Cloth problem

Discussion about softbody / cloth simulation in Realflow 4
daantjuh44
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Cloth problem

Postby daantjuh44 » Fri Apr 25, 2008 7:58 pm

Hi I'm having some trouble with cloth.

I simply enabled the soft body dynamics and enabled self collision but when i drop some water on it it simply passes through the cloth ?

The cloth does show interaction with the particles and the particles also show interaction with the cloth but still pass trough

What am I doing wrong ?

Thanks in advance
Daan


lukeiamyourfather
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Cloth problem

Postby lukeiamyourfather » Fri Apr 25, 2008 8:29 pm

Check the collision distance for the particle interaction on the object. Also check the sub step value for the simulation. I threw a plane in with about 1000 faces and an emitter, they interact with the default settings. Cheers!

daantjuh44
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Cloth problem

Postby daantjuh44 » Fri Apr 25, 2008 8:36 pm

Thanks I will try it first thing in the morning

How many sub steps do you suggest I always leave it at the default which is 333 right ?

Thanks for the fast reply
Daan

lukeiamyourfather
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Cloth problem

Postby lukeiamyourfather » Fri Apr 25, 2008 9:23 pm

daantjuh44 wrote: Thanks I will try it first thing in the morning

How many sub steps do you suggest I always leave it at the default which is 333 right ?

Thanks for the fast reply
Daan

The default of 333 sub steps is usually plenty if not more than enough, as long as the collision distance is large enough on the object. I usually don't like to go below .01 because stability problems and stray particles become a problem. Cheers!

daantjuh44
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Cloth problem

Postby daantjuh44 » Sat Apr 26, 2008 3:37 pm

I set the collision distance to 0.01 and the problem was completely solved :)

Thanks
Daan

daantjuh44
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Cloth problem

Postby daantjuh44 » Sat Apr 26, 2008 4:35 pm

What is the amount of substebs you use most cause i have it on 80 right now

lukeiamyourfather
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Cloth problem

Postby lukeiamyourfather » Sun Apr 27, 2008 4:28 pm

daantjuh44 wrote: What is the amount of substebs you use most cause i have it on 80 right now

It depends on how complex the scene is, how fast the particle are moving, etc. I usually start with something pretty high and then move down until I hit stability problems or particles going through objects. Then go back up about 10% and that should do pretty good. Cheers!

daantjuh44
Posts: 210
Joined: Wed Apr 25, 2007 2:47 pm
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Cloth problem

Postby daantjuh44 » Mon Apr 28, 2008 9:01 am

Thanks ill try it out :)


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