Vibration Analysis of Rotating Cambered Helicoidal Turbomachine Blades PUBLIC ACCESS

[+] Author Affiliations
J. S. Rao, C. V. Ramakrishnan, K. Gupta, K. K. Rao

Indian Institute of Technology, New Delhi, India

Paper No. 97-GT-299, pp. V004T14A052; 6 pages
  • ASME 1997 International Gas Turbine and Aeroengine Congress and Exhibition
  • Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award
  • Orlando, Florida, USA, June 2–5, 1997
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7871-2
  • Copyright © 1997 by ASME


A procedure for the vibration analysis of rotating cambered helicoidal blades using curved shell finite element based on Mindlin theory is given. The strain displacement relations of Gol den’veizer are used in the development of a thick doubly curved helicoidal shell element including initial in-plane stress effect. The method is applied to rotating cambered pretwisted blades.

Copyright © 1997 by ASME
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