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Development of an Aeroelastic Code Based on an Euler / Navier-Stokes Aerodynamic Solver FREE

[+] Author Affiliations
Milind A. Bakhle, Rakesh Srivastava

University of Toledo, Cleveland, OH

George L. Stefko

NASA Lewis Research Center, Cleveland, OH

J. Mark Janus

Mississippi State University, Mississippi State, MS

Paper No. 96-GT-311, pp. V005T14A030; 8 pages
doi:10.1115/96-GT-311
From:
  • ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition
  • Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General
  • Birmingham, UK, June 10–13, 1996
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7876-7
  • Copyright © 1996 by ASME

abstract

This paper describes the development of an aeroelastic code (TURBO-AE) based on an Euler / Navier-Stokes unsteady aerodynamic analysis. A brief review of the relevant research in the area of propulsion aeroelasticity is presented. The paper briefly describes the original Euler / Navier-Stokes code (TURBO) and then details the development of the aeroelastic extenstons. The aeroelastic formulation is described. The modeling of the dynamics of the blade using a modal approach is detailed, along with the grid deformation approach used to model the elastic deformation of the blade. The work-per-cycle approach used to evaluate aeroelastic stability is described. Representative results used to verify the code are presented. At the present stage of development, the aeroelastic code is limited to in-phase blade motions. The paper concludes with an evaluation of the development thus far, and some plans for further development and validation of the TURBO-AE code.

Copyright © 1996 by ASME
This article is only available in the PDF format.

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