• Journal of the Korea Fashion and Costume Design Association
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• v.21 no.1
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• pp.149-162
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• 2019

The purpose of this study is to suggest various directions of living hanbok and proposed the living hanbok design that integrated the tradition and the contemporary, as well as the past and present with denim material that represents the youth cultureby while using the motif of Korean Jogakbo. For the research method, the data on living hanbok, denim, and Jogakbo were surveyed to develop and produce a living hanbok design. The development of a living hanbok design emphasized the meaning of longing for an accumulation of good fortune, by using the concept of 'wishing for fortune' including the symbolic images of denim and Jogakbo. The production results of this study are as follows. First, the Jogakbo motif consisted of patterns yearning for harmony, great fortune, longevity, and many children, and the living hanbok design integrated with the denim material symbolized the convergence of the past and present and the harmony of eastern and western cultures. The study could verify that the living hanbok design was recreated in a contemporary sense to be used everyday by expressing contemporary senses in a traditional image. Second, leftover fabric pieces and recycled materials that can be abandoned by the material market were used for denim. This study could also develop the living hanbok design as a sustainable design through upcycling, an important social trend, puting an emphasis on carrying out socio-ethical responsibilities. Third, denim Jogakbo work, which is connected by small pieces of denim material, used to be a difficult and labor intensive handicraft, but it could be proposed as a new high value-added fashion and generate contemporary living hanbok with a new image.

• Journal of the Korea Furniture Society
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• v.12 no.1
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• pp.69-79
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• 2001

The purpose of this study is to examine the characteristics of Arne Jacobsen's chair design. He was one of the few creators who inscribed his name in both the history of architecture and furniture design. His works reflected a form of "Regional Modernism" in which traditional techniques collide with functionalist beliefs. This grafting of ideas generated a person aesthetics which he used to establish a suitability of scale, detail an program for each design. In the material aspect, he had enjoyed using the plasticity of the plywood, polyurethane, tubular steel and in the formative aspect, organic form is combined with minimalization of material and simplicity. To sum up what is unique about Arne Jacobsen's chair design, it is that it is distinguished by a clear understanding and expression of beauty from nature, a complete understanding of the material used and the melding of traditional and functional techniques to generate organic form.anic form.

• Proceedings of the Korea Inteligent Information System Society Conference
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• 2005.05a
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• pp.302-305
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• 2005

To comply to demand for a development requirement of aircraft design part, the expert system builds up standard knowledge-base based on presently maintained expert knowledge and experience in aircraft structure material selection. It also builds up database based on aircraft design open data, and standard calculation module used for present design and analysis method. This system is developed using Visual Basic language. The expert system standardize aircraft structure material selection and can be applied to all type of elementary stage of aircraft structure design. It is working on Windows, which has a friendly interface and is convenient for debugging, maintenance and transplanting. Explanation of the structure and the function of the system was given in this paper.

• The Transactions of The Korean Institute of Electrical Engineers
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• v.56 no.8
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• pp.1466-1470
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• 2007

MEMS design flow based on DFM concept is presented and applied to gyroscope design as a test case. It is purposed to contribute to the yield improvement by considering the process-related parameters from the design phase. After defining the performance requirements, the sensitivity analysis should be done on the draft design(s) to find out the key parameters related with the device performance. By doing so, TEG can be designed for the selected process and/or material parameters. Through a set of test runs, the process capability is characterized and the material properties are extracted using the TEG. Then we can estimate the virtual yield of the current process for the designed device by running Monte Carlo analysis where the process and/or material property variations are considered. The estimated yield will make us redesign the device to be more robust or improve the current process to have the smaller variations.

• Proceedings of the Korean Institute of Interior Design Conference
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• 2005.10a
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• pp.209-210
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• 2005

This research aims at proposing new space design model with eco-friendly material, paper, for sustainable life mode. As pro-natural paper which is feasible for secondary processing in interior design, it's significance lies in its easy adaptability to nature and depreciation of environment pollution. The target space which needs alterability is designed with corrugated paper as its eco-friendly and changeable features as corrugated paper made out of wood pulp would return to nature after decomposition. If the material will be recycling, reuseable, and renewable which are eco-friendly and durable, then sustainable space design would be created.

