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Information Journal Paper

Title

MODAL AND AEROELASTIC ANALYSIS OF A HIGH-ASPECT-RATIO WING WITH LARGE DEFLECTION CAPABILITY

Pages

  45-54

Abstract

 This paper describes a modified structural dynamics model for aeroelastic analysis of high-aspect-ratio wings undergoing large deformation behavior. To achieve this objective, a moderate deflection beam model is modified with some important LARGE DEFLECTION terms and then coupled with a state space unsteady aerodynamics model. Finite element method is used to discretize the equations of motion. A dynamic perturbation equation about a nonlinear static equilibrium is applied to determine the flutter boundary. The obtained results show good agreement in comparison with the other existing data such as high-altitude long-endurance (HALE) wing and Goland wing. It is found that the present aeroelastic tool have a good agreement in comparison with valid researches and also considering the effect of the geometric structural nonlinearity and higher order nonlinear terms on the flutter boundary determination is very significant.

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    Cite

    APA: Copy

    KOOHI, R., SHAHVERDI, H., & HADDADPOUR, H.. (2015). MODAL AND AEROELASTIC ANALYSIS OF A HIGH-ASPECT-RATIO WING WITH LARGE DEFLECTION CAPABILITY. INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY, 8(1), 45-54. SID. https://sid.ir/paper/648266/en

    Vancouver: Copy

    KOOHI R., SHAHVERDI H., HADDADPOUR H.. MODAL AND AEROELASTIC ANALYSIS OF A HIGH-ASPECT-RATIO WING WITH LARGE DEFLECTION CAPABILITY. INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY[Internet]. 2015;8(1):45-54. Available from: https://sid.ir/paper/648266/en

    IEEE: Copy

    R. KOOHI, H. SHAHVERDI, and H. HADDADPOUR, “MODAL AND AEROELASTIC ANALYSIS OF A HIGH-ASPECT-RATIO WING WITH LARGE DEFLECTION CAPABILITY,” INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY, vol. 8, no. 1, pp. 45–54, 2015, [Online]. Available: https://sid.ir/paper/648266/en

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