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가상현실(VR) 스포츠실 참여학생들의 수업재미, 수업만족, 교육효과 및 수업지속참여의 관계 연구
채수원(Chae, Soo-won),오경록(Oh, Kyung-rok) 한국사회체육학회 2022 한국사회체육학회지 Vol.- No.87
Purpose: The purpose of this study is to investigate the relationship among the factors of fun, satisfaction, educational effect, and the intention of participating in the class with elementary school students who had experienced physical education in VR sports classroom. Method: A total of 440 5th and 6th-grade students who visited two VR sports classroom installation schools in Seoul and Chungcheongbuk-do and received physical education classes were selected. A total of 423 subjects, excluding 17 questionnaires that were partially missing or double-written, responded with a self-administered questionnaire and the completed questionnaires were collected. The data were processed using the SPSS 21.0 program to perform exploratory factor analysis, reliability test, descriptive statistical analysis, one-way ANOVA, correlation analysis, and multiple regression analysis. Results: The autonomy, achievement and teacher attraction among the factors of class fun after the physical education class in VR sports class recognized by elementary school students had a significant effect on class satisfaction, and competence was rejected. In addition, class satisfaction had a significant effect on all educational effects such as cognitive, affective, and psychomotor effects, and cognitive and psychomotor effects had a positive effect on the intention of participating in class, but no affective effect. Conclusion: Therefore, it is necessary to supplement the competence of the class fun factor and to strengthen the cognitive and mental effects because the affective effect does not affect the participation in class continuation, and improves the problems of the affective effects.
채수원(Soo-Won Chae),정중환(Jung-Hwan Jeong) 한국자동차공학회 1997 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1997 No.11_2
A finite element modeling system for crash analysis of automobiles has been developed. The system. AutoPnP, is composed of a pre-processor and a post-processor, and is designed to be linked to AutoCrash. an explicit finite element analysis program developed for crash analysis. The entire system is composed of GUI and a mesh generating module and a post-processing module. As for surface mesh generation, both structured and unstructured quadrilateral shell elements can be constructed on 3D surfaces that involves planar, cylindrical. blending and B-spline surfaces, while for volume mesh generation hexahedral elements with sections of both uniform and nonuniform quadrilaterals can be constructed. Post-processing module includes XY-plotting and filtering, mesh display and deformed shape display.
인공고관절 골흡수로 인한 응력분포 변화의 2차원 유한요소 해석
최형연,채수원,김성곤,Choi, Hyung-Yeon,Chae, Soo-Won,Kim, Sung-Kon 대한의용생체공학회 1995 의공학회지 Vol.16 No.1
Clinically, proximal bone resorption in the femur is frequently seen postoperatively on the follow up XI-rays after total hip replacement (THR). We developed the finite element model of cementless THR. The model is two dimensional side plate model, whereby the three dimensional structural integrity of the bone can be accounted for by a separate two dimensional mesh, a side plate. The subject of this article is the development and application of this two dimensional side plate FEM to study the reverse effect of the various degree of bone resorption of femur after THR. The results of this study indicates that 1) two dimensional side plate model is good and simple alternative to complex three dimensional model and 2) the severity of the proximal bone resorption has the effect of more increasing stress on the cortex at the level of femoral stem tip.