Micro-mass sensor-based vibration response of smart bidirectional functionally graded auxetic microbeams

Wei, Y. Y.; Al-Furjan, M. S. H.; Shan, L.; Shen, X.; Kolahchi, R.; Rabani bidgoli, M.; Farrokhian, A.

doi:10.1007/s43452-023-00840-2

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2024

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Cited by 3 publications

References 83 publications

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Aeroelastic Analysis of Composite Sandwich Rectangular Plates with Auxetic Honeycomb Core: Free Vibration and Instability Investigation

Ilbak,

Ghorbanpour Arani,

Khoddami Maraghi

et al. 2024

Arab J Sci Eng

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Aeroelastic Analysis of Composite Sandwich Rectangular Plates with Auxetic Honeycomb Core: Free Vibration and Instability Investigation

Ilbak,

Ghorbanpour Arani,

Khoddami Maraghi

et al. 2024

Arab J Sci Eng

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On nonlinear dynamic analysis of hyperbolic tangent FG-GPL-reinforced shallow spherical cap under supersonic flow

Wei,

Furjan,

Farrokhian

et al. 2024

Waves in Random and Complex Media

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Flutter Control of Aircraft Wing using Auxetic Structures: Numerical Investigation

Rudresh,

Prashanth,

et al. 2024

Preprint

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Aircraft Flutter is one of the significant concerns in achieving the required performance. These undesirable vibrations arising from interaction of aerodynamic and structural loads can be destructive. Trailing-edge wing morphing is one of the effective ways to tackle flutter. This work has been solely carried out to emphasis the concept of using integrated compliant mechanisms in the airfoil, being much efficient than using tradition wings, which is made up of flaps, ailerons separately which can cause problems like aileron reversal, etc. Re-entrant auxetic structures being one of the meta-materials, with negative Poisson's ratio to enable an effortless morphing mechanism as it has high flexibility along in-plane direction (chord-wise), at the same time combining with its torsional bending stiffness in out-of-plane direction (span-wise) results in finite weight reduction and delay in flutter, thereby increasing the flight performance characteristics. The 3D CAD Models were designed and numerical analysis is carried out. Modal analysis was done to compute the Eigen-frequencies of the Auxetic wing. Then, air-pressure was generated using CFD analysis. Finally, the fluid-structure interaction was done by importing the air-pressure and performing harmonic analysis. About 14.5% increase in resonant frequency was observed when Auxetic Structure was used also by reducing weight. This strongly indicates that, the Auxetic Wing is capable of withstanding higher frequencies before failure than regular wing, which can be used to delay flutter. This implies that the Auxetic Structure has the potential to be used as a structure with a passive morphing airfoil.

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Micro-mass sensor-based vibration response of smart bidirectional functionally graded auxetic microbeams

Cited by 3 publications

References 83 publications

Aeroelastic Analysis of Composite Sandwich Rectangular Plates with Auxetic Honeycomb Core: Free Vibration and Instability Investigation

Aeroelastic Analysis of Composite Sandwich Rectangular Plates with Auxetic Honeycomb Core: Free Vibration and Instability Investigation

On nonlinear dynamic analysis of hyperbolic tangent FG-GPL-reinforced shallow spherical cap under supersonic flow

Flutter Control of Aircraft Wing using Auxetic Structures: Numerical Investigation

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