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RISS 인기검색어
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- 저자 : 한병기(B. K. Han) (검색결과 30 건)
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한병기,박봉현(B.K.Han),B.H.Park 한국자동차공학회 1998 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1998 No.5_2
In this paper, the thick-walled rectangular tubes are analyzed to evaluate the bent-buckling loads by semi-theoretical approach. The effect of material nonlinearity is considered for the case of the buckling behavior of the thick-walled tubes. The buckling behavior by bending forces is more complicate than that one by axial compression. The stress distributions at the loading edges are not simple when bending stresses are applied. Therefore, the modification factor is adopted to calculate the maximum bending moments. Analytical and experimental results are compared and close agreement of the results are observed.
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한병기,정강,유서열,Han, B.K.,Chung, K.,Yoo, S.Y. 대한기계학회 1991 대한기계학회논문집 Vol.15 No.1
Stiffened plate structure, which is generally used in the various structural design to develope the load carrying capacity, is classified in two groups; one is the plate stiffened with stiffeners, the other is corrugated plate. In the studies on those structures, the studies on the stiffened plates with stiffeners have been much studied with both quantities and qualities according to requirements of the minimum-weight structural design and the development in many industrial fields, especially automobile, ship and aerospace fields, but the studies on the corrugated plates are undeveloped in comparison with the stiffened plates, and also the analytical stiffness on the corrugated plates remains as the imperfect. In the present studies, the analytical method on the stiffness of corrugated plates made by folding is proposed, and the stiffness equation of corrugated plates with some angle is derived and generalized. The purpose of the present study is to contribute to the design of corrugated plates and to determine the optimum aspect ratio for parameters that decide the aspect of corrugated plates.
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한병기,이성희,Han, B.K,Lee, S.H 대한기계학회 1997 大韓機械學會論文集A Vol.21 No.12
In this study, free vibration analysis of double through-the-width split beam is studied based on the author's earlier work. Each segment which constructs double through-the-width split beam is considered as Timoshenko beam. The effect of coupling between longitudinal and transverse vibration on the natural frequencies of split beams is considered. Data acquisition and modal test of double split beam for clamped-free boundary condition are carried out. Experimental and numerical results obtained by ANSYS were compared with the calculated data by present theory and their comparisons give good agreement with one another. The influences of the size and location of double split, shear deformation, and boundary conditions on the natural frequencies are demonstrated for illustrative purpose. Effects of double split on the dynamic characteristics of beams can be used to detect the size and the location of damages in structures.
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KISS
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