• 제목/요약/키워드: Cosserat 이론

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계수려진을 받는 단순지지 보의 비선형 진동특성 (Nonlinear Analysis of Simply supported Elastic Beams under Parametric Excitation)

  • 손인수;;윤한익
    • 한국소음진동공학회:학술대회논문집
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    • 한국소음진동공학회 2006년도 추계학술대회논문집
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    • pp.712-715
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    • 2006
  • This paper presents the nonlinear characteristics of the parametric resonance of a simply supported beam which is inextensible beam. For the beam model, the order-three expanded equation of motion has been determined in a form amenable to a perturbation treatment. The equation of motion is derived by a special Cosserat theory. The method of multiple scales is used to determine the equations that describe to the first-order modulation of the amplitude of simply supported beam. The stability and the bifurcation points of the system are investigated applying the frequency response function.

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