1999
DOI: 10.1063/1.882648
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Nonlinear Mesoscopic Elasticity: Evidence for a New Class of Materials

Abstract: A squash ball almost doesn't bounce; a Superball bounces first left then right, seeming to have a mind of its own. Remarkable and complex elastic behavior isn't confined to sports equipment and toys. Indeed, it can be found in some surprising places. When the elastic behavior of a rock is probed, for instance, it shows extreme nonlinearity hysteresis and discrete memory (the Flint-stones could have had a computer that used a sandstone for random-access memory). Rocks are an example of a class of unusual elasti… Show more

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Cited by 555 publications
(376 citation statements)
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“…In effect, in moderately pressuredependent porous media Biot-Gassmann equations still roughly holds, but all the coefficients now depend on the pressure level. First of all, the pressure dependence of the grain constituent modulus is negligible compared to that induced by other constituents (i.e., fluid content, pores...) (Guyer and Johnson, 1999;Johnson and Rasolofosaon, 1996;Rasolofosaon and Yin, 1996). Beside the major role of the compliant features (e.g., grain-to-grain contacts, lowaspect-ratio cracks, joints...), omnipresent in rocks, in the pressure dependence of the velocities, the contribution of the nonlinearity of the saturating fluid must not be neglected.…”
Section: Figurementioning
confidence: 99%
“…In effect, in moderately pressuredependent porous media Biot-Gassmann equations still roughly holds, but all the coefficients now depend on the pressure level. First of all, the pressure dependence of the grain constituent modulus is negligible compared to that induced by other constituents (i.e., fluid content, pores...) (Guyer and Johnson, 1999;Johnson and Rasolofosaon, 1996;Rasolofosaon and Yin, 1996). Beside the major role of the compliant features (e.g., grain-to-grain contacts, lowaspect-ratio cracks, joints...), omnipresent in rocks, in the pressure dependence of the velocities, the contribution of the nonlinearity of the saturating fluid must not be neglected.…”
Section: Figurementioning
confidence: 99%
“…This nonlinearity is primarily due to the microstructure of the rocks. 2,3 An understanding of this microstructure is increasingly important for subsurface exploration. This study aims to characterize the nonlinearity of rocks in a laboratory scale experiment with a configuration that mimics a potential field scenario.…”
Section: Introductionmentioning
confidence: 99%
“…This type of response was first reported for pristine rock and geomaterials by Guyer and Johnson [9]. They predicted that NEWS techniques can also be used for inspection of damaged materials since the characteristic response of damaged materials and geomaterials was similar.…”
Section: Introductionmentioning
confidence: 75%
“…from Los Alamos [9][10][11][12][20][21][22][23]. Van Den Abeele, Guyer and McCall [20] used a phenomenological model to show that for a nonlinear hysteretic material, linear softening (i.e.…”
Section: Introductionmentioning
confidence: 99%