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장영기(Jang, Young-Ki),김재익(Kim, Jae-Ik),김규태(Kim, Kyu-Tae),박남규(Park, Nam-Gyu) 한국소음진동공학회 2005 한국소음진동공학회 논문집 Vol.15 No.11
The dynamic contact model of a beam that contacts to a rigid wall in a reactor core was studied. The gap between the beam and contact wall results in dynamic contact accompanying inequality constraints. The inequality constraints can be relieved to an equality constraint problem by introducing a convex Penalty function. In this work, a beam with contact condition is formulated using quasi-convex penalty function and numerically solved. General coordinate solution is adopted to raise computational efficiency. Also nonlinearity is examined In the beam contacting to a rigid wall.