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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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 ...
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Is it possible to change the axes/part that the vortex forcefield is attracting?

INITIAL SITUATION: So I have a flock of "Birds" that are generated through a Boid Particle System, at one point in my animation a vertex force field gets activated and the Particles get ...
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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 ...
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How to move alot of objects by “Force Field” each one in a different speed

I have created a plane and above it i have applied "hair" using as particles any number-shaped objects. After i have converted each one particles in one object making them "Rigid Body&...
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push and pull particles

Still very new to Blender. Enjoying it a lot so far. But now I've hit a wall... I am trying to have a surface emit one particle per vertex. Then I instance an object across those particles. Now I ...
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How to limit the force field only on a specified area?

I want to apply a force only on particles in a specified area, so they go upwards in their path (see pictures). I tried to use a wind force field, but that seems to affect all particles no matter ...
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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 ...
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22 views

how to tweak the wind affecting the cloth simulation (flag)?

I have a wind blowing onto my flag, looks fine at the beginning but quickly becomes very static so the cloth barely moves. How can I tweak it? I`d like to apply file but cant find where to upload. ...
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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 ...
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53 views

How to create Wind effect on circle logo

I am trying to animate a logo in the shape of a circle. The idea was to have it floating in the air and have some wind going through it. What I have done so far: I have used cloth simulation and the ...
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Wind gets weaker at the end of the animation?

all! I was working on trying to add wind to a wheat grass scene. However, no matter the force field, whether it be harmonic or turbulence, the wheat's bobbing movement always seems to be strong at the ...
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46 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 ...
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How to make objects attract/stick to a single object

I'm kinda new to blender been using it for a little while now,but was wondering how I could make objects attract/stick to an object (one single object) i have that will be the center of a giant ball ...
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Can you split a group of particules between different forcefields?

I have a cube that emits particles surrounded by 4 cubes, each have a negative force fields (i.e. attractive). I want my population of particules to be equaly split between theses force fields to ...
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30 views

Blender snap forcefield to vertex?

Is it possible to snap a forcefield to a given vertex ? I want to assign different forcefields to different vertices of a cube so that if the cube moves, the forcefields move with it, but I don't know ...
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How can I correctly apply wind on grass (hair particles)?

I made a hair particle system of grass and wind and turbulence force fields. But the wind doesn't seem to affect the grass particles and the turbulence when translated, just resizes the grass rather ...
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About the force field of blender

When decelerating a particle using a force field "drag", what is the calculation of the degree of deceleration by the "linear" value? For example, if a force field with a linear ...
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Does a physics force have a potential effect even if the strength is set to [0.0]?

When using forces with particles I have turned the strength to [0.0] with the goal of completely disabling any effect. Sometimes I want keep the other settings for a potential future use. Is it known ...
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Simulating N-bodies gravitational interaction

I wanted to simulate attraction of massive bodies in space and added Force field of type "force" Unfortunately, all these bodies stay still on animation. (I turned gravitation off so that ...
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Force field … type [force], shape [curve]

Goal: Particles adhering to Path and Moving along Path ... some noticeable movement. Current Failure: Particles adhere to Curve but do not move on path of Curve. Particles travel to nearest point on ...
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how to have one force field influence on 2 collection?

I am trying to make a tornado. I want to make a force field influences two different collections of particles.I have separated different force fields by collections but now I want a specific force,to ...
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Can you set maximum particle force field strengths?

I want to have my particles interact with a gravitational field, but if any intersect directly with the force fields position in space, the distance becomes zero and thus the force becomes extreme and ...
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1answer
87 views

Fluid Simulation with Forces Blender 2.9. How do I get useful results?

This is about the built in Fluid Simulation with Blender 2.9 Yes I do see the effect of the gravity force and [force[shape curve]]. Will other forces work with Blender? Such as Harmonic? When I try ...
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98 views

How do I rotate an object in an anti gravity simulation?

