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The effect of boundaries on wave propagation in a liquid-filled porous solid: XI. Waves in a plate

DEPARTMENT OF MECHANICAL ENGINEERING COLUMBIA UNIVERSITY, NEW YORK, N. Y. 10027

Abstract

It is shown that the presence of a liquid in the pores of a plate causes a decrease in the phase velocity of both flexural and compressional motions, the effect being greatest for long waves. At the same time the motion is attenuated: the attenuation is larger in flexure than in compression, and increases with decreasing plate thickness.

Footnotes

^* Currently Visiting Professor, Department of Mechanics, Technion—Israel Institute of Technology, Haifa, and Department of Mechanical Engineering, The Ben-Gurion University of the Negev, Beersheva, Israel.

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