F. X. Xin, T. J. Lu & C. Q. Chen
 MOE Key Laboratory for Strength and Vibration, School of Aerospace, Xi’an Jiaotong University, Xi’an, 710049, P.R. China

Vibro-acoustic problems involving the interaction of structural vibration and acoustic-structural coupling effects are of particular significance in engineering applications. A typical such problem addresses a configuration comprising two parallel rectangular panels with an airproof cavity sealed in between, mounted in acoustic rigid baffle, with the whole system immersed in a fluid (e.g., air). These double-panel partitions have found increasingly wide applications in modern buildings, vehicles, aerospace and aeronautical structures etc., due to their superior sound insulation properties over single-panel configurations as a result of structural discontinuity and sound impedance mismatch.

We develop a theoretical model to investigate the vibro-acoustic performance of a rectangular double-panel partition clamp mounted in an infinite acoustic rigid baffle, and the present method is suitable for double-panel systems of finite or infinite extent, and is applicable for both low- and high-frequency range. With these merits, the proposed method compares favorably with a number of other approaches, e.g., FEM (finite element method), BEM (boundary element method) and SEA (statistical energy analysis) method.

The above mentioned work has been directly accepted by Journal of the Acoustical Society of America without any revision.

P.S.:    I am a PH.D. candidate supervised by Prof. Tianjian Lu and Changqing Chen in Xi'an Jiaotong University. My research interests are focused on the subjects of Solid Mechanics, Fluid-Structure Coupling, Aeroelastics, Structural Acoustics and Condensed Matter Physics.