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.

Filter by
Sorted by
Tagged with
0 votes
0 answers
20 views

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.
  • 74
1 vote
1 answer
410 views

Fluid simulation not touching collision effector

In honor of spooky season, I wanted to test my fluid simulating skills by replicating the iconic bloody hallway scene from The Shining in blender. I was getting pretty far along, and then I kept ...
0 votes
0 answers
97 views

Odd Glitches in Flip Fluid Alembic Export

I've had this problem across a few fresh attempts, I am creating a fluid sim in flipfluids exporting said sim as an alembic appending that alembic into another .blend at which point it seems to ...
  • 57
0 votes
1 answer
118 views

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 ...
0 votes
1 answer
121 views

Smooth out MantaFlow Fluid

I'm creating a fluid simulation with Mantaflow and I am trying to understand why my result is so jagged. I've tried applying a Smooth modifier to the liquid object but it doesn't seem to result in a ...
  • 157
0 votes
0 answers
56 views

How to shade the liquid using Radeon ProRender Add-on?

I have bake a liquid simulation and want to shade the liquid. Yet it seems that the material is not showing.... I am using the Radeon ProRender add-on. What should I do to fix it? The file:
  • 35
0 votes
0 answers
72 views

From spilled fluid to standing shape: fluid simulation in reverse?

I am trying to animate a solid logo being formed out of spilled fluid, which would basically look something like melting in reverse. I am currently looking at simply reversing the fluid cache of a &...
  • 5,521
4 votes
0 answers
160 views

Liquid sim disappears when I resize the domain 2.93

I am a blender beginner so bare with me :D So i am trying to fill a Torus with water. I have added a solid modifier to the torus and applied it. Created a sphere inside the Torus and created a liquid ...
  • 51
0 votes
0 answers
25 views

Fluid Viewport/Render Inconsistency

The fluid in my render looks significantly different to the fluid in the rendered view in my viewport as you can see from the pictures. If you can't see the pictures, the fluid in the rendered view ...
2 votes
1 answer
76 views

How to amimate bristles vibrating on water surface?

I'm trying to recreate this kind of animation (reference video below) but I'm wondering the best way to animate the water at the bottom and the water drops. It could be, particles, fluid simulation, ...
0 votes
1 answer
30 views

why is my liquid simulation baked like this?

The liquid simulation looks like particles in the right image how do i make it look like the image on the left
2 votes
1 answer
269 views

Creating a blender water drop simulation

How to create a simulation where a water (liquid) drop falls in the liquid and bounces back up? Like shown here: I was unable to find any tutorials/guides about this on the internet.
  • 606
0 votes
0 answers
100 views

How can I give material to foam particles in fluid simulation?

As you can see, in the viewport, there are foam particles. But there are no foam after rendering! I'm using the default Liquid Domain Material. What can I do to show some "white" foam?
0 votes
0 answers
40 views

Fluid simulation not looking realistic: Fluid runs up the walls of the volume

I was running this for the third time and I am always getting a similiar result: A huge part of the fluid runs up the walls instead of filling the volume. I have attached a picture showing the mesh ...
2 votes
0 answers
31 views

creating a barrel, smoke + fire creeping through barrel

I am doing a test. I've got a hollow cylinder mesh that's supposed to represent a cannon barrel, and I have managed to get an emitter firing particles out of this cylinder. The cylinder constrains the ...
  • 191
0 votes
0 answers
22 views

Mantaflow water simulation leaving too much space between particles and colliders

I've been getting this problem where the water is colliding properly but at an offset. I've tried tweaking every setting and still nothing. No tutorial talks about it, nor have I found any posts here. ...
1 vote
1 answer
42 views

Fluid Sim - Changing fluid velocity at certain location

So I have a fluid simulation where I want the fluid to hit a specific object and then flow at a slower pace. I have an effector guide in the domain that has a velocity factor change but it doesn't ...
  • 11
0 votes
1 answer
57 views

Creating controlled fluids?

