the main object. I am trying to animate the entire scene, but the animation is so fast I can hardly catch ...
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Prevent flip fluids simulation from generating random flying particles
I feel a little bit stuck on my personal project and thought that it might be helpful to ask for help here.
The thing is, I desire to make flip fluids sim flowing out of skulls eyes straight down(...
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Fluid gas simulation only showing in Object view, not Rendered view or in final renders [Cycles]
I have a scene with a straightforward fluid setup that seemingly works fine until rendering. After baking the sim I can see that the sim looks normal in Wireframe and Object view:
However it doesn't ...
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Fluid simulation on FBX file to three.js but animations are not showing! (How to make fluid simulation running on three.js)
I'm new to Blender, and I'm struggling for days on this fluid simulation.
I have made a fluid simulation that goes well in blender, but it doesn't animated when I try to load the animation through FBX ...
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Can I convert liquid foam or bubbles to point cloud and use it inside geometry nodes?
Can I convert liquid foam or bubbles to point cloud and use it inside geometry nodes ?
I'm trying to spread objects on liquid object , and I would like these scattered objects look like they are stick ...
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How can I make this glass more realistic?
I am trying to do a liquid simulation where the fluid is pouring into the glass but I'm not able to make the glass look realistic... Below are some examples:
Edit: Here is the .blend file
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Mantaflow fluid simulation - Why aren't spray and foam controlled by different elements?
I'm not sure there is an answer to this, but it is very frustrating.
In Mantaflow, I have tried adjusting practically every single parameter in the Spray - Foam - Bubbles section in an attempt to get ...
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How to create a simulation in Geometry Nodes pre 3.6?
UPDATE: Simulation nodes are now available in B3.6β!
In the recent week the Blender community became crazy on the particular geonodes hack, that allows you to create a simulation in Geometry Nodes ...
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Wind Tunnel Issues
Hello dear Blender users,
I'm pretty new to Blender and just wanna ask you for your support.
I tried to create a virtual Wind Tunnel, but I got some issues:
I don't have a solid stream of particles, ...
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Smoke Particles and Fluid
Taylor Swifts music video has these golden particle/fluid/smoke simulation. It is like a glowing pipe which has particles & smoke or fluid or both coming out randomly. I understand fluid ...
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Suction of water from a container
I am trying to simulate a suction effect where water is sucked out of an container, flows through a pipe, and comes out the other end. Any ideas on how to achieve this?
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Liquids flows to weird direction. (It flows toward one area of the domain object)
I'm doing some assignment with Blender to use physics simulation, and I found my fluids are flowing to a weird direction. The fluid was supposed to flow downward, because that is how it usually works, ...
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how do i delete .blendcache files from desktop?
I seemed to have deleted the files associated with the '.blendcache' files that can't be deleted or moved.
Any ideas are welcome.
After some checking, I think the files are generated by using the ...
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How to limit fluid cache to used frames
I’m using a smoke simulation in my scene (animation), but I only need to use the simulation after it has reached a certain state. It takes around 2000 frames for the smoke to reach the point where it ...
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No animation in Fluid Simulation
I work in version 2.82. I have a problem with mantaflow fluid. At the stage of preparing the file, after setting the settings - I can not play the animation of the water. When I click play, time ...
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How to stop a fluid action (beginner question)
I'm only partially a "beginner" I've done editing in Premiere, and a lot of 3-D shapes and camera movement in Blender.
I am learning to do a "Text Melt" and all is going well. ...
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Moving smoke animation on a more complex mesh
I'm trying to animate a sword that bleeds black smoke that falls, and I've followed several tutorials and looked across many websites and I am unable to find a solution. I am a beginner at blender so ...
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How to use fluid particles to drive smoke simulation
The fluid simulation creates a particle system in the particle tab.
The smoke simulation can use particle systems to create smoke.
I cant seem to get the fluid simulation to drive my smoke simulation.
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How to decrease the size of particle for fluid simulation(2.9)?
I'm following this YouTube tutorials and making fluid go through the pipe.
https://www.youtube.com/watch?v=3ChtnI8GNtM
When I make pipe very thin (e,g, 0.03m in diameter), then particle size of fluid ...
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Why is my Mantaflow render stuck at Updating Lights?
Hey guys, I am currently following this tutorial:
https://www.youtube.com/watch?v=ZNb8I4v53-A&t=962s
For some reason, even though I have a gaming pc (specs below), my render is taking too damn ...
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Make particles interact with a flip-fluids simulation
I want to make a particles from the particle system to interact and create ripples on the fluid simulation. Again I'm using flip fluids. I tried setting the emitter as an obstacle and tried to set the ...
