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  • Open Access


    A Computational Study on Lateral Flight Stability of the Cranefly in Hover

    Na Xu1, Shuaizhi Zhou1, Chunchen Zhang1, Xiaolei Mou2,*

    CMES-Computer Modeling in Engineering & Sciences, Vol.128, No.2, pp. 669-685, 2021, DOI:10.32604/cmes.2021.016269

    Abstract The dynamic flight stability of hovering insects includes the longitudinal and lateral motion. Research results have shown that for the majority of hovering insects the same longitudinal natural modes are identified and the hovering flight in longitudinal is unstable. However, in lateral, the modal structure for hovering insects could be different and the stability property of lateral disturbance motion is not as robust as that of longitudinal motion. The cranefly possesses larger aspect ratio and lower Reynolds number, and such differences in morphology and kinematics may make the lateral dynamic stability different. In this paper, the lateral flight stability of… More >

  • Open Access


    Partitioned Method of Insect Flapping Flight for Maneuvering Analysis

    Minato Onishi1, Daisuke Ishihara1,*

    CMES-Computer Modeling in Engineering & Sciences, Vol.121, No.1, pp. 145-175, 2019, DOI:10.32604/cmes.2019.06781

    Abstract This study proposed a partitioned method to analyze maneuvering of insects during flapping flight. This method decomposed the insect flapping flight into wing and body subsystems and then coupled them via boundary conditions imposed on the wing’s base using one-way coupling. In the wing subsystem, the strong coupling of the flexible wings and surrounding fluid was accurately analyzed using the finite element method to obtain the thrust forces acting on the insect’s body. The resulting thrust forces were passed from the wing subsystem to the body subsystem, and then rigid body motion was analyzed in the body subsystem. The rolling,… More >

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