• 복식
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• 제64권3호
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• pp.32-46
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• 2014

The purpose of this study is to propose a solution for Goguryeo costume and its materials, colors, patterns, and accessories, which have not been dealt with in precedent studies and were treated as irrelevant subjects. The specific object of reconstruction with identification from the historical viewpoint is noble woman's costume(Yu and Gun) on the mural paintings of Jang-Cheon No.1 tomb in Jip-An province. As above, the reconstruction process of Yu(Jacket) and Gun(Skirt) worn by noble woman as depicted on the mural painting of the Baek-Hee-Gi-Ak-Do(百戱伎樂圖) in Jang-Cheon No.1 ancient tomb is suggested in this study. The most important issue for consideration was how to represent and exhibit it so that it resembles the mural painting as closely as possible. And the problems that arose at the time were the ratio and silhouette, which revealed disparities between the one on the mural painting and the costumes reproduced with identification from a historical viewpoint. The most difficult aspect of this work was due to the fact that the actual mural paintings were not available for verification. Therefore accuracy on details such as structure, materials, colors, patterns and accessory were difficult to obtain. So a further analysis of patterns, silhouettes, materials and colors are required for the precise representation of costume and dress on the mural painting.

• 한국의상디자인학회지
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• 제17권2호
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• pp.63-78
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• 2015

The purpose of this study is to compare the style of clothing by type of the Goguryeo and Xianbei Tribe based on the examination of the literature centered on the historical relationship between Goguryeo and Xianbei Tribe. The research results are as follows. First, it was found that both the apparels of Goguryeo and Xianbei Tribe had hemp cloth with the V-neckline with the blocked front part and hemp cloth with the open front that is worn by overlapping the straight collars of the upper garment. Both men and women wore the garment of the straight line collar that is worn by folding towards the left or right, or upper garment of the round shaped collar. Women wore an upper garment with short sleeves on top of the upper garment of Korean traditional clothes while men wore pants for the lower garment, and women wore skirt and apron with triangular cloth decoration on top of the skirt. Second, Goguryeo Anak Tomb No. 3 mural painting(year 357) shows that apparel worn by the lady who is the wife of the owner of the tomb is similar to the apparel worn by the lady in the lacquer painting for folding screen of the Sima Jinlong Tomb ancient painting on the woman of chaste reputation in terms of the form and structure.

• 복식문화연구
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• 제31권2호
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• pp.228-247
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• 2023

In this study, an empirical analysis was conducted on the use of Korean design elements in the Hanbokwave project in 2022 in order to identify the expressed fashion characteristics and define Korean style. A case study was conducted on 98 items of clothing representing 10 Hanbok designer brands, and an analysis card was developed and used that classifies the silhouette of each item in detail. The analysis showed that in addition to the traditional skirt and Jeogori, the four stages of simulakr's image were prevalent in various fashion items such as shirts, blouses, jackets, crop tops, vests, dresses, and pants. In the composition of sleeves, many western clothing methods such as set-in-sleeve use and adjustment, hardcover buttons, and zippers were used to fuse the three-dimensional structure of western clothing and elements of traditional Hanbok to redefine it as postmodernism. It was recognized as a modern fashion, such as the trend of mixing and matching tops and bottoms, not a skirt and Jeogori set, by layering traditional clothes without hesitation or using them as a dress. As for the silhouette of the bottoms, the A-line showed a high frequency, and the prominent shape was identified as a traditional element widely used in modern Hanboks along with the element of wrinkles. This study is thought to be used as practical data for design development for the globalization of K-fashion in the future.

