...; published online February 25, 2013. Assoc. Editor: Marco Amabili. 15 11 2011 03 10 2012 This paper considers the damped small-amplitude free-vibration of composite laminated strips subject to large in-plane forces and rotations. A theoretical framework is formulated for the prediction...

...Satyajit Panda; M. C. Ray This paper deals with a study on the active constrained layer damping (ACLD) of geometrically nonlinear vibrations of functionally graded (FG) laminated composite plates. The constraining layer of the ACLD treatment is considered to be made of the vertically/obliquely...

... of the effect of boundary conditions on the laminated steel specimen. The new setup is developed in combination with a frequency response function based optimization method, to automatically derive the dynamic properties of viscoelastic core materials and generate their master curves. A solver based...

...Hossein Rastgoftar; Mohammad Eghtesad; Alireza Khayatian This paper presents a solution to the stabilization problem of large amplitude vibration of the anisotropic composite laminated plates when the Kirchhoff theorem is used to model geometric equations of strain. Because of the large...

...Muhammad Tanveer; Anand V. Singh A numerical approach is presented for linear and geometrically nonlinear forced vibrations of laminated composite plates with piezoelectric materials. The displacement fields are defined generally by high degree polynomials and the convergence of the results...

...S. K. Lai; C. W. Lim; Y. Xiang; W. Zhang An analytical approximation is developed for solving large amplitude nonlinear free vibration of simply supported laminated cross-ply composite thin plates. Applying Kirchhoff’s hypothesis and the nonlinear von Kármán plate theory, a one-dimensional...

... presents the optimization of various innovative sandwich configurations for minimization of their structural-acoustic response. Laminated face sheets and core geometries comprising honeycomb and trusslike structures are considered. The design flexibility associated with the class of considered composite...

...Arup Guha Niyogi Studies on coupled structural acoustic problems within laminated composite enclosures are presented. Isoparametric quadratic boundary element formulation for the acoustic domain is coupled to the structural properties of the enclosure through mobility relations obtained from free...

...A. Chakraborty; S. Gopalakrishnan A new spectral plate element (SPE) is developed to analyze wave propagation in anisotropic laminated composite media. The element is based on the first-order laminated plate theory, which takes shear deformation into consideration. The element is formulated using...

...Xiaoling He A symmetric isotropic laminate in a simply supported boundary condition is analyzed for its nonlinear dynamic response subjected to a nonuniform transient thermal field. The equation of motion of a modified Duffing type in a decoupled modal form is obtained for both orthotropic...

...Dimitris Varelis; Dimitris A. Saravanos A coupled theoretical and computational framework is presented for analyzing the small amplitude-free vibrational response of composite laminated plates with piezoelectric actuators and sensors, subject to nonlinear effects due to large rotations and initial...

...Anupam Chakrabarti; Pijush Topdar; Abdul Hamid Sheikh The vibration characteristics of laminated sandwich plates subjected to in-plane forces is studied taking imperfections at the layer interfaces. The plate problem, which is unattended so far, is modeled by a refined plate theory where...

... supported edges are used to reduce the governing equations of static deformation and steady-state vibrations of the hybrid laminate to a set of coupled ordinary differential equations in the radial coordinate, which are solved by employing the Frobenius method. Natural frequencies, mode shapes...

.... Robinson was the NASA Technical Monitor. Engelstad, S. P., et al., 1997, Optimization in Structural Acoustics Using FEM/BEM , Report No. NAS1-20102, NASA Langley Research Center, Hampton, VA. Fernholz, C. M., and Robinson, J. H. 1996, The Influence of Lamination Angles on Interior Noise...

... structural acoustics acoustic wave transmission vibrations damping laminates series (mathematics) numerical analysis Sandwich structures have been studied extensively in the past few decades 1 2 3 4 . They are an important class of composite structures and are used in aerospace, automobile...

...Kenji Hosokawa, Associate Professor, Mem. ASME; Minehiro Murayama, Graduate Student,; Toshiyuki Sakata, Professor, In a previous paper, the authors proposed a numerical approach for analyzing the free vibrations of a laminated FRP (fiber reinforced plastic) composite plate. In the present paper...

... these low dimensional models reveals the accuracy of the order reduction. Poincare´ maps are utilized to study the nonlinear localization and beat phenomena caused by the clearance connecting the coupled rods. 01 Oct 1999 01 Aug 2000 delamination laminates vibrations supersonic flow...

...-layer damping technologies. A more detailed literature survey on this subject can be found in Austin 1 . viscoelasticity laminates vibrations damping 01 May 1999 01 March 2000 Contributed by the Technical Committee on Vibration and Sound for publication in the JOURNAL...

...Y. F. Hwang, Senior Research Associate,; M. Kim; P. J. Zoccola This paper presents an elasticity theory solution for computation of acoustic radiation by a point- or line-excited fluid-loaded laminated plate, which may consist of a stack of an arbitrary number of different isotropic material layers...