Free vibration analysis of corrugated-face sheet composite sandwich plates

The present study addresses the effect of attached mass on dynamic properties of composite laminate plates, under flexural vibration, for clamped-free-free-free boundary conditions. Furthermore, factors influencing the effect of attached mass on natural frequencies of laminate composite are studied using the Taguchi method. The considered factor parameters are: attached mass weight, attached mass locations from the clamped edge, staking sequences, and number of layers. The results of this study indicate that the dynamic characteristics of the laminate composite plates are sensitive to the attached mass, where the natural frequencies are found to be inversely proportional to the mass weight. The results was found that the locations of the attached mass and number of layers were the most important factors affecting the natural frequencies, where the location of the masses fell into the antinodes and into the nodal area of vibration, respectively. In addition, the paper presents a good correlation between the numerical results obtained by the ANSYS software and those obtained experimentally.

Section: Taguchi Methodsmentioning

confidence: 99%

“…The composite materials are developed to have better mechanical properties than those obtained by metallic materials. Among the characteristics that can be sought to improve the properties of composite materials: dynamic behavior, thermal property, wear resistance, stiffness-toweight ratio, and fatigue [1][2][3][4][5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Factors influencing the effect of attached mass on dynamic behavior of laminate composite plates using Taguchi technique

Rahmane

Benmansour

Bouakba

et al. 2018

“…This type of sandwich plates has been widely studied and used in the last three decades. The second type is corrugatedface sheets sandwich plate which is composed of two corrugated face sheets and a foam-like core that fills the gap between the face sheets [9]. This type of corrugated sandwich plates is relatively new and has not been studied sufficiently at this time.…”

Section: Introductionmentioning

confidence: 99%

“…Numerical analysis predicted the corrugated panel to be 25 % stronger than the flat counterpart in spite of being 15 % lighter. Recently, Kheirikhah et al [9] studied the natural vibration analysis of corrugated face sheet sandwich plates using 3D FEM. The effects of many parameters such as boundary conditions, geometrical parameters and fiber orientation of the composite face sheets have been assessed.…”

Section: Introductionmentioning

confidence: 99%

“…Many different corrugation shapes have been used for corrugated-core sandwich plates such as: I-beam, Y-beam, triangular, trapezoidal and sinusoidal. However, to date, only two types of corrugation shapes have been used for corrugated-face sheet sandwich plates: trapezoidal and sinusoidal [9,10,15,21,22]. Therefore, in the present paper these two common types of corrugated sandwich plates are studied.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Bending and buckling analysis of corrugated composite sandwich plates

Kheirikhah

Babaghasabha

2016

Buckling and free vibration analyses of composite sandwich plates reinforced by shape-memory alloy wires

Kheirikhah

Khosravi

2018

Self Cite

Nowadays, shape-memory alloys (SMAs) are used in many applications to improve the mechanical behaviors of the structures. In this paper, the natural vibration and buckling behaviors of the composite sandwich plates reinforced by SMA wires are studied. Three-dimensional (3D) finite element method is employed to model and analyze the sandwich plates. The face sheets of the sandwich plates are considered to be layered orthotropic composite plate, while a soft isotropic material is used for the core. The face sheets are armed by the Ni-Ti-based SMA wires. The Active Property Tuning method is used for modeling the SMA-embedded sandwich plates. The modal and eigenvalue buckling analyses are performed to calculate the natural frequencies and buckling loads of the plates. The effects of plate's thickness, face sheet's thickness and plate aspect ratio and also boundary conditions on the natural frequencies and buckling loads of the plates are inspected. Comparison between obtained numerical results and those published in the literature confirms that the present modeling and vibration and buckling analyses of the SMA-reinforced composite sandwich plates are reliable and applicable.