Symmetrical and non-symmetrical 3D wing deformation of flapping micro aerial vehicles

Tay, Wee Beng

doi:10.1016/j.ast.2016.05.026

Cited by 9 publications

(3 citation statements)

References 26 publications

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“…Based on their structures, flapping wings undergo moderate to large flexible deformation during flight (2) . The flexibility has a significant effect on the FAVs aerodynamic loading (3)(4)(5)(6)(7)(8)(9)(10) which has frequently been validated, experimentally (11)(12)(13)(14)(15)(16)(17)(18)(19) . The importance of this phenomenon has led many researches to study the modelling aspects of EFW SD behaviour.…”

Section: Introductionmentioning

confidence: 99%

Analytical structural behaviour of elastic flapping wings under the actuator effect

2018

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The effect of inertial forces on the Structural Dynamics (SD) behaviour of Elastic Flapping Wings (EFWs) is investigated. In this regard, an analytical modal-based SD solution of EFW undergoing a prescribed rigid body motion is initially derived. The formulated initial-value problem is solved analytically to study the EFW structural responses, and sensitivity with respect to EFWs’ key parameters. As a case study, a rectangular wing undergoing a prescribed sinusoidal motion is simulated. The analytical solution is derived for the first time and helps towards a conceptual understanding of the overall EFW's SD behaviour and its analysis required in their designs. Specifically, the EFW transient and steady response in on-off servo condition is also attended.

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Section: Introductionmentioning

confidence: 99%

Analytical structural behaviour of elastic flapping wings under the actuator effect

2018

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“…Simultaneously, numerical studies have been conducted to analyse and understand physical phenomena around the wing. Within this area of research, a variety of numerical methods have been developed (3,(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20)(21)(22)(23) . Reviews of the related numerical studies can be found in Refs 24 and 25.…”

Section: Introductionmentioning

confidence: 99%

Extensive 3D analysis for fluid–structure interaction of spanwise flexible plunging wing 3D FSI Analysis for Spanwise Flexible Plunging Wing

Cho

Lee²,

Shin

et al. 2019

Aeronaut. j.

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In this study, an improved fluid–structure interaction (FSI) analysis method is developed for a flapping wing. A co-rotational (CR) shell element is developed for its structural analysis. Further, a relevant non-linear dynamic formulation is developed based on the CR framework. Three-dimensional preconditioned Navier–Stokes equations are employed for its fluid analysis. An implicit coupling scheme is employed to combine the structural and fluid analyses. An explicit investigation of a 3D plunging wing is conducted using this FSI analysis method. A further investigation of this plunging wing is performed in relation to its operating condition. In addition, the relation between the wing’s aerodynamic performance and plunging motion is investigated.

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“…This study also found that the optimal wing shapes are highly dependent on reducing the wingbeat frequency. Tay [ 17 ] performed 3D simulations to determine the effects of prescribed deformation on different types of wings under various flapping configurations. Bluman and Kang [ 18 ] found that the flexible wings require 32%–94% less power than rigid wings.…”

Section: Introductionmentioning

confidence: 99%

Design and Mechanical Analysis of Bionic Foldable Beetle Wings

Wang

et al. 2018

Applied Bionics and Biomechanics

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In order to improve the flight performance of collapsible aircrafts, a novel mechanism of bionic foldable wings of beetle is designed based on the four-plate mechanism theory. The folding and unfolding movements of the bionic foldable wings are driven by motor and torsion hinges. Based on the D-H method, a kinematic model of wings is established to analyze the dihedral angle of adjacent plates. The folding ratio of an area in different plate creasing angles has been derived and calculated. Utilizing the kinematic and static models produced, as well as considering the folding ratio and output motor torque, the optimal physical parameters of folding wings are obtained. Dynamic models of rigid and flexible wings were established using ADAMS, and a motion simulation was performed. The relationship between dihedral angle and torque during the folding process of both rigid and flexible wings was obtained. The results provide a better understanding of the folding mechanism through the formulation of rigid-flexible wing analysis, as well as demonstrating a novel design of insect-mimicking artificial wings for small aerial vehicles.

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Symmetrical and non-symmetrical 3D wing deformation of flapping micro aerial vehicles

Cited by 9 publications

References 26 publications

Analytical structural behaviour of elastic flapping wings under the actuator effect

Analytical structural behaviour of elastic flapping wings under the actuator effect

Extensive 3D analysis for fluid–structure interaction of spanwise flexible plunging wing 3D FSI Analysis for Spanwise Flexible Plunging Wing

Design and Mechanical Analysis of Bionic Foldable Beetle Wings

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