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Using element-embedded rebar model in ANSYS for the study of reinforced and prestressed concrete structures

  • Lazzari, Bruna M.;Filho, Americo Campos;Lazzari, Paula M.;Pacheco, Alexandre R.
    • Computers and Concrete
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    • v.19 no.4
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    • pp.347-356
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    • 2017
  • ANSYS is a software well accepted by professionals and academics, since it provides a variety of finite elements, material constitutive models, and linear and nonlinear analysis of structures in general. For the concrete material, for instance, the software uses an elastoplastic model with the Willam-Warnke surface of rupture (1975). However, this model is only available for finite elements that do not offer the possibility of use of the element-embedded model for rebars, demanding a much larger amount of elements to discretize structures, making numerical solutions less efficient. This study is, therefore, about the development of a computational model using the Finite Element Method via ANSYS platform for nonlinear analysis of reinforced and prestressed concrete beams under plane stress states. The most significant advantage of this implementation is the possibility of using the element-embedded rebar model in ANSYS with its 2D eight-node quadratic element PLANE183 for discretization of the concrete together with element REINF263 for discretization of rebars, stirrups, and cables, making the solutions faster and more efficient. For representation of the constitutive equations of the steel and the concrete, a proposed model was implemented with the help of the UPF customization tool (User Programmable Features) of ANSYS, where new subroutines written in FORTRAN were attached to the main program. The numerical results are compared with experimental values available in the technical literature to validate the proposed model, with satisfactory results being found.

Comparison of Male and Female Breast Cancer Incidence and Mortality Trends in Central Serbia

  • Sipetic-Grujicic, Sandra;Murtezani, Zafir;Ratkov, Isidora;Grgurevic, Anita;Marinkovic, Jelena;Bjekic, Milan;Miljus, Dragan
    • Asian Pacific Journal of Cancer Prevention
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    • v.14 no.10
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    • pp.5681-5685
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    • 2013
  • Background: To compare breast cancer incidence and mortality trends in Central Serbia between males and females in the period 1999-2009. Materials and Methods: In this descriptive study, mortality data were obtained from the National Statistics Institute and morbidity data were derived from Institute of Public Health of Serbia for the period of interest. Results: Breast cancer is a leading cancer in the female population of Central Serbia, whereas in male population it is not on the list of 10 leading localizations, concerning both incidence as well as mortality. In the period 1999-2009 the average standardized incidence rates of breast cancer were 60.5/100,000 in women and 1.4/100,000 in men, while average standardized mortality rates were 20.4/100,000 and 0.4/100,000. The average standardized incidence and mortality rates were about 45 times higher in females than males. Male breast cancer comprises approximately 2.1% of all breast cancer cases. The average age-specific mortality and incidence rates increased with age in both sexes. In the observed period standardized mortality rates of breast cancer increased significantly only in men ($y=0.320+0.0215{\times}$, p=0.044). Conclusions: The increase of breast cancer incidence in both sexes and mortality in men, indicate an urgent need for Serbian health professionals to apply existing cancer control and preventive measures. Male breast cancer is more present than in other world regions, with an outstanding increase of mortality, which demands a timely identification (screening) and adequate treatment. A national policy including mammography should be considered in the light of the newest findings.

The Classification of Fashion Frame and Fashion Image of Korean Women in their Twenties and Thirties (한국 20~30대 여성의 패션 프레임과 패션이미지 유형화)

  • Shin, Sae-Young;Kim, Young-In
    • Journal of the Korean Society of Costume
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    • v.63 no.4
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    • pp.118-131
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    • 2013
  • The purpose of this study is to take a look at the fashion frame of Korean women in their twenties and thirties to sort the actual fashion image and the ideal fashion image according to the fashion frame of Korean women in their twenties and thirties, and also to find out the standards and features that divide such a classification. For this study, we used the Q method, which is valued as an effective way to assess subjectivity. This helps to objectively classify the perception the fashion images of and the response to them as well. The analyzed materials were divided into two actual fashion frames and two ideal fashion frames, and classified them into 12 fashion image types in total, that is, six actual fashion images and six ideal fashion images, and we named each type of the fashion images and analyzed the features of each fashion image type through the in-depth Q workshop in which 14 professionals participated. The results of this study are as follows: First, the actual fashion frames of Korean women in their twenties and thirties was largely divided into 'Fashion Gold Girl', the fashion frame of mainstream and 'Indi-idol', the fashion frame of subcultures, and this was further divided into six fashion image types: 'Basic Casual', 'Vintage Performer', 'Easy Chic', 'Ladies' Look', 'City Office Girl' and 'Club Mania'. Second, the ideal fashion frame of Korean women in their twenties and thirties was divided into 'Urban Refinement', the fashion frame of the mainstream and 'Mismatched Style', the fashion frame of subcultures. It was also divided into six fashion image types: Power Fashion', 'Fashion Conservative', 'Semi-culture', 'Fashion Otaku', 'Sweet Darling' and 'Fashion Panic'. Third, The characteristics of the fashion images' colors are recognizable according to the type of fashion images.

A Model for Community Participation in Breast Cancer Prevention in Iran

  • Ahmadian, Maryam;Samah, Asnarulkhadi Abu
    • Asian Pacific Journal of Cancer Prevention
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    • v.13 no.5
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    • pp.2419-2423
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    • 2012
  • Context: Genuine community participation does not denote taking part in an action planned by health care professionals in a medical or top-down approach. Further, community participation and health education on breast cancer prevention are not similar to other activities incorporated in primary health care services in Iran. Objective: To propose a model that provides a methodological tool to increase women's participation in the decision making process towards breast cancer prevention. To address this, an evaluation framework was developed that includes a typology of community participation approaches (models) in health, as well as five levels of participation in health programs proposed by Rifkin (1985&1991). Method: This model explains the community participation approaches in breast cancer prevention in Iran. In a 'medical approach', participation occurs in the form of women's adherence to mammography recommendations. As a 'health services approach', women get the benefits of a health project or participate in the available program activities related to breast cancer prevention. The model provides the five levels of participation in health programs along with the 'health services approach' and explains how to implement those levels for women's participation in available breast cancer prevention programs at the local level. Conclusion: It is hoped that a focus on the 'medical approach' (top-down) and the 'health services approach' (top-down) will bring sustainable changes in breast cancer prevention and will consequently produce the 'community development approach' (bottom-up). This could be achieved using a comprehensive approach to breast cancer prevention by combining the individual and community strategies in designing an intervention program for breast cancer prevention.

Development and Initial Validation of the Korean Job Crafting Scale (한국판 잡 크래프팅 척도 개발 및 타당화)

  • Lee, Hyun-Eung
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.18 no.10
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    • pp.611-623
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    • 2017
  • The purpose of this study is to develop and validate the Korean Job Crafting Scale. First, previous studies on the concept and measurement of job crafting were reviewed, and items were developed based on this review. The content validity of the scale was examined using a focus group interview consisting of 10 HRM professionals. Following modification of the items, the measurements were administered to 305 employees from 8 Korean firms, and exploratory factor analysis was conducted in order to examine the factorial validity of the scale. Subsequently, confirmatory factor analysis was implemented concerning data collected from 295 employees who work in 7 Korean firms. Results indicated that the measurement model sufficiently explained the data at an appropriate level, and the subscales featured convergent and discriminant validity. If the scale developed in this study is validated in further studies, it can be employed to conduct research regarding job crafting in Korean organizations.

A Study on the Implementation Strategy for the National Year of Reading in Korea (국민독서 증진을 위한 방안 연구 - 국민독서의 해를 중심으로 -)

  • Han, Yoon-Ok;Kim, Jong-Ae;Cho, Mi-Ah
    • Journal of Korean Library and Information Science Society
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    • v.42 no.3
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    • pp.127-148
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    • 2011
  • Recognizing the need for the nation-wide reading initiative to promote reading activities of the whole nation, this study was conducted to provide the foundation for planning the National Year of Reading in Korea. It reviewed the details on the administration, budget, cooperation, promotion, program and implementation strategy of the National Year of Reading in the U. K., Japan, and Australia. To investigate the nation's perception of reading and the nation-wide reading initiative, a focus group interview with 13 professionals in reading and a survey partaken by 719 citizens were conducted. This study provides the foundation for establishing the implementation strategy for the National Year of Reading by examining people's perception and the specific requirements for implementing the initiative.

Analysis of Multi-variate Recurrent Fall Risk Factors in Elderly People Using Residential Assessment Instrument-Home Care - Comparisons between Single and Recurrent Fallers - (RAI-HC를 이용한 노인의 다면적 재낙상 위험요인 분석 -1회 낙상자와 재낙상자 비교-)

  • Yoo, In-Young
    • Journal of Korean Academy of Nursing
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    • v.41 no.1
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    • pp.119-128
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    • 2011
  • Purpose: This study was done to determine the risk factors for recurrent fallers (2+falls) compared to single fallers. Methods: Participants were 104 community-dwelling people 65 yr of age or older. The data were collected from June 1, 2008 to June 30, 2009 using the Residential Assessment Instrument-Home Care. Results: Over the past 90 days, 55.7% of the 104 participants fell once, and 44.2% experienced recurrent falls (2+falls). In comparison of recurrent fallers with single fallers, there were significant differences in scores on the following factors: gender ($X^2$=4.22, p=.040), age ($X^2$=5.74, p=.017), educational level ($X^2$=5.22, p=.022), living arrangements ($X^2$=35.02, p<.001), cardiovascular diseases ($X^2$=17.10, p<.001), hypertension ($X^2$=4.43, p=.035), diabetes mellitus ($X^2$=4.44, p=.035), glaucoma ($X^2$=13.95, p<.001), Minimal Data Set (MDS)-Pain (t=-2.56, p=.012), fear of falling ($X^2$=4.08, p=.034), reduced vision (t=-3.06, p=.003), MDS-activity of daily living (t=3.46, p=.001), MDS-Instrumental Activities of daily living (t=3.24, p=.002), cognition (MDS-Cognition Performance Scale) (t=3.40, p=.001), and 'difficulties entering and leaving the house' ($X^2$=4.53, p=.033). Conclusion: It is important to assess the risk factors for recurrent falls and develop differentiated strategies that will help prevent recurrent falls. Additionally, utilizing a standardized tool, such as RAI-HC, would help health professionals assess multi-variate fall risk factors to facilitate comparisons of different community care settings.

Impact of emotional labor and stress coping behaviors on job strain in cosmetology industry workers (미용업 관련 종사자의 감정노동, 스트레스 대처행동이 직무긴장에 미치는 영향)

  • Cho, Hee Sook;Kang, Lily
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.15 no.3
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    • pp.1311-1317
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    • 2014
  • This is a descriptive study that attempts to provide basic information for easing job strain and enhancing the efficiency of cosmetology industry workers by examining the effects that the emotional labor and stress-coping of cosmetology workers have on their job strain. As a result of a multiple regression analysis of the factors affecting the subjects job strain, their surface acting and problem-focused coping, unconcern coping, social support were seen as factors that accounted for 30% of their job strain. Of the emotional labor of the subjects, the external behaviors displayed positive correlations with job strain; and they showed negative correlations with problem-focused coping and social support. Concerning emotional labor, sincere behavior was found to have positive correlations with problem-focused coping, hoping, social support, positive coping and strain relieving. Based on the results of this study, it is deemed that, along with interventions for emotional labor, education and intervention programs for a healthy and positive stress coping are needed in regards to interventions for cosmetology professionals.

Exploratory Study on the Multi-cultural Background Adolescent's Growth Environment in Busan (다문화청소년 성장환경에 대한 탐색적 연구)

  • Kim, Kyo-Jeung;Jung, Kyu-Suk
    • The Journal of the Korea Contents Association
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    • v.8 no.11
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    • pp.272-285
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    • 2008
  • The number of Multi-cultural Background Adolescent increases every year. It is necessary to show their growing environment in which they are brought up. So this study tries to have a questionnaire research with 588 adolescents and an focus group-interview with 8 service professionals In conclusion, this study suggests developing supplemental programs, supporting systems such as the person participation in the step of the program planning, the community organization networking, professional placement, providing integration service and training program in a family unit.

Study of Music Classification Optimized Environment and Atmosphere for Intelligent Musical Fountain System (지능형 음악분수 시스템을 위한 환경 및 분위기에 최적화된 음악분류에 관한 연구)

  • Park, Jun-Heong;Park, Seung-Min;Lee, Young-Hwan;Ko, Kwang-Eun;Sim, Kwee-Bo
    • Journal of the Korean Institute of Intelligent Systems
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    • v.21 no.2
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    • pp.218-223
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    • 2011
  • Various research studies are underway to explore music classification by genre. Because sound professionals define the criterion of music to categorize differently each other, those classification is not easy to come up clear result. When a new genre is appeared, there is onerousness to renew the criterion of music to categorize. Therefore, music is classified by emotional adjectives, not genre. We classified music by light and shade in precedent study. In this paper, we propose the music classification system that is based on emotional adjectives to suitable search for atmosphere, and the classification criteria is three kinds; light and shade in precedent study, intense and placid, and grandeur and trivial. Variance Considered Machines that is an improved algorithm for Support Vector Machine was used as classification algorithm, and it represented 85% classification accuracy with the result that we tried to classify 525 songs.