• Geomechanics and Engineering
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• 제11권6호
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• pp.787-803
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• 2016

DDARF (Discontinuous Deformation Analysis for Rock Failure) is a numerical algorithm for simulating jointed rock masses' discontinuous deformation. While its reinforcement simulation is only limited to end-anchorage bolt, which is assumed to be a linear spring simply. Here, several new reinforcement modes in DDARF are proposed, including lining reinforcement, full-length anchorage bolt and equivalent reinforcement. In the numerical simulation, lining part is assigned higher mechanical strength than surrounding rock masses, it may include multiple virtual joints or not, depending on projects. There must be no embedding or stretching between lining blocks and surrounding blocks. To realize simulation of the full-length anchorage bolt, at every discontinuity passed through the bolt, a set of normal and tangential spring needs to be added along the bolt's axial and tangential direction. Thus, bolt's axial force, shearing force and full-length anchorage effect are all realized synchronously. And, failure criterions of anchorage effect are established for different failure modes. In the meantime, from the perspective of improving surrounding rock masses' overall strength, a new equivalent and tentative simulation method is proposed, it can save calculation storage and improve efficiency. Along the text, simulation algorithms and applications of these new reinforcement modes in DDARF are given.

• 한국문헌정보학회지
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• 제53권3호
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• pp.101-120
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• 2019

클라우드 형태의 학술연구데이터 인프라에서는 데이터 분석과 융합의 작업환경에 연구자가 직접 개입할 수 있게 된다. 때문에 연구기록 등의 학술연구데이터에 대한 명확한 연구자 인식은 보다 중요하다. 본 연구는 기록관리 분야 연구자들의 인식에 초점을 두고 학술연구데이터의 하나인 연구기록이 갖는 구조적 논리성을 차세대 연구정보 인프라 요건으로 강조한다. 최근 발행된 논문들의 연구프레임 분석을 통하여 연구의 구조적 요건에 대한 저자들의 인식을 진단하고 인식교정이 필요한 취약 부분들을 지적하고 개선 방안을 제시했다.

• Asian Journal of Business Environment
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• 제11권1호
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• pp.27-37
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• 2021

Purpose: This article aims to provide a balanced understanding of the structural conditions and social processes involved in the creation and diffusion of innovation. Research design, data and methodology: Drawing on organizational and economic sociology and strategic management literature, this article offers a conceptual framework that highlights the two dimensions of network structures: the vertical dimension focusing on power and legitimacy vs. the horizontal dimension highlighting information value. By organizing the literature on the functions and consequences of network, this paper advances a theoretical perspective in understanding the vast array of empirical studies on innovation involving network analysis. Results: Using the proposed framework, this article explains how the mechanisms of power, legitimacy, and information value work together with social structural factors, thus enriching our understanding of innovation. This study reveals that the information mechanism (horizontal dimension) has been most important in innovation creation and diffusion, and that trust, credibility, and legitimacy are operative in innovation diffusion. Conclusions: This paper contributes to the literature by responding to calls to extend existing frameworks to better account for the dynamics between innovation and network. In addition, this article highlights how conceptualizing innovation within the horizontal-vertical dimensions of network structures, creates new opportunities for future research.

• The Journal of Asian Finance, Economics and Business
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• 제8권3호
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• pp.619-628
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• 2021

Enterprise system (ES) reflects a significant IT commitment to achieve corporate goals and satisfy its thrust toward a sustainable competitive advantage. This research investigates the required ES architecture, the value of a well-planned ES, and the human factor capabilities that drive the effective implementation of ES from a management perception. This paper examined the critical factors shaping the business systems' performance, architecture readiness, experts' readiness, and enterprise systems planning. Based on an extensive literature review, the attributes of factors mentioned earlier were identified, classified and then statistically examined using the author's' proposed conceptual structural model. This study employs a quantitative research methodology, with a random sampling technique. This paper has used the data collected from 510 respondents working in service, engineering and health sectors in OMAN. The study model analysis utilized both exploratory and confirmatory factor analysis, followed by a structural equation modeling using SPSS 25 and EQS6.3 statistical tools. The results unveil a piece of remarkable and robust evidence suggesting that ES planning is the most significant aspect of influencing performance, followed by IT personnel, staff and consumers expertise, and architecture readiness.

• 한국경영공학회지
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• 제23권4호
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• pp.165-177
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• 2018

Smart technology has been utilized in various fields of all kinds of industries. Manufacturing industry has built its smart technology environment appropriate for its manufacturing fields in order to strengthen its manufacturing performance and competitiveness. The advance of smart technology for manufacturing industry needs to efficiently produce products, and response customer's demands and services in a global industrial environment. The smart technology capability of manufacturing fields is very crucial for the innovative production and efficient operation activities, and for efficient advancement of the manufacturing performance. We have necessitated a scientific and objective method that can gauge a smart technology ability in order to manage and strengthen the smart technology ability of manufacturing fields. This research provides a comprehensive framework that can rationally gauge the smart technology capability of manufacturing fields for effectively managing and advancing their smart technology capabilities. In this research, we especially develop a structural framework that can gauge the smart technology capability for a smart factory of manufacturing fields, with verifying by reliability analysis and factor analysis based on previous literature. This study presents a 13-item framework that can measure the smart technology capability for a smart factory of manufacturing fields in a smart technology perspective.

