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이기선(Gy-Sun Lee),신영훈(Young-Hun Shin),이영민(Young-Min Lee),김인학(In-Hack Kim) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.11
In this study, to obtain basic data for the shape design of the safety plate that is used in the battery section of underwater vehicle, we carried out the structure analysis and pressure tests about it. The safety plate is the important part that prevents the breakage of a underwater moving body by the pressure increase inside that. The safety plate must holds pressure outside and inside of a moving body and clear up pressure increase by the burning of a battery section inside it. So, to design the shape of a safety plate is satisfied these conditions, we carried out structure analysis and pressure tests and designed and applied these results to the shape design of the safety plate these results.
장재웅(Jae Woong Jang),이기선(Gy Sun Lee),신영훈(Young Hun Shin),김형렬(Hyeong Ryeol Kim) 대한기계학회 2011 대한기계학회 춘추학술대회 Vol.2011 No.10
The destruction aspect of the materials appears differently depending on the behavior of load acting on the materials. Otherwise, the behavior of materials on the static load is different from the behavior of materials on the impact load. In this study, the variation in maximum shearing stress of copper shear pin depending on the shearing rate is researched. The input velocity of shear load goes increase, but the initial and last shearing rate are constant within a cycle of all. The pre-analysis has been proceeded using the method of explicit dynamic analysis which are Ansys and Autodyn. And then, the experimental shearing performance research has proceeded to confirm these phenomena.