• 한국수자원학회논문집
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• 제38권8호
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• pp.665-674
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• 2005

본 연구의 목적은 농업용 저수지 유입부에 설치된 3가지 유형(준설형, 차수막형, 보조댐형)의 침강지에 대한 수질정화효율 평가와 수질정화효율 면에서 유리한 침강지의 유형과 적정규모를 살펴보는데 있다. 이를 위해서 주요 수질 항목에 대한 정화효율과 침강지 설치전후의 퇴적물의 이화학적특성을 조사하였다. 수질정화효율은 침강지 유형, 수질항목 및 조사시기에 따라 $-87\%$에서 $92\%$사이의 넓은 변동을 보였다. 농도회귀법(ROC)으로 평가한 설계정화효율은 준설형이 $18\%$, 차수막형이 $29\%$, 보조댐형이 $42\%$로 나타났다. 보조댐형에서는 퇴적물의 이화학적특성 변화가 있었으나, 다른 두 유형에서는 미미하였다. 정화효율, 배수면적 대 유역면적비(SAR), 체류시간 측면에서 비교한 결과, 보조댐형 침강지가 가장 유리한 것으로 나타났다. 따라서 침강지는 저수지 수체와 완전히 분리되는 구조이면서 SAR가 $0.7{\sim}1.0\%$ 정도인 규모가 적절하다. 

• Coupled systems mechanics
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• 제1권4호
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• pp.381-395
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• 2012

Dynamic response of Pile Supported Structures is highly depended on Soil Pile Structure Interaction. In this paper, by comparison of experimental and numerical dynamic responses of a prototype jacket offshore platform for both hinge based and pile supported boundary conditions, effect of soil-pile-structure interaction on dynamic characteristics of this platform is studied. Jacket and deck of a prototype platform is installed on a hinge-based case first and then platform is installed on eight skirt piles embedded on continuum monolayer sand. Dynamic characteristics of platform in term of natural frequencies, mode shapes and modal damping are compared for both cases. Effects of adding and removing vertical bracing members in top bay of jacket on dynamic characteristics of platform for both boundary conditions are also studied. Numerical simulation of responses for the studied platform is also performed for both mentioned cases using capability of ABAQUS and SACS software. The 3D model using ABAQUS software is created using solid elements for soil and beam elements for jacket, deck and pile members. Mohr-Coulomb failure criterion and pile-soil interface element are used for considering nonlinear pile soil structure interaction. Simplified modeling of soil-pile-structure interaction effect is also studied using SACS software. It is observed that dynamic characteristics of the system changes significantly due to soil-pile-structure interaction. Meanwhile, both of complex and simplified (ABAQUS and SACS, respectively) models can predict this effect accurately for such platforms subjected to dynamic loading in small range of deformation.

• 복식
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• 제59권5호
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• pp.135-151
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• 2009

This study aims to estimate the chronical year of 'Euiin'-Park's clothes excavated costumes from the tomb of 'Lady Euiim-Park's which has been stocked in Gyeonggi Provincial Museum. The methods of this study is, observed structure and style of clothes and characterize and compared with other similar clothes excavated from other tombs. The result showed Park's clothes was estimated to be from the mid to late 16th century. The elements that enable us to estimate the period are first of all the wearing of women's Dan-ryung, and the shape of the gore and sleeve. Second the shape of Jegory's collar, and Gyron-ma-gi. Third the form of layered skirt and Somaja[hat]. Fourth tiger hyung-bae which embroidered patches on the breast and back of official uniforms. Last, the style and types of Jinju-Ryu's who's the spouse clothes. It will be useful to estimate the chronical year of clothes excavated from unidentified tombs when refer this styles of clothes.

• 한국가시화정보학회지
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• 제21권2호
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• pp.8-13
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• 2023

The primary challenge in improving fuel efficiency and reducing air pollution for commercial vehicles is reducing their aerodynamic drag. Various flow control devices, such as cab-roof fairing, gap fairing, cab extender, and side skirt have been introduced to reduce drag, however, the drag reduction effect and applicability are different depending on each commercial vehicle model. To evaluate the fuel consumption of heavy vehicles, a comprehensive research approach, including drag force measurement, flow field analysis is required. This study investigated the effect of a cab extender, which installed rear region of cab, on a drag coefficient of commercial vehicle through wind tunnel experiments and CFD. The results showed that the cab extender significantly modified the flow structure around the vehicle, leading to 8.2% reduction in drag coefficient compared to the original vehicle model. These results would provide practical application for enhancing the aerodynamic performance and fuel efficiency of heavy vehicle.

