What is the term for the bending of a beam under load?

The term for the bending of a beam under load is beam deflection. Beam deflection refers specifically to the displacement of a beam from its original, straight position when subjected to external forces or loads. This phenomenon is crucial in structural engineering, as understanding deflection helps ensure that beams can safely support the required loads without failing or compromising structural integrity.

Beam deflection is often measured and calculated to ensure that it stays within acceptable limits, which is vital for maintaining safety and performance in construction and design. Various factors influence beam deflection, including the material properties, the shape of the beam, and the manner in which loads are applied.

The other terms mentioned may imply some alteration of the form or shape of a beam, but they do not accurately describe the specific action of bending under load.