I am creating a shot where: gravity is turned off multiple objects are "floating" in space a few objects collide with eachother each object has it's own forcefield in order to propel it ...
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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 ...
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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 ...
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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? ...
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How to bake a particle animation over 250 frames

I have been following this guide for making a particle animation: https://www.youtube.com/watch?v=2bv973aqx-w At the end, he says you just increase the end frame in the bar at the bottom up to 500 and ...
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Smoke Flow Force Field Absorption

I am currently trying to make a head mesh "disintegrate" from right to left following a smoke (mantaflow) simulation. My intention is to create an effect not unlike the thanos disintegration ...
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point gravity cloth shrink wrap

Guess you have an icosphere and want to shrinkwrap it onto a rather complex object like a deflating balloon, is there a way to set up the object like a point gravity source (force field) for the ...
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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 ...
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Decimate Text using Wind/Force

I have been using Blender for a while now. I have made a flag which reacts to Wind (based on a couple of videos I got on YouTube). I would like to know whether we ...
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fire and smoke kicks back in the final half of the animation when I add a wind force field

I am animating a rocket engine and I added a wind force field above the emitter, however when I bake and play the animation, the first half of the animation is fine, but when it gets to around the ...
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Apply one acceleration to all objects

Can I make a force field that affects every object according to their mass, so that all objects accelerate at say 1 m/s^2, is that possible in blender? If not possible via UI is it possible via ...
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113 views

Make force field only affect objects while they are within a specific area

I'm trying to emulate an object floating to the surface of a liquid within a soft body simulation using a wind force field, but I have discovered to my dismay that wind force fields don't care about ...
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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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301 views

How to create tentacles moving with the wind?

I have the feeling i'm on the wrong way to do this. Because its part of the mesh. So, maybe somebody know it. How can i add movement to the tentacles in the wind? Like Hair. Sadly the whole mesh move ...
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Blender 2.83, crashes whenever I add force field settings to my hair particle system

I am making a scene in blender where I want the grass to blow in the wind. I added a hair particle system, and made it look like grass. I wanted to add wind, so I went to the force field settings in ...
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Hair Particles interaction with wind [closed]

I use wind as a force but as after baking i saw The wind just blew away my hair particles from the mesh How to solve the issue
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My hair doesn't flap in the wind

I have a logo consisting of two letters covered in fur that I am trying to get blowing in the wind for a client project. I have a wind force field on which is affecting the hair fine, but the hair ...
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509 views

Physic simulation is visible in viewport, but not in the animation render

My physics animation is working as expected while I'm inside Blender. When I try to render the animation, the simulation is not running. Every frame is identical (the objects are static). Viewport: ...
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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 ...
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43 views

Wind not working (ver 2.83)

Simple quick setup following tutorial, but wind not working. Cloth hanging properly, but wind @ 20000 force has no effect. What am I missing? https://drive.google.com/file/d/...
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Reverse Curve Guide Direction

When I create a curve and add 'Curve Guide' Force field, at one end there is a dotted circle and the other end a solid circle. As far as I have understood, the solid circle is for particle start and ...
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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 ...
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28 views

How to attract “Curve guide” particles with a Secondary force field?

For a asteroid simulation ,some particles (spheres) on a curve guide need to be attracted to the centre(magnetic force field). However,after setting the mass of particles to the lowest value(0.1) and ...
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25 views

Wind Force Field stops at frame 33

I`m pretty new to blender and i have now 2 issues with which i could need some help. I want to animate an old welder torch welding a railway section (simple) and i added a wind force field behind the ...
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Move randomly a plane with cut parts| Paper Furr

I am looking to create a sort of "flag", a plane with some cuts that are creating sort of "leaves" and I need to open these apertures with turbulence or wind. Basically I need to ...
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Floating Plastic bag in Air with Wind

I tried to recreate a plastic bag after watching a tutorial but failed to achieve the desired look. The plastic bag is supposed to be floating and moving with the wind but instead, while playing the ...
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Is Smoke Flow Force Field broken in 2.8x?

I'm experimenting with smoke flow field and it works as expected on 2.79 but when I try to apply the force field in 2.8x it doesn't work at all. Is this a known issue or am I doing something wrong? ...