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산업환경 변화에 따른 미래형 산업단지의 공원녹지 계획방향에 관한 연구
이은엽,이현주,김태균,최대식,송영일,Lee, Eun-yeob,Lee, Hyeon-Ju,Kim, Tae-Gun,Choi, Dae-Sik,Song, Young-il 한국환경과학회 2021 한국환경과학회지 Vol.30 No.2
Due to changes such as those stemming from the onset of the fourth industrial revolution, it is expected that industrial complexes will transform from being spacious structures into smaller, integrated complexes. Green parks, which are also a type of infrastructure within industrial complexes, also require planned direction suited to the changing environment. The planned directions of green parks in new industrial complexes were examined and surveys were conducted on industrial complex workers. Preferred functional arrangement, importance, and satisfaction levels of green ratios, preference of compound facilities linked to parks, appropriate dimensional greening methods were all surveyed across 1,035 businesses. Results of the survey exhibited that there was high awareness on the importance of building green areas, but it was found that current greenery levels were insufficient. There was a high rate of responses indicated that dimensional greening is required in building-type industrial spaces, and preferences for rooftop greenery, stair-type greenery, and atrium greenery were also high. There were many opinions that it is necessary to integrate cultural facilities, exhibition and educational facilities, commercial facilities, parking lots in parks. Furthermore, it was found that it is necessary to provide pathways for bikes and pedestrians, rather than those for vehicles, and to connect them with the green parks. This study stopped short of exploring the directions for which green parks should aim in new industrial complexes with changes in the industrial environment. In the future, more concrete plans on green park planning techniques according to the spatial characteristics and structures of new industrial complexes will be necessary.
이은엽(Eun-Yup Lee),이영신(Young-Shin Lee),최영진(Young-Jin Choi),이제준(Je-Jun Lee),박영문(Young-Moon Park) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.5
In this study, the safety of the rack structure was evaluated through seismic analysis considering fluid-structure interaction. The rack structure was sunk under water. So, rack structure was influenced by water. The fluid-structure interaction can be specified in terms of hydrodynamic effect which is defined as added mass per unit length in ANSYS 10.0. Modal analysis and seismic analysis using the Floor Response Spectrum(FRS) was carried out under Operating Basis Earthquake(OBE) and Safe Shutdown Earthquake(SSE) conditions. The fluid-structure interaction effect and safety of rack structure were investigated using ANSYS10.0.
태권도 옆차기 동작의 동력학해석과 충격해석에 관한 연구
이중현(Jung-Hyun Lee),이영신(Young-Shin Lee),한규현(Kyu-Hyun Han),이현승(Hyun-Seung Lee),이은엽(Eun-Yup Lee) 대한기계학회 2008 大韓機械學會論文集A Vol.32 No.1
Taekwondo is a martial art form and sport that uses the hands and foot for attack and defense. Taekwondo basic motion is composed of the breaking, competition and poomsea motion. In the side kick among the competition motion, the impact force is larger than other kinds of kicks. The side kick with the front foot can be made in two steps. In the first step, the front foot is stretched forward from back stance free-fighting position. For the second step, the rear foot is followed simultaneously. Then, the kick is executed while entire body weight rests on the rear foot. In this paper, impact analysis of the human model for hitting posture is carried out. The ADAMS/LifeMOD is used in hitting modeling and simulation. The simulation model creates the human model to hit the opponent. As the results, the dynamic analysis of human muscle were presented.
식생기반형 LID 시설의 식재식물 선정을 위한 내침수성 비교
이은엽 ( Eun Yeob Lee ),현경학 ( Kyoung Hak Hyun ),허진성 ( Jin Sung Hou ),박미옥 ( Mi Ok Park ),구본학 ( Bon Hak Koo ) 한국환경영향평가학회 2014 환경영향평가 Vol.23 No.6
In this study, 10 species of plants with high adaptability to aquatic environments were compared for selecting plant species suitable for vegetation-based low impact development (LID) facilities. The flooding tolerances of the plants were tested by analyzing their growth status under halfimmersion and full-immersion conditions, with varying durations of immersion. In decreasing order of flooding tolerance, the comparative analysis of plant height and leaf width is as follows: Hemerocallis fulva, Juncus effusus var. decipiens, Iris pseudoacorus, Phragmites communis TRIN, Typha orientalis C.Presl, Aster koraiensis Nakai, Iris sanguinea, Equisetum hyemale, Acorus calamus. Specifically, Hemerocallis fulva, Juncus effusus var. decipiens. Iris pseudoacorus showed excellent growth status under both immersion conditions. Iris sanguinea and Equisetum hyemale. withered to death by around day 27 of the experiment, but their flooding tolerance was confirmed to be relatively high. Iris pseudoacoru showed flooding tolerance under the half-immersion condition unlike under the full-immersion condition, when compared on day 21 of the experiment. Aster koraiensis Nakai also thrived better under the halfimmersion condition, proving to be a highly immersion-resistant species. On the basis of the results of this experiment, Hemerocallis fulva, Juncus effusus var. decipiens and Iris pseudoacorus, Typha orientalis C.Presl were selected as species suitable for vegetation-based LID facilities.