simulation issue

[Dutchbird]

I Made a model of packages on a hook but when I start the simulation all the packages go tto far.
See my attached model.

https://app.box.com/s/2zaj6q5uhwpj4p1ghtqh2ik7rgwvalpm

[Dr. Sassi]

Hi Dutchbird,

Sorry, I'm not familiar with box.com

For security reasons, I touch only Dropbox, Wetransfer, Google, Apple, or Adobe cloud services, no zip, no rear, etc; the file is as is, and the URL is not shortened while pasted as text into the forum. Sorry for the extra work.

All the best

[Dutchbird]

@Dr-Sassi Sorry.
https://www.dropbox.com/scl/fi/nr4rodcltc5euy4mtxvb4/test.c4d?rlkey=ln3cyj09j54oob7qs0qubayn6&dl=0

[Dr. Sassi]

Hi Dutchbird,

Thank you for the extra effort! I got the file!

I have explored several options, even Connectors.

Here is my favorite version.
CV4_2025_drs_25_MOts_11.c4d

To get the scale correct, the "Scene Scale" was set to 2cm, as I go by the contact area, not the bag size. I increased the iteration values a little bit.

The collision surface was quite small, so I placed a bigger one as a child, which is set to invisible.
The Setting of the Collision Shapes is set to triangle for the hook, and Complex for the bag.

The mass of the bag would be 1.0 way too heavy, like it was filled all the way with water. It is, after all, just a bag, so 0.1 might be a good start.

I included a stress test (the Sphere); please delete it when you are fine with the setup.

In the Attribute Manager> Scene> Simulation> Simulation> Draw, you can check on Rigid Body Center and Shape, to see how the Collision Shape works. By the way, leaving it on Auto might work sometimes, but it is typically not advised.

Cheers

All the best