• 인터넷정보학회논문지
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• 제20권6호
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• pp.85-93
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• 2019

Computational Science and Engineering is a convergence study that understands and solves complex problems such as science, engineering, and social phenomena through modeling using computing resources. Computational science and engineering combines algorithms, computational and informatics, and infrastructure. The importance of computational science is increasing with the improvement of computer performance and the development of large data processing technology. In Korea, Korea Institute of Science and Technology Information (KISTI) has been developing national computational science engineering software and utilization technology by combining basic science and computing technology through EDISON project. The EDISON project builds an open EDISON platform and integrates and services information systems in seven areas of computational science and engineering (computational thermal fluids, nanophysics, computational chemistry, structural dynamics, computational design, and computational medicine). Using this, we have established a web-based curriculum to lay the groundwork for fostering scientific talent and commercializing computational science and engineering software. The purpose of this study is to derive the quality characteristic factors of computational science platform and to empirically examine the effect on user satisfaction. This paper examines how the quality characteristics of information systems, the computational science engineering platform, affect the user satisfaction by modifying the research questions according to the propensity of the computational science platform by referring to the success factors of DeLone and McLean's information system. Based on the results of this study, we will suggest strategic implications for platform improvement by searching the priority of quality characteristics of computational science platform.

• 인터넷정보학회논문지
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• 제19권3호
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• pp.57-66
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• 2018

계산과학공학 소프트웨어 플랫폼인 EDISON( EDucation-research Integration through Simulation On the Net )은 클라우드 컴퓨팅 기반 웹서비스로서, 해석 소프트웨어를 이용한 웹 기반 시뮬레이션 서비스이다. EDISON에서는 사용자의 로컬 자원으로는 해석이 어렵거나 불가능한 계산과학공학 해석 문제를 웹 서비스를 통해 사용자에게 제공하며 미리 구축되어 있는 인프라 및 다양한 계산 노드를 통해 사용자에게 해석 결과를 제공한다. 그 결과로 사용자의 디바이스, 운영체제에 관계 없이 EDISON에 접근하여 계산과학 공학 해석 시뮬레이션을 수행할 수 있도록 웹 포털 환경에서 시뮬레이션 실행 환경을 제공한다. 본 연구의 목적은 현재 사용자에게 제공되고 있는 계산과학 공학 시뮬레이션 및 해석 결과 분석 플랫폼인 EDSION 시스템에 통합적인 유저 인터페이스를 제공하기 위한 워크벤치 기반 실시간 동적 서비스 설계 및 구축에 있다. 또한 로컬에서 사용하는 계산과학공학 시뮬레이션 소프트웨어 환경과 유사한 사용자 유저 인터페이스를 가지며 다양한 해석기와 전처리기, 해석 시뮬레이션 소프트웨어 등의 동적인 웹 환경을 구성할 수 있는 워크벤치 기반 사용자 시뮬레이션 서비스 환경 구성에 대해 고안하였다. 이러한 웹 서비스를 제공하기 위해 사용자에게 필요한 서비스를 포틀릿 단위로 구성하였으며, 그 결과로 워크벤치를 이용한 시뮬레이션 서비스를 구축하였다.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제14권8호
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• pp.3437-3456
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• 2020

The computational science and engineering field, which combines basic science and computing technology, has emerged as a third scientific methodology, following theories and experiments. This study aimed to identify factors and relationships that affect the continued use of the computational science and engineering (CSE) platform for its successful operation, utilization, and diffusion. To that end, the quality factors of the platform were derived by combining the information system success model and the technology acceptance model. These factors affected user satisfaction and intention to reuse through users' perceived usefulness and perceived ease of use of the platform. An empirical analysis was conducted through a questionnaire survey of 373 users of the EDISON platform, a representative CSE platform in Korea. The results revealed that all quality factors have a positive influence on perceived usefulness and perceived ease of use. Specifically, information quality has a significant influence on perceived ease of use, and system quality has a significant influence on perceived usefulness. Perceived ease of use has a greater impact on user satisfaction than perceived usefulness, and satisfaction affects intention to reuse. The results can contribute to the development of CSE platforms and the development strategy to expand the number of users.

