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박정호(Jeong-Ho Park),김문경(Moon-Kyung Kim),최석창(Suk-Chang Choi) 한국기계가공학회 2010 한국기계가공학회지 Vol.9 No.3
Cylinder block is driven by tapered piston for bent-axis type piston pump, so that geometrical mechanism is very complicate. Piston rod must have not separated from shaft when shaft and piston rod is assembled. For this reason, shaft design is changed. Finite element analysis is performed for analyzed structural stability and flexible dynamic behavior. The result of the analysis, maximum equivalent stress occurred under yield stress, therefore structural stability is satisfactory, and flexible dynamic analysis give useful information about driving gear. These background data is avail of manufacture of piston pump.
김종수(Chong-soo Kim),최우형(Woo-hyung Choi),김용태(Young-tea Kim),최석창(Suk-chang Choi),한성현(Sung-hyun Han),김치원(Chi-weon Kim) 한국자동차공학회 2000 한국자동차공학회 지부 학술대회 논문집 Vol.- No.-
In this paper, we developed a Windows 98 version off-line programming system much can simulate a track vehicle model in 3D graphics space. The track vehicle was adopted as an objective model. The interface between users and the off-line program system in the Windows 98's graphic user interface environment was also studied. The developing language is Microsoft Visual C++. Graphic libraries, OpenGL, by Silicon Graphics, Inc. were utilized for 3D Graphics.<br/>
좌굴, 진동, 강도를 고려한 천장크레인의 경량화에 관한 연구
구경민(Kyung-min Gu),홍도관(Do-kwan Hong),최석창(Suk-chang Choi),한근조(Geun-Jo Han),안찬우(Chan-woo Ahn) 대한기계학회 2002 대한기계학회 춘추학술대회 Vol.2002 No.5
In this study, structural optimum design was applied to the girder of magnet over head crane. The optimization was carried out using ANSYS Code for the deadweight of girder, especially focused on the thickness of its upper, lower, side and reinforced plates. The weight could be reduced up to around 15 % with constraints of its deformation, stress, natural frequency and buckling strength. The structural safety was also verified by the buckling analysis of its panel structure. It might be thought to be very useful to design the conventional structures for the weight save through the structural optimization. Also this paper grasped the sensitivity influenced the design variables upon the objective function and the state variables.
건축물 외장의 배색 유형에 관한 연구 : 광주광역시 금남로 가로 건축물을 중심으로
이청웅,최석창,김양석,하주아 조선대학교 국토개발연구소 1997 국토개발연구 Vol.17 No.1
Since the urban environmental colors as a starting point of the research on environmental colors of the building depend on the environmental characteristics of the complex and various physical and social culture to improve the visual order of the urban landscape and don't establish its system and order, the importance of the visual effects of urban environment has been suggested through the experimental and theoretical research. It is to want to abstract the factor of surface pattern from the side of two dimentional physical factor and perceptual of architecture surface construction by concreting calssifing the criterion of analysis in to rank phase, perceptual concept, finding out basic composition factor of shape and opening architecture surface construction of design. To suggest the material of mere practical color design, this study examines the research of exterial colors of the building on the street, prescribes the characteristics of the building with other environmental factors which compose the colors and aims at suggesting the actual color design materials making the trend of colors the object of the research.
李晴雄,崔錫昌,朴佶雨 朝鮮大學校 建設技術硏究所 1998 建設技術硏究 Vol.18 No.1
University library requires a lot of changes in the quantity and quality of all kinds of services it provides in accordance with the world trend which the library services is computerized by the increase of information and a new concept and the various requirements of library building itself are appeared. Although reading room in library is the important space to be corresponded flexibly to the change of educational methods and systems, most of the library users have a negative recognition of the environment of reading room and then the improvement and consideration of the facilities are urgently needed. This study is to investigate plan composition of the reading room which is the core space of library for collecting, arranging, analyzing and keeping data for research and educational activity of users. The national universities use the closed reading room type as the operating method of library, but it should be converted into open typed reading room which connects the users with books and the reading system by themes which can seek the division of function and efficiency is accepted.