비선형 회전 스프링 요소를 갖는 공간 프레임 구조의 비선형 해석에 관한 연구 A study on the nonlinear analysis of spatial frame structures with nonlinear rotational spring elements

Three dimensional frame structures with such nonlinearities as large displacements, medium rotations, plastic hinges and local defects are efficiently analyzed by introducing the nonlinear rotational spring. Formulations are based on the incremental updated Lagrangian descriptions and the virtual work principle, Axial displacement and twisted angle in beam elements are interpolated linearly, while bending displacements are approximated by the Hermite polynomials. The modified are length method is used as a solution method. The moment-angle of rotation relationship obtained analytically or experimentally can be easily incorporated into the solution procedure. Several examples tested show that the present method can be used efficiently in analyzing nonlinear frame structures with plastic hinges or local defect.
Publisher
한국자동차공학회
Issue Date
1990-01
Language
KOR
Citation

오토저널, v.12, no.2, pp.29 - 42

ISSN
1225-3073
URI
http://hdl.handle.net/10203/57343
Appears in Collection
ME-Journal Papers(저널논문)
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