Vibration Damping of Laminated Composite Structural Elements

Lü, Yuan; Bai, Jiaming; Sun, C.T.

doi:10.4028/www.scientific.net/kem.141-143.623

Cited by 6 publications

(3 citation statements)

References 0 publications

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“…Fortunately, in most cases, shear deformation provides a much stronger power dissipation mechanism than that of extension in the viscoelastic cores of CLD treatments [32,28,33]. The strength of this formulation comes in its accounting for inertia effects.…”

Section: All Displacements Are Considered Smallmentioning

confidence: 99%

Estimating the Effects of Damping Treatments on the Vibration of Complex Structures

McDaniel¹,

Bridgeo²,

Öztürk³

2012

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Section: All Displacements Are Considered Smallmentioning

confidence: 99%

Estimating the Effects of Damping Treatments on the Vibration of Complex Structures

McDaniel¹,

Bridgeo²,

Öztürk³

2012

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“…While the beam is being bent, the MR fluid layer is deformed in shear due to the essential difference of stiffness between the MR fluid layer and aluminium layers. Thus, a considerable amount of energy can be dissipated through shear deformation [7].…”

Section: Analysis Of Strain and Internal Forcesmentioning

confidence: 99%

Modeling of an Adaptive Beam with MR Fluid

Sapiński¹,

Snamina

2009

SSP

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This paper is devoted to modeling of a three-layered cantilever beam filled with magnetorheological (MR) fluid. The beam consists of two aluminium outer layers and an MR fluid layer placed between them. The study covers description of MR fluid behavior in the pre-yield regime, analysis of strain and internal forces, formulation of differential equations of motion and finite element model (FEM) and numerical calculations. The aim of the study is to determine maximal amplitudes up to which the MR fluid operates in the pre-yield regime.

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“…The damping materials are used in many fields including aerospace, aeronautics, automotive and domestic appliances in order to minimise undesirable structure borne vibrations and radiated noise while eliminating high cycle fatigue and failure of critical components [1][2][3][4][5]. To meet today's high-performance requirements; smart structures composed of passive viscoelastic materials are become practical.…”

Section: Introductionmentioning

confidence: 99%

Effect of Thickness of Damping Material on Vibration Control of Structural Vibration in Constrained Layer Damping Treatment

Hujare¹,

Sahasrabudhe²

2014

AMM

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The reduction of noise and vibration is a major requirement for performance of any vibratory system. Passive damping technology using viscoelastic materials is classically used to control vibrations. Viscoelastic material among the damping materials is widely used to dissipate the structural vibration energy. Three-layer sandwich beams, made of two elastic outer layers and a viscoelastic layer sandwiched between them, are considered as damping structural elements. This paper presents the effect of thickness of constrained damping material on modal loss factor of vibrating structures. Measurements are performed on sandwich beam structure. In order to understand the effectiveness of the sandwich structures, the dynamics of beam with constrained viscoelastic layers are investigated. Comparisons of the experimental and the Numerical results confirm that the damping levels and the natural frequencies of damped structures are well corroborated.

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Vibration Damping of Laminated Composite Structural Elements

Cited by 6 publications

References 0 publications

Estimating the Effects of Damping Treatments on the Vibration of Complex Structures

Estimating the Effects of Damping Treatments on the Vibration of Complex Structures

Modeling of an Adaptive Beam with MR Fluid

Effect of Thickness of Damping Material on Vibration Control of Structural Vibration in Constrained Layer Damping Treatment

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