• Smart Structures and Systems
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• v.20 no.4
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• pp.461-472
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• 2017

Explicit design formulae of liquid column vibration absorber (LCVA) for suppressing harmonic vibration of structures with small inherent structural damping are developed in this study. The developed design formulae are also applicable to the design of a tuned mass damper (TMD) and a tuned liquid column damper (TLCD) for damped structures under harmonic force excitation. The optimum parameters of LCVA for suppressing harmonic vibration of undamped structures are first derived. Numerical searching of the optimum parameters of tuned vibration absorber system for suppressing harmonic vibration of damped structure is conducted. Explicit formulae for these optimum parameters are then obtained by a series of curve fitting techniques. The analytical result shows that the control performance of TLCD for reducing harmonic vibration of undamped structure is always better than that of non-uniform LCVA for same mass and length ratios. As for the effects of structural damping on the optimum parameters, it is found that the optimum tuning ratio decreases and the optimum damping ratio increases as the structural damping is increased. Furthermore, the optimum head loss coefficient is inversely proportional to the amplitude of excitation force and increases as the structural damping is increased. Numerical verification of the developed explicit design expressions is also conducted and the developed expressions are demonstrated to be reasonably accurate for design purposes.

• Journal of the Korea Furniture Society
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• v.25 no.4
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• pp.338-344
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• 2014

Modern furniture design is advancing by putting value on individual sensitivity. Accordingly, this study will focus on optical art, which can give various changes in people's sensitivity. Optical art was actively applied in various fields of image, photograph, fashion, textile, accessory and interior from the 1950s till the 1960s. Optical art realized by Victor Vasarely (1908~) opened a new trend in art by accurately realizing concise and precise expressions. This study analyzed the impact of pattern expression on sensitivity in optical art and suggested a method, which can spatiotemporally maximize the emotional change by combining optical art with the form of furniture. Modern furniture design is changing toward the direction of fitting to the propensity and emotional taste of an individual. Accordingly, this study analyzed the emotional expression felt in the furniture modeling works featured by concise, straight and standardized rectangular shape. Based on the result of analysis, this study would like to suggest a method to utilize optical pattern as a means for emotional design, with which people are able to perform various emotional expressions while keeping the function and form of furniture.

• Journal of the Korean Home Economics Association
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• v.47 no.8
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• pp.25-35
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• 2009

This study analyzed expression types and characteristics of modern fashion designs using body parts. The research was conducted based on a literature review and empirical research of fashion magazines published in Korea and other countries from 2001 to 2008. Four fashion statements predominated. Most frequently, body parts presented in modern fashion design, included realistic expressions, simplification, anatomic expression and a mixture with other patterns and logos. A body part, such as an eye, a lip, a hand or a chest was characteristically located in an unfamiliar position, as part of modern fashion design using body parts. Other parts and surrealistic images were shown with accessories utilizing body shapes. Second, amusing images were emphasized with humorous expressions, including simplification of body parts, childish decorations, fairy tale illusions and cartoon factors. Third, erotic images were presented with a more realistic expression of a partial image of a female body part, such as a lip or a tongue. Fourth, the use of facial images of celebrities in modern fashion design showed the phase of the times and the characteristic utilization of pop art as an image.

• Journal of Korean Association for Spatial Structures
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• v.14 no.1
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• pp.61-68
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• 2014

The design of foot-bridge is often influenced by natural frequency. Consequently, vibration frequency becomes important. The empirical expressions used to quantify this parameter at the design phase have not been developed enough to give guideline to Korean foot-bridge. This paper is concerned with the vertical natural frequency of steel foot-bridges. It describes the vibration measurement methods employed for testing structures and presents reliable methods of assessing natural frequency from jumping vibration tests. Data from measurements on 16 structures in Seoul are given. Regression formulas of natural frequency for steel-framed foot-bridges are suggested. Finally, obtained formula are compared with empirical expressions of Seoul City's guideline.

• Korean Institute of Interior Design Journal
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• no.17
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• pp.73-79
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• 1998

This study aims to show the present status of the expressions in the contemporary architecture in Kore under its pluralistic and equivocal situation. Non-residential buildings constructed since 1960 till 1997 have been analyzed focused on the rationality romantic property and koreanity which are the expressional aspects and its expressional characteristics in contermporary architecture in Korea such as the properties of the quasi-thematic approach limitary subsistence unexisting common ownership mixed copy and normative diversity have been grasped. These results prove that the common features after Modernism such as the restoration of humanity search for the architectural forms of plural meaning the pursuit for the regionality are also applied for the expressions of the contemporary architecture in Korea, Also this study can be the attempt to clarity the identity of the contemporary architecture in Korea and where it is now.

