Journal of Shanghai University(Natural Science Edition) ›› 2014, Vol. 20 ›› Issue (1): 43-50.doi: 10.3969/j.issn.1007-2861.2013.07.040

• Composite Materials • Previous Articles     Next Articles

Propagation Characteristics of Guided Waves in 2D Lattice Sandwich Plate and Computation of Dispersion Curves

TAO Yong1, YIN Xi-yue2, FAN Xi-gang2, ZHANG Xiang-lin2,CHEN Ming-ji3, FANG Dai-ning1   

  1. 1. Department of Mechanics and Engineering Science, Peking University, Beijing 100871, China;
    2. Beijing Xinghang Electromechanical Equipment Co., Ltd., Beijing 100074, China;
    3. National Center for Nanoscience and Technology, Beijing 100190, China
  • Received:2013-12-02 Online:2014-02-28 Published:2014-02-28

Abstract: Based on an equivalent analysis model, the dispersion equations of guided waves in 2D lattice sandwich plate are derived, and the dispersion curves calculated. A finite element model is also built according to the real structure of 2D lattice. Propagation of guided waves in hexagonal lattice sandwich plate is simulated using ABAQUS software. It is demonstrated that the equivalent analysis model can well describe the guided waves propagating along the whole sandwich plate at low frequencies.

Key words: dispersion curve, guided wave, lattice sandwich plate

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