##  [Ansys Rigid Body Dynamics - Previous releases](/docs/rigid-body-dynamics/previous) 

###### **Rigid Body Dynamics library**

Use the Rigid Body Dynamics library to manipulate joints, constraints, springs, and damper configurations in your Rigid Body Dynamics models.

[2025 R2](/docs/command-reference-for-rigid-dynamics-systems-2025-r2/intro.md)

[2025 R1](/docs/command-reference-for-rigid-dynamics-systems-2025-r1/intro.md)

[2024 R2](/docs/command-reference-for-rigid-dynamics-systems-2024-r2/intro.md)