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Questions tagged [force-fields]

Force fields can be used to add effect to many of Blender's physics systems (Such as wind to blow particles and cloth, turbulence to smoke, etc.)

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Can this Houdini curl noise flow effect be done in Blender?

Can we make the particles flow across the surface of a sphere like this? Maybe using forces? I tried using a negative force field to attract the particles to the surface and tried using the vertex ...
Jamir Alam's user avatar
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tensor flow / deformable grid

I am trying to make a grid that i can deform, by adding points that acts like a magnetic field. Is it possible to create a grid that i can manually/auto deform like this? I need it to be one ...
Alex bries's user avatar
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Multiple independent force fields

I'd like to simulate the CO2 adsorption process in several spheres (nanoparticles). I am able to do it in one, but I am struggling when adding a second, third, etc... mainly because when introducing a ...
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Making particles wander around on a plane

How do I make particles exist on a plane and make them move around on the plane by using a force field? I want to create something similar to this, but in blender so I can change the properties of ...
Travis's user avatar
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Customized Force Fields - Modifying collosion options?

I am new to force fields in Blender. I was wondering if it is possible to define a new customized force field for rigid body simulations by scripting?
Benancio's user avatar
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Making a shaking leaf ball character

Currently I am making a character which is a leaf ball. Everything looks great until I try to rotate it with armature. I use hair particles to create leaves and cover it on a sphere. When the sphere ...
SecretKitchen's user avatar
2 votes
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41 views

Morphing/contracting under physical force

I'm a biologist and I work on cell deformations under stress. I am new to Blender. As a part of my project, I want to animate/simulate cells deforming under contraction force. I want to morph/contract ...
Sanket Patil's user avatar
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95 views

Smoke Flow Force Field isn't affecting Hair Particle System. How do I affect hair with a smoke flow force field?

I have baked a simple smoke-simulation which is affected by a wind force field, and a turbulence force field. It's looking great so far... Now I add a simple plane with a hair particle system and a ...
Kronibus's user avatar
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259 views

Blender - Vector Field Animation

I am trying to create an animation of a vector field for my university Physics project. I ideally would like to create something like this https://www.youtube.com/watch?v=gcQuqxYU-UY so with moving ...
Ella's user avatar
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274 views

How can i make to objects act like magnets so they push each other

I wanna make to object push each other and have the same effects as magnets
Samuel Mema's user avatar
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705 views

How to turn off force fields for rigid bodies?

How can I switch off a certain force field for only some of my dynamic rigid bodies in the scene without keyframing “Dynamic” and have the objects which were affected by force field still interact in ...
Giedrius Gurevičius's user avatar
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Can the temperature of the domain in a smoke simulation vary based on height?

I am trying to simulate physically accurate cumulus clouds for a still render and to do so, the temperature of the domain must decrease with height. I have been told that this may be possible using ...
Erik's user avatar
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How to change a force field's strength by triggers when animating?

How I can automatically change force field strength by triggers? I working on animation where a car (rigid body) moves on the track. I need increase speed on few places (like speed zones in games). ...
Shubol3D's user avatar
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how do I make a force field throw out liquid?

I am making a volcano eruption simulation and I need to know how to make fluid fly out of a container using a force field?
Tal's user avatar
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1 answer
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Why does the turbulence not affect the particle system?

I want to make a smoke trail behind a flying object by emitting particles and make a smoke simulation with it. I parented a turbulence to the emitter so that the particles don't fly out too straight. ...
Arceus's user avatar
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how to make a custom shape for force field

There are a bunch of options for the shape of a force field like point or plane but I want to apply the force field to a custom shape, let's say a cube. The reason is: I want hundreds of objects to ...
user123511's user avatar
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Force Fields > Gravitation math buggy?

My objects disappear when activating the 'Gravitation' option (5:30 of this tutorial (https://www.youtube.com/watch?v=8bcqLZJcTSY). It looks like the equation 1/distance^2 maybe isn't working? Edit: ...
user3424554's user avatar
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How to make two charged objects in Blender interact?

