Three constitutive models which capture the amplitude and frequency dependency of filled elastomers are implemented for the conventional engine mounts of automotive powertrain mounting system (PMS). Firstly, a multibody dynamic model of a light duty truck is proposed, which includes 6 degrees of freedom (DOFs) for the PMS. Secondly, Three constitutive models for filled elastomers are implemented for the engine mounts of the PMS, including: (1) Model 1: Kelvin-Voigt model; (2) Model 2: Fractional derivative Kelvin-Voigt model combined with Berg’s friction; (3) Model 3: Generalized elastic viscoelastic elastoplastic model. The nonlinear behaviors of dynamic stiffness and damping of the mounts are investigated. Thirdly, simulations of engine vibration dynamics are presented and compared with these models and the differences between common Kelvin-Voigt model and other constitutive models are observed and analyzed.
Mount Model Dependent on Amplitude and Frequency for Automotive Powertrain Mounting System
Sae Technical Papers
WCX™ 17: SAE World Congress Experience ; 2017
2017-03-28
Conference paper
English
Mount Model Dependent on Amplitude and Frequency for Automotive Powertrain Mounting System
British Library Conference Proceedings | 2017
|Automotive Powertrain Mounting System Design Optimization
British Library Conference Proceedings | 2008
|Automotive Powertrain Mounting System Design Optimization
SAE Technical Papers | 2008
|Automotive powertrain mounting system design optimization
Automotive engineering | 2008
|