Beranek, Leo L. Formerly, Bolt Beranek and Newman, Inc., Cambridge, Massachusetts.
- Fundamental relations
- Electromagnetic waves
- Acoustic waves in gases
- Acoustic waves in liquids
- Elastic and flexural waves in solids
- Steady-state wave motion
- Links to Primary Literature
- Additional Readings
The process by which a disturbance at one point in space is propagated to another point more remote from the source with no net transport of the material of the medium itself. For example, sound is a form of wave motion; wind is not. Wave motion can occur only in a medium in which energy can be stored in both kinetic and potential form. In a mechanical medium, kinetic energy results from inertia and is stored in the velocity of the molecules, while potential energy results from elasticity and is stored in the displacement of the molecules.
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