Definition:Bulk Modulus
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This page is about Bulk Modulus. For other uses, see modulus.
Definition
Let $B$ be an elastic body.
The bulk modulus of $B$ is a physical property of $B$ which measures its resistance to change in volume without change of shape.
It is defined as the ratio of compressive stress per surface area of $B$ to its change of volume per unit volume associated with this stress, assuming uniform pressure over the surface of $B$.
Also see
- Results about bulk modulus can be found here.
Linguistic Note
The plural of modulus is moduli.
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): bulk modulus
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): bulk modulus