Solid Mechanics Course 🧲 Stress & Strain Fundamentals
🔒

Poisson's Ratio & Thermal Stress

Inside this lesson
  • Define Poisson's ratio and compute lateral strain from axial strain
  • Compute thermal expansion for an unconstrained member
  • Compute thermal stress for a fully constrained member
  • Explain why expansion joints and slip bearings are used in structures

Unlock the full Mechanical Engineering bundle

  • Every paid lesson across both the Solid Mechanics and Fluid Mechanics courses — one purchase, both courses.
  • Interactive simulators for Mohr's circle, shear-moment diagrams, the Moody chart, and more.
Get the bundle →

One-time purchase — see options on the next page.

or unlock everything with all-access

Not ready yet? Keep learning for free — start with 2D equilibrium or what engineering mechanics is.

⚖️
Educational content covering topics typical of a first- and second-year mechanical engineering curriculum. Not a substitute for accredited coursework, and not suitable for real structural design without review by a licensed professional engineer.