Journal ArticleDOI
Governing Equations for Vibrating Constrained-Layer Damping Sandwich Plates and Beams
M. J. Yan,Earl H. Dowell +1 more
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In this article, a simple differential equation is derived to describe constrained-layer damping in nonsymmetric sandwich plates and beams composed of isotropic and homogeneous layers, and the natural boundary conditions related to this equation are determined.Abstract:
A simple differential equation is derived to describe constrained-layer damping in nonsymmetric sandwich plates and beams composed of isotropic and homogeneous layers. The natural boundary conditions related to this equation are determined and some typical numerical results obtained by this equation are given. The equation is valid within the linear theories of elasticity and viscoelasticity in the absence of any constraints on thicknesses, positions, symmetries, and densities of the layers.read more
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Journal ArticleDOI
Research and applications of viscoelastic vibration damping materials: A review
TL;DR: A comprehensive review of the various research methods and theory calculation models that are employed in engineering to study the static and dynamic vibration characteristics of viscoelastic damping material (VDM) formed structures is presented in this article.
Journal ArticleDOI
A numerical method for nonlinear eigenvalue problems application to vibrations of viscoelastic structures
TL;DR: In this article, a new numerical method for the exact solution of nonlinear eigenvalue problems is developed, which associates homotopy and asymptotic numerical techniques and it is applied to determine the natural frequencies and the loss factors of viscoelastically damped sandwich structures.
Journal ArticleDOI
Transverse Compressional Damping in the Vibratory Response of Elastic-Viscoelastic-Elastic Beams.
B. E. Douglas,J. C. S. Yang +1 more
TL;DR: In this article, the effects of transverse compressional damping in the vibratory response of three-layer elastic-viscoelasticelastic beams are considered both analytically and experimentally in a mechanical impedance format.
Journal ArticleDOI
A comparison of some equations for the flexural vibration of damped sandwich beams
TL;DR: In this paper, the authors compare the theories of flexural vibration of damped, three-layer sandwich beams as presented by Yan and Dowell, and by DiTaranto and Mead and Markus.
Journal ArticleDOI
Finite element analysis of damping the vibrations of laminated composites
TL;DR: In this paper, a typical structure is that whose basic layer is covered with a damping layer and a thin constraining layer, which is used in ship building and aerospace technology.
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