• 한국소음진동공학회:학술대회논문집
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• 한국소음진동공학회 2006년도 춘계학술대회논문집
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• pp.1044-1048
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• 2006

Nuclear power generation is very dangerous in occasion that skirt of structure by earthquake although it is high effective generation that can make a lot of energies with few raw material. when design, it must consider a lot of problems caused by an earthquake. The seismic analysis of the structure has been great concern in the engineering society with an effort to reduce the severe damages from an earthquake. So the earthquake resistant design is one of the crucial design procedures of a gate valve used in nuclear power generation. The gate valve which has the contact area between stem and bellows. Because of the contact area. The gate valve should be given high stress and frictional wear. In this thesis, Considering the gate valve which has some contact distance between stem and bellows. The gate valve which has some contact distance is analyzed by a commercial FEM code of Ansys and Then compared to the gate valve behavior which doesn't have contact distance.

• 복식문화연구
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• 제5권2호
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• pp.269-284
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• 1997

Followings are the analysis of the two areas'costumes, the Renaissance and Baroque, as the analytic and synthetic structures. From the analytic structure of the costumes, the analytic body and of the Renaissant man's outer garments is manteau, pourpoint, trousses, bas du chausses, and codpiece of the hat is toque. And the analyic body of the Baroque, man's costume is pourpoint and rhingrave, of the under garments is chemise, of the hat is felt, of the shoes is shoes. In the analytic structure of woman's costume, the analytic body of the Renaissant outer garments is robe, of the under garments is corps-pique, chemise, and vertugadin, of the hat is french hood. And the analytic body of the Baroque outer garments is skirt and overdress, of the undergarments is corps-baleine. The results we have got from the analysis of the synthetic structures of the costumes is that other analytic elements are chosen and united as the component features of the major analytic elements among the analytic elements in the tables of 3-1, 3-2, 3-3, and 3-4. If we compare the two analytic bodies of the two areas, we can see that the names of the costumes were changed and the component features about the names were changed according to an area, too. And we can see the synthetic structures were changed according to the analytic body in the analytic structures were changed according to the analytic body in the analytic structures with the synthetic structures.

• 대한전자공학회논문지TC
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• 제45권1호
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• pp.115-119
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• 2008

본 논문에서는 도허티 전력증폭기의 출력 정합단에 새로운 광전자밴드갭(PBG) 구조를 적용하여 높은 효율을 유지하면서 선형성을 개선시키도록 하였다. 제안된 나선형 PBG 구조는 비평면 제조 공정을 요구하지 않는 유전체 판 위에 패턴을 뜬 2차원의 규칙적인 격자이다. 실험결과를 통해서 보면, 이 구조는 접지 평면에 세 개의 셀을 식각시킨 기본적인 PBG 구조보다 더 넓은 저지대역과 더 높은 저지 특성을 갖는다. 또한 더욱 가파른 스커트 특성을 갖는다. 이 새로운 PBG 구조는 선형성 개선을 위하여 도허티 전력증폭기에 적용되어 질 수 있다. 나선형 PBG 구조를 적용한 도허티 전력증폭기의 3차 혼변조 왜곡(IMD3)은 코드분할 다중접속(CDMA) 응용에서 -33dBc이다. 제안된 PBG 구조가 없는 도허티 전력증폭기와 비교했을 때, PAE는 유지하면서 IMD3은 -8dBc 개선되었다. 더욱이 나선형 PBG 구조는 기본적인 PBG 구조보다 물리적인 크기가 줄어서 전력증폭기의 전체 크기를 줄일 수 있었다.