• Korean Institute of Interior Design Journal
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• v.14 no.5 s.52
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• pp.3-9
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• 2005

Territoriality and privacy are known to be basic human instincts that have made today's cultural evolution possible. However there are also cultural differences in the expressions and meanings of territorial and privacy behaviors. Currently with the emerge of non-territorial workplaces office workers are deprived from what used to be their territory and force to share with co-workers leading confusion and stress. Therefore many research has be conducted on territorial issues but unfortunately little is known on Korean cultural concept of territoriality and privacy. Eyen though Korean society has been rapidly westernized during the 20th century, traditional culture still is a major influence on Korean's concept and use of space. This study explores and investigates the concept of territoriality and privacy and how they are expressed in traditional Korean housing focused on high level society between 17th and 19th century. Thus hope make a small contribution in designing unique and culture based interior spaces.

• The Research Journal of the Costume Culture
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• v.18 no.1
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• pp.205-215
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• 2010

In modern society as people adapt to social and cultural changes, people prefer high-scarcity designed products rather than standardized ones. Consequently, this adaptation lays a foundation in art and cultural domains to express uniqueness and individuality. The purpose of this study is to develop fashion designs by fusing fashion painting and handicraft techniques through creative and various artistic expressions. The researchers studied the sociocultural background of modern handicraft fashion using document-based research methods. Based on the characteristics of modern handicraft, we produced six garments that applied fashion painting techniques. In this study, the origin of fashion painting was found in ornaments such as tattoo or body-painting. We determined that modern designers were using various fashion painting techniques and motives as unique and advanced ornamentary skills. Harmonizing various handicraft techniques(dyeing, embroidery, quilt, patchwork, beads, fashion painting, etc.) centered on fashion painting enabled creation of unique fashion design through varieties of artistic expressions.

• Journal of Fashion Business
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• v.16 no.6
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• pp.96-108
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• 2012

In modern society, humans' misdirected aspirations towards ideal beauty are discussed and criticized. This research utilizes a paradox to express the modern standard of beauty and the society's homogenization of it through plastic surgery. An empirical analysis was conducted of the artist's works that reflect anti-lookism. The works were classified as provocation, aesthetic, symbolic and paradoxical depending on the variety of the artists' approaches and expressions. Also, this part looks at anti-lookism cases in modern fashion industry that were given lascivious expressions. They characterized various types of human beauty. Anti-lookism is a movement that goes against this social trend. It seeks to awaken modern citizens from blind submission to homogenized beauty and commercialization of humans. This study intends to offer an image of ideal beauty that should appreciate and the concept of an ideal female body. The author hope that further researches are done in social, political, cultural and other levels of the society to establish anti-lookism.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• v.9 no.2
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• pp.903-905
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• 2005

Theoretical expressions are introduced to achieve low phase-noise ring oscillators. Understanding of the relations between the phase-noise and the design parameters leads to the reduction of the phase-noise at the stage of the circuit design. Using expressions from reference, ways of reducing the phase noise are suggested.

• Journal of Fashion Business
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• v.14 no.5
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• pp.112-127
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• 2010

Primitivism is a concept that expresses and organizes natural feelings of human beings which is hard to be identified by a rigid definition. It means "staying in the beginning or the initial state, not evolving or developing, and not affected by human beings from the intact natural state". Based on this meaning, the artistic style features inherent natural beauties, as well as plain and inornate design. These features have been reflected in a variety of art pieces. The aesthetic features shown in the primitivism art pieces can be categorized into four different aspects: naturalness, folksiness, sentimentality, and humorousness. These features, influencing modern fashion, have been reinvented by a number of fashion designers. They also adopted ideas from the fancy clothes and ornaments created in carefree life style of the regions retaining their primitive cultures, such as Africa, Oceania, and Pacific coasts, and applied those ideas to various silhouette, colors, patterns, and textiles. Particularly as for textile expressions, they tried printing techniques using the patterns motivated from primitive folk symbols or the nature, applied objet of primitive materials and elaborated ornaments that represent folk and primitive feelings, and employed the primitive techniques such as knotting, crude cutting, or natural draping, to reinvent them as textile expressions in modern fashion.