Energy Partition of Harmonic Waves through a Micro Gap

Author:

Chen Xiao Yun1,Yu Gui Lan1

Affiliation:

1. Beijing Jiaotong University

Abstract

Energy partition of harmonic waves through a micro gap considering frictional contact was investigated. The incident waves were assumed to be strong enough to make the two solids come into contact. Using the Fourier analysis technique and corrective solution superposition method, the nonlinear boundary problem was reduced to a set of algebraic equations. Special examples for identical materials were discussed in detail. The locations and extents of the separation, slip and stick zones and the energy partition are displayed. Moreover, the effects of gap width, coefficients of friction and incident angle are discussed. These relations are quite effective on seismology and civil engineering.

Publisher

Trans Tech Publications, Ltd.

Reference8 articles.

1. Joly P: Finite element methods with continuous displacement, in Effective Computational Method for Wave Propagation, edited by Kampanis, London(2008).

2. Joly P and Tsogka C: Finite element methods with discontinuous displacement, in Effective Computational Method for Wave Propagation. edited by Kampanis, London(2008).

3. Fourney W L, Dick R D, Fordyce D F and Weaver T A: Effects of open gaps on particle velocity measurements, submitted to Rock Mech. Rock Eng(1997).

4. Fourney W L, Dick R D, Fordyce D F and Weaver T A: Effects of weak layers on particle velocity measurements, submitted to Rock Mech. Rock Eng(1997).

5. WANG Wei hua, LI Xi bing, ZHOU Zi long and ZHANG Yi-ping: Energy transmitted rule of various stress waves across open joint, submitted to Journal of Central South University (Science and Technology)(2006).

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