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논문 상세정보

다자유도 비선형계의 불규칙 진동 해석

Random Vibration of Non-linear System with Multiple Degrees of Freedom


Vibration of a non-linear system with multiple degrees of freedom under random parametric excitations was evaluated by probabilistic method. The non-linear characteristic terms of system structure were quasi-linearized and excitation terms were remained as they were. An analytical method where the expectation values of square mean of error was minimized was used. The numerical results were compared with those obtained by Monte Carlo simulation. A linear congruential generator and Box-Muller method were used in Monte Carlo simulation. The comparison showed the results by probabilistic method agreed well with those by Monte Carlo simulation.

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참고문헌 (12)

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이 논문을 인용한 문헌 (2)

  1. 이신영, 2008. "비선형 불규칙 진동 보의 등가에너지법에 의한 선형화" 한국공작기계학회논문집 = Transactions of the Korean society of machine tool engineers, 17(1): 71~76 
  2. Lee, Sin-Young, Cai, Guoqiang 2009. "Quasi-linearization of non-linear systems under random vibration by probabilistic method" Journal of mechanical science and technology, 23(8): 2022~2029 

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