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전산생체역학 기반 하직근 비대 갑상선안병증 환자의 하직근 거동 모사
정병철(Byeong-Cheol Jeong),박정열(Jungyul Park),이치승(Chi-Seung Lee),유동만(Dongman Ryu) 대한기계학회 2021 大韓機械學會論文集B Vol.45 No.8
본 연구에서는 갑상선안병증 환자의 안구 돌출에 대한 주요 원인 중 하나인 하직근 비대 현상을 모사할 수 있는 전산해석기법을 제공하고, 전산해석 결과로부터 최대응력지점들을 도출함과 동시에 임상적 수술 위치들과의 비교 분석을 수행하였다. 특히, 하직근의 비대 현상을 모사하기 위하여 하직근에 가해지는 하중 값을 두 종류로 구분하고, 단일하중 및 복합하중 조건에 대한 시리즈 시뮬레이션을 수행하였다. 그 결과, 하중 조건에 따른 하직근의 조직 거동 및 안구의 구조 거동을 파악하고, 하직근 비대모사에서 필요한 하중 조건들을 제시하였다. 또한, 도출된 최대응력지점과 임상적 수술 위치들과 비교분석을 통하여 수술 위치 및 범위 선정 단계에서 고려되어야 할 부분을 제공하였다. In this study, a technique for the computational simulation of hypertrophy of the inferior rectus muscle, which is one of the main causes of proptosis in patients with thyroid eye disease, was proposed, and the locations with the estimated maximum stress from the computational simulation results were examined and compared with the clinical and surgical locations. A series of simulations of hypertrophy of the inferior rectus muscle was performed using single and combined loads. The behavior of the inferior rectus muscle, the eye rotation, and proptosis according to the loading condition were examined, and optimal loading conditions have been suggested for the simulation of hypertrophy of the inferior rectus muscle. In addition, the supplementary data to be considered during the selection of the surgical location and range have been provided.
정병철(Jeong, Byeong-cheol) 국어교육학회 2017 국어교육연구 Vol.63 No.-
A paradigm shift occurs when we encounter anomalies that cannot be explained by an existing paradigm, and the change of Linguistic paradigm shift is accompanied by the change of belief system related with it. Structuralism and Generativism can be lumped into one paradigm, based on that both of them have been sustained by the assumption that language and mind have machine-like structures and systems of interconnected separated modules. The paradigm of established modern morphological theory is characterized by MACHINE metaphor, and assumes that every word has the structure of fixed Immediate Constituents and that every morphological categories have clear boundaries. This paper argues that we need to replace the MACHINE paradigm with a new one that emphasizes continuos links between language, cognition, and body. According to Kuhn, there are anomalies for all paradigms that are brushed away as acceptable levels of error, or simply ignored and not dealt with. This paper will focus on some fundamental anomalies in the morphological descriptions of School Grammar that have been ignored or not dealt with in the MACHINE paradigm of School Grammar, but can be detected from the view of Cognitive Linguistics, and illustrate how the alternative models of a new paradigm can be used to solve these old problems.