Physics Material Restitution in Newton Physics in 6.0.1

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6.0.0
5.1.0
5.0.0
4.5.0
4.2.0
4.1.0
4.0.0
4.5.0
2023.1.1
2023.1.0-hotfix.1
Other (please specify):

Operating System

Ubuntu 24.04
Ubuntu 22.04
Ubuntu 20.04
Windows 11
Windows 10
Other (please specify):

GPU Information

  • Model: RTX 3080
  • Driver Version: 580.8x

Topic Description

Physic Material Restitution property is ignored in Newton Phyics

Detailed Description

I created a very simple scene with : Physics Scene Shape Sphere ,Ground Plane, Physics Material with restitution to 1.0
Physics scene is properly a Mjc one.
The sphere do not bounce, just a little bit.. changing the restitution value in the Physics Material changes nothing in the behaviour. Changing the frictions works.

Steps to Reproduce

  1. Launch using isaac-sim-newton.bat

  2. Create A Physics->Physics Scene

  3. Create a Physics->Ground Plane

  4. Create a Shape->Sphere

  5. Add Rigidbody and Collider presets to the Sphere , at 1 meter high

  6. Create a Physics->Physics Material-> Rigid Body Physics Material

  7. Set its restitution to 1.0

  8. Assign the Physics Material to both the ground plane and sphere to eliminate any “combination” issue

Result : the sphere do not bounce.

Expected Result : the sphere should bounce back to almost original position

What I’ve Tried

I tried using the Compliant parameters in Advanced panel with no success.

3

Hi, Thanks for your posting. Let’s move the discussion to GitHub discussions. I will close this one as a dup.