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
0answers
698 views

Fluid not falling correctly on an obstacle

I've asked a similar question to this, but the answer for it (which worked back then) doesn't apply to this problem. I've got a Fluid, a domain, and an plane that has been deformed from a cube into a ...
0
votes
0answers
418 views

Baking fluid at high resolution doesn't appear

So I'm trying to simulate fluid. When baking at 75res, everything shows up fine: However, when I bake at 300res, nothing ever shows up: EDIT: The max. resolution that will actually display is 242. ...
0
votes
0answers
68 views

Help/advice on simulating paint drip over background movie clip

I'm working with a movie clip, and am trying to have a blue paint fluid slowly drip down from the sky (out of camera view), obstacle over some steps, then finally make it pool itself toward the viewer,...
0
votes
2answers
761 views

Export Fluid Simulation

I am currently abroad only with a Laptop. I want to render a few simulations, my brother was so generous to offer his PC, he is several hundred miles away sadly. What is the best way to export the ...
0
votes
0answers
178 views

Baking Fluid Domain Results of Draining Container Fail Above Final Resolution of 50

I hope to create a fairly realistic scene of water draining out of a container, revealing a moving object within. All objects have been set up with their normals checked for consistency and scale ...
0
votes
1answer
76 views

Multiple bakes are not working

I'm stuck with a situation in my animation for fluid effect. The first time i baked the scene to check rhe results of how things will be. Then I added another object as obstacle in my domain and baked ...
0
votes
1answer
1k views

Troubles with baking a fluid

Recently, I tried doing CG Geek's wine glass tutorial. Everything went well up until the fluid simulation part. Sometimes, the fluid doesn't bake. Other times, the fluid has some weird shape that does ...
0
votes
0answers
765 views

How to simulate molecular dynamics in Blender?

I need some effect like rustle or tremble or dynamics. I don't really know what's it in Blender, as I am a beginner. But I wish it could look like this. If to describe it as a scenario + how and what:...
0
votes
1answer
485 views

Why is this fluid being stretched into a line? [duplicate]

I was trying to simulate an animation of fluid flowing from one cup to another, but after baking the domain, there is this strange shape that stretch all the way out of the cup, and I wasn't sure what ...
0
votes
0answers
4k views

How to make an object to float on the water (fluid simulation, not ocean modifier)?

How to make the object to float on the water (fluid simulation, not ocean modifier) such as the leaf of a tree? I tried two options that work with ocean modifier (https://youtu.be/11F1NRpqrzY?t=8m43s ,...
0
votes
3answers
2k views

How do I get these animated obstacles to work right with fluid physics and prevent freak outs like this?

I recently tried to bake a fluid physics simulation with a mixing vat style setup. I did some basic parenting and keyframes to animate the stirrer, but the fluid immediately freaked out completely (or ...
0
votes
0answers
225 views

capillary waves and gravitational waves simulation

I'm a graduated physics student and I'm going to simulate capillary waves.I have recently tried COMSOL but I couldn't find any method or model which is related to fluid wave simulation and I spent ...
0
votes
0answers
40 views

Fluid not appearing in object mode or game "play" mode

Why does the fluids in my model only appear when I press render? I see video's where the person who's recording can see his fluid in object mode. But I only get to see the object that's supposed to be ...
0
votes
0answers
346 views

Making a stream in Blender

I'm trying to make a stream in blender. I have the stream bed with an applied displacement modifier, and an applied solidify modifier. I tried to use the fluid simulation, but it doesn't look the best....
0
votes
0answers
46 views

Do I have access to velocity fields between frames in fluid simulation

I have never used Blender before, I'm here to see if it can actually be beneficial for my case, I need to make a fluid simulation, but beside the simulation I need the velocity fields between frames. ...
0
votes
0answers
95 views

Rigid body simulation with a fluid spill simulation [duplicate]

I just want to make a simple animation of an tomato hitting a surface and spills over it like that. I already imported tomato object, made it rigid and it hits surfaces. I just don't know how to make ...
0
votes
1answer
42 views

horizontal fluid troubles

I'm trying to do a steady stream of liquid in a horizontal line. The idea is squirting out a straight stream of honey out of a nozzle. I've got gravity turned off so it never falls. I can't seem to ...
0
votes
1answer
154 views

how to create fluid simulation in glass?

how to create fluid simulation in glass?
0
votes
1answer
56 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 ...
0
votes
1answer
517 views

How to create a Spraying Effect

I am making drone animation which includes the drone spraying pesticide on plants so how do i make the spray effect as in spraying a fluid on the plants. Thank You
0
votes
1answer
313 views

Fluid Simulation problem, some frames render others don't

I simulated a fruit drop into a tank (blender guru tutorial) and when preparing to render, some frames of the simulation show up on rendered view while others don't or only partly show up. Why is this?...
-1
votes
1answer
132 views

How to get this splash effect in the fluid simulation?

I'm Tying to make this animation in which a cookie flies and splashes into a coffee cup, but something's not right. The cookie makes the fall in one and a half secod (If in 30fps) but even at 256 ...
-1
votes
1answer
658 views

Blender 2.92.0 crashing a lot during fluid simulation baking [closed]

Any fix for this? It appears to happen more often when "adaptive domain" is enabled, but not exclusively. Turning on 'noise' also appears to make it more likely of crashing. It's not RAM, I ...
-1
votes
0answers
29 views

My liquid simulation will not start in replay?

All of my settings are applied but it won't replay. I hit play on the timeline and it starts lagging slowly. There are no particles to show me what's supposed to be happening. My mode is on replay and ...
-1
votes
1answer
57 views

fire simulation don't show fire but smoke [duplicate]

Im trying to do a fire simulation. Although I have it as fire on setting Physics property panel, my simulation still showing only smoke. Can anybody please tell how to fix this? Thanks in advance.
-1
votes
1answer
24 views

uhh why does my fluid acting up like this? it was working before, the fluid came from the circle but now it looks like this, check the photo

I was just following a fluid tutorial and i tried it with a simple donut, it was perfectly fine at first but i feel like the result is very bad so i took a nother try. When i try to bake the fluid ...
-2
votes
1answer
26 views

Fluid simulation problem

I have set two fluid sims up with the same settings. The tall one is working and the fat isn't. Why? Blender file: https://drive.google.com/file/d/1RixIoagHAfQyhVYKxJgwd50fsP405hu0/view?usp=sharing
-2
votes
1answer
1k views

Mantaflow fluid bake at high quality?

I have been using Blender's fluid physics for a while now, and I have been wondering if it is actually possible to do a fluid bake at 1024 quality. What would this look like, and how could I achieve ...
-3
votes
1answer
54 views

Why do my models look broken?

This is just a simple liquid tank model. I'm doing this with a "path" and after convert mesh, bla bla you understand already what im say(just like a doing pipe). I'm adding glass material. ...
-3
votes
1answer
1k views

Fluid interacting with objects

What is the correct setting for fluid interacting with objects in the scene. What needs change in the obstacle panel in the fluid simulator. My settings right now are the object has the obstacle fluid ...

1
16 17 18 19
20