I want to have a fluid simulation with a controllable output direction, similar to a water gun. How can I accomphish this? Reference image: https://www.gannett-cdn.com/-mm-/...
1 vote
1 answer
64 views

How do I use a cloth simulation as a flow object in a mantaflow gas simulation?

I have a cloth simulation. I have a manta-flow gas simulation -- "quick smoke" with the cloth mesh as the inflow object. The flames do not follow the collapsing fabric (the goal), despite ...
0 votes
0 answers
76 views

How to simulate a controlled, steady flow of water, and then disrupt it with object collisions to get some "gentle" turbulence?

I essentially want to recreate the same thing this program does, but in blender: https://github.com/blackoffee/Shizuku It doesn't need to be physically accurate, realtime or even 3D (shader editor ...
3 votes
1 answer
117 views

How to make delicious homemade ice cream [closed]

I am working on a project for a client in which I need to make a short gif animation for a series of icons. One of these is an ice cream cone and for its animation I'd like to have a cone spin into ...
  • 31
1 vote
0 answers
148 views

Fluid Domain Box showing up during Render

I am trying to render a simple water simulation, where 2 inflows run down ramps, and then collide and fall down. Everything is fine in the preview, but when I go to render, it works fine for a few ...
  • 11
3 votes
0 answers
78 views

is it possible to make this in blender

I can't seem to find any videos explaining how to make something like this. All I find are videos on how to make fluid flow from something. Basically basic fluid stuff. But I'm wondering if this ...
0 votes
0 answers
48 views

Fluid causing ripples against smooth glass surface

I'm trying to achieve a "smooth" pour of liquid into this glass. However, after a while of tinkering (I'm a beginner), the fluid just won't be smooth against the glass: it keeps showing ...
0 votes
0 answers
45 views

How do I get collisions to function when using mantaflow fluid simulations?

I need help getting collisions to work in this fluid simulation. I tried increasing the resolution 256 in the domain settings. I tried increasing the subdivisions of the first collision object that ...
0 votes
0 answers
23 views

How to add detail to smoke on Eevee? [duplicate]

I made an explosion animation on blender but my smoke looks flat and artificial. Are there any tips to add detail and shadows to it? I want to render this on Eevee. I also added an image of how it ...
0 votes
1 answer
58 views

simulate an expanding galactic nebula star cluster

I am trying to achieve a galactic expanding start cluster and nebula. I have a bit working but it seems that it is difficult to get even light throughout. I am aware of postings like How to create ...
  • 3,506
0 votes
0 answers
58 views

fluid simulation not working: specifically the domain doesn't take the form of my flow object and the simulation doesn't start

I have selected the mesh option in the domain but the domain doesn't work and the simulation is not starting. Note that I made the domain huge in order to render a beach
0 votes
0 answers
12 views

Things (fluid sim) works at default blender file not in mine project

At first - Im new here so im sorry for everything xD Im working on my project for some time and it consist of several project files with different scenes in it. Its animation with spaceship falling. ...
0 votes
0 answers
58 views

Mesh requirements for Mantaflow effector?

I'm having trouble being able to make a mesh to use as an effector with a fluid simulation. No matter the shape I make (cylinder, cube or sphere with the top off and a solidify modifier applied to it),...
3 votes
2 answers
305 views

Simple water ball simulation?

So its seems simple enough but I cant seem to get the result im looking for. Its just a spinning water ball like the one seen in Harry Potter. I thought you could just turn off gravity and quick ...
  • 777
2 votes
1 answer
190 views

How to make Mantaflow spawn less fluid without resizing source?

I'm trying to get a fluid simulation working so that I can have a character who's basically always dripping (he's kinda made of fluid? It's difficult to explain). I want to use Mantaflow for the ...
2 votes
1 answer
247 views

What are particle settings for water spray simulation?

