FINITE STRIP ANALYSIS OF FOLDED LAMINATED COMPOSITE PLATES

유한대판법에 의한 복합적층절판의 해석

  • 윤석호 (경동대학교 토목설계공학과) ;
  • 한성천 (대원과학대학 토목과) ;
  • 장석윤 (서울시립대학교 토목공학과)
  • Received : 2000.08.07
  • Published : 2001.02.27

Abstract

In this paper the analysis of laminate composite folded plates with arbitrary angle connection like box girder is studied by finite strip method Total stiffness of laminated plate is obtained by integration of the stiffness in each layer or lamina through laminate thickness and total stiffness in each layer or lamina through laminate thickness and total tiffness matrix is obtained by substitutionto equilibrium equation derived from the minimum total potential energy theorem. The assumed displacement functions for a finite strip method in plate or box girder analysis are combinations of one-way polynomial functions in the transverse direction and harmonic functions in the span-wise direction. Finite strip method with the merits of the simplification in modeling and the reduction of analytical time is accurate in the analysis of laminate composite folded plates shaped like box firders.

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