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Elastodynamics of a Two-Dimensional Square Lattice With Entrained Fluid-Part I: Comparison With Biot's Theory

有乘火车的液体鈥擯a rt 的一个二维的方形的格子的 Elastodynamics 我:有 Biot 的理论的比较

作     者:Dorodnitsyn, Vladimir Spadoni, Alessandro 

作者机构:Ecole Polytech Fed Lausanne Inst Engn Mech CH-1015 Lausanne Switzerland 

出 版 物:《JOURNAL OF VIBRATION AND ACOUSTICS-TRANSACTIONS OF THE ASME》 (美国机械工程师学会汇刊: 振动与声学杂志)

年 卷 期:2014年第136卷第2期

页      面:021024-021024页

核心收录:

学科分类:08[工学] 0802[工学-机械工程] 0801[工学-力学(可授工学、理学学位)] 0702[理学-物理学] 

主  题:Biot's theory poroelasticity cellular solids band structure fluid-structure interaction 

摘      要:In the present paper, the performance of Biot s theory is investigated for wave propagation in cellular and porous solids with entrained fluid for configurations with well-known drained (no fluid) mechanical properties. Cellular solids differ from porous solids based on their relative density rho* 1. For frequencies below the first resonance of the lattice walls, only the fast-pressure mode of the two modes predicted by Biot s theory is found. It is also shown that homogenized models for shear waves based on microstructural deformations for drained conditions agree with Biot s theory.

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