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플라스틱 유동해석 프로그램을 이용한 자동차 도어 핸들의 유동예측
한성렬(S. R. Han),강철민(C. M. Kang),유호종(H. J. Yoo),정영득(Y. D. Jeong) 한국정밀공학회 2004 한국정밀공학회 학술발표대회 논문집 Vol.2004 No.10월
Automobile door-handle is assembled with three parts that are base, skin and cover. Over-molding processing makes assembly of the base and skin. The skin part that was made by PVC polymer has various thickness. Plastic injection molding simulation of part including significant changed thickness as skin is an inaccuracy comparing with real injection molding. To solve this problem, two commercial flow prediction software that are Moldflow MPI and MAPS 3D were used in this study. Simulations were conducted for three types mesh. Taguchi method was applied for simulation experiments. It will be need to compare with simulation results and real over-molding behavior in the near future.
裵仁根,柳昊鐘,李華永,梁文浩 최신의학사 1973 最新醫學 Vol.16 No.10
A case of ruptured sumucosal aneurysm of the jejunum is reported. Clinical manifestation was massive upper gastrointestinal hemorrhage of unknow unknown cause. The lesion is considered to ae congenital. The clincal findings in this case could not lead one to a correct preoperative diagnosis of so rare a lesion, but the diagnosis was made easier at laparotomy by the presence of a small rice sized protruding adherent clot simulating a small polyp. The literatures reviewed uncovered only three other occurrences, one of them fatal.