Pak, Kyung-Ryeong;Song, Gi-Su;Kim, Hee-Jung;Son, Hye-Jong;Park, Hyoung-Gil
International Journal of Naval Architecture and Ocean Engineering
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v.12
no.1
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pp.856-867
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2020
This paper aims to provide the most useful method of determining an optimum LCB position and design direction of fore- and aft-body hull shape for a SLBV. It is known that the SLBV has a lower length-to-beam ratio, larger Cb and simpler stern shape designed for the installation of azimuth thrusters comparing to those of conventional LNG carriers. Due to these specific particulars of SLBV, the optimum LCB position was very different to that of conventional LNG carrier. And various approaches were applied to determine the optimum fore- and aft-body hull shape. The design direction for the optimum hull-form was evaluated as the minimization of the total resistance which includes the wave-making resistance and form-drag with numerical simulation.
The purpose of this study was to analyze the appearance management behavior and ornament wearing practices in relation to the body satisfaction and body image. The questionnaire was administrated to 261 female college students in Chungbuk area. Most respondents were dissatisfied with their bodies, especially with weight and lower part of their body. Among three factors of body image, they showed a great concern about appearance of body itself than body shape management and physical attractiveness. Most female students attempted ear-piercing and hair dyeing as appearance management behavior. They preferred to wear earrings, necklaces and rings, in the order. There was a significant relationship between body satisfaction and body image. Also, there were significant relationships among body image, appearance management behavior, and ornament wearing practices.
Journal of the Korean Society of Clothing and Textiles
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v.46
no.3
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pp.454-463
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2022
This study aims to provide basic size data for the development of a hip dislocation prevention garment for cerebral palsy (CP) children and useful information for the design of garment products for CP children through identifying differences in body shape between CP and non-CP children and reviewing the tibial-stature prediction formulas of previous studies. Forty-seven Korean children with CP aged 2 to 14 years were measured for body size from October 2019 to August 2020. Body measurements of 18 sites, including greater trochanter length, which is an important site for a hip dislocation prevention garment, were collected and analyzed. Data of non-CP children were taken from same age of Size Korea and compared. Tibial-stature prediction formulas suggested in four previous studies were also reviewed. CP children had significantly lower stature as well as circumferential dimensions when compared to non-CP children. Greater trochanter length is difficult to predict through other body dimensions. Thus, direct measurement is required. Of the general key dimensions used in the clothing industry, only hip circumference could explain the body shape of CP children. Tibial-stature prediction formulas cannot always but tend to largely predict the actual stature of CP children.
This study compared and analyzed the interaction visual effect of skirt silhouettes and skirt length by body mass index. This study provides basic data for women in their 20s and 30s to choose suitable skirts for their image. Twelve skirts were made, consisting of two categories of body mass index, three types of skirt silhouette and two levels of skirt length. Men and women in their 20s and 30s evaluated the visual effects of the experimental skirts using a questionnaire. The interaction effect of the visual effect following the skirt's length and silhouette by body mass index were analyzed by three-way ANOVA. Overall, a shorter the body and lower body length resulted in better vertical effects in normal weight. In terms of horizontal effects, such as lower body thickness and full-body shape, the 40 cm skirt, 50 cm tight, and A-line skirt were generally shown as better images. Skirt length helped supplement body type rather than silhouette in the overweight section. When the length was 40 cm, three skirts showed a more positive image. This study provide results for women in their 20s and 30s to choose skirts that are suitable for their image.
This study was carried out to investigate among adolescents (total=729) the relationship between their self-esteem, body-cathexis, their attitudes toward the importance of their bodies, their anthropometric characteristics, their perceptions of their body shapes and their experiences with weight control. The results are summarized as follows: The mean values for self-esteem and body-cathexis were generally low, but these values were significantly higher among boys than girls (p<0.01-0.001). However the mean values for their attitudes toward the importance of their bodies were relatively high and were significantly higher among girls than boys (p<0.01). The mean values for Percent Ideal Body Weight (PIBW) and Body Mass Index (BMI) were normal and no significant differences between the genders were observed. The distribution of the PIBW and the BMI values showed a higher rate for normal weights among the girls and a higher rate for underweightedness and obesity among the boys (p<0.01). With regard to their perception of their body image, among the boys, their current figures were almost identical with their idea of an ideal figure, but among the girls, their idea of an ideal figure was thinner than their current figure. The girls were more dissatisfied with their own body image than the boys (p<0.001). Fifty-four percent of the subjects had previous weight control experience, and the girls had significantly more experience than the boys (p<0.001). Their main reason for practising weight control was to lose weight (65.3%) Those who had more weight control experience had lower satisfaction with their body shapes, higher PIBW, higher BMIs or currently had fatter figures. Their standard image of their figures was influenced by TV (40.3%) and friends (36.9%). There was a weakly positive correlation between their self-esteem and their satisfaction with their body shapes, and a weakly negative correlation between their satisfaction with their body shapes and their attitudes toward the importance of their bodies. These results suggest the necessity for an educational program for adolescents as to foster a positive body image. Such a program should consider psychological factors such as self-esteem, satisfaction with body shape and attitudes toward the importance of the body.
