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In linear elasticity, the P-wave modulus , also known as the longitudinal modulus or the constrained modulus, 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 : where all the other strains are zero. This is equivalent to stating that : where VP is the velocity of a P-wave. ==References== * G. Mavko, T. Mukerji, J. Dvorkin. ''The Rock Physics Handbook''. Cambridge University Press 2003 (paperback). ISBN 0-521-54344-4 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「P-wave modulus」の詳細全文を読む スポンサード リンク
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