P-wave modulus
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In linear elasticity, the P-wave modulus M is one of the elastic moduli available to describe isotropic homogeneous materials.
It is defined as the ratio of axial stress to axial strain in a uniaxial strain state
- σzz = Mεzz
where all the other strains ε * * are zero.
This is equivalent to stating that
where VP is the velocity of a P-wave.
[edit] References
- G. Mavko, T. Mukerji, J. Dvorkin. The Rock Physics Handbook. Cambridge University Press 2003 (paperback). ISBN 0-521-54344-4
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