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CAI Tian-xing, XU Min, YAO Wei-gang, DOU Yi-bin. TRANSIENT LOAD ON SUPERSONIC FIN ANALYSIS BASED ON CFD/CSD COUPLING[J]. Engineering Mechanics, 2011, 28(3): 245-250.
Citation: CAI Tian-xing, XU Min, YAO Wei-gang, DOU Yi-bin. TRANSIENT LOAD ON SUPERSONIC FIN ANALYSIS BASED ON CFD/CSD COUPLING[J]. Engineering Mechanics, 2011, 28(3): 245-250.
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TRANSIENT LOAD ON SUPERSONIC FIN ANALYSIS BASED ON CFD/CSD COUPLING

  • (College of Astronautics, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, China)

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  • Received Date: December 31, 1899
  • Revised Date: December 31, 1899
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    • Abstract
  • The main goal of this paper is to analyze the displacement and stress of a supersonic fin on a transient dynamic load. The reduced order mode(ROM) based on Volterra Series is presented to calculate the flutter boundary, and CFD/CSD coupling is used to calculate the transient aerodynamic load. Transfer the load to a structural model by using FEFN (finite element four nodes) in a parametric space for a transient response analysis. The results show that due to the aerodynamic load and the inertia force through vibration, the maximum bending stress on the root of the axis is about 3 times than the stress induced by static aerodynamic loads.
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