대한기계학회논문집A (Transactions of the Korean Society of Mechanical Engineers A)

  • 제30권2호
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  • Pages.171-178
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  • 2006
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  • 1226-4873(pISSN)
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  • 2288-5226(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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원형 외팔보의 일대일 공진에서의 비평면 비선형 진동현상

Non-Planar Non-Linear Vibration Phenomenon on the One to One Resonance of the Circular Cantilever Beam

  • 발행 : 2006.02.01
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초록

Experimental and theoretical study of the non-planar response motions of a circular cantilever beam subject to base harmonic excitation has been presented in this paper work. Theoretical research is conducted using two non-linear coupled integral-differential equations of motion. These equations contain cubic linearities due do curvature term and inertial term. A combination of the Galerkin procedure and the method of multiple scales are used to construct a first-order uniform expansion for the case of one-to-one resonance. The results show that the non-linear geometric terms are very important for the low-frequency modes of the first and second mode. The non-linear inertia terms are also important for the high-frequency modes. We present the quantitative and qualitative results for non-planar motions of the dynamic behavior.

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참고문헌

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