• 한국디자인학회:학술대회논문집
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• 한국디자인학회 1995년도 춘계 학술대회-디자인 학 연구
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• pp.74-75
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• 1995

• 한국디자인학회:학술대회논문집
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• 한국디자인학회 1995년도 춘계 학술대회-디자인 학 연구
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• pp.88-89
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• 1995

• 한국디자인학회:학술대회논문집
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• 한국디자인학회 2003년도 가을학술발표대회
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• pp.24-25
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• 2003

• 디지털융복합연구
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• 제10권10호
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• pp.447-456
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• 2012

공간과 형태 디자인에 있어서 스터디모델은 완성될 공간이나 형태가 디자인되는 공간과 형태에 구체적인 시각적 매개체를 제공하며, 보다 근본적으로 디자인도면에 대한 상호 보완적 수단으로서 이용된다. 즉 스터디모델은 2차원적인 속성을 지니는 디자인 도면에 3차원적인 이해 수단을 추가적으로 부여한다. 따라서 디자인이 진행되는 동안 구체적인 공간의 형태와 공간구성을 디지털스터디모델을 이용하여 자유로운 각도에서 시각적으로 감지하며 공간과 형태를 분석하게 해준다. 일반적으로 유형적인 재료를 사용하여 제작되는 스터디모델은 디자인 과정에서 디자인 내용의 변경과 스터디모델의 용도에 따라서 여러 번 제작되어야 하며, 디자인도면과 모델의 관계는 공간의 지각과 이해를 통해서만 이루어진다. 이것은 디자인도면과 스터디모델 매체사이의 상호보완성이 동시에 이루어지지 않기 때문이다. 그러나 본 연구에서 제안된 3차원 디지털 디자인 프로세스를 이용하면, 즉각적인 시각적 표현과 더불어 디자인 단계에서 다양한 분석과 디지털 디자인모델 결과물들을 얻어낼 수 있게 된다. 결국 디자인계획과 디자인 구체화 단계에서 디지털디자인 프로세스를 활용할 경우 입체적 표현을 실시간으로 적용할 수 있으며, 3차원 디지털모델을 시각화하여 최종 디자인을 위한 공간과 형태의 다양한 분석이 가능하게 된다.

• 한국지반공학회지:지반
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• 제12권1호
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• pp.87-110
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• 1996

터널굴착시, 막장부근의 3차원 효과를 반영하기 위해 주로 경험적인 하중분담률 개념을 도입한 2차원 유한차분법 수치해석이 수행된다. 본 논문에서는 3차원 수치해석을 수행하고 그 해석 결과와 2차원 수치해석 결과를 비교함으로써 합리적인 하중분담률의 적용 가능성 및 막장 부근의 음력집중 문제를 규명하고자 하였다. 무지보 굴착길이, 초기지중응력, 지반종류, 단면크기와 터널심도등의 하중분담률에 주된 영향을 미치는 인자들에 대한 매개변수 연구를 수행하고, 그 결과를 토대로 서울지하철의 대표적인 단면에 대해 적용가능한 하중분담률을 추천하였다.

• Earthquakes and Structures
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• 제2권1호
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• pp.43-64
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• 2011

One-dimensional rod theory is very effective as a simplified analytical approach to large scale or complicated structures such as high-rise buildings, in preliminary design stages. It replaces an original structure by a one-dimensional rod which has an equivalent stiffness in terms of global properties. The mechanical behavior of structures composed of distinct constituents of different stiffness such as coupled walls with opening is significantly governed by the local variation of stiffness. Furthermore, in structures with setback the distribution of the longitudinal stress behaves remarkable nonlinear behavior in the transverse-wise. So, the author proposed the two-dimensional rod theory as an extended version of the rod theory which accounts for the two-dimensional local variation of structural stiffness; viz, variation in the transverse direction as well as longitudinal stiffness distribution. This paper proposes how to deal with the two-dimensional rod theory for structures with setback. Validity of the proposed theory is confirmed by comparison with numerical results of computational tools in the cases of static, free vibration and forced vibration problems for various structures. The transverse-wise nonlinear distribution of the longitudinal stress due to the existence of setback is clarified to originate from the long distance from setback.

