• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 20 Issue 6
Dec.  2007
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Article Contents
CHEN Dalin, YANG Yiren, HU Shaoquan, FAN Chenguang. Thermoelastic Flutter of a Two-Dimensional Thin Plate in Supersonic Airflow[J]. Journal of Southwest Jiaotong University, 2007, 20(6): 691-694.
Citation: CHEN Dalin, YANG Yiren, HU Shaoquan, FAN Chenguang. Thermoelastic Flutter of a Two-Dimensional Thin Plate in Supersonic Airflow[J]. Journal of Southwest Jiaotong University, 2007, 20(6): 691-694.

Thermoelastic Flutter of a Two-Dimensional Thin Plate in Supersonic Airflow

  • Received Date: 26 Nov 2006
  • Publish Date: 25 Dec 2007
  • A nonlinear dynamic model for a two-dimensional thin plate in supersonic or hypersonic airflow was derived using the von-Karman’s geometrical nonlinear strain-displacement relation.In model,the first order piston theory is used to simulate the aerodynamic load.The equations in the model were discretized by the assumption mode method and the Galerkin approach,and solved by the Runge-Kutta numerical method.The results were illustrated by bifurcation and phase-plane diagrams.These results indicate that temperature decreases the stability of the plate,and that as the dynamic pressure increases the motion of the system changes from steady state to periodic state,then to chaotic state.

     

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