About Ball Joints

A ball joint definition consists of two components: the restrained surface and the center of rotation. You can use ball joints to model spherically constrained components, like ball-and-socket connections.

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Applying Ball Joints

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A surface restrained by a ball joint can deform during a simulation but only according to the rotational directions defined by the joint center.

True ball joint connections are common in many applications, but ball joints can also approximate other flexible connections such as hinges or pin joints.