• Journal of the Computational Structural Engineering Institute of Korea
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• v.27 no.5
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• pp.403-412
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• 2014

This paper presents special-purpose design program and plastic design results for hollow RC bridge columns with reinforcement details for material quantity reduction. The developed reinforcement details has economic feasibility and rationality and makes construction periods shorter. This study documents the economic evaluation of hollow reinforced concrete bridge column systems with reinforcement details for material quantity reduction and presents conclusions based on the application findings. As a result, the proposed reinforcement details for material quantity reduction were designed prior to the existing reinforcement details in terms of structural rationality, constructability, and economic.

• Journal of the Computational Structural Engineering Institute of Korea
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• v.17 no.2
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• pp.171-181
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• 2004

This paper developed the theoretical method to predict structural performances and weight reduction rates of a carbody when its materials should be substituted. For the material substitution design of the carbody, the bending, axial and twisting deformations are evaluated under the constant stiffness and strength conditions. For the design of the primary structures such as the center beams, the cross beams and the cantrails, the bending and axial deformations are investigated under the condition of the constant bending stiffness, the constant bending or buckling strength by considering both the material properties and the cross sectional shapes. The developed indices to measure the weight reduction by the material substitution give good informations on the weak and strong points of a carbody design.

• Journal of the Korea Furniture Society
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• v.18 no.3
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• pp.177-187
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• 2007

Since the 1960s when paper began to use as a structural material in furniture, design, the way of using paper was dramatically changed. Before the 1960s, paper was used mostly in decorative purposes like paper $mach\acute{e}$. The development of consumer culture in the 1960s created a new trend for paper in design. Paper became a material for dresses and chairs. Also, the types of paper that adapted on furniture varies from cardboard, paper tubes, glassine paper, honeycomb, etc. The variation of the material results to make possible to create a new form. Moreover, paperboard was broadly used in current society in such area that mostly structural based as architecture. Paper gives great opportunity not only to consumers to buy furniture in inexpensive price also to manufacturers to produce furniture and to test market easily, Moreover, paper furniture is mostly fun. Therefore, the creation of paper furniture becomes diverse in terms of design concept. This study explored the characteristics of paper furniture responding to social backgrounds by decade. Relation between types of paper and the characteristics is one of main points in this research. This study covers furniture design from the 1960s to present and mostly focuses on seating furniture where paper used as structural material. Researching on patent records and contemporary periodicals gave me helpful information on details of design process and consumer culture.

• Journal of Magnetics
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• v.21 no.4
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• pp.635-643
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• 2016

Improvements were made in the study for the design of the conventional Eddy Current Separator (ECS) used for separating small sized non-ferrous particles in the waste. These improvements include decreasing the air gap between the material and magnetic drum, making the drum position adjustable and placing the splitter closer to the drum. Thus, small particles were separated with high efficiency. The magnetic drum was removed from inside the ECS conveyor belt system as design change and was placed as a separate unit. Hence, the force generated on the test material increased by about 5.5 times while the air gap between the non-ferrous materials and drum decreased from 3 mm to 1 mm. The non-metal material in the waste is separated before the drum in the novel design. Whereas non-ferrous metal particles are separated by falling into the splitter as a result of the force generated as soon as the particles fall on the drum. Every material that passes through the drum can be recycled as a result of moving the splitter closer to the contact point of the drum. In addition, the drum can also be used for the efficient separation of large particles since its position can be adjusted according to the size of the waste material. The performance of the novel design ECS was verified via analytical approaches, finite element analysis (FEA) and experimental studies.

• Journal of the Korean Society of Manufacturing Process Engineers
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• v.18 no.1
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• pp.65-71
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• 2019

The development of adsorbed natural gas (ANG) has emerged as one of potential solutions. It is desirable to reduce the weight of vessel by applying light-weighed a composite carbon fiber in order to response to a egulation of $CO_2$ emission. Through understanding of a composite carbon fiber, and material characteristic of a composite carbon fiber is required in order for better application of a reduction of weight and an analysis of material characteristic. Herein, this study suggest the composite carbon fiber vessel applied to the characteristic of carbon fiber, and it decides the preliminary shape based on the test of material characteristic for ANG vessel applied to a composite carbon fiber, and its basic shape calculate through on the netting theory. Moreover, the detail shape design is analyzed by a finite element analysis, and in the stage of detail sahp design and analysis of stress was performed on the typical shape using a finite element analysis, and the result of preliminary design was verified.