Journal of Navigation and Port Research 2002;26(3):311-316.
Published online August 31, 2002.
스프레더용 충격흡수기의 시스템 변화에 따른 최적설계
홍도관, 김동영, 한동섭, 안찬우, 한근조
The Optimum Design of Impact Absorbing System for Spreader in System Variations
Do-Kwan Hong, Dong-Young Kim, Dong-Seop Han, Chan-Woo Ahn, Geun-Jo Han
Abstract
On this study, to develop the impact absorbing system for spreader, we operated the dynamic response for models three types consisting of spring and oil damper by the finite element analysis. Also, in the three types of impact absorbing system, we set the restricted stroke of piston to the static variables and the optimum design was operated to have the minimum value of the reaction force for the impact. As the result, the direct model of two degree of freedom system has lowest value, the model of one degree of freedom system has higher value than that and the parallel model of two degree of freedom system has the highest value. And we studied the effect that the change of spring constant and damping coefficient affect to the reaction force and as the result of the optimum design, we found that reaction force has the lowest value in the each of models.
Key Words: Impact absorbing system;Spreader;Vibration analysis;Reaction force;Optimum design


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