chassis component
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2017 ◽  
Vol 95 ◽  
pp. 03008
Author(s):  
Sumedh Kousadikar ◽  
Mangesh Yadav ◽  
Dattaprasad Lomate ◽  
Manoj Ukhande

2010 ◽  
Vol 38 (2) ◽  
pp. 155-180 ◽  
Author(s):  
Thomas Hüsemann ◽  
Mark Wöhrmann

Abstract Computer aided engineering tools play an important role in today’s vehicle development process. Today, overall vehicle dynamics analysis and chassis component fatigue resistance investigations can be carried out without the need for existing prototype hardware versions of the corresponding vehicle. An accurate tire model is a key element in precise modeling of the vehicle and its components. All forces acting on the vehicle (except for aerodynamic forces) are transferred via the tires. Therefore, the tire and its modeled characteristics have a major influence on the results of vehicle dynamics analysis. At present, many tire simulation models are available for application in vehicle dynamics analysis. To obtain the best possible performance from these models, a number of different tire measurements are required to support the tire model parameter identification process. This paper presents a review of different tire simulation models and their required tire measurements. Depending on the test rigs used and the measurement procedures applied, the tire measurement results may be somewhat different. What is the impact of these differences on the tire modeling performance and the vehicle dynamics analysis output? This paper gives an answer.


Author(s):  
Kee Joo Kim ◽  
Joo Sung Kim ◽  
Jae Wook Choi ◽  
Hyung Jun Ju ◽  
Lee Yong Heon ◽  
...  

2007 ◽  
Vol 26-28 ◽  
pp. 1227-1230
Author(s):  
Jung Kyu Kim ◽  
Cheon Soo Jang ◽  
Chul Su Kim

The fatigue life in arc welded parts of the chassis component of SAPH45 steel in automobile is affected by various defects and residual stress due to welding. Moreover, it is hard to measure directly the crack initiation length of the welded part in chassis component due to the complicated geometric shape. Therefore, to assure the safety of vehicles, it is necessary to evaluate the crack initiation life by using a non-destructive technique (NDT). In this study, the acoustic emission measurement was adapted to monitor the crack initiation of the welded part during the fatigue test. The crack initiation length was verified by a computerized image processing system under stroboscopic light illumination. Besides, to consider the variation of fatigue data, the crack initiation life was statistically evaluated.


2007 ◽  
Vol 26-28 ◽  
pp. 943-946
Author(s):  
Kee Joo Kim ◽  
Joo Sung Kim ◽  
Jae Wook Choi ◽  
Hyung Jun Ju ◽  
Lee Yong Heon ◽  
...  

Vibration in a driveline is presented in this paper. In the experiment, the rear subframe and propeller shafts and axle were composed and mounted with rubber each other. For applying the vibration input instead of the torsional vibration effect of an engine, the shaker was taken. In particular, torsional vibration due to fluctuating forced vibration excitation across the joint between driveline and rear subframe was carefully examined. Accordingly, the joint response was checked from experiments and the FE-simulation using FRF (frequency response function) analysis was performed. All test results were signal processed and validated against numerical simulations. In present study, the new test bench for measuring the vibration signal and simulating the vehicle chassis system was proposed. The modal value and the mode shape of components were analyzed using the model to identify the important components affecting driveline noise and vibration. It could be reached that the simplified test bench could be well established and be used for design guide and development of the vehicle chassis components.


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