Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/54549
Title: A new technique for analyzing the 3-D wave fields in anisotropic laminates excited by point harmonic loads
Authors: Liu, G.-R. 
Lam, K.Y.
Tani, J.
Keywords: Composite Material
Dynamic Response
Laminated Construction
Numerical Analysis
Numerical Quadrature
Stress Wave
Issue Date: Dec-1996
Source: Liu, G.-R.,Lam, K.Y.,Tani, J. (1996-12). A new technique for analyzing the 3-D wave fields in anisotropic laminates excited by point harmonic loads. JSME International Journal, Series C: Dynamics, Control, Robotics, Design and Manufacturing 39 (4) : 679-686. ScholarBank@NUS Repository.
Abstract: A new technique is presented for analyzing the 3-D wave fields in anisotropic laminated plates excited by time-harmonic point loads. The finite element technique is used to produce a set of approximate partial differential equations. This set of differential equations is then changed into a set of algebraic equations using a 2-D Fourier transform. The resulting set of algebraic equations is solved by a modal expansion method. The 2-D inverse Fourier integration is first carried out analytically in one direction using Cauchy's theorem. An adaptive quadrature scheme is then used to evaluate the integration in the other direction. The present technique is very efficient in computing the 3-D response of anisotropic laminates in the frequency domain, since only 1-D integration needs to be carried out numerically. Numerical examples are presented to demonstrate the efficiency of this technique.
Source Title: JSME International Journal, Series C: Dynamics, Control, Robotics, Design and Manufacturing
URI: http://scholarbank.nus.edu.sg/handle/10635/54549
ISSN: 13408062
Appears in Collections:Staff Publications

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