• Title/Summary/Keyword: fourth-order convergence

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Analysis of Spectator Factors of Seongnam Football Club Spectators

  • Kim, So Hee;Kwon, Ki Hyun;Han, Seung Jin
    • Journal of Sport and Applied Science
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    • v.5 no.2
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    • pp.63-71
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    • 2021
  • Purpose: The purpose of this study, we will evaluate and analyze the importance and performance of Seongnam Football Club visitors using IPA analysis to present new marketing strategies and improvement plans based on the basis of the audience's perception of the team's priority, low priority, and excessive effort. Research design, data, and methodology: In order to achieve the purpose of the study, the survey was conducted on 120 home spectators of Seongnam Football Club, and the analysis of the data was conducted using SPSS Window Version 21.0. Data were analyzed via frequency analysis, exploratory factor analysis, corresponding sample t-test, and IPA analysis. Findings are as follows. Results: First, the first quadrant showed 'The convenience of access to the stadium', 'Parking lot convenience', 'Tournament schedule guidance', 'Providing information about player', 'Providing information about the team', 'Ticket reservation method'. Second, the second quadrant showed 'Players' fan service', 'Cleanliness of toilets', 'A player's level of performance', 'Team's level of play', 'A match against a rival team'. Third, the third quadrant showed 'Indication of facility guidance', 'Seat comfort', 'Team's Star Player Possession', 'Various participation events', 'Gift recommendation'. Fourth, the fourth quadrant showed 'Player-related promotion through media', 'Promote match schedules through media', 'Entrance convenience', 'Ticket Price'. Conclusions: Based on these findings, Factor in first quadrant, fourth quadrant should be kept. On the other hand, factors in second quadrant should be improved as soon as possible while factors in third quadrant can be improved through new marketing strategies in the future. Future implications were discussed.

Study for academic establishment of phase of Department of Security Service (경호학의 학문적 위상정립을 위한 고찰)

  • Kim, Sang Jin
    • Convergence Security Journal
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    • v.13 no.5
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    • pp.197-205
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    • 2013
  • Security Service is the study for social safety and maintenance of order. Compared with the industrial circle, it has only been 18 years, though, many-sided scholars have been interested in this field and tried. The present Security Service, however, has several problems, so it is difficult to gain recognition as the value of learning. To achieve this, several kinds of prior tasks should get solved. First, Preparation for agreement between Industry and University about the academic concept and establishment of range. Second, Set up the School Register System for the academic establishment of identity. Third, Preparation of the plan for the organization of education system. Fourth, Study Direction different from the industrial world. (Unconcern) Therefore, the alternatives centered on some prior tasks will be suggested to enhance the identity and value of Security Service as the study.

Asymptotic optimal bandwidth selection in kernel regression function estimation (커널 회귀함수 추정에서 점근최적인 평활량의 선택에 관한 연구)

  • Seong, Kyoung-Ha;Kim, Dae-Hak
    • Journal of the Korean Data and Information Science Society
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    • v.9 no.1
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    • pp.19-27
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    • 1998
  • We considered the bandwidth selection method which has asymptotic optimal convergence rate $n^{-1/2}$ in kernel regression function estimation. For the proposed bandwidth selection, we considered Mean Averaged Squared Error as a performance criterion and its Taylor expansion to the fourth order. Then we estimate the bandwidth which minimizes the estimated approximate value of MASE. Finally we show the relative convergence rate between optimal bandwidth and proposed bandwidth.

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Isogeometric Collocation Method to solve the strong form equation of UI-RM Plate Theory

