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Buckling Analysis of Stiffened Plates with Elastic Supports Subjected to In-Plane Bending Moment Considering Warping of End Stiffeners KCI 등재

지지단 보강재의 뒤틀림을 고려한 면내휩을 받는 탄성지지 보강판의 좌굴해석

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한국전산구조공학회 논문집 (Journal of the Computational Structural Engineering Institute of Korea)
한국전산구조공학회 (Computational Structural Engineering Institute of Korea)
초록

The main objective of this paper is to analyze the r('ctangular stiffened plates with two opposite ends elasti cally restrained and t he others simply supported subjected to in-plane bending by Finite Element κ1ethod. Another objecti ve is to develope Classical Method analyzing the unstiffened rectangular plates with the above boundary conditions. In order to validate finite element and classical methods, the buck , ling strengths of the rectangular plates with four simply supported ends, and with two simply supported and the others fixed ends by fini te element method and classical method are compared with those of references. In finite element method, elas tically restrained ends can be obtained as considering torsional and warping rigidities of end stiffeners. The buckling strengths of the rectangular plates with elastically restrained ends by finit e element and classical methods are calcu lated and compared with each other.In case of stiffened plates, to validate finite elernent rnethod, the buckling strengths of the rectangular stiffened plates with four sirnply supported ends, and with two sirnply supported and the others fixed ends are also cornpared with those of references. The buckling strengths of the rectangular stiffened plates with elastically restrained ends by finite elernent rnethod are calculated as solving eigenvalue problerns which are obtained as assernbling rectangular plate elernents and bearn elernents considered torsional and warping rigidities. The buckling strengths of rectangular stiffened plates according to various positions of rectangular intermediate stiffener, J and 1" of end stiffeners are also obtained, which are cornpared to deterrnine the efficient position of interrnediate stiffener.

저자
  • Lee Yong Soo(원광대학교 건축공학과) | 이용수