Advances in aircraft and spacecraft science

  • 제6권6호
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  • Pages.463-478
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  • 2019
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  • 2287-528X(pISSN)
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  • 2287-5271(eISSN)
테크노프레스 (Techno-Press)
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An investigation on the vibrations of laminated shells under aeroacoustic loads using a WFE approach

  • Errico, Fabrizio (LTDS, Laboratoire de Tribologie et Dynamique des Systems, Ecole Centrale de Lyon) ;
  • Franco, F. (Pasta-Lab, Laboratory for promoting experiences in aeronautical structures and acoustics, Dipartimento di Ingegneria Industriale, Universita degli Studi di Napoli Federico II) ;
  • Ichchou, M. (LTDS, Laboratoire de Tribologie et Dynamique des Systems, Ecole Centrale de Lyon) ;
  • De Rosa, S. (Pasta-Lab, Laboratory for promoting experiences in aeronautical structures and acoustics, Dipartimento di Ingegneria Industriale, Universita degli Studi di Napoli Federico II) ;
  • Petrone, G. (Pasta-Lab, Laboratory for promoting experiences in aeronautical structures and acoustics, Dipartimento di Ingegneria Industriale, Universita degli Studi di Napoli Federico II)
  • 투고 : 2018.09.05
  • 심사 : 2019.04.29
  • 발행 : 2019.11.25
⟨ 이전 논문 다음 논문 ⟩

초록

The present work investigates the effect on the flow-induced vibrations of the lay-up sequence of composite laminated axisymmetric structures, using an hybrid approach based on a wave finite element and a transfer matrix method. The structural vibrations, under deterministic distributed pressure loads, diffuse acoustic field and turbulent boundary layer excitations, are analysed and compared. A multi-scale approach is used for the dynamic analysis of finite structures, using an elementary periodic subsystem. Different flow regimes and shell curvatures are analysed and the computational efficiency is also discussed.

키워드

과제정보

This project has received funding from the European Unions Horizon 2020 research and innovation program under the Marie Sklodowska-Curie grant agreement No. 675441. The author would like to gratefully acknowledge everyone involved in the VIPER project.

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