• Korean Institute of Interior Design Journal
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• v.17 no.6
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• pp.197-206
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• 2008

This study aimed to suggest practical and useful design directions for furniture for the rapidly-increasing university dormitory population. The process of the study took four steps; theoretical research, in-depth interview based on questionnaire, analysis, and development of design directions. Interviews were conducted with 25 university students living in dormitories in Seoul to find out problems with the existing furniture, students' satisfaction with the furniture, and their needs for other options. From these interviews, we found a few problems with dorm units, such as insufficient storage space, spaces too small for privacy, monotonous & standardized furniture design, and lack of multi-purpose furniture, etc. To support college students' complex lifestyles, five design directions were suggested from the analysis, such as a furniture design with highly multiple uses, modular furniture design, sufficient storage space, an application of various colors & materials, and practical use of dead space. Among these, two items were selected to be manufactured by the furniture design company. We expect that our suggested design directions for dorm furniture will support students' complex lifestyles, and satisfy students' needs with highly enhanced and better designed environments.

• Communications for Statistical Applications and Methods
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• v.7 no.2
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• pp.415-426
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• 2000

Hader and Park (1978) introduced the idea of slope rotatability, and Park (1987) introduced the concept of slope rotatability over all directions, and gave necessary and sufficient conditions. Park and Kim (1992) proposed a measure that represent the extent of slope rotatability for a given response surface design. Kim (1993) proposed a measure that represent the extent of slope rotatavility over all directions. In this paper, we embodied the measure of slope rotatability over all directions. Examples of applying this measure to some response surface designs are also given. In this response surface design of slope rotatavility over all directions, we obtain the mean slope variances on the spherical surface to select better experimental design varying the number of center points and radius.

• Korean Journal of Computational Design and Engineering
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• v.21 no.2
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• pp.151-158
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• 2016

It is important to analyze dimensional errors occurring during shipbuilding process. A ship is constructed by assembling blocks and installing outfits in assembled ship structure. Blocks and outfits have a main direction that has greater importance than other directions from the view point of dimensional error. Therefore, a main direction should have a greater weighting factor than other directions in order to achieve meaningful inspection results. In this paper, a modified point registration method based on iterative closest point (ICP) is proposed. In this method, a user determines one or two main directions among x, y, and z directions, and then each main direction is made to have a greater weighting factor than other directions. For points registration, mapping between measured points and design points are performed by the modified ICP in which weighting factor assigned to each main direction is considered.

• Communications for Statistical Applications and Methods
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• v.11 no.1
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• pp.121-137
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• 2004

Kim(2002) proposed a second type of central composite design (CCD2), in which the positions of the axial points are indicated by two numbers. In this paper, we study properties of CCD2 when we are interested in estimating the slope of a response surface. Conditions are obtained for CCD2 to be slope-rotatable over axial directions, and some CCD2's are presented that have slope rotatability over axial directions. Also values of a measure of slope rotatability over axial directions are tabulated for various CCD2's. Finally, it is shown that CCD2 is always slope-rotatable over all directions.

• The Journal of Sustainable Design and Educational Environment Research
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• v.2 no.1
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• pp.91-104
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• 2002

This study is on the architectural planning of the secondary school for the future. It focuses on principles and directions of the architectural planning. There are two motivations on the change of education paradigm. The one is that educational philosophy changes and the other is that the knowledge based society has come. Now these affection factors put the education paradigm to be changed. These educational paradigm need to be analyzed from constructivism and educational informationage. Lastly, architectural principles and directions were analogized from educational directions. Architectural principles(6 elements) and directions(15 elements) have been proposed in this study. The conclusion of this study, architectural planning of educational facilities must be with those criteria for more characteristic schools and organic schools.

• Steel and Composite Structures
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• v.5 no.2_3
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• pp.159-168
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• 2005

Four design codes/regulations for steel structures in Japan are briefly reviewed. Some of them employ the limit state design concept while the others are still based on the allowable stress design concept. The process for revision is now in action. The directions in the development of structural design codes are also reported herein. It is noted that a current trend in this development is to employ the performance-based design concept that has been successfully implemented in some seismic design codes.