Journal of the Korean Society of Clothing and Textiles
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v.32
no.5
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pp.821-833
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2008
The purpose of this study is to provide basic information about body proportion characteristics, and the level of body cathexis and fit satisfaction related to those characteristics. It is hoped that this will help to improve ready-to-wear satisfaction in middle-aged women. In order to achieve this purpose, the body proportion characteristics of middle-aged women were measured and were compared with that of standard and ideal body types. Then, the body cathexis and fit satisfaction according to these characteristics was analyzed. Finally, the following results were obtained. First, the average height of middle-aged women was 6.87 head, waist length was 58.9% of height, and knee length was 25.6% of height. In frontal appearance, the hip width, shoulder width, and chest width were wider than waist width(24%, 20%, and 11% respectively). Chest and hip depths was thicker than waist depth(19% and 17% respectively). Second, in lengths proportion, their lower body was shorter than the standard body shape for women in their 20s'. Also the difference between the width of frontal appearance and depth proportion of side appearance was small, suggesting a more slender silhouette among the middle aged women. Finally, middle-aged women who were not wide or big in the chest had higher satisfaction with their bodies. As shoulder width and chest depth became small, the fit satisfaction of upper clothes increased. While longer lower body had higher fit satisfaction with pants crotch, shorter lower body had higher fit satisfaction with waist and abdominal parts.
This study is done in Shanghai area by sample survey of female college students in their lower 20s. Through direct contact survey, this study collected and analyzed information on figure to understand feature of breasts and measurements of body to provide base information to improve product of brassiere for adult female in China. Data was analyzed by using SPSSWIN 13.0 Program and SAS 9.0. 1. From a result of factor analysis on 40 items of measures to derive the components of the shape of the breast, 6 factors were derived such as the factors to show the obesity of the bust, to show the ratio of the upper and lower area of the lower bust, droop and volume, to show the internal shape and broadness of the bust, to show the location and vertical size of the bust, to show the protrusion of the bust and the eternal shape of the bust. 2. From a result of classification on the shape of the breast of the Chinese women in their early 20s, 4 types were selected. Type 1 is the protrusion type that a woman has a broad drooped breast due to the development in the upper and lower parts of the chest as well as the highest height, a high degree of obesity in the bust part, big volume and much protrusion. Type 2 is the hemisphere type that the degree of obesity in the breast is second to Type 1 and a breast is located at a region higher than Type 1 as the degree of obesity in the breast is secondly highest, the lower part of the bust is bigger than the Type 1 and the degree of being broad and drooped is second to Type 1. Type 3 is the cone type with a breast of being drooped and broad a little bit and a certain degree of a volume. Type 4 is the flat type with the smallest value in the item that shows the obesity of the bust area and with the smallest value in the R$\ddot{o}$hrer index to have the small and slender body type for the bust area, which is somewhat flat due to a low slope at the internal side of the bust.
This study was purposed to present the basic data on the elderly women's somatotype to develop new briefs design with high body-adaptability. The subjects were 115 elderly women in the 60s and 70s and the factor analysis for 32 directly measured values of the body parts was carried out to sort out the constituent factors of the elderly women's bodies, and finally 4 factors were decided. The first factor was the thickness of the trunk and the degree of the obesity in the center of the width, thickness and circumference. The second factor is the perpendicular size of the body with high loads on the longitudinal direction of the body. The third factor was the leg shape. The last factor was the degree of the sagging hip. The elderly women's somatotype was classified into 3 types. The first type was the 'mean somatotype' with the biggest height and the longest lower half body of the three types. The second type was the 'obese somatotype' with the mean height and length of the lower body and with the largest circumference and width. The last type was the 'skinny somatotype' with the smallest values of all the items in the perpendicular size and the degree of the obesity.
In this study, we conducted a vibration fatigue analysis of the lower control arm in a vehicle suspension system. The vehicle was driven during the tests so that the dynamic effects could be taken into account. The dynamic load of the frequency domain was superimposed on the frequency response analysis. We performed a virtual proving ground test using multi-body dynamics, along with a finite element analysis and fatigue life predictions. Shape optimization was also considered using the design of the experimental approach, and a response surface analysis was performed to improve the durability performance of the lower control arm. We identified the elements that had the most influence on the optimal shape of the finite element model and analyzed the sensitivity of those elements. Then the optimal points that minimized the amount of damage to the areas of interest were determined through a response surface analysis. The results suggested that the fatigue life of the model increased as its mass was not increased excessively, and demonstrated that these design procedures yielded an appropriate optimized lower control arm model.
Journal of the Korea Fashion and Costume Design Association
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v.24
no.3
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pp.73-84
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2022
This study aims to present the direction of research for rational clothing design and production and improve the productivity of the fashion industry by analyzing the most recent 11 years (from 2010 to 2021) with regard to the clothing construction field. Analyzing the research trends in the field of clothing construction, which is deeply related to clothing production, will suggest the direction of research for clothing design and production. To analyze the current status of research in the field of clothing construction, research trends were analyzed, focusing on 525 research journal articles from six Korean clothing-related journals with terms related to torso and upper and lower limbs. The analysis results of this study are as follows. First, the rapid development of IT technology requires changes and innovations in all processes of clothing construction, including body shape analysis and pattern design. Therefore, it is believed that both body shape and pattern research should be continuously conducted to produce clothes with an excellent silhouette and fit depending on the body shape through studies, such as developing 3D patterns and converting 3D body figures into 2D patterns, among others. Second, since body shape studies are concentrated on young, middle-aged, and the elderly, it is believed that various body shape studies should be conducted on infants and elementary, middle, and high school students who have significant changes in body shape due to changes in the living environment. Third, if the content of pattern research is expanded to various items and is widely conducted, it will contribute to the production of clothing that has an excellent fit. Fourth, at a time when aging in society is accelerating, it is believed that research on patterns and clothing systems that can increase the fit of clothing by analyzing the body types of elderly male and female consumers should be actively conducted. Because the analysis was conducted only among six Korean academic journals, there is a limitation in the expanded interpretation of the results derived from this study.
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