Xiaomin An  , Yixiang Liu , Baiyi Q

DOI Number XXX-YYY-ZZZ

Conference Number HiSST 2018-878

Nonlinear aeroelastic behaviors of two cylindrical composite panels are studied in a transonic flow of Ma=0.96. The cylindrical shell structure is modeled by an assemblage of flat triangular elements and the large displacement is described by a parameterization of the orthogonal matrix. Euler equation is solved by an upwind flux splitting scheme and a dual-time technology to obtain nonlinear aerodynamic loads. Based on a loosely coupling procedure, nonlinear aeroelastic responses of the two cylindrical composite panels are computed. The nonlinear characteristics, such as large displacement in structure, shock wave motions and flow separation in aerodynamic field are analyzed.

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In Categories: Advanced Composite Materials, Advanced Composites and Lightweight Structures, High-Speed Aerodynamics and Aerothermodynamics, HiSST 2018, Hypersonic Aerodynamics, Materials and Structures
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