RBD Constraints behaving weirdly

Forums Technical Discussion RBD Constraints behaving weirdly

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gishantsngh: Member; 4 posts; Joined: Sept. 2018; Offline

June 26, 2019 5:08 p.m.

Hi,

I am making a simple house destructions scene where I am using a metaball for adding force and using the same metaball to break constraints as well. While simulating constraints are breaking as they should perfectly but geometry is not behaving the same way. as you can see here pieces of the wood are still hanging in the air even though there is no constraint whatsoever. Also, the timestamp is also at the same frame.

Any help would be appreciated. Thank you

Edited by gishantsngh - June 26, 2019 17:20:48

Attachments:
Screenshot (170).png (647.0 KB)
Screenshot (171).png (916.7 KB)


toadstorm: Member; 385 posts; Joined: April 2017; Offline

June 26, 2019 5:39 p.m.

First thing I'd do is check to make sure that the s@name attribute of all your pieces is unique. If two pieces have the same name, the RBD solver will consider them the same piece (you should see a warning on the solver if this is the case).

MOPs (Motion Operators for Houdini): http://www.motionoperators.com [www.motionoperators.com]


gishantsngh: Member; 4 posts; Joined: Sept. 2018; Offline

June 27, 2019 1:49 a.m.

Hey, thanks for the reply

I did check the names on individual pieces and they are unique as they were created by rbd material fracture so they should be unique, right? Anyway, I have attached the file to you to look up. Again thanks

Edited by gishantsngh - June 27, 2019 01:51:05

Attachments:
TheHouseDestruction_Wrror.hipnc (3.1 MB)


gishantsngh: Member; 4 posts; Joined: Sept. 2018; Offline

June 27, 2019 2:45 a.m.

I looked again and you were absolutely right sir! It was a naming issue. Thanks a lot

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