The Zwanzig projection operator is a mathematical device used in statistical mechanics.

Gibbs measure is widely used in statistical mechanics, often under the name canonical ensemble.

He successfully used this approach to problems in celestial mechanics and mathematical physics.

This principle is used in both Newtonian mechanics and the theory of special relativity.

The concept of the reactive centrifugal force is sometimes used in mechanics and engineering.

When does not depend on time one gets the Wigner-Kirkwood series that is often used in statistical mechanics.

Newton's notation is mainly used in mechanics, physics, and the theory of ordinary differential equations.

The grand potential is a quantity used in statistical mechanics, especially for irreversible processes in open systems.

This description is normally used in solid mechanics.

Adiabatic shear band is a term used in physics, mechanics and engineering.