• 복식
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• 제59권6호
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• pp.106-117
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• 2009

The purpose of this study is to present a new vision for high value-added knit wear design by designing and producing knitted one-piece dress by digital textile printing which based on digital making a new industry, culture, and lifestyle in a new millenium. According as casual fashion is more and more popular, preferring knit wear, a key item of casual fashion, continues to increases. Therefore it is important to study knit wear design practically, try a new technique, and represent creative designs. As a method of the study, visual and textural data were investigated for theory of knit and DTP and a variety of knit design samples were illustrated Especially, to perform a study based on the industry, this researcher worked and experienced at J fashion Ltd., knit wear promotion company. Firstly, the theory of DTP was investigated and then 3 knitted one-pieces were designed and produced. The concept of design was digital geometry which represented chic and modern image in digital age. Target was city adult group from the late teens to the late twenties and keeping open mind and active lifestyle and enjoying the activity and unique characteristics of knit wear. This study has developed knitted one-piece design by DTP technique which has been generally applied to woven fabric. This is of great significant in opening a new way of high value-added knit wear design.

• 한국전산구조공학회논문집
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• 제21권6호
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• pp.563-569
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• 2008

본 논문에서는 유도무기 통합 설계 프레임워크를 위한 데이터베이스를 설계하였다. 실제 개발에 앞서 유도무기 설계에 필요한 데이터베이스를 위한 요구도를 분석하였으며, 데이터베이스 설계 개념을 정립하였다. 또한 해석도구 간의 데이터흐름 등을 파악하였으며, 이들 정보를 토대로 테이블들을 구성하고 각 객체관계를 정의하여 데이터베이스 스키마를 설계 및 구축하였다. 개발된 DB는 유도무기 통합 설계 프레임워크에 통합되었으며 프레임워크내의 데이터 저장, 검색 및 관리 등의 역할을 수행하며, 유도무기 설계에 적용하여 그 효용성을 검증하였다.

• 한국콘텐츠학회:학술대회논문집
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• 한국콘텐츠학회 2010년도 춘계 종합학술대회 논문집
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• pp.520-523
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• 2010

I investigated the styles of progress bar in the top 8 China's websites. According to the authoritative literature, I calculated the time which each kind of operation needed. I investigated 400 examples which were used the progress bar. The statistical result confirmed my idea - progress bar's style and user's waiting time has the relations. Finally, I gave the revision comment which the progress bar's style improvement.

• Journal of Advanced Marine Engineering and Technology
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• 제14권4호
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• pp.72-80
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• 1990

In this paper, the gas dynamic effects of the suction pipe systems which have resinators are investigated on the volumetric efficiency are theoretically investigated by the engine performance simulation program which has been already developed. As the results, the optimum design method of the suction pipe system which has the overall high the flat characteristic curve of volumetric efficiency is developed in case of one cylinder engine.

• 제어로봇시스템학회:학술대회논문집
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• 제어로봇시스템학회 1997년도 한국자동제어학술회의논문집; 한국전력공사 서울연수원; 17-18 Oct. 1997
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• pp.1754-1757
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• 1997

Three-dimensional optimum design of coat-hanger die is performed using power-law and Carreau models. It is found that the three-dimensional optimum design algorithm shows good convergence with the non-Newtonian fludis. the nore realistic optimum design is accomplished by employing Carreau model with the three-dimensional design method. The effect of vixcosity modles is investigated by comparing the optimum manifold profiles and flow rate distributions of power-law and Carreau modles. Through the accurated viscosity representation of Carreau model, the effect of total flow rate on the optimum manifold profile is investigated.

• 한국조명전기설비학회:학술대회논문집
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• 한국조명전기설비학회 2007년도 추계학술대회 논문집
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• pp.209-212
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• 2007

It is increased electrical energy consumption with the development of intelligence society in buildings and thus an energy conservation through efficient use of electricity and reliability, safety, etc became more important. This research paper intensively investigated performance based construction specifications and design criteria of electrical installations in domestic and foreign country. It is necessary to analyze the key features based on performance and general trend about contractor guarantee, warranty method, performance design criteria from the investigated data. This paper shows a reasonable performance based construction specifications and design criteria of electrical installations.

• 한국소성가공학회:학술대회논문집
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• 한국소성가공학회 2006년도 춘계학술대회 논문집
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• pp.153-158
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• 2006

Nowadays, hollow upper-shaft of monobloc type has been considered for weight reduction and high quality in the automobile industry. To form the upper-shaft under tube cold extrusion, Taguchi method is applied to optimize the die design in this study. Taguchi method for optimum die design is to establish the optimal combination of design parameters and to reduce a number of experiments. Effect of parameters including the die relief, mandrel, die half angle is investigated and analyzed based on FEA analysis using a FEM commercial software MSC_Marc. Furthermore extrusion experiments have been performed to verify the results investigated in the FEM simulations.

• 한국철도학회:학술대회논문집
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• 한국철도학회 2007년도 춘계학술대회 논문집
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• pp.698-704
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• 2007

Articulated vehicles which have a pivoting joint allowing the vehicle to rotate more easily are difficult to turn the curves because of their long length. In order to review operational safety, turning characteristics related to geometric design should be investigated when articulated vehicles run on the road which can be interfered with other vehicles. The vehicles to review the turning characteristics are the normal articulated bus in Seoul with FWS(front wheel steering) and new bimodal tram with AWS(all wheel steering). Steering characteristics and geometric design were investigated such as turning radius, offtracking, swept path width and swingout. The results were reviewed with respect to the standards of vehicle safety and road design.

• 소성∙가공
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• 제6권4호
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• pp.329-337
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• 1997

Forging of an inner pulley for compressor clutch assembly of car air conditioner is investigated in this study. In cold forging of inner pulley, the design requirements are to keep the same height of the inner rib and the outer one, and to make uniform the hardness distribution in the forged product. Using the rigid-plastic finite element simulation. we design the optimal process conditions, which has a performing operation. Also the final product configuration of forging has to be designed again in view of the metal flow involved in the operation, derived from the finite element simulations. The forged pulley is investigated by checking the hardness distribution and it is noted that the distribution has improved to be even and high enough for industrial application.

• 한국소음진동공학회:학술대회논문집
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• 한국소음진동공학회 2006년도 춘계학술대회논문집
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• pp.1061-1064
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• 2006

Optimal design of functionally graded plates is investigated considering stress and critical temperature. Material properties are assumed to be temperature dependent and varied continuously in the thickness direction. The effective material properties are obtained by applying linear rule of mixtures. The 3-D finite element model is adopted using an 18-node solid element to analyze more accurately the variation of material properties and temperature field in the thickness direction. For stress analysis, the tensile stress ratio and compressive stress ratio of the structure under mechanical load are investigated. In the thermo-mechanical buckling analysis, temperature at each node is obtained by solving the steady-state heat transfer problem and Newton-Raphson method is used for material nonlinear analysis. Finally, the optimal design of FGM plates is studied for stress reduction and improving thermo-mechanical buckling behavior, simultaneously.