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장애물 회피에 페널티 보행 속도 알고리즘을 적용한 여객선 승객 탈출 시뮬레이션
박광필,하솔,조윤옥,이규열,Park, Kwang-Phil,Ha, Sol,Cho, Yoon-Ok,Lee, Kyu-Yeul 한국시뮬레이션학회 2010 한국시뮬레이션학회 논문지 Vol.19 No.4
In this paper, advanced evacuation analysis simulation on a passenger ship is performed. Velocity based model has been implemented and used to calculate the movement of the individual passengers under the evacuation situation. The age and gender of each passenger are considered as the factors of walking speed. Flocking algorithm is applied for the passenger's group behavior. Penalty walking velocity is introduced to avoid collision between the passengers and obstacles, and to prevent the position overlap among passengers. Application of flocking algorithm and penalty walking velocity to evacuation simulation is verified through implementation of the 11 test problems in IMO (International Maritime Organization) MSC (Maritime Safety Committee) Circulation 1238.
유한요소 붐 모델의 3차원 동적 거동을 고려한 리프팅 해석
박광필(Park, Kwang-Phil),차주환(Cha, Ju-Hwan),이규열(Lee, Kyu-Yeul) 한국소음진동공학회 2010 한국소음진동공학회 논문집 Vol.20 No.8
In this paper, the lifting analysis of a floating crane with a shipbuilding block is performed. Since floating cranes are operated in ocean waves, six degree-of-freedom motions are considered in the dynamic equations of motions of the floating crane and the block. The boom of the floating crane is considered as an elastic body in the analysis, and is modeled as three dimensional beam based on the finite element formulation. The hydrostatic and hydrodynamic forces by a regular wave are considered as external forces. By solving the equations of motions numerically, the dynamic responses of the floating crane and the block are simulated. The simulation results with different wave directions are compared and the conditions which cause maximum responses are discussed.