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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2013, Vol. 34 ›› Issue (10): 2383-2390.doi: 10.7527/S1000-6893.2013.0076

• Solid Mechanics and Vehicle Conceptual Design • Previous Articles     Next Articles

Research on Methods Used to Determine Flutter Model Design Factors

LUO Wukui1, TAN Shen'gang2, XIE Huaiqiang1, HUO Yingyuan1   

  1. 1. Aircraft Strength Design and Research Department, AVIC First Aircraft Institute, Xi'an 710089, China;
    2. The Chief Designer Office, AVIC First Aircraft Institute, Xi'an 710089, China
  • Received:2012-12-07 Revised:2013-01-21 Online:2013-10-25 Published:2013-01-25

Abstract:

Aircraft flutter test model design and actual testing are often delayed because of inaccurate model design parameters, and there are few research publications in this field. This paper studied the basic design scales and other factors such as overweight ratio, section shape, equivalent mass ratio, etc., for flutter test model design. Meanwhile, it discussed the equivalent mass ratio and the section dimensional ratio of the aircraft basic spar frame model. They are convenient concepts to evaluate the basic design scales and other factors for designing flutter test models. As an example, reasonable design scales and factors are provided by the proposed method for an aircraft component flutter model design, which thus succeeds in solving potential problems in the primary stage and shortens the design and manufacture period of the test model from 6 to 3 months.

Key words: flutter model, equivalent mass ratio, section dimensional scale, overweight ratio, section shape factor

CLC Number: