• Title/Summary/Keyword: 한국지지

Search Result 8,458, Processing Time 0.037 seconds

Hydroelastic Vibration Analysis of Three Dimensional Submerged Structure (3차원 접수구조물의 유체탄성 진동해석)

  • 정기태;강호승;김영복
    • Computational Structural Engineering
    • /
    • v.4 no.1
    • /
    • pp.20-27
    • /
    • 1991
  • 본 논문에서는 유체-구조 상호작용해석의 일종의 3차원 접수구조물의 진동해석을 효과적으로 수행하기 위한 해석방법을 제시하기 위하여 동적재해석기법을 검토하였다. 접수구조물의 유한구조 상호작용해석 결과는 구조진동의 관심 주파수역에서는 3차원 연성 부가수질량으로 표현되는 관성력으로 나타난다. 따라서 구조질량행렬에 부가수질량 행렬이 더해져서 전체 관성력으로 표현된다. 이 부가수질량을 추가질량으로 보고 재해석기법을 응용하는 방법을 수치실험을 통해 검증하였다. 이 때 재해석기법이 갖추어야 할 조건은 원구조의 질량과 거의 같은 정도의 질량이 추가되고 또한 완전 연성질량이 추가된 경우에도 정확한 해를 주어야 한다는 것이다. 이를 검증하기 위해 직접재해석기법과 섭동법을 이용한 재해석기법으로 4질량 스프링지지구조에 대한 해석을 수행한 결과 직접재해석기법의 응용이 적합함을 쉽게 입증할 수 있었다. 접수구조물의 예로는 3차원 잠수주상체에 대해 접수진동해석을 수행하였으며 그 결과 선체진동해석에 전통적으로 이용되고 있는 2차원 부가수질량과 3차원 수정계수를 사용한 기준차수법에서는 수지모드와 수평-비틔 연성모드와 같이 서로 독립적인 모드에 대해서는 따로 진동해석을 수행해 주어야 하는 단점이 발견되었다. 이 단점을 보완한 각 모드의 3차원 수정계수행렬을 이용한 재해석기법을 도입하여 모드에 상관없이 동시에 해를 구할 수 있었다. 그러나, 이 방법은 3차원 수정계수가 구해져 있는 경우에 한해서만 적용가능하며 실제 선체진동의 경우에는 10Hz 미만의 저차 주선체 진동에 한해서만 적용가능한 방법이다. 고차의 진도옴드에는 3차원 수정계수를 구할 수 없기 때문에 유체-구조 상호작용 해석결과로부터 얻은 3차원 연성 부가수질량을 이용하게 되며 이 때 이 행렬이 접수구조 표면의 전 자유도와 연성되어 있기 때문에 방대한 방정식을 푸어야 하지만 직접재해석기법을 적용함으로써 정확한 해를 구할 수 있었다. 또한 3차원 부가수질량을 이용한 직접재해석기법은 종래의 2차원 부가수질량과 3차원 수정계수를 이용한 방법에 비해 해석시간 면에서도 전혀 불리한 점이 없는 경제적 방법임이 밝혀졌다. 앞으로 Slamming 혹은 수중폭파 등의 충격하중에 의한 천이 구조응답 해석을 위한 효과적인 방법에 대해서도 연구결과를 발표할 계획이다.

  • PDF

Twitter's impact on the election of TV debates -18th presidential election TV debates- (TV토론회에서 트위터가 선거에 미치는 영향 -제18대 대통령 선거 TV토론회를 중심으로-)

  • Han, Chang-Jin;Kim, Kyoung-Soo
    • Journal of Digital Contents Society
    • /
    • v.14 no.2
    • /
    • pp.207-214
    • /
    • 2013
  • It was the 18th presidential election TV debate Twitter participation of SNS. Began to diverge as the era of social media, combined with SNS through in the mass media, media web 2.0. Search tweets, retweets, while the formation of policy issues, the agenda of Twitter users to listen to the statements of the candidates using the Internet or a smartphone. The highest number of tweets immediately issue statements were made. Content during the progressive tweets core keywords you do not often discussed, followed by the negative information increases the number of tweets has become a policy issue. Top retweets was to evaluate the process of debate, regardless of the issue. Tweeter complements the TV so Twitter has made public opinion. Smart phones and SNS Twitter, combined with the TV and the participation and direct democracy, voters vote one instrument was realized. Should forward approval ratings, real-time Twitter subtitles on the TV screen in TV debate Twitter influence in the election will be greatly expanded.

Investigating the Effect of Value-Oriented Promotion for Media Contents: The Moderating Role of Self Construal (미디어 콘텐츠에 대한 가치 지향적 프로모션의 효과 분석 : 자기해석수준의 차이 를 중심으로)

  • Cho, Hyong-Oh;Nam, Chul-Woo
    • Journal of Digital Contents Society
    • /
    • v.18 no.3
    • /
    • pp.475-483
    • /
    • 2017
  • This study attempted to investigate how the effectiveness of value-oriented promotion for media contents depends on self-construal and incorporated Schwartz' value system theory(1992) and Gutman's means-end chain theory(1982) into the development of hypotheses. It was expected that media content promotion emphasizing "openness to change" value would be more appealing to those with independent self-construal, whereas media content promotion emphasizing "conservation" value would be more appealing to those with interdependent self-construal. These hypotheses were generally supported in a series of experiments. Also, the dynamic relationship among the four primary value dimensions proposed by Schwartz (i.e., openness to change, conservation, self-enhancement, self-transcendence) was clearly validated in this study.

The Effect of Strategy Orientation on Performance in General Hospital (종합병원의 전략 지향성이 성과에 미치는 영향)

  • Ahn, Sang-Yoon
    • Journal of Digital Convergence
    • /
    • v.12 no.3
    • /
    • pp.309-316
    • /
    • 2014
  • The main purpose of this study is to find out how strategy orientation influences to performance in general hospitals, and to analyze the effect of the general hospital structure and its size to the relationship between independence variables and performance variable. To achieve the goal we set 3 sub-dimension, customer orientation, competition orientation and care skill orientation based on comprehensive consideration of related studies, and established 5 hypothesis. Survey data for statistic analysis have been collected from 176 members of 5 general hospitals in Korea from 1July to 13 October, 2013. We found that three dimensions of strategy orientation influence to performance significantly. We also found that moderating effect of general hospital structure and its size is partially supported. General hospital structure and its size moderates only the relationship between competition orientation and performance.

The Humanities Course Experience of Multicultural Couples : Focusing on Movie Making (다문화부부의 인문학강좌 참여경험 : 영화만들기를 중심으로)

  • Kang, Jaime M.;Byun, Soung-Won;Kim, Deok-Soon;Kim, Jeong-Uk;Park, Hyun-Jung
    • Journal of Digital Convergence
    • /
    • v.11 no.7
    • /
    • pp.305-312
    • /
    • 2013
  • The purpose of this qualitative study is to analyze the experience of multicultural couples who participated in the movie making educational activity within the program "Communication Development among Multicultural and Indigenous Couples Through Intercultural Praxis." This program was held for 8 months from March 10, 2012 to November 11, 2012. Among the participants, 4 couples agreed for both individual and group interviews and provided data for this paper. The interview result can be categorized into the following four: quality relationship, acceptance and support, positive thinking, and accomplishment.

The Impact of Color on the Glove Pitcher Hitting a Batter Concentration (투수의 글러브 색상이 타자의 타격 집중도에 미치는 영향)

  • Kim, HyunBin;Kim, ByoungJun
    • Journal of Digital Convergence
    • /
    • v.15 no.3
    • /
    • pp.405-411
    • /
    • 2017
  • The purpose of this study was to identify the color that you want the pitcher glove hit impact on the intensity of the other. The color of the glove pitcher was set to black, orange, beige three kinds analyzed the concentration of the batter accordingly. Subjects of this study were 15 people targeting high school baseball players in Daejeon, through a pre- test and vision test color blind players were selected with no visual problems. After the blow of the experiment was used to color the glove Nideffer is modified to fit and complement the six subscales B-TAIS. As a result, when wearing a colored glove that contrasts with the color of the ball, the batter's concentration was increased. Hopefully, research will take place using the ball skill and equipment of various pitchers.

The Structural and Figurative Features of the Upholstery Style in Fashion and Furniture (복식.실내가구에 나타난 업홀스터리 스타일의 구조적.조형적 특징)

  • Lee, Hye-Won;Kim, Min-Ja
    • Journal of the Korean Society of Costume
    • /
    • v.61 no.8
    • /
    • pp.73-84
    • /
    • 2011
  • Upholstery style is the form which bulges a shape by putting fillings in the support and covering them with patterned textile or pile fabric. Modern upholstery style was combined with the various socio-cultural products and artistic styles and expressed in interior furniture and costumes of historical time periods. The style first originated when people built houses for settlement and made furniture to decorate its interior. The characteristics of upholstery style came to be prominent in the Renaissance, Baroque and Rococo times with the development of science and textile industry. The interior furniture represented the ages of the Renaissance, Baroque and Rococo and were made with similar images of the architectural style from those different time periods. Textiles, tapestry, velvet, corduroy, damask, brocade, and the most frequently used velvet are elements that make up the structural and figurative features of the architectural style. The upholstery style of furniture also shows the forms of clothing that represents each of the different periods. This style still continues to be used today. In modern day fashion, the figurative characteristics of the upholstery style that derives from interior furniture and clothing from the different time periods are bulkiness, asymmetry and exoticism. Such figurative characteristics have evolved through the combination of diverse genres but it still maintains similar designs and forms.

Predictors of Health Promoting Lifestyles in College Women (여대생의 건강증진 생활양식과 관련된 변인 분석)

  • Kim, Myoung-Hee;Chon, Mi-Young
    • Women's Health Nursing
    • /
    • v.7 no.3
    • /
    • pp.293-304
    • /
    • 2001
  • The purpose of this study was to investigate the factors influencing health promoting lifestyles in college women thus providing the basic data necessary to establish a health promoting program. The subjects of this study were 274 college women, living in Seoul, Chung-Buk, and Kangwon, during the period from May 10 to July 15, 2000. The instruments for this study were the health promoting lifestyles scale developed by Bak, Insuk(1995), the self efficacy scale by Sherer et al. (1982), the social support scale by Su, Moonja(1988), the self-esteem scale by Rosenberg(1965) and the perceived health status scale by Lawton et al.(1982). The results of this study are as follows; 1. The average score for health promoting lifestyles was 2.45 on a 4 point scale. The health promoting lifestyles categories 'harmony relationships' (3.04) and 'sanitary life'(3.02) revealed higher scores, whereas scores for 'healthy diet' (2.32), 'exercise & activity' (2.14) and 'professional health management' (1.48) were lower. 2. The mean score for self-efficacy, social support, self esteem and perceived health status was 3.38 (on a 5 point scale), 2.88 (on a 4 point scale), 2.98(on a 4 point scale) and 3.08(on a 5 point scale) respectively. 3. Health promoting lifestyles showed significant positive correlation with self efficacy, social support, self esteem and perceived health status. 4. Stepwise multiple regression analysis revealed that the most powerful predictor of health promoting lifestyle was self efficacy. Self efficacy, social support, and perceived health status have significant effects on health promoting lifestyles. These predictive variables of health promoting lifestyles explained 25% of variance. Finally, the result of this study will provide important factors for the development of a nursing intervention program for the promotion of healthy lifestyles in college women.

  • PDF

Acculturation Stress and Health Promotion Behaviors of the Korean Chinese Elderly Immigrants Living in Korea (한국 거주 조선족 노인이주자의 문화적응 스트레스와 건강증진 행위 관계)

  • Jin, Xianglan;Song, Misoon
    • Perspectives in Nursing Science
    • /
    • v.13 no.2
    • /
    • pp.70-80
    • /
    • 2016
  • Purpose: This study examined the relationship between acculturation stress and health promotion behaviors in the Korean Chinese elderly immigrants living in Korea, focusing on the buffering effects of social support. Methods: We included 132 completed questionnaires in the analysis. The buffering effect was examined using a hierarchical regression analysis by adding interaction terms. Results: Health promotion scores were significantly higher in the group with a higher education level, lower depressive symptom scores, and higher levels of social support. However, no statistically significant differences were found in the health promotion behaviors by gender, age, spouse, job, financial stability, subjective health status, chronic disease, regular health checkups, or acculturation stress. The hierarchical regression analysis demonstrated that social support had a buffering effect on the relationship between acculturation stress and health promotion behaviors in the Korean Chinese elderly immigrants. Specifically, the relationship between the acculturation stress stemming from the difficulties in the workplace and health promotion behaviors was attenuated by social support. Conclusion: These findings indicate that social support significantly moderates the relationship between acculturation stress and health promotion behaviors in the Korean Chinese elderly immigrants living in Korea. A variety of strategies to enhance social support should be incorporated in the health promotion programs to decrease the negative effects of acculturation stress in the Korean Chinese elderly living in Korea.

A Study on The Effect of IHRM to Firm's Competitive Advantage (국제기업의 인적자원관리전략 의사결정이 경쟁우위에 미치는 영향에 대한 분석)

  • Lee, Jung-Ah;Lee, Chun-Su
    • International Commerce and Information Review
    • /
    • v.15 no.1
    • /
    • pp.135-159
    • /
    • 2013
  • The globalization of business is making it more important than ever to understand how international human resource can be utilized more competitively. This study explores how the international human resource strategies between global integration and local responsiveness affects the company's competitive advantage. The findings for global integration strategy suggest that when a subsidiary is highly dependent on the parent company's resources and the findings for local responsiveness suggest that when a subsidiary is highly dependant on the host country's resources and institution. This study proposes competitive advantage by the global integration strategy and local responsiveness strategy. The effects of IHRM to create value for company's core competence was analyzed. Two IHRM strategic choices will affect the different competences such as integration and localization abilities. This paper also suggests the two kinds of core competences of IHRM strategies how impact on company's performance.

  • PDF