Dictionary:Poisson’s ratio

ADVERTISEMENT
From SEG Wiki
Jump to: navigation, search
Other languages:
English • ‎español • ‎русский


The ratio of the fractional transverse contraction to the fractional longitudinal extension when a rod is stretched; see elastic constants and Figure E-6.


Figure E-6. Elastic moduli in isotropic media.


If density is known, specifying Poisson’s ratio is equivalent to specifying the ratio of VS/VP, where VS, and VP are S- and P-wave velocities. Values ordinarily range from 0.5 (no shear strength, e.g., fluid) to 0 (but theoretically from 0.5 to –1.0; see Debski and Tarantola, 1995).[1]


References

  1. Debski, W. and Tarantola, A., 1995, Information of elastic parameters obtained from the amplitudes of elastic waves: Geophysics, 60, 1426–1436.


External links

find literature about
Poisson’s ratio
SEG button search.png Datapages button.png GeoScienceWorld button.png OnePetro button.png Schlumberger button.png Google button.png AGI button.png