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[진동 소음부문] 다중 전달함수합성법을 이용한 엔진마운트 시스템의 설계민감도 해석
이두호(Dooho Lee),황우석(Wooseok Hwang) 한국자동차공학회 2001 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2001 No.11_2
Analyzing acoustic-structural systems such as automobiles and aircraft, the FRF-based substructuring (FBS) method is one of the most powerful tooks. In this paper a general procedure for the parametric sensitivity analysis of vibro-acoustic problems has been presented using the multi-domain FRF-based substructuring formulation. For an acoustic-structural system sub-structured by multiple domains, the substructuring formulation gives the reaction forces on the interface boundaries, which are differentiated directly in order to obtain tile design sensitivity fomulation of the reaction forces with respect to the design vector. As a practical application, the proposed method is applied to an engine mount system of passenger car. Sensitivity results show good agreement with those of the finite difference method.
지역사회 중독관리서비스 현황 : 중독관리통합지원센터를 중심으로
전교연(KyoYeon Jun),이루리(Luri Lee),박우리(Woori Park),황우석(Wooseok Hwang),이용주(YongJoo Rhee),오홍석(Hong Seok Oh),김용진(Yong Jin Kim),이해국(Hae Kook Lee),노성원(Sungwon Roh) 한국중독정신의학회 2017 중독정신의학 Vol.21 No.2
Objectives : The number of patients withsubstanceuse disorders, gambling disorder, and Internet gaming disorder is estimated atabout 5 million. However, only 1-8 percent of them receive treatment. This study identified the current situation of the Community Addiction Management Centers (CAMC) in Korea, and suggested a way to improve addiction management. Methods : The research investigated the current status of CAMC and individual tasks. It reviewed the addiction management system of the Substance Abuse and Mental Health Administration (SAMHSA) in the United States. Results : The subjects consisted of 255 employees. In most centers, more than 95 % of registered subjects were patients with alcohol use disorder, whereas patients with drug use disorders were 16.9% in Gwangju/Jeonnam. Patientswith gambling disorder were 10.9% in Jeonbuk, and 12.7% in Jeju. Large-scale centers with 8 or higher full time equivalent deal with addictions other than alcohol and have higher work efficiency. Conclusion : In order to improve the standard of addictionmanagement, a large-scale center is advantageous, and each center should set its task goal considering the size and regional characteristics of the center. It is necessary to establish a systematic liaison with local agencies and secure funds for preventing the breakaway of experienced workforce.