• Journal of the Korean Institute of Educational Facilities
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• v.27 no.5
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• pp.3-12
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• 2020

The purpose of this study is to suggest some interior design directions for university library in the circumstances of rapid change of user's demand for the library. In order to extract some ideas about designing the library, I analyzed the libraries of UC Berkeley which has tried to transform the existing condition of the building for satisfying user's new needs. Informations of compositions, layouts of furnitures and book shelves, environmental conditions of 25 branch libraries of UC Berkeley, and spatial behavior patterns in libraries were surveyed and analyzed to get insights to design a new model of library buildings. The interesting phenomena got from the survey is that most of the library users used their own laptop computer in the library regardless of environmental conditions of the library or book types. In conclusion, as the library is changing to the place of studying, not of reading books, four design directions for the library are suggested in this research as like these; 1) Establishing a Regulation Free Environment for a user, 2) Enhancing the Aura of Books as an Interior Design Element, 3) Supplying Personalized Spatial Characters, and 4) Providing an Impactful Space.

• Structural Engineering and Mechanics
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• v.26 no.6
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• pp.687-707
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• 2007

High-tech facilities engaged in the production of semiconductors and optical microscopes are extremely expensive, which may require time-domain analysis for seismic resistant design in consideration of the most critical directions of seismic ground motions. This paper presents a framework for generating three-dimensional critical seismic ground acceleration time histories compatible with the response spectra specified in seismic design codes. The most critical directions of seismic ground motions associated with the maximum response of a high-tech facility are first identified. A new numerical method is then proposed to derive the power spectrum density functions of ground accelerations which are compatible with the response spectra specified in seismic design codes in critical directions. The ground acceleration time histories for the high-tech facility along the structural axes are generated by applying the spectral representation method to the power spectrum density function matrix and then multiplied by envelope functions to consider nonstationarity of ground motions. The proposed framework is finally applied to a typical three-story high-tech facility, and the numerical results demonstrate the feasibility of the proposed approach.

• Journal of Navigation and Port Research
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• v.45 no.2
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• pp.42-53
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• 2021

The port space can be considered to be the space in which the characteristics of the port city are best expressed. Also, since it acts as a representative gateway along with the airport, it can have a direct impact on the image of the region and country. However, the harbor hinterland has been a refuge during the war in the past, and it has been concentrating on development related to the port industry; hence, it has a poorer residential environment. Therefore, in this study, in order to ensure equal development in space and equal access to basic urban services, urban design directions were suggested for the harbor hinterland based on the concept of an inclusive city'. To this end, through factor analysis, urban planning elements that can be applied to urban design were derived, and through PLS(Partial Least Square)regression analysis, based on the opinions of residents and experts, urban design directions for the port hinterland were presented. The study site was Gamcheon Port, one of the Busan Ports in Korea, the hinterland of Gamcheon Port was a high slope, and the residential environment was relatively poor due to the dense concentration of older residential areas.

• Journal of the Korea Fashion and Costume Design Association
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• v.15 no.3
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• pp.33-40
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• 2013

This paper focused on investigating the seam strength by cutting direction depending on the fabrics and weave by comparing the tensile strength and elongation of bias, warp and weft of 4 kinds of find cotton fabrics and combining 6 kinds of seam cutting directions. The cutting directions are selected the warp direction, weft direction and 45-degree bias direction. Then, three kinds of directions, the warp/warp direction, the weft/weft direction and the bias/bias directions, and the three different kinds of directions, the warp/weft direction, the warp/bias direction and the weft/bias directions, were finally selected. The results are as follows: The tensile strength of all fabrics was higher in the order of warp, bias and weft direction and tensile elongation was higher in the order of bias, warp and weft direction in almost all fabrics. 100's and 150's cotton fabrics showed the highest seam strength when they were cut in the bias/bias direction. The seam strength of the fabrics cut in the same direction was the highest in the fabrics cut in the bias/bias direction. Four kinds of fabrics demonstrated the similar seam strength. However, for the seam strength of fabrics cut in the different directions, 100's cotton fabrics had the difference of seam strength by direction and weave, but 150's cotton fabrics didn't have any difference in seam strength by direction and weave. As described above, the seam strength was influenced by the cutting direction of fabrics. Accordingly, the seam strength can be improved by changing the cutting direction of seam when making the clothing.