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최재훈,박수준,Choi, J.H.,Park, S.J. 한국전자통신연구원 2021 전자통신동향분석 Vol.36 No.1
Post COVID-19, the medical legacy system will be transformed for utilizing medical resources efficiently, minimizing medical service imbalance, activating remote medical care, and strengthening private-public medical cooperation. This can be realized by achieving an entire medical paradigm shift and not simply via the application of advanced technologies such as AI. We propose a medical system configuration named "Medical AI Hub" that can realize the shift of the existing paradigm. The development stage of this configuration is categorized into "AI Cooperation Hospital," "AI Base Hospital," and "AI Hub Hospital." In the "AI Hub Hospital" stage, the medical intelligence in charge of individual patients cooperates and communicates autonomously with various medical intelligences, thereby achieving synchronous evolution. Thus, this medical intelligence supports doctors in optimally treating patients. The core technologies required during configuration development and their current R&D trends are described in this paper. The realization of the central configuration of medical AI through the development of these core technologies will induce a paradigm shift in the new medical system by innovating all medical fields with influences at the individual, society, industry, and public levels and by making the existing medical system more efficient and intelligent.
불연속 갤거킨 기버을 이용한 비정렬 격자계 기반의 고차정확도 점성유동 해석기법 개발
최재훈(J. H. Choi),이희동(H. D. Lee),권오준(O. J. Kwon) 한국전산유체공학회 2010 한국전산유체공학회 학술대회논문집 Vol.2010 No.11
A high-order discontinuous Galerkin method for the two-dimensional compressible Navier-Stokes equations was developed on unstructured triangular meshes. The BR2 method was adopted for DG space discretization and explicit TVD Runge-Kutta method and implicit Euler backward method was used for time integration. Numerical tests were conducted to validate the flow solver for the Poiseuille folw, the flat plate flow, and the laminar flow around a circular cylinder.
3차원 천이 유동 해석을 위한 Correlation 기반 천이모델에 관한 연구
최재훈(J.H. Choi),권오준(O.J. Kwon) 한국전산유체공학회 2013 한국전산유체공학회 학술대회논문집 Vol.2013 No.5
In the present study, the correlation-based transition model was developed for simulating the three-dimensional transition phenomena. To predict three-dimensional transition due to crossflow instabilities, the correlation-basedγ-Re<SUB>θt</SUB> transition transport model was extended using the three-dimensional boundary layer theory. The new correlation-based transition model was implemented in a three-dimensional incompressible flow solver based on unstructured meshes. Validations of the transition model were conducted for an infinite swept wing configuration and a 6:1 prolate spheroid. It was found that the new transition model work well for capturing of the three-dimensional transition.