  • Katili, Irwan;Aristio, Ricky;Setyanto, Samuel Budhi
    • Structural Engineering and Mechanics
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    • v.76 no.4
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    • pp.435-449
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    • 2020
  • This work presents the formulation of the isogeometric collocation method to solve the strong form equation of a unified and integrated approach of Reissner Mindlin plate theory (UI-RM). In this plate theory model, the total displacement is expressed in terms of bending and shear displacements. Rotations, curvatures, and shear strains are represented as the first, the second, and the third derivatives of the bending displacement, respectively. The proposed formulation is free from shear locking in the Kirchhoff limit and is equally applicable to thin and thick plates. The displacement field is approximated using the B-splines functions, and the strong form equation of the fourth-order is solved using the collocation approach. The convergence properties and accuracy are demonstrated with square plate problems of thin and thick plates with different boundary conditions. Two approaches are used for convergence tests, e.g., increasing the polynomial degree (NELT = 1×1 with p = 4, 5, 6, 7) and increasing the number of element (NELT = 1×1, 2×2, 3×3, 4×4 with p = 4) with the number of control variable (NCV) is used as a comparable equivalent variable. Compared with DKMQ element of a 64×64 mesh as the reference for all L/h, the problem analysis with isogeometric collocation on UI-RM plate theory exhibits satisfying results.

MMS Accuracy Analysis for Earthwork Site Application (토공현장 적용성 검증을 위한 MMS 정밀도 분석)

  • Park, Jae-woo;Kim, Seok
    • Journal of the Korean Society of Industry Convergence
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    • v.22 no.2
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    • pp.183-189
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    • 2019
  • Researches utilizing the fourth industrial revolution technology are being conducted as a breakthrough for improving the earthworker productivity. In order to make the earthwork site smarter, it is necessary to digitize the construction site topography at first. For this purpose, photogrammetry using drones and LiDAR on MMS have been recently used. The purpose of this study is to analyze the accuracy of LiDAR by installation angles for verifying the application of MMS in the construction site. As a result of comparing the coordinates measured by the total station and the LiDAR, a small error of about 1-2 centimeters was shown. It is confirmed that MMS could be well applied to the earthwork site. In addition, there was no significant difference in the accuracy of the acquired coordinates according to the installation angle of the LiDAR, but the shape of the point clouds was different. The larger the installation angle, the better the shape of the site terrain is measured.

A Study on 3D Geospatial Information Model based Influence Factor Management Application in Earthwork Plan (3차원 지형공간정보모델기반 토공사 계획 및 관리에 미치는 영향요인 관리 애플리케이션 연구)

  • Park, Jae-woo;Yun, Won Gun;Kim, Suk Su;Song, Jae Ho
    • Journal of the Korean Society of Industry Convergence
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    • v.22 no.2
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    • pp.125-135
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    • 2019
  • In recent years, the digital transformation age represented by the "Fourth Industrial Revolution", which is a universalization of digitalization across all industries, has become a reality. In the construction sector in 2018, the Ministry of Land, Infrastructure and Transport established the Smart Construction 2025 vision and established the 'Smart Construction Technology Roadmap' aiming to complete construction automation by 2030. Especially, in the construction stage, field monitoring technology using drones is needed to support construction equipment automation and on-site control, and a 3D geospatial information model can be utilized as a base tool for this. The purpose of this study is to investigate the factors affecting earthworks work in order to manage changes in site conditions and improve communication between managers and workers in the earthworks plan, which has a considerable part in terms of construction time and cost as a single type of work. Based on this, field management procedures and applications were developed.

A Finite Element Galerkin High Order Filter for the Spherical Limited Area Model

  • Lee, Chung-Hui;Cheong, Hyeong-Bin;Kang, Hyun-Gyu
    • Journal of the Korean earth science society
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    • v.38 no.2
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    • pp.105-114
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    • 2017
  • Two dimensional finite element method with quadrilateral basis functions was applied to the spherical high order filter on the spherical surface limited area domain. The basis function consists of four shape functions which are defined on separate four grid boxes sharing the same gridpoint. With the basis functions, the first order derivative was expressed as an algebraic equation associated with nine point stencil. As the theory depicts, the convergence rate of the error for the spherical Laplacian operator was found to be fourth order, while it was the second order for the spherical Laplacian operator. The accuracy of the new high order filter was shown to be almost the same as those of Fourier finite element high order filter. The two-dimension finite element high order filter was incorporated in the weather research and forecasting (WRF) model as a hyper viscosity. The effect of the high order filter was compared with the built-in viscosity scheme of the WRF model. It was revealed that the high order filter performed better than the built in viscosity scheme did in providing a sharper cutoff of small scale disturbances without affecting the large scale field. Simulation of the tropical cyclone track and intensity with the high order filter showed a forecast performance comparable to the built in viscosity scheme. However, the predicted amount and spatial distribution of the rainfall for the simulation with the high order filter was closer to the observed values than the case of built in viscosity scheme.

