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건물에너지 관련 BIM 소프트웨어 간 객체정보 호환성에 관한 유형 분석
홍승훈(Hong Seung-Hun),노상태(No Sang-Tae) 한국건축친환경설비학회 2012 한국건축친환경설비학회 학술발표대회 논문집 Vol.2012 No.3
The objective of this study is to investigate the file exchange compatibility of BIM based building energy simulation tools, especially focusing on various irregular building geometry shapes. As a base building modeling software, AUTOCAD Revit was selected and various building geometry shapes were created using Revit, such as curved and pitched walls, roofs, slabs with various air-conditioning zones. And these various shaped building zones were imported to ECOTECT, IES/VE and Openstudio for EnergyPlus, which are professional building energy simulation tools. Through this create-import process, the deformation of building shapes, change of zone volume, and compatibility to each simulation engine were investigated and analyzed.
Collagen 유발(誘發) 관절염(關節炎) 동물모델에 대(對)한 전침자극(電鍼刺戟)의 진통효과(鎭痛效果) 및 그 기전(機轉)에 관(關)한 연구(硏究)
백용현,홍승훈,양형인,박동석,최도영,Baek, Yong-hyeon,Hong, Seong-hun,Yang, Hyung-in,Park, Dong-suk,Choi, Do-young 대한침구의학회 2004 대한침구의학회지 Vol.21 No.2
Objectives : To investigate the analgesic effect and its cholinergic mechanism of electroacupuncture(EA) in the rat model of collagen-induced arthritis(CIA). Methods : Immunization of male Sprague-Dawley rats with bovine typeII (CII) collagen emulsified in Freund's incomplete adjuvant, followed by a booster injection 14 days later, leads to development of arthritis in more than 70% of rats by 21 days postinjection. After three weeks of first immunization, EA stimulation(2 Hz, 0.07 mA, 0.3 ms) was delivered into Jogsamni($ST_{36}$) for 30 minutes. Analgesic effect was evaluated by tail flick latency(TFL). We compared the analgesic effect of EA with TFLs between pretreatment of normal saline and pretreatment of Atropine (1 mg/kg, intraperitoneal) and Neostigmine ($100{\mu}g/kg$, intraperitoneal) in CIA. Results : 1. TFLs were gradually decreased in CIA as increasing severity of arthritis. 2. Jogsamni($ST_{36}$) EA stimulation in CIA increased TFLs and the effect lasted for 60 minutes. 3. Increased TFLs with Jogsamni($ST_{36}$) EA stimulation were inhibited with pretreatment of atropine in CIA 4. Increased TFLs with Jogsamni($ST_{36}$) EA stimulation did not show an obvious synergistic effect with pretreatment of neostigmine in CIA. Conclusions: Jogsamni($ST_{36}$) EA showed analgesic effects in CIA. The analgesic effects of Jogsamni($ST_{36}$) EA were inhibited by atropine pretreatment and combined application of Jogsamni(ST36) EA and neostigmine did not show an synergistic effect. These observations suggest that intrinsic muscarinic cholinergic pathways represent an important modulating system in pain perception of inflammatory pain in CIA It is suggested that, the active mechanism of analgesic effect in EA may involve the release of acetylcholine in the spinal cord.