FEA and Spectral Analysis for Viscoelastic Structures in Frequency and Time Domain

Research Area: Volume 5,Issue 1, Jan. 2016 Year: 2016
Type of Publication: Article Keywords: FEA, Dynamic, Viscoelastic, Spectral Analysis
  • Zhengui Zhang
  • Haiyan H Zhang
Journal: IJEIR Volume: 5
Number: 1 Pages: 5-15
Month: January
Rubber bushing installed on the suspension system of vehicles plays a critical role of vibration isolator and interface to transmitting energy. A finite element method is developed to analyze the dynamic response of rubber bushing in the frequency domain. The time domain response of viscoelastic structure is realized simply by utilizing the spectral analysis. With this approach, the creep of viscoelastic models is evaluated and the standard linear model of viscoelastic material is employed in this article to represent the constitutive relationship of rubber. The FEA frequency scan of rubber bushing is verified through the experimental modal testing.

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