The Red & Black is a 501c3 nonprofit. Please consider a one-time gift or become a monthly supporter. Cancel anytime. Acro, or acrobatic skills, are the tumbling and flipping elements done on beam.

Many mechanical structures are modeled with beam elements because they can represent any material and cross section, as well as transmit axial loads, moments, and torques. "But what if a designer must ...

To illustrate how you can simulate abrupt structural discontinuities, consider a cantilever beam with a joint or splice simulated with a rotational spring. For this simple example, there are generally ...