A Study on the Development of Convergence Education Program for workers in Health and Medical Industry in preparation for the forth industrial revolution (4차 산업혁명 대비 보건의료 산업분야종사자를 위한 융합교육 프로그램에 관한 연구)

  • Kim, Sun-Jung;Kim, Yeon-Sun;Kim, Ji-Hoon;Lee, Jung-Hwa;Chang, Kyung-Eun
    • Journal of the Korea Convergence Society
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    • v.9 no.5
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    • pp.43-52
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    • 2018
  • The purpose of this study is to conduct a survey on awareness of the fourth industrial revolution being much debated recently and suggest the educational program for adult learner in order to create a new demand of university according to the social change. Based on earlier researches, the survey was conducted on employees working in the health and medical industry with questionnaire including the relevant educational field, areas of turnover and educational needs from July 1 to July 31, 2017. As a result, the bio-medical device, senior-friendly industry, environment and safety, clinical counselor and food service industry(coffee industry) were identified as necessary education areas. To enhance the validity of research results, in-depth interviews of relevant experts in each field were conducted from August 19 to September 22, 2017, and presented necessary education programs driven by the advent of the fourth industrial revolution and changes in each areas.

The Multicultural Competency of Childcare Teachers for the Fusion Age Impact on Organizational Effectiveness (융합시대를 위한 보육교사의 다문화역량이 조직효과성에 미치는 영향)

  • Kim, Young-Ok;Shin, Seon-Mee
    • Journal of Convergence for Information Technology
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    • v.8 no.4
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    • pp.181-188
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    • 2018
  • The purpose of this study is to investigate the effect of multicultural competence on the organizational effectiveness of daycare teachers and to provide basic data to improve organizational effectiveness of daycare facilities. To achieve this goal, 258 childcare teachers attending C university were sampled for convenience and statistical processing was performed using PASW. First, there was a positive correlation between organizational productivity, organizational adaptability, and job satisfaction in the relationship between multicultural knowledge and organizational productivity, organizational adaptability, organizational commitment, and job satisfaction. second. The relationship between multicultural awareness and organizational productivity, organizational adaptability, and organizational commitment were all statistically correlated. Third, multicultural knowledge and multicultural awareness have positive effects on organizational commitment, organizational adaptability, and organizational productivity. Fourth, multicultural knowledge has a positive effect on job satisfaction. Therefore, in order to improve organizational effectiveness of day care facilities in the era of convergence, education programs related to multicultural knowledge and multicultural awareness are needed for daycare teachers.

The Possibility of Social-cultural Creativity Education: A Case Study of "Imaginative Innovator" at H University (사회문화적 창의력 교육의 가능성 제안 : H대학교 '상상력 이노베이터' 교과목 개발 및 운영 사례)

  • Lee, Jee-Young
    • The Journal of the Korea Contents Association
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    • v.21 no.7
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    • pp.448-458
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    • 2021
  • As the fourth industrial revolution accelerates, universities have made great efforts to develop and reform creative convergence courses for improving the students' creative convergence capabilities. Although various subjects such as "Capstone" and "Design Thinking" to the improvement of students' creative convergence competences, many courses focus on creativity education in the direction of creating new products or outputs such as engineering, design, and art, so there is still a lack of systematic education and subjects on creative convergence capabilities from a humanities and sociological perspective. In order to overcome their limitations of creative courses, "H" University developed a 'Imaginative Innovators' class with the purpose of solving creative problems on social issues related to sciences, culture, politics, economics, and so on. In this study, we introduced the purpose, methodology, students' best practices etc. of the "Imaginative innovator" course. In addition, we discussed the limitations and complements as well as the advantages and possibilities of the course. These findings are expected to contribute to the development and expansion of creativity education.