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Combination of rotation around fixed point and waves
I am new to Blender (downloaded it this week) and I am currently modeling a very basic wave energy converter. It is supposed to move up and down with the waves and pivot around a rigid connection ...
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Simulation of dust from landing on the moon
I'm doing a moon landing animation and I need to simulate dust. The lunar module lands and as it approaches the surface, the rocket engine blows dust in all directions. The lunar module lands and the ...
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Cloth not falling
I have just been following this tutorial of how to make simple clothes (the jacket) which should involve sewing
https://www.youtube.com/watch?v=W9GDWKzf1mc&t=758s
I followed all the rules as best ...
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How to instance/copy smoke sim?
I made a smoke sim on hanging pot in Sponza scene. Now, I want to make instances of this sim.
I also tried saving Final openvdb baking but when I import it, it give error like failed to load: ...
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Fluid sim showing multicolor particles. How do I turn them off?
I'm a noob in blender and I've encountered this before but don't remember how i fixed it. The fluid shows these multicolor heatmap like surface in viewport.
Renders the domain as a cube instead.
I ...
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How can I copy physics (not rigid body) to multiple objects
I have 774 fractured pieces and I want them all to interact with a fluid simulation (flip fluid), however I can’t find a way to make them all physics objects at once, and I don’t want to go through ...
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How to make a dripping text effect in blender 3.0?
I was trying to make a fluid simulation following this tutorial but fluid settings were changed in blender 2.8 and I'm at a loss. I don't know how to break the fluid into small drips like in this ...
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Fluid simulation gives a obscured render when active fluid particles are absent
v3.1.2
I'm arranging a scene where a water fountain will pulse on and then be off for a while.
At some points, there may be no water particles inside the simulated Domain. However, the rendering at ...
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Is it possible to affect a cloth simulation with fluid simulation?
I am trying to simulate fluid on top of baked cloth simulation. It is even possible?
I have got a baked cloth sim with a FLIP Fluid physics sets to obstacle and a sphere set as fluid that drops on top ...
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Physics cross-simulation interactions?
For example, rigid bodies and fluid. I know it's kind of possible by setting the rigid bodies as fluid obstacles, but it's not "true" interaction in that the fluid does not affect the rigid bodies...
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My Whiskey Liquid has waves
I have recently started learning how to create liquids in Blender, and I've successfully created one, however, it was meant to be Whiskey so I wanted it to sit still in the glass as water does.
As you ...
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How can you procedurally generate objects with physics in the same area?
I have a truck and thousands of coins to pile on top of the truck bed. I basically have the coins stacked in rows and columns. However, I noticed that the higher the coin drops, the harder the ...
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Changing the impact angle of drop in liquid simulation from 90 degrees to 45 degrees
Setup: I've set up a regular fluid simulation with an emitter above a 'pond' and an effector to keep the "water" in place. (blue arrow in the image)
When I run the simulation, the drop goes ...
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When the water falls, the area of the water narrows
When the water falls, the area of the water narrows.
I want to make the water fall in a straight line, not in the middle.
What settings should I adjust?
Only the size of the inflow cube was adjusted, ...
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text turning into a liquid problem
I want to transform a caption into a waterfall, but I can't.
I tried in 2 ways:
The words become liquid, but for some reason, a letter or two does not become liquid, and I have no idea why. I haven't ...
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How to make hot-wax-fluid simulation like on the example?
I can't figure out how to simulate hot wax. I can adjust the fluid, but how do I do the cooling process? When it falls to cool slightly, the consistency changes.
Does anyone have any ideas on how to ...
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Water not rendering
I have created a water simulation by using a domain object, an effector object and one inflow and one outflow object. When baked, the animation plays in the Blender viewport just fine. However, when ...
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Fluid Simulation - fluid quantity
I am working with Fluid Simulation, and I am struggling with some of the settings. I read through the manual on blender.org but I haven't found a solution for this.
I am trying to add fluid in a "...
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No "Final" option under Physics Properties > Cache > Type
My question is pretty simple. In all the tutorials I've watched at some point the instructor says to set the option Physics Properties > Cache > Type to ...
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My fluid domain still visible, even after baking. The FLIP particles are clipping through the box mesh
My resolution is 200, after seeing so on another tread.
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Why Does My Fluid Sim Suddenly Explode?
I've been fighting with this sim all week. After attempting mantaflow for literally years now I still don't have a handle on how it behaves. Is it mantaflow, or is it me!?
That said, I have a basic ...
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