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Application of Biot Theory in Analyzing the Sound Insulation Characteristic of Honeycomb Sandwich Panels

  • C.-N. Wang (a1), M.-J. Tang (a1) and C.-C. Tse (a1)

Abstract

The purpose of this paper is to apply Biot theory on analyzing honeycomb core to investigate the sound insulation characteristics of honeycomb sandwich panels. At first, the honeycomb core was regarded as a porous material and the sandwich panel is made of layered media. Thus Biot theory developed for fluid saturated porous material is adopted to analyze the waves propagated in honeycomb core. Then the transfer matrix for waves propagated between two ends of each panel is established. The combination of these related matrices can be conducted on evaluating the sound propagation characteristic in the layered media. The comparison of the transmission loss between the available experimental measurements and numerical predictions shows that the present method is reliable. With the present method, the numerical results reveal that the coincident frequency decreases apparently as the thickness of core increases. Therefore, the transmission loss is also increased in the analyzed frequency range. Further, the effect of core density and cell size are also investigated.

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1.Kurtze, G. and Watters, B. G., “New Wall Design for High Transmission Loss or High Damping,” J. Acoust. Soc.Am., 31, pp. 739748 (1959).
2.Ford, R. D., Lord, P. and Walker, A. W., “Sound Transmission Through Sandwich Constructions,” J. Sound and Vibration, 5(1), pp. 921 (1967).
3.Dym, C. L. and Lang, M. A., “Transmission of Sound Through Sandwich Panels,” J. Acoust. Soc. Am., 56, pp. 15231532 (1974).
4.Lang, M. A. and Dym, C. L., “Optimal Acoustic Design of Sandwich Panels,” J. Acoust. Soc. Am., 57, pp. 14811487(1975).
5.Moore, J. A., “Sound Transmission Loss Characteristics of Three Layer Composite Wall Constructions,” Ph.D. Dissertation, MIT (1975).
6.Thamburaj, P. and Sun, J. Q., “Effect of Material Anisotropic on the Sound and Vibration Transmission Loss of Sandwich Aircraft Structures,” J. Sandwich Structure and Material, pp. 76–92 (1999).
7.Thamburaj, P. and Sun, J. Q., “Effect of Material and Geometry on Sound and Vibration Transmission Across a Sandwich Beam,” J. Vib. Acoust., 123, pp. 205212 (2001).
8.Wang, T., Sokolinsky, V. S., Rajaram, S. and Nutt, S. R., “Assessment of Sandwich Models for the Prediction of Sound Transmission Loss in Unidirectional Sandwich Panels,” Applied Acoustics, 6, pp. 245262 (2005).
9.Sokolinsky, V. S. and Nutt, S. R., “Consistent Higher-Order Dynamic Equations for Soft-Core Sandwich Beams,” AIAA Journal, 42(2), pp. 374382 (2004).
10.Jensen, A. E. and Irgens, A. F., “Thickness Vibrations of Sandwich Plates and Beams and Delamination Detection,” J. Intelligent Material Systems and Structures, 10, pp. 4655 (1999).
11.Biot, M. A., “The Theory of Propagation of Elastic Waves in a Fluid Saturated Porous Solid, I.Low Frequency Range, II. Higher Frequency Range,” J. Acoust. Soc. Am., 28, pp. 168191 (1956).
12.Brouard, B., Laforge, D. and Allard, J. F., “A General Method of Modeling Sound Propagation in Layered Media,” J. Sound and Vibration, 183(1), pp. 129142 (1995).
13.Allard, J. F., Propagation of Sound in Porous Media: Modelling Sound Absorbing Materials, Elsevier Applied Science, New York (1993).
14.Stinson, M. R., “The Propagation of Plane Sound Wave in Narrow and Wide Circular Shape,” J. Acoust. Soc. Am., 89, pp. 550558(1991).
15.Torquato, S., Gibiansky, L. V., Silva, M. J. and Gibson, L. J., “Effective Mechanical and Transport Properties of Celluar Solids,” Int. J. Mech. Sci., 40(1), pp. 7182 (1998).
16.Juan, C. F. and Wang, C. N., “Sound Insulation Characteristics of Panels Lined with Porous Material,” Journal of Taiwan Society of Naval Architects and Marine Engineers, 23(2), pp. 6773 (2004).
17.Huang, W. C. and Ug, C. F., “Sound Insulation Improving Using Honeycomb Sandwich Panels,” Applied Acoustics, 55, pp. 163177 (1998).
18.Beranek, L. L., Noise and Vibration Control, McGraw-Hill, Inc., New York (1971).
19.Ting, T. C. T., “Explicit Expression of the Stationary Values of Young's Modulus and the Shear Modulus for Anisotropic Elastic Materials,” Journal of Mechanics, 21, pp. 255266(2005).

Keywords

Application of Biot Theory in Analyzing the Sound Insulation Characteristic of Honeycomb Sandwich Panels

  • C.-N. Wang (a1), M.-J. Tang (a1) and C.-C. Tse (a1)

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