Static and Dynamic Analysis of the Factors Affecting the Fatigue Life of Heavy Truck Chassis Structure - Inpressco
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Static and Dynamic Analysis of the Factors Affecting the Fatigue Life of Heavy Truck Chassis Structure


Author : Seyed Hadi Bayat and Mohammad Zehsaz

Pages : 2015-2024
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Abstract

The study aim is static and dynamic analyze of the parameters affecting the fatigue life of heavy truck chassis structure. A vehicle is made of two parts such as body and chassis. The chassis structure (or chassis frame) has been considered as a base that various components of the vehicle are built based on it and is a combination of longitudinal and transverse elements. In this study, at first a 3D model of heavy truck chassis structure is presented numerically. So, both static and dynamic loads applied on chassis structure consisted of the chassis structures weight and road roughness is calculated and the model is placed under specific boundary conditions and the effect of above loads. The findings of the study indicates that as passing over road roughness with high height or depth, the chassis structure will have a limited life and it has been found that the critical case occurs when only the rear wheels are passing over them.

Keywords: Heavy truck chassis structure, stress, finite element method, fatigue life, road roughness

Article published in International Journal of Current Engineering and Technology, Vol.7, No.6 (Nov/Dec 2017)

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