ALTI TEKERLEKLİ BİR TAŞITIN TİTREŞİM ANALİZİ


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Demir C.

Sigma Journal of Engineering and Natural Sciences , cilt.223, ss.129-143, 2004 (Hakemli Üniversite Dergisi)

  • Cilt numarası: 223 Konu: 3
  • Basım Tarihi: 2004
  • Dergi Adı: Sigma Journal of Engineering and Natural Sciences
  • Sayfa Sayıları: ss.129-143

Özet

Calculation of resonance frequencies of a six-wheeled vehicle has been propesed in this work by means of

computational and experimental methods. In modelling vehicle, elastic body and rigid body techniques were

used in computational methods. Therefore a three – dimensional finite element model was generated using

beam elements and shell elements. The components of the experiment vehicle such as gas tank, main engine

etc. have been modelled as lumped masses on original location at experiment vehicle. The other approach in

modelling of a vehicle is discrete mass model as rigid body. Tires were modelled as spring and dashpot

elements.

The excitation with an electrodynamic shaker driven by a sinusoidal signal were used to measure the

frequency response of the system(sine-sweept method). Vibration measurements were taken from several

places (driver seat location etc.) by B&K 2515 vibration analyser. The results obtained from experiment were

compared with the calculated ones and a good aggrement between these results were obtained. The vehicle

vibration on road was studied experimentally.The vibration level of vehicle was high on road. Wavelet

filtration was applied to the vibration measurements for defining the resource of vibration.