• 한국정보처리학회:학술대회논문집
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• 한국정보처리학회 2018년도 춘계학술발표대회
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• pp.202-204
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• 2018

2018년 현재 한국과학기술정보연구원(KISTI)은 계산과학공학 플랫폼 기반으로 온라인 시뮬레이션이 가능한 EDISON(EDucation-research Integration through Simulation On the Net) 서비스를 제공하고 있다. 해당 플랫폼 서비스는 7개 전문분야(전산의학, 전산설계, 전산열유체, 구조동역학, 계산화학, 나노물리, 도시환경)의 학생 및 연구자들이 학습 및 시뮬레이션을 실행하고 결과를 활용할 수 있도록 지원하고 있다. 하지만 EDISON 플랫폼은 시뮬레이션 서비스에 초점을 맞춰 개발과 서비스를 제공했기 때문에 국내외 MOOC(Massive Open Online Course) 서비스들에 비해 아직 교육 콘텐츠가 부족하다. 그리하여 본 논문에서는 계산과학공학 플랫폼에 교육 콘텐츠를 체계적으로 제공하기 위한 커리큘럼 서비스를 설계 및 제안하였다.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제14권2호
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• pp.889-906
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• 2020

Analysis of multi-physics systems and the visualization of simulation data are crucial and difficult in computational science and engineering. In Korea, Korea Institute of Science and Technology Information KISTI developed EDISON, a web-based computational science simulation platform, and it is now the ninth year since the service started. Hitherto, the EDISON platform has focused on providing a robust simulation environment and various computational science analysis tools. However, owing to the increasing issues in collaborative research, data format standardization has become more important. In addition, as the visualization of simulation data becomes more important for users to understand, the necessity of analyzing input / output data information for each software is increased. Therefore, it is necessary to organize the data format and metadata for the representative software provided by EDISON. In this paper, we analyzed computational fluid dynamics (CFD) and computational structural dynamics (CSD) simulation software in the field of mechanical engineering where several physical phenomena (fluids, solids, etc.) are complex. Additionally, in order to visualize various simulation result data, we used existing web visualization tools developed by third parties. In conclusion, based on the analysis of these data formats, it is possible to provide a foundation of multi-physics and a web-based visualization environment, which will enable users to focus on simulation more conveniently.

• EDISON SW 활용 경진대회 논문집
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• 제6회(2017년)
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• pp.625-627
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• 2017

Cardiovascular disease is the leading cause of death in America [1]. This kind of situation leads researcher to find out how to analyze the disease without using a living human heart. Computer simulation is the solution. Based on the existed clinical data and mathematical formulas from the journals, we can simulate a human heart activity using a computer. Moreover, we can also use the existed biological data in our simulation program, such as CellML (Cell Markup Language) [2].

• EDISON SW 활용 경진대회 논문집
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• 제3회(2014년)
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• pp.442-445
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• 2014

In this work, we studied the interactions of the complexes of a DNA base inserted between graphene layers through density functional theory (DFT) calculations. We find that there exists the negligible energy barrier as well as robust and distinguishable electronic fingerprints during the translocation of the DNA bases. Our result shows that the bilayer graphene can be a possible candidate for the future-generation of DNA sequencing device platform.

• EDISON SW 활용 경진대회 논문집
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• 제6회(2017년)
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• pp.290-303
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• 2017

This paper aims to build a drone platform based on an optimum design of its single arm. We assumed its single arm as a cantilevered beam with a tip mass. Based on the numerical optimization theory, we conducted validation and optimization of a new design by comparing the results with the similar ones obtained by ANSYS. Finally, this design is reflected in the control simulation, and the requirement of an optimum structural design considering the resonance situation is demonstrated.

• 공학교육연구
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• 제21권6호
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• pp.3-12
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• 2018

The importance of software in the engineering field is increasing day by day, so the utilization and understanding of the simulation software in the engineering design stage has become the core competence of the engineer. This study presents a new software education method for multiple systems in the field of mechanical engineering using a workflow execution environment as a sub-module of a computational platform (called EDISON platform) that can incorporate in-house software tools developed by many simulation tool developers. It can execute not only individual software tools such as fluid flow, structure, optimal design, but also conduct connective executions of multiple software tools. Based on this simulation environment, a methodology was proposed that can be applied to convergence types of engineering educations. By properly using this methodology, it is expected that beginning engineers could encourage their specialties understanding the big pictures of the analysis processes.

• 한국정보처리학회:학술대회논문집
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• 한국정보처리학회 2018년도 춘계학술발표대회
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• pp.194-197
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• 2018

EDISON 웹 포털을 기준으로 경진대회 시스템을 구축하기 위해서는 다양한 전문분야의 역할의 분담이 필요하다. 또한 사용자의 팀 구성, 평가 반영 결과의 가시화 등의 구체적인 서비스 분할과 사용자에게 부여된 권한에 따른 서비스 차별화가 필요하다. 따라서 본 논문에서는 경진대회를 진행함에 있어 다양한 사용자의 권한에 기반하여 경진대회 서비스를 구축하였다. 또한 현재 서비스를 구축하고 경진대회를 진행하였으며, 그 결과 각 사용자의 권한에 따른 서비스를 분할하여 제공하였다.