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Keywords: viscoelasticity
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Journal Articles
Article Type: Research Papers
J. Vib. Acoust. April 2012, 134(2): 021016.
Published Online: January 26, 2012
... surfaces of the layer and their orientation angle is assumed to vary in the thickness direction according to a simple power-law in order to make it as a graded layer only in the thickness direction. The constrained viscoelastic layer of the ACLD treatment is modeled by implementing the Golla-Hughes...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. February 2012, 134(1): 011008.
Published Online: December 28, 2011
...Li-Qun Chen; You-Qi Tang In this paper, the parametric stability of axially accelerating viscoelastic beams is revisited. The effects of the longitudinally varying tension due to the axial acceleration are highlighted, while the tension was approximately assumed to be longitudinally uniform...
Journal Articles
Article Type: Technical Briefs
J. Vib. Acoust. December 2011, 133(6): 064502.
Published Online: November 28, 2011
...Jon García-Barruetabeña; Fernando Cortés; José Manuel Abete This paper is aimed at investigating the influence of nonviscous modes on the vibrational response of viscoelastic systems. Thus, exponential damping models are considered. Provided that nonviscous modes disappear with time, they have...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. August 2011, 133(4): 041012.
Published Online: April 11, 2011
...Zhiyong Ren; Noureddine Atalla; Sebastian Ghinet Sandwich structures with viscoelastic core and metal face sheets are increasingly used in automotive industry to significantly reduce the amplitude of vibration and noise radiation. Several experimental methods such as dynamic mechanical analysis...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. April 2011, 133(2): 021002.
Published Online: March 1, 2011
...Sondipon Adhikari; Blanca Pascual This paper proposes a new iterative approach for the calculation of eigenvalues of single and multiple degree-of-freedom viscoelastic systems. The Biot model of viscoelasticity is assumed. With this model, the viscoelastic forces depend on the past history...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. February 2010, 132(1): 011009.
Published Online: January 11, 2010
...Li-Qun Chen; Hu Ding Steady-state periodical response is investigated for planar vibration of axially moving viscoelastic beams subjected external transverse loads. A model of the coupled planar vibration is established by introducing a coordinate transform. The model can reduce to two nonlinear...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. October 2009, 131(5): 051009.
Published Online: September 16, 2009
...Keivan Kiani; Ali Nikkhoo; Bahman Mehri This paper presents a numerical parametric study on design parameters of multispan viscoelastic shear deformable beams subjected to a moving mass via generalized moving least squares method (GMLSM). For utilizing Lagrange’s equations, the unknown parameters...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. April 2009, 131(2): 021010.
Published Online: February 19, 2009
... for the viscoelastic core and Euler–Bernoulli hypotheses for the elastic faces, but the latter is modified to account for the rotational influence of the transversal shearing in the core. The validity and accuracy of the presented element are assessed through comparisons with numerical results of sandwich beams...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. December 2008, 130(6): 061002.
Published Online: October 14, 2008
... in ocean water navigation by ships or floating structures, as well as dynamic behavior of machine structures in production processes and systems. In this paper slip damping with layered viscoelastic beam-plate structures for dissipation of vibration energy in aircraft, hydrodynamic, and machine structures...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. October 2008, 130(5): 051002.
Published Online: August 12, 2008
...Lu Sun; Feiquan Luo A Bernoulli–Euler beam resting on a viscoelastic foundation subject to a platoon of moving dynamic loads can be used as a physical model to describe railways and highways under traffic loading. Vertical displacement, vertical velocity, and vertical acceleration responses...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. February 2008, 130(1): 011010.
Published Online: November 15, 2007
..., estimation of the total energy of each mode in the expansion of the deflection function and preclusion of divergent series when determining the plate acceleration and curvature during the vibration process. In parallel, viscoelasticity is simulated with the aid of a fractional-differentiation operator...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. October 2007, 129(5): 533–540.
Published Online: January 23, 2007
...J. Zhang; G. T. Zheng Application of viscoelastic materials in vibration and noise attenuation of complicated machines and structures is becoming more and more popular. As a result, analytical and numerical techniques for viscoelastic composite structures have received a great deal of attention...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. June 2007, 129(3): 285–296.
Published Online: November 4, 2006
...Bakhtiyor Eshmatov; Subrata Mukherjee This paper is devoted to mathematical models of problems of nonlinear vibrations of viscoelastic, orthotropic, and isotropic cylindrical panels. The models are based on Kirchhoff-Love hypothesis and Timoshenko generalized theory (including shear deformation...
Topics: Vibration
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. February 2007, 129(1): 113–120.
Published Online: October 17, 2006
... with the variational method produces a second-order matrix representation of the structure. The frequency dependence of the material parameters is incorporated using a complex-property approach similar to the techniques for modeling viscoelastic materials. A transducer is manufactured and the method of material...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. April 2007, 129(2): 193–201.
Published Online: September 29, 2006
.... The exact frequency response solution, which includes infinite normal modes of the system, can be obtained in terms of the complex frequency response function from the system’s transfer function. This wave-based analysis technique is applicable to any one-dimensional viscoelastic structure (strings, axial...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. April 2007, 129(2): 158–168.
Published Online: August 4, 2006
...Stephen A. Hambric; Andrew W. Jarrett; Gilbert F. Lee; Jeffry J. Fedderly Viscoelastic materials are often used to add damping to metal structures, usually via the constrained layer damping method. The added damping depends strongly on material temperature and frequency, as do the underlying...
Journal Articles
Article Type: Technical Briefs
J. Vib. Acoust. February 2007, 129(1): 128–132.
Published Online: June 8, 2006
...L. H. Chen; W. Zhang; Y. Q. Liu In this paper, the nonlinear governing equations of motion for viscoelastic moving belt are established by using the generalized Hamilton’s principle for the first time. Two kinds of viscoelastic constitutive laws are adopted to describe the relation between...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. August 2006, 128(4): 501–508.
Published Online: January 24, 2006
...Marcelo A. Trindade For a growing number of applications, the well-known passive viscoelastic constrained layer damping treatments need to be augmented by some active control technique. However, active controllers generally require time-domain modeling and are very sensitive to system changes while...
Journal Articles
Article Type: Technical Papers
J. Vib. Acoust. June 2005, 127(3): 215–222.
Published Online: June 1, 2005
...Luciano A. Silva, Product Development Engineer; Eric M. Austin, Assistant Professor, Member ASME; Daniel J. Inman, G.R. Goodson Professor and Director, Fellow ASME There are internal-variable techniques that account for the frequency-dependent behavior of viscoelastic materials, but the temperature...
Journal Articles
Article Type: Technical Briefs
J. Vib. Acoust. October 2005, 127(5): 515–518.
Published Online: March 12, 2005
...Pankaj K. Langote; P. Seshu Hybrid damping designs with active piezoelectric materials and passive viscoelastic materials (VEMs) combine the advantages of both active and passive constrained layer damping treatments. In this study, experiments have been conducted on nine systems viz., bare beam...