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Title: Parametric studies of wave propagation through imperfect interfaces using micromechanics based effective stiffness
Authors: Marangos, Orestes 
Misra, Anil S.
Keywords: Acoustics;Effective stiffness;Interfaces;Reflection;Transmission
Category: Civil Engineering
Field: Engineering and Technology
Issue Date: 24-Mar-2008
Source: 34th Annual Review of Progress in Quantitative Nondestructive Evaluation; Golden, CO; United States; 22 July 2007 through 27 July 2007
Conference: Annual Review of Progress in Quantitative Nondestructive Evaluation 
Abstract: Plane wave propagation through contact between solids has been investigated using imperfectly bonded interface model. In this model, the contact behavior is represented through effective interface stiffnesses. We have developed a micromechanical methodology for determining complex-valued effective normal and shear interface stiffnesses by considering asperity contact interactions. The methodology incorporates effects of surface roughness, anisotropy, existing stress conditions and rate-dependent asperity contacts. We use the derived effective stiffnesses to elucidate wave transmission phenomena exhibited by interfaces. © 2008 American Institute of Physics.
ISBN: 0094243X
DOI: 10.1063/1.2902551
Type: Conference Papers
Appears in Collections:Δημοσιεύσεις σε συνέδρια/Conference papers

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