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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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Best Way to animate lake

I have created a water simulation and set a cube inside the domain to fluid. I was wondering what the best way to make a big lake of water (with realistic ripples) would be. No tutorials seem to go ...
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35 views

How to generate a realistic fluid sim splash?

I'm trying to have an object splash into a fluid, but I've been getting pretty strange results out of my fluid sim. The most frustrating is the effect in the gif below, where the "splash" awkwardly ...
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33 views

Box filled with candies - particles overlap

I created a box and I want to fill with particles objects. The problems is that the particles-objects are overlapping. How can I create dynamic particles, where each one interact with the each other? ...
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1answer
28 views

A fluid artifacts, strange long splashes. What am I doing wrong?

I've checked all the normals, meshes, tried to redraw all, scale down the fluids, tried clean blender installation, another computer with a fresh 2.76 blender. The results are similar. So I guess ...
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1answer
60 views

How to simulate in blender, smoke coming out from a bottle or a flask?

I want to create in blender an animation. It is possible to simulate the smoke that coming out from a bottle? I attached here my blend file. https://drive.google.com/open?id=1rL1v4v-...
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11 views

Boids particles are being erratic/freaking out?

Ok, Im trying to create a flock like this tutorial: https://www.youtube.com/watch?v=nJT9zRi56w0 I have everything basically the same other than size, which shouldn't effect anything. Where the ...
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13 views

ReBake a fluid Simulation?

Following problem: I have a fluid animation which works after being baked. Now I change some detail, the inflow velocity or the inflow type for example, but when I hit the bake button again the ...
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1answer
45 views

How can make objects invisible in only certain areas?

I started to study blender recently, and I was just making some experiments with fluid simulation but I was stuck with this problem.
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13 views

Converting Particles Into Fluid

I wanted to ask if there is a way to convert a particle system to a fluid? Is it possible?
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1answer
40 views

Why is fluid not entering this hollow object?

Pouring water into a cup. The cup does not have a lid, but the following situation is shown. How can I solve this problem? Here is the .blend file: https://drive.google.com/open?id=...
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2answers
103 views

Blender as a fluid dynamics simulator

I want to ask if I can use Blender as a fluid dynamics simulator in a physics school investigation to determine for example the space travelled by a particle moving through a fluid, varying the ...
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1answer
153 views

How to Create Connecting & Disconnecting Fluid / Bubbles?

I'd like to create this simulation in Blender, with different connecting and disconnecting bubbles splashing with fluid sims. Is it even possible? Do you please know what option in Blender creates ...
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Why are my particles behaving weirdly? Resting in odd shape, ignoring passive rigidbody mesh

I try do do an animation where a rock gets grinded into powder. for that purpose i created a particle system that spawns the powder over time. Because i want to rotate the bow later and pour the ...
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25 views

Make a cloth influenced by fluid?

I´d like to have a mesh, which behaves like a cloth, cotton or so which is in front of a tube, in which I simulate water. Now when the water exits the tube, I want the cloth (which is pinned at two ...
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1answer
48 views

How can I melt an object and displace it horizontally?

I would like to melt an object that is inside an other object and displace it horizontally. It should simulate liquid wax being ejected from a solid wax cube so it cannot be completely liquid and ...
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18 views

Fluid smulation start Time

l want to make a water simulation. The fluid simulation should start after 600 frame but when l setup to simulation it starts immediately at frame one and l want it to start at frame 600. how can l ...
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16 views

Fluid sim problrms :C

Ok guys, Im not sure, if i understanded the basic system of fluid simulations in blender. So to my case, this hemisphere is assigned as fluid, the bowl as obstacle. Now I would assign the box as ...
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0answers
36 views

Floating objects in a physically correct way

How can I float an object in a fluid? For example I have a fluid container and a ball placed in it. Then filling the container through a pipe with fluid and I want the ball to float based on its size ...
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1answer
15 views

Fluid sim silently fails at high resolution

When I push the resolution of my fluid sim to say 300 or more it will run for a while - about an hour then just quit, no errors. The remaining frames are not simulated and the domain turns back to a ...
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1answer
48 views

Make an object into a fluid

i am trying to make a fluid simulation of a metallic text melting to the floor and doing...you know, do what fluids do. My issue is that if i make the text a fluid and bake it, the shape gets ...
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19 views

how to soft deform multiple spheres into a base shape [duplicate]

i'm trying to recreate this effect: (Credits to Joey Camacho, https://shop.rawandrendered.com/collections/prints/products/in-formation ) I tired to use multiple soft body sheres falling into a cube, ...
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17 views

Fluid simulation obstacle collision

I am playing around with a fluid simulation however as you an see in the picture the liquid is not touching the bottom of the pool. Instead if collides at the height of the pool border … I created the ...
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0answers
220 views

Adding Add-Ons to Blender 2.8 Manually

I want to fill a glass with water and smash it. Fracture ADD-On unavailable. Need Alternative or a way to add it in 2.8 I just started in 2.8 but looks like the fracture add-on is unavailable. Is ...
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1answer
25 views

Fluid animation timings

I want to make a short animation, of which one part is a drop falling and hitting a surface. Now I want the animation to begin at 300th frame and since I am using the default 24 fps, the start is at ...
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1answer
52 views

Fluid simulation leaking through obstacle

In this project, water is leaking from the walls of the waterwheel and it doesn't look realistic at all. I tried so many possibilities but nothing worked. please help me to make the water looks ...
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28 views

How can i export the liquid physics in Three.js?

Please Let me know any format which helps in exporting physics
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23 views

Make Fluid Invisible for amount of time

Hellow, short question: How can i make the Fluid domain invisible for specific duration? I started the fluid simulation on frame X so i need to get rid of the cube for the first X frames. Im using ...
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0answers
38 views

How to inject fluid into a mould?

This is the mould I made by designing the required component in CATIA, converting it into .stl format and importing it into blender and boolean operations on cuboid.(https://i.stack.imgur.com/OvBEM....
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0answers
18 views

“Deform” metal in a thread-forming animation [closed]

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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34 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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3answers
123 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
57 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
100 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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1answer
49 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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33 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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44 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 ...
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1answer
679 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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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 ...
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1answer
84 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
57 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
44 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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1answer
77 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
73 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 ...
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64 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
19 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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27 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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57 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
93 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....
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1answer
106 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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34 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 ...