• 제목/요약/키워드: complex Young???smodulus

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복합단면 감쇠보의 강제진동해석 (Forced Vibration Analysis of Damped Composite Beam)

  • 원성규;정의봉;배수룡
    • 한국소음진동공학회:학술대회논문집
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    • 한국소음진동공학회 2006년도 춘계학술대회논문집
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    • pp.411-414
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    • 2006
  • In this paper, the forced vibration of damped composite beam with arbitrary section was analyzed. The damping material was assumed to have either complex shear modulus or complex Young???smodulus. Damped composite beam could be modeled using beam elements with less D.O.F. rather than solid elements. Finite element method for these methods was formulated and programmed using complex values. The results of frequency responses revealed good agreement with those of NASTRAN in several beam structures.

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