Mechanical Behavior of Materials - P2: Stress Transformations, Beams, Columns, and Cellular Solids

"Mechanical Behavior of Materials, Part 2," is the second course in a three-part series offered by MITx, closely aligning with the MIT subject 3.032. This intermediate-level course provides an in-depth exploration of the mechanical properties of materials, combining continuum mechanics and atomistic perspectives. It focuses on stress transformations, beam bending, column buckling, and the mechanics of cellular solids, emphasizing both theoretical frameworks and practical applications. The course builds upon foundational topics from Part 1, such as stress-strain behavior, elasticity, and composite materials, and serves as a precursor to Part 3, which addresses viscoelasticity, plasticity, creep, brittle fracture, and fatigue.

Participants learn to calculate equivalent stresses, principal stresses, and maximum shear stresses using tools like Mohr’s circle. They also study the mechanics of beams, including shear forces, bending moments, and deflection, alongside the stability of columns under compressive loads. The course explores how the stiffness and strength of cellular materials are determined by their deformation and failure mechanisms.

The course is self-paced, requiring 11–13 hours of weekly study, and is taught by MIT professors Lorna J. Gibson and Jessica Sandland. Learners in certain regions face restrictions due to U.S. sanctions. Certificates are available for $49, while a free version offers limited access to course materials.