I cannot seem to do it, no matter what settings I change. I'm trying to simulate a negatively charged particle and a positively charged particle being attracted to each other. Or to simulate coulomb's ...
Lambda's user avatar
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1 answer
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Make particles stick to emitter, then separate

I would like to animate the removal of dust from an object. Is it possible to make "dust" particles stick to the emitter object untill a certain time, then seperate them from the emitter all ...
diogenes's user avatar
1 vote
0 answers
203 views

Apply force/impulse to objects

I am trying to apply a force to certain objects via a self-made script. Though I cannot find any option to do so in Blender. I could only find something equivalent in Blenders Game Engine: ...
BR14Nx's user avatar
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359 views

How to control the rotation of particles following a curve guide

I want to achieve a line of ants walking on a curved surface. I decided to use a particles system set to emitter, with a curve guide to force them along a path. I set the initial rotation of the ...
Lucho's user avatar
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Can I make custom force field that only rotates particles around an object?

Hi I want to make particles only rotate around an object. And I also want them to follow a simple equation $$ F \propto {1 \over r^2} $$ where $r$ is the distance of each particle from the object. Is ...
Tahreezz Murdifin's user avatar
1 vote
1 answer
1k views

Force field not affecting falling rigid body in motion

I am trying to use a force field to affect a falling rigid body mesh. The mesh is falling in a direct line on the Z axis and yet when it passes through the force field, it proceeds unaffected, no ...
JS_JS's user avatar
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Affect curves with wind force field?

I have grass that Ive made individually from tapered curves here, and I want apply a gentle breeze to them. I dont see a way to apply force fields to curves though - you can make the curve itself emit ...
blue's user avatar
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How to get fluid to behave like droplets on a hydrophobic surface

I am trying to create an animation of the scene shown in the picture below. I want all the little fluid droplets to be attracted to the big one in the middle and be absorbed by it. I have tried using ...
Aeneas's user avatar
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Particles: control conservation of momentum / inertia?

In Maya there's an attribute to reduce the inertia of particles, it's called Conserve. If Conserve is 1, the particles obey Newtonian mechanics. If Conserve is zero, none of the momentum from the ...
Aaron F. Ross's user avatar
1 vote
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26 views

Could I make keep the animation position as the new position for an object?

I'm trying to simulate a cloth patch which is a rectangle to "stick" to something irregular like a forehead, so I thought of animating it by using a force field animation and it pushes it ...
BashBash's user avatar
1 vote
0 answers
59 views

Smoke+Fire sim for thruster using wind

I'm having a problem with the smoke and fire sim, after a few seconds the thrust stream "explodes" and then only sparks appear. I used a plane as inflow and a cube as domain, all with ...
user116019's user avatar
1 vote
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138 views

Choose what rigid-body is affected by a force field in Blender 2.9

I have a conundrum, I have a bunch of rigid-bodies that I would like to travel to different locations. On their voyage to their location I’d like them to be able to interact and collide with any other ...
a_vb_0's user avatar
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1 answer
198 views

When using turbulance to create a grass animation, the effect of the turbulance eventually fades out

I used a turbulence force field to create a grass animation for 300 frames. At the start the turbulence is affecting the grass very much but about at 100 frames it starts to slow down and eventually ...
Abhishek Dey's user avatar
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32 views

How catch particles with ranged curve guide

I try to simulate aspiration of particles with curve guide force field. I don't know if the attraction force minimum distance works because for a simple exemple like below, i can't have attraction ...
Pomess's user avatar
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Pack instances of object on surface of mesh

I'm trying to achieve something like this (https://www.instagram.com/p/B9E5hH-oKi8/) with blender. Is there any way I can achieve something similar? Maybe by using a force field and a particle system? ...
torels's user avatar
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Particles/fluid attaches or fills the volume of an object

Holla, Right, so I'm curious on how to achieve a certain effect via two different approaches. What I'm sort of trying to achieve: https://www.youtube.com/watch?v=KFYFh8w4758 Case 1: I'm looking for a ...
Luca Portik's user avatar
1 vote
0 answers
64 views

Particle separate

I have created a blender animation with three particle systems, which use molecular script for collision. - 1st particle system are blue UV spheres, whithout magnetic field weight - 2nd particle ...
Adze7's user avatar
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1 answer
209 views

