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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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25 views

What settings FLUID are needed for this effect?

I want to make a cube out of liquid, but I don’t know how https://www.youtube.com/watch?v=E42gnQyBwd0&list=LLDT1JTIi8px_5wgMhidtzgQ&t=0s&index=19
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16 views

“Deform” metal in a thread-forming animation

I'm a Blender noob, hoping to use the tool to animate the type of fluid deformation that occurs when a tapping tool forms threads into metal. I've found this inspirational video that closely ...
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0answers
27 views

How to make a quickly dying smoke that eminants from a liquid

Hello Blender StackExchange, I am trying to build a sort-of mythical green liquid (a Fluid Simulation that mixes the Emission Shader and Subsurface Scattering shader), however, I was intending the ...
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15 views

Fluid simulation of phase change

If simulating liquid flowing through a pipe from left to right, and I want the liquid to turn into a gas halfway and exit as a gas, how would I go about this? Would an inflow/outflow body in the ...
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3answers
101 views

Blender fluid simulation “with drag” (simulating a pump)

I need to do a fluid simulation, where the fluid goes through a pump. The pump-model is build the way, that the intake is at the bottom and the output is at the top. I need a way to get the fluid all ...
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1answer
35 views

Cannot run simulation for smoke and fluid

I've been trying to render smoke and fluid simulations, but can't manage to get the results I'm seeking. The first problem is that the smoke and fluid don't simulate. The second problem is that the ...
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1answer
67 views

Is it normal to wait 50 min for baking a “simple” fluid animation?

As said in the title, is it normal for this to take so long? I have seen in this video it takes this guy seconds to bake (video: https://youtu.be/xIxUZpRk4Ac?t=147), he stated that he had a GTX970 but ...
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28 views

Water simulation, glass with water falling over [duplicate]

Okay, so if were to simulate a glass with water getting hit by a rock which makes it fall over, how can I do this most efficiently? The only way I can think of is first pouring water in the glass, ...
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1answer
28 views

Fluid simulation sticking through mesh

I'm having an issue with my fluid simulations. I'm a beginner, so I might be missing something obvious. I'm trying to fill up a cup with water, but the liquid is behaving very strangely (see below). ...
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0answers
28 views

The fluid in my scene is not simulating

I am making a fountain and I would like the water to flow from a gap in the chest of a statue to create the illusion of blood flowing from a wound. However, the fluid simulation is not working. I have ...
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0answers
21 views

Fluid Simulation

I'm totally new to Blender and I want to use it to import a fluid animation into Keyshot. I have been watching this YouTube video from Olav3D, and for some reason I cannot see any fluid after baking. ...
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27 views

Flip Fluid Addon - splashes are small and weak

I have tried following several tutorials and vids, but I can't find the right combination of Flip Fluid settings to make a decent splash. As you can see (attached) the splash is small and weak, rather ...
3
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1answer
485 views

How do I enable Mantaflow in Blender?

I have been using the internal Blender fluid system for a while now and it has been very frustrating so I'm hoping it'll be better with Mantaflow. How do I enable Mantaflow in Blender?
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25 views

Accurate modeling of a sessile drops (like dew droplets)

Is there some relatively easy way to generate drops, like dew, on a given object/scene? I'm interested in some kind of real simulation of fluid-surface interaction (would like to specify surface ...
4
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1answer
62 views

How to enforce planetary gravity on fluids?

I'm trying to make a scene with a few small planets, but when I went to make a lake/river I couldn't find any options to have the fluid's gravity be relative to a point (aka the planet's center). I've ...
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1answer
35 views

How to add floating particles to a fluid simulation?

I am trying to make a simple fluid simulation in Blender with floating particles in the fluid. I was able to create the fluid simulation, with materials and shadings to works. But I am having problems ...
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1answer
31 views

Fluid Simulator: odd behaviour. Cache problem?

First of all: I am new to Blender. I installed it today. After a few basic things I wanted to try out the fluid simulator. The first simulation worked fine, just like in that tutorial. The simplest of ...
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0answers
9 views

Export Frame From simulation as Object for Archicad

I would like to export frames of my choise from a simulation of fluids from blender as an object to but on archicad. Is ther any way to do so?
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1answer
57 views

How to make Daredevil dripping wax using liquid simulation [closed]

so i was wondering if anyone knows how to go about recreating the dripping wax effect as seen in the intro in the Daredevil show. Check out the intro: https://youtu.be/KFYFh8w4758 if anyone know i ...
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2answers
58 views

Flow water from one Object to Another

I'm fairly new to Blender but have done a fair few tutorials and starting to get my head around things. I've recently watched a Tutorial on Water Physics and had no issues following along and have ...
2
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0answers
45 views

fluid leaking through obstacles

I'm a beginner to blender, so please ignore my mistakes and be kind enough to guide me through this :) I've scene this question before, but never got a satisfactory answer. I'm working on two ...
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0answers
9 views

Fluid simulation wont bake with obstacle object and it shape

I have to main problems and that is | 1) the Fluid simulation doesn't work in obstacle 2) and even I removed the obstacle it won't take its shape of circular https://www.dropbox.com/s/...
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0answers
17 views

I can't seem to get my fluid animation working

I have been trying for a while to get a fluid animation to work, it won't bake or start if I press the play button. Here is the link to the .blend file. https://drive.google.com/open?id=14fnkyy-...
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0answers
21 views

FLIP Fluids Assign different materials to separate fluid objects

I am using the FLIP fluids add-on. I have four different fluid objects which I'd like to each have a different material but because they all are calculated under the same domain I they all have to ...
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1answer
51 views

Water flow looks like drops

Im a beginner to blender, so some settings are a bit confusing to me, please be kind enough to guide me to sort out this issue. In this animation, I cannot generate a water flow which looks realistic....
2
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1answer
83 views

Is the physics engine capable of reproducing this effect of a ball oscilating due to a water jet? [video] [duplicate]

So I have this video: https://www.youtube.com/watch?v=yq_qSWZDHHk I'm wondering, is it possible in a scene to add a water source on top and a rigid-body ball on the floor, and with the correct ...
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0answers
22 views

Chunky Fluid in Fluid simulation?

