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    Fan Flutter Computations Using the Harmonic Balance Method (2009)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: An experimental forward-swept fan encountered flutter at part-speed conditions during wind tunnel testing. A new propulsion aeroelasticity code, based on a computational fluid dynamics (CFD) approach, was used to model the aeroelastic behavior of this fan. This threedimensional code models the unsteady flowfield due to blade vibrations using a harmonic balance method to solve the Navier-Stokes equations. This paper describes the flutter calculations and compares the results to experimental measurements and previous results from a time-accurate propulsion aeroelasticity code.
    Keywords: Aircraft Propulsion and Power
    Type: NASA/TM-2009-215301 , AIAA Paper-2008-4743 , E-16570 , 44th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit; Jul 21, 2008 - Jul 23, 2008; Connecticut; United States
    Format: application/pdf
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