Applied Mathematics and Mechanics (English Edition) ›› 1986, Vol. 7 ›› Issue (4): 315-326.

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BUCKLING ANALYSIS OF DISCRETELY STIFFENED COMPOSITE CURVED PANELS UNDER COMPRESSION AND SHEAR

Tong X. X.1, B. Geier2, K. Rohwer2   

  1. 1. Institute for Structural Mechanics ofCAE, Beijing;
    2. Institute for Structural Mechanics of DFVLR, West Germany
  • Received:1985-05-09 Online:1986-04-18 Published:1986-04-18

Abstract: An analytical method for the buckling discretely thin-wall stiffened composite curved panels under compression and shear is presented by use of finite strip-element method.In the report a simplified scheme for complex displacement functions is developed. It enables that computation to be performed in real number algebra easily. And a simple and easy way to satisify the boundary conditions is introduced.Numerical results are given and are in good agreement with available data.

Key words: principal resonance, visco-elastic system, multiple scale method, largest Liapunov exponent, bifurcation

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