Need Help With Settings for Hair Particle System \w dynamics enabled

Goal: Model of Solar System, I'm currently stuck on some animations I'd like to sketch up for the sun. Scene Setup: Currently, there is one main object (icosphere), the sun (in blender terms, it's ...
Sirius A's user avatar
1 vote
1 answer
346 views

Field Weights properties not working as expected

Very new to Blender, and I've just been following some tutorials to help me achieve my goal of creating a smoking logo. I've found plenty of helpful ones, but not quite everything has come together ...
user3029732's user avatar
1 vote
0 answers
1k views

Wind force field won't affect cloth simulation

I am trying to use a wind force field to cause multiple cloth simulation objects to be blown away from their initial location, however when I play the simulation, the simulated cloth objects just fall ...
Nicholas's user avatar
1 vote
0 answers
187 views

Paper on wall pulling with wind

I want to create a scene with a piece of paper stuck on a wall fluttering in the wind for a while, before being torn off and blown away. I attempted this with a soft body subdivided plane and wind ...
clubby789's user avatar
  • 111
1 vote
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676 views

Force field destroys particle rotation

Newtonian type emitter is using explode modifier to manipulate faces. Problem is when I put Vortex field on the same layer as emitter, my particles stop rotating, even if field strength is set to zero....
Serge L's user avatar
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1 vote
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Python - How would I get the strength of a magnetic field at a given point in space in blender?

I am really new to blender, but I know that you can create magnetic fields, so is there a method built into the blender python module which gives you the magnetic field strength at any given point in ...
Jatin Kaushal's user avatar
1 vote
0 answers
356 views

How to create a fully linked duplicate object?

Hi this is my first question on this site so if I made a mistake, please advise me! Q: Im trying to create duplicate from a "template" cube (I created a cube and put it in the layer 2) Now when Im ...
Hacker Online's user avatar
1 vote
0 answers
371 views

How to make a neodymium magnet?

I am new in Blender and would like to make two neodymium magnets that simulate the forces and attraction, but I have no idea how to make it.
user3345868's user avatar
1 vote
0 answers
84 views

Is there a way to control particle acceleration when using a Curve Guide force?

I know it's possible to control the speed of a particle system affected by a Curve Guide force. But, is it possible to control the acceleration? It appears that Curve Guide disable other forces but, ...
Antonio Buch's user avatar
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1 vote
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Trouble with Particle system and forcefields

I have a simple particle system that is using an object (an icosphere subdivided a few times) with an emitter shader(color:red and strength: 15) and the particle system is affected only by a force ...
AkechiShiro's user avatar
1 vote
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111 views

Magnetic field direction

I need to know if you can create three magnetic fields with orthogonal directions to each other, meaning one having it's direction on the x axis , one on the y axis and one on the z axis, the only ...
Giorgos's user avatar
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1 vote
0 answers
149 views

Water drops on a moving spider web

I'm trying to create a spider web that is dynamically moving using wind and vortex force fields. Water drops, in slightly random sizes, should be sliding down the threads at a random but constant ...
wout's user avatar
  • 1,186
0 votes
0 answers
18 views

How can I make particles flow like lava, like in the Intro to the Rings of Power

I'm trying to make a section of the particles flow like lava for close up shots. Like how they animated the particles in rings of power intro. Any ideas on how I can achieve this? I've tried using ...
Sebastian's user avatar
0 votes
0 answers
9 views

Advect Particles with imported VDB velocitys

Does the Fluid Flow Force Field support a VDB object as its Domain? I want to advect particles based on a smoke simulation I imported from Embergen with velocities as one unified grid. I know I could ...
Phönix 64's user avatar
0 votes
0 answers
24 views

Animating particles when adding a force field

I'm creating an animation with moving newspapers using planes and force fields. On the planes that act as newspapers I add a soft body, and on the ground plane I add collisions. When i watch ...
Operator's user avatar
0 votes
0 answers
10 views

Can particle velocity be set to zero?

If yes, how would does the Blender User do this? Prior to this action forces would have been applied in the normal fashion. Later the same particles can have more forces applied. A force of type ...
atomicbezierslinger's user avatar