Finite element vibration analysis of laminated composite parabolic thick plate frames

DAŞ O., ÖZTÜRK H., GÖNENLİ C.

STEEL AND COMPOSITE STRUCTURES, vol.35, no.1, pp.43-59, 2020 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 35 Issue: 1
  • Publication Date: 2020
  • Doi Number: 10.12989/scs.2020.35.1.043
  • Journal Name: STEEL AND COMPOSITE STRUCTURES
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Aerospace Database, Communication Abstracts, Compendex, Metadex, Civil Engineering Abstracts
  • Page Numbers: pp.43-59
  • Keywords: vibration analysis, parabolic frames, composite structures, first order shear deformation theory, finite element analysis, CYLINDRICAL-SHELLS, SHEAR, BEAMS
  • Dokuz Eylül University Affiliated: Yes

Abstract

In this study, free vibration analysis of laminated composite parabolic thick plate frames by using finite element method is introduced. Governing equations of an eigenvalue problem are obtained from First Order Shear Deformation Theory (FSDT). Finite element method is employed to obtain natural frequency values from the governing differential equations. The frames consist of two flat square plates and one singly curved plate. Parameters like radii of curvature, aspect ratio, ply orientation and boundary conditions are investigated to understand their effect on dynamic behavior of such a structure. In addition, multi-bay structures of such geometry with different stacking order are also taken into account. The composite frame structures are also modeled and simulated via ANSYS to verify the accuracy of the present study.