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Scaled down models for free vibration analysis of orthogonally stiffened cylindrical shells using similitude theory
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Scaled down models for free vibration analysis of orthogonally stiffened cylindrical shells using similitude theory

Torkamani, S

Scaled down models for free vibration analysis of orthogonally stiffened cylindrical shells using similitude theory

Torkamani, S ; Sharif University of Technology | 2008

110 Viewed
  1. Type of Document: Article
  2. Publisher: 2008
  3. Abstract:
  4. In this paper, the necessary similarity conditions, or scaling laws, for free vibrations of orthogonally stiffened cylindrical shells are developed using similitude theory. The Donnelltype nonlinear strain-displacement relations along with smearing theory are used to model the structure. Then the principle of virtual work is used to analyze the free vibration of the stiffened shell. After nondimensionalizing the derived formulations, the scaling laws are developed, using similitude theory. Then, different examples are solved to validate the scaling laws numerically and experimentally. The obtained results show the effectiveness of the derived formulations
  5. Keywords:
  6. Free vibration ; Free-vibration analysis ; Principle of virtual work ; Scaling down ; Similitude theory ; Stiffened cylindrical shell ; Stiffened shells ; Strain-displacement relation ; Aerodynamics ; Cylinders (shapes) ; Scaling laws ; Vibration analysis ; Shells (structures)
  7. Source: 26th Congress of International Council of the Aeronautical Sciences 2008, ICAS 2008, Anchorage, AK, 14 September 2008 through 19 September 2008 ; Volume 2 , 2008 , Pages 3458-3469 ; 9781605607153 (ISBN)
  8. URL: http://www.icas.org/ICAS_ARCHIVE/ICAS2008/PAPERS/569.PDF