Is it possible to have "chunky" fluid in a simulation? I have been playing with adding particles, with a fluid simulation as the emitter, and not getting results I am looking for. The fluid simulation ...
2
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0answers
24 views

Weird dotted pattern in fluid simulation

I tried to simulate honey spilled from a bucket. The problem is that there is a dotted pattern on the simulation. What is causing this and how to fix it? The result: My settings:
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1answer
138 views

Blender MantaFlow … no visible result!

Im really wondering why the MantaFlow branch does NOT show me anything. What I mean ... I made a simple cube as a domain, than another one as an obstacle and finally a sphere as a flow. Leave the ...
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0answers
15 views

Control position of sloshing fluid via Python?

Is it possible to drive a fluid simulation with data imported from elsewhere? I would like to control things like the position of the center of mass. Control over the shape of the free liquid surface ...
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0answers
49 views

Realistic Liquid-Fabric Interaction

Good Morning everyone, I've a little personal challenge going on right now, trying to replicate as much as possible the selected showcase at tis year’s Siggraph. I'm completely unable to find a way ...
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0answers
69 views

The drool simulation

Can you tell me how to make the drool simulation like here: https://youtu.be/gR2OhFLkLM0#t=5m6s? Fluid simulation doesn't give sticky effect, it's just water. I tried to stretch mesh using softbody, ...
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2answers
101 views

how to approach making these granules?

Ok, so I have to make this product in 3D, Im fine with modeling and texturing the container, what Im not sure of is how to approach the granules inside the container, its almost like a rough sand/ ...
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0answers
31 views

Blender Fluid not taking form

So, I wanted to make a cool animation whith a cup of coffee, where the coffee is solid and cup suddenly splashes like water. I've got some problems. First, when I was experimenting with it, it did not ...
2
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0answers
40 views

Fluid leaks even through two thick obstacles

In short: My moving obstacle leaks all the fluid that it's supposed to hold. I have tried tens of changes in the parameters (and all the solutions to similar questions), but it's not going to get ...
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0answers
17 views

The Fluid Simulation Viscosity Preset New Entry Values appear not to Stick

How can the following problem be corrected? Problem The Fluid Simulation type of Domain has a Viscosity Presets list of values. Blender User can enter a new preset named [Preset A] with Base and ...
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1answer
61 views

How to make physical simulation of unmixable fluids (like oil and water) in any container

I wish to make an animation of pouring water over oil or vice versa. In physical simulation, how do I make oil thicker than water and make both liquids behave realistically when stirred and left to ...
2
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0answers
28 views

Imported Alembic (Animated mesh) I need it to have same # of vertices for fluid sim

I am working on a project where I plan to have multiple fluid sims running, I am having problems with my imported animated mesh, where each frame has different number of vertices. (This has previously ...
2
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1answer
33 views

Fluids simulation went crazy

I have a problem with fluid simulation. The project is pretty simple, I have just a domain object and an inflow object. The inflow object is supposed to start drop oilish fluid at frame #1100 and ...
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1answer
44 views

Speed of baking fluid simulation slows down drastically

When baking a fluid simulation the process slows down. The simulation has object of type inflow and object of type control. The speed of baking will go down from rate 1 frame/min to 0.06 frame/min ...
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0answers
12 views

Using a Character Mesh as a Fluid Obstacle

I'm trying to use an imported character mesh as a fluid obstacle. The only way I can get it to actually act as an obstacle is to select "Export Animated Mesh" in the fluid obstacle settings. (...
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0answers
30 views

fluid simulation fluid control. What are proper expectations?

Question What should be expected to happen in the following situation? A fluid control in some random shape such as asterisk character mesh or torus mesh is placed within the bounding box of a fluid ...
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1answer
30 views

Domain stays a cube when baking?

Whenever I bake my domain, it stays a cube. It does work when the fluid object is outside of a hollow obstacle I've placed it in. I've recalculated the normals, and tried resizing the domain, but ...
3
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1answer
124 views

How to make water wall effect?

Go you have any ideas how to make this sort of an effect? I've tried to achieve this using water simulation, but it didn't turned out well. Using a texture looks like rational, but I have no idea how ...
0
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1answer
30 views

Blender Compressibility Unit Question

What is the unit of compressibility in Blender?
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1answer
194 views

How to make a water vortex

I'm very new to Blender and I'm trying to make a water vortex like this.(may be not the easyest first project for a newbie) I watched several tutorial on liquids particle etc but I'm not sure what ...
0
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1answer
47 views

Obstacle on path does not interact with fluid

When I animate the obstacle with keyframes and in the animation the obstacle goes through fluid, it interacts. When I do the same with obstacle following the path, it does not interact. Am I missing ...
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1answer
113 views

How to create a rope [duplicate]

I have a buoy on the surface of a fluid simulation that moves around. It has no Rigidbody attached, only a few rotation and location constraints which should cause no problem. I am wanting to create ...
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0answers
40 views

Fluid is not coming out of the inflow

I am trying to make fluid come out of its out flow like a hose but for some reason the fluid appears in random places and drops to the floor instead of coming out of the out flow How do i make sure ...
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0answers
27 views

Fluid bake not working on higher resolutions?

I was watching this video: https://www.youtube.com/watch?v=zmw-BTCbWMw I have used all the same settings as the tutorial. However, when I change the fluid's resolution from 70 to anything above ...