I was trying to recreate some scenes from James Cameron's Titanic. I wanted to make this scene look like the ship displaces water and throws water splash particles. I have used fluid simulation for ...
1 vote
1 answer
286 views

How to import numerical fluid particle data to Blender?

I have numerical files output from a c++ program for fluid simulation by solving Navier Stokes equation using particles, the file looks like this ...
  • 31
1 vote
1 answer
87 views

Why there are black patches visible in fluid simulation?

I created a fluid simulation that imitates a ship moving, creates splashes, and displaces water. I made this scene in a large-scale ocean and I've cleverly made it to imitate that the splashes that ...
1 vote
1 answer
378 views

Is it possible to stick fluid particles to a wall?

Is it possible to simulate a glue-like fluid to stick flat mesh wall? I've tried different settings to make it thicker and slower but it always slides down like wet cement. What should I try that ...
1 vote
0 answers
70 views

How to make a dynamic paint brush from a fluid domain so fluid sticks on effector objects like paint?

Problem Hi! I'm trying to make a paint splatter that gets thrown on an effector with many polygons, and lets the color of the paint stick to the surface it touches based on it's shape, cause that's ...
2 votes
1 answer
369 views

I want to make some sticky liquid

I want the liquid to stick to the surface of this cube, like fry batter, or rock tar.
  • 21
0 votes
0 answers
65 views

How can I save a frame of a mantaflow simulation and use it as a mesh?

So I’ve done a mantaflow fluid simulation, but I want only 1 frame of it and use it as a static object, is there a way to do that? I’ve tried hitting the convert button but that’s converting every ...
  • 13
3 votes
1 answer
54 views

Liquid Stabilisation?

After recently starting liquid simulation, I wanted to know how to stabilise the liquid after it is poured into another object(collision object eg. cup). No matter how many extra frames I give it, ...
0 votes
1 answer
223 views

Mantaflow doesn't look like water after baking

I'm fairly new to blender, and am trying to follow a tutorial with some fluid simulations. Every tutorial i see, once the fluid simulation is done and they go to rendered mode, it already looks like ...
0 votes
0 answers
30 views

Fluid Sim/Rigid body issues

I should probably start out by saying that I am fairly new to Blender. So I am trying to create just a simple ball rolling down some platforms while emitting water that interacts with the platforms. I ...
0 votes
1 answer
192 views

Why does my fluid have all this colors after baking? I assume it's a density/ velocity map but don't know how to disable it

Even in render view mode this colors appear. When taking a closer look they are actually particles on top of the liquid.
0 votes
1 answer
596 views

Blender fluid simulation not working after following step by step guide

i want to create a fluid simulation, but it didn't work as i expected. I was following this tutorial by CGCookie: https://www.youtube.com/watch?v=6B0QM4Cft5c&ab_channel=CGCookie First, I created a ...
  • 495
1 vote
1 answer
402 views

How can I make my liquid look like tea?

I'm following the donut tutorial from Andrew/blenderguru and got to the point where he makes the liquid coffee. Since I usually drink ice tea I tried to make the liquid look like tea instead, but it ...
1 vote
1 answer
227 views

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 ...
  • 11
0 votes
1 answer
72 views

Animating scale of Inflow object doesn’t work

I'm trying to make fluid slowly become a trickle and then stop (ie not animate the "Use Flow" button). I'm a mid level user of fluid simulations. So following this tutorial https://www....
2 votes
1 answer
211 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. ...
  • 1,351
1 vote
1 answer
207 views

How to control the speed of a Mantaflow fluid simulation in 2.93?

Time scale seems to work, but I'm unsure if that's the correct way to do it. In older versions of blender there was a "Speed" value. This is gone now. The reason I'm asking is because I'm ...
  • 1,351
1 vote
1 answer
86 views

Fluid Simulation does not follow collision object morphing with skape keys

I have an ice cube in my scene that is melting. I want a slow melt so didn't want to use fluid to geometry. So I have my ice cube with a flow object ontop of it acting as the water dripping from the ...

1 2 3
4
5
22