rbd flip collision problem

[Benyee]

Hi,does anybody know the problem and have solution,thanks in advanced.

i create a very simple scene with a flat tank and a rigid body ball,the ball is falling into water,when set  "Creation Frame" of ball to 1(the same as flattank's),the simulation is ok;

but,when set it to other frame,say 10,flip will explode when ball touches...

rbd_flip_collision_problem.hip

Edited June 22, 2018 by Benyee

[fencer]

Try to use packed geometry with animated status instead of.

rbd_flip_collision_problem_v02.hip

[Benyee]

first,thank you very much,fencer,in some situation you method is nice,

in my example file,for some reson i just want ball created at some specific frame, before that frame there no ball DOP data in sim, not controlling the active/inactive states,

in other words,there still the problem in this file

rbd_flip_collision_problem_v02_a.hip

Edited June 22, 2018 by Benyee

[fencer]

I'm afraid to ask but what the purpose of this?

[rafzdv]

On 6/22/2018 at 6:42 AM, fencer said:

I'm afraid to ask but what the purpose of this?

Hey Fencer!

Thanks for the file, I`m doing a pool ball inside a water slider that It`s impressive how the merge works better than using a multisolver.