• 한국실내디자인학회논문집
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• 제17권4호
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• pp.84-91
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• 2008

The objective of this study is to investigate how visitors' behavior change in relation to the pattern of exhibition in art museum. For the purpose Busan Museum of Modern Art was selected as the sample in this study. And two patterns of exhibition, namely the planar exhibition and the three dimensional exhibition, were surveyed using the tracking movement method. The data gathered from random-sampling 60 visitors in a art museum was analyzed by the correlation analysis and T-test. The results are as follows; 1) There is no meaningful difference in visitors' behavior by the exhibition pattern in terms of their viewing area, viewing time, viewing distance, viewing velocity, viewing rate. 2) In contrast, there is meaningful difference in terms of the number of stops by visitors and the time spent without movement to see the objects; visitors stopped more often and stayed longer within the three dimensional exhibition space than the planar exhibition in a art museum. In sum, visitors extrinsically show no big behavioral difference between the planar exhibition and the three dimensional exhibition, but much difference in the way they communicate with objects; they show more active behavior within the three dimensional exhibition space.

• 복식문화연구
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• 제29권3호
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• pp.374-387
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• 2021

The purpose of this study is to develop up-cycling fashion design methods centered on discarded denim material for the study of original up-cycling design methods. Up-cycling fashion design work was developed using digital clothing technology. This is a recent hot topic among sustainable fashion design methods. Up-cycling fashion design expression methods (categorized as dismantlement, collages, dépaysement, grafting, weaving, and tearing) were centered on design methods. These methods create various three-dimensional modeling effects in planar forms, whereby five pieces can be applied to the fabric and digitally produced. The results are as follows: First, the use of discarded denim fabric for the development of up-cycling fashion design pieces enabled the recycling of existing resources, provided solutions to environmental pollution problems, and provided expansion opportunities for design processes for sustainable fashion products that expand the design value of denim products and their utility. Second, new eco-friendly fashion designs that attempt to achieve diversity in modern fashion trends could be presented through formative contemporary fashion produced by up-cycling work products. Third, up-cycling fashion design work is expected to provide opportunities for eco-friendly fashion design methods. This will expand the value of sustainable fashion design by recycling simple waste materials through the use of three-dimensional digital clothing technology and further through the presentation of expanded life cycles that extend product planning, production, and life cycles.

• 한국CDE학회논문집
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• 제2권2호
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• pp.85-92
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• 1997

An axial flow fan design system has been made by integrating the self-developed programs and I-DEAS. By using the system, an axial flow fan was designed, manufactured and verified through the wind tunnel experiments in coorperation with a refrigerator appliance division. It has been shown that the optimal design without the ambiguity of the design parameters can be possible by the three-dimensional flow simulations using a self-developed CID code, FANS-3D. (Flow Analysis code using Navier Stokes aguations in Three-Dimensional curvilinear coordinates). By virtue of the fluency of the data flow, an optimally designed fan which satisfies design conditions can be selected in a short time and less cost. The manufacturing processes of a Mock-up and an injection molding die have been automated through the self-made interface programs which connnect from the start to the end. It has been shown that the newly developed fan by this system has a superior performance characteristics to an existing fan.

• 대한전기학회논문지
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• 제41권8호
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• pp.850-857
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• 1992

Design sensitivity analysis is proposed for the optimal shape design of three-dimensional magnetostatic problems. The direct differentiation method is introduced for design sensitivity analysis and the boundary element method with reduced magnetic scalar potential as the state variable is used to analyze the magnetic characteristics. In the direct differentiation method, the design sensitivity, defined as the total derivative of the objective function with respect to the design variables, is calculated based on the variation of the state variable with respect to the design variable. And the variation of the state variable is calculated by differetiating the both sides of the system matrix equation obtained by applying boundary element method. Through the numerical example with simple electromagnet, the usefulness is proved.