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서원영(Won-Young Seo),이병호(Byoung-Ho Lee),배성용(Sung-Yong Bae) 대한조선학회 2011 대한조선학회 학술대회자료집 Vol.2011 No.6
Rectangular tanks in contact with fluid are used in various fields of civil, mechanical and marine engineering. Especially in the marine engineering, resonance from exciting force of an engine and propeller causes fatigue damages of tanks. Vibration characteristics of these tanks in contact with fluid are significantly affected by added mass of fluid. Therefore, it is very important to estimate the added mass effect to predict vibration of the tank structures. However, it is difficult to estimate exactly the effect of added mass because of a fluid-structure interaction problem, free surface, vibration modes of structural panels and the depth of water. In this paper, each vibration mode of panels is calculated to consider structural coupling effects between side plates of a deep tank and added mass changing the height of the tank. A numerical tool using finite elements in plates and boundary elements in fluid region is used to analyse the three dimensional tank structure in contact with fluid.
서원영(Won-Young Seo),이원섭(Wonsup Lee) 한국디지털콘텐츠학회 2024 한국디지털콘텐츠학회논문지 Vol.25 No.2
This study analyzed the interface style of media services provided by smartphones and the types and cases of behavioral addiction according to the type of media service. The media services were classified into different categories such as social networking services, over-the-top services, casual games, and internet shopping. Then, the content playability of representative media services in each category and six types of interface patterns that induce behavioral addiction were investigated. This study also analyzed the types of behavioral addiction, different interfaces, and the interactive elements that cause behavioral addiction in terms of the action of neurotransmitters. Finally, the self-control strategy for overcoming addictive consumption of media content was considered.
전시장 유니버설디자인 가이드라인 작성을 위한 기초연구 - 국립중앙박물관을 중심으로 -
서원영(Seo, Won Young),이경훈(Lee, Kyung-Hoon) 대한건축학회 2020 대한건축학회 학술발표대회 논문집 Vol.40 No.1
The purpose of this study is to develop a tool to evaluate the exhibition environment from a universal design perspective and to analyze the National Museum of Korea as an example. With the development of a welfare society, interest and investment in cultural spaces are increasing, yet there are many limitations in such environment, not considering various people. Therefore, in this paper, an evaluation element was derived by reviewing literatures and guidelines, and based on this, the National Museum of Korea will be investigated to identify the points to be modified and suggest improvement.
UX(사용자 경험)분석을 통한 앱 인터페이스 개선에 관한 연구 - 대학생 학사관리 사이트를 중심으로
김예람(Yea Ram Kim),서원영(Won Young Seo),임성빈(Seong Bin Im),임태하(Tae Ha Lim),이원섭(Won Seop Lee) 한국HCI학회 2021 한국HCI학회 학술대회 Vol.2021 No.1
This study aims to research and propose a mobile application interface design prototype for college student’s academic management from the user’s point of view. Interviewing users who have experienced the student website of Handong University to which the research team belongs, the academic management system (HISNet) is causing inconvenience in terms of visibility, accessibility, and ease of use, and is not optimized for mobile size and not providing personalized information. Based on the user’s experience, we designed a new app interface and applied the Kansei engineering theory to conduct the user test from an emotional engineering perspective. This study’s significance is that it finds problems from students’ experiences who are the primary agents of the use of the academic management system and that it is a design designed directly by students.
이천식(Cheon Sik Lee),서원영(Won Young Seo),오성웅(Seong Ung Oh),이재준(Jae Jun Lee),김종인(Jong In Kim),이성주(Seong Joo Lee) 대한내과학회 1988 대한내과학회지 Vol.35 No.3
N/A One hundred and sixty five cases of uper gastrointestinal bleeding were examined by fiberoptic endoscopy at Busan Medical Center from July 19S4 to June 1987. The results obtained were as follows; 1) The sex incidence of upper gastrointestinal bleeding revealed a greater prevalence in males than in females with a ratio of 4 to 1 and the peak age group were in the 5th and 6th decades. 2) The causative disease which were found to protace upper gastrointestinal bleeding were in the order of frequency of peptic ulcer (43.0%), esophageal varices (21.8%), hemorrhagic gastritis(18.8%), stomach cancer (9.1%), Mallory-Weiss syndrome (3,6%) and marginal ulcer. The incidence of upper gastrointestinal bleeding of unknown origin was 3.1%. 3) On of cyamination the mode of upper gastrointestinal bleeding, the incidence of melenal only was noted in 36.4% of the cases, hemestasis only in 32.7% and hematemesis with melena in 30.9%. 4) The severity of upper gastrointestinal bleeding was classified by cammock's criteria as massive in 46.1%, moderate in 40.0% and mild in 13.9% of the cases. 5) The frequency of upper gastrointestinal bleeding at admission was first time bleeding in 41.8% of the cases, second time bleeding in 20.0% third time bleeding in 17.0% and over third time bleeding in 21.2%. 6) The success rate in identifying the bleeding site in relation to the time of endoscopy after upper gastrointestinal bleeding began was 69.4% within 24 hours, 54.3% in 24-48 hours, 17.9% In 48-72 hours and 7.7% after 7 days, The success rate fell with increasing time after upper gastrointestinal bleeding began, 7) The factors which influenced the outcome of upper gastrointestinal bleeding was age, severity of bleeding and episode of bleeding. The overall mortality rate was 9.7%