• 유통과학연구
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• 제20권10호
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• pp.79-91
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• 2022

Purpose: As the shared kitchen sector evolves into a new trend in the restaurant industry, not only operational support but also the physical environment for services is ranked as an important success factors. Therefore, the purpose of this thesis is to study the effect of shared kitchen service quality on experiential value, relational commitment, and long-term orientation. Research design, data, and methodology: In this study, a questionnaire was used to verify the structural relationship between shared kitchen service quality, experiential value, relational commitment, and long-term orientation for tenant companies in shared kitchen companies. The data were analyzed by using Partial Least Square-Structural Equation Modeling (PLS-SEM). Result: Facilities and support for the service quality of the shared kitchen had a positive (+) effect on the experiential value, and the environment did not. In addition, experiential value showed a significant positive (+) effect on relationship commitment and long-term orientation, and relationship commitment showed a significant positive (+) effect on long-term orientation. Conclusions: It was confirmed that the support quality among service quality affects the relationship formation. Thus, attention should be paid to activities to support stable business activities from the perspective of B2B services.

• 방사성폐기물학회지
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• 제21권2호
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• pp.193-204
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• 2023

To ensure radiological safety margin in the transport and storage of spent nuclear fuel, it is crucial to perform source term and shielding analyses in advance from the perspective of conservation. When performing source term analysis on UO₂ fuel, which is mostly used in commercial nuclear power plants, uranium and oxygen are basically considered to be the initial materials of the new fuel. However, the presence of impurities in the fuel and structural materials of the fuel assembly may influence the source term and shielding analyses. The impurities could be radioactive materials or the stable materials that are activated by irradiation during reactor power operation. As measuring the impurity concentration levels in the fuel and structural materials can be challenging, publicly available information on impurity concentration levels is used as a reference in this evaluation. To assess the effect of impurities, the results of the source term and shielding analyses were compared depending on whether the assumed impurity concentration is considered. For the shielding analysis, generic cask design data developed by KEPCO-E&C was utilized.

• 한국항공운항학회지
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• 제32권2호
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• pp.124-134
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• 2024

This study is based on the Expectation Confirmation Theory (ECT) and categorizes trust types in non-face-to-face boarding services into three dimensions: structural assurance, platform, and service provider. It analyzes the impact of these trust types on users' perceived usefulness, satisfaction, and continuous usage intentions. Using a structural equation model, the study found that the three dimensions of trust positively influence users' satisfaction and perception of usefulness, thereby promoting intentions for continuous use. However, perceived risk weakens the positive relationship between trust and continuous usage intentions. By exploring the moderating role of perceived risk in non-face-to-face boarding services, this study analyzes its impact on user behavior patterns, contributing to the optimization of service design and enhancement of user trust. This study promotes widespread acceptance and continuous use of the service, and is crucial for developing effective non-contact service strategies that meet the needs and expectations of Chinese travelers in the post-pandemic travel environment. The findings provide a new perspective and empirical evidence for understanding user attitudes and behaviors towards non-face-to-face services, holding significant theoretical and practical implications.

• 한국의류학회지
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• 제48권4호
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• pp.597-614
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• 2024

This study examines how idealism and relativism, which are the two dimensions of personal moral philosophy, and the perceived moral intensity affect the purchase behavior of consumers regarding fashion items made of animal skin and fur. Data were collected through an online survey, and data from 372 Korean female consumers were statistically analyzed, excluding questionnaires with non-response, insincere responses, and outliers. The data analysis using structural equation models showed a significant effect of idealism but a non-significant effect of relativism on perceived moral intensity concerning the purchase of real leather and fur fashion items. In a structural equation model for each fashion item, perceived moral intensity had a negative effect on purchase behavior. The indirect effect of idealism on purchase behavior through the perceived moral intensity was confirmed to be statistifically significant for each fashion item. However, neither idealism nor relativism had a direct effect on the purchase behavior of both fashion items. The research results were discussed from an academic perspective and practical implications were presented.

• 한국전산구조공학회논문집
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• 제27권6호
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• pp.615-624
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• 2014

LNG 방열 시스템의 선형 동적해석 모델을 사용하여 슬로싱 충격 압력을 구조해석에 적용 시 사용되는 이상화된 삼각파 압력에 대해서 검토하였다. 삼각파 압력의 최대값, 지속시간, 비대칭성의 충격파에 대한 구조 안전성 평가를 위해서 멤브레인 구조의 허용기준과 슬로싱 압력에 관련된 간략화된 파괴압력에 대해 검토하고, 슬로싱 충격 압력의 지속시간과 비대칭성으로 특징 지워진 이상화된 삼각파 형상의 압력을 고려한 일련의 선형 동적해석을 수행하여 설계기준으로 사용할 파괴압력을 도출하였다. 본 논문에서 제시한 방법을 통해서 방열시스템 구조 요소의 안전성을 평가하기 위한 파괴 압력을 선정할 수 있고 모형실험을 통한 슬로싱 압력과의 비교를 통하여 방열시스템의 구조안전성을 평가할 수 있을 것이라 판단된다. 또한 해석결과를 통해 방열시스템에서의 최대 응력은 매우 짧은 순간의 충격하중 하에서는 압력의 비대칭성 보다는 하중 지속시간에 많은 영향을 받고 있음을 검토하였다.