한국공간구조학회논문집 (Journal of Korean Association for Spatial Structures)
- 제2권4호
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- Pages.45-52
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- 2002
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- 1598-4095(pISSN)
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- 2287-7401(eISSN)
강성분포가 주기성을 갖는 구형쉘의 좌굴해석
Buckling Analysis of Spherical Shells that Rigidity-Distribution has Periodicity
초록
Research about spherical shells been applying most usually is achieved by many investigators already and generalized equation has been derived. But, existent research is limited in case that spherical shell's roof rigidity is isotropy or orthotropy, and research that consider periodicity of rigidity-distribution that can happen by doing spherical shell's roof system by lattice system is not gone entirely. The purpose of this paper is applying Galerkin method to spherical shell that model periodicity of roof rigidity distribution that appear by roof lattice form of large space structure and develop structural analysis program that formularize. Rigidity-model of this research selects that of spherical shell which has 2-way grid. In this paper, buckling-strength and deformation distribution of isotopic spherical shell and 2-way grid spherical shell obtained by developed program could confirm the reliability by comparison with result of existent research.