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김광우(K. W. Kim),최낙삼(N. S. Choi) 대한기계학회 2001 대한기계학회 춘추학술대회 Vol.2001 No.8
A double cantilever sandwich-beam method for evaluating the frequency dependence of dynamic characteristics of rubbers has been studied. A finite element simulation in combination with the sine-sweep test was used for the flexural vibration analysis of the beam specimen with an inserted rubber layer. Quadratic relationships of dynamic elastic modulus and material loss factor of rubbers with frequency were obtained employing the least square error method.