دوره 14، شماره 3 - ( 6-1403 )
جلد 14 شماره 3 صفحات 4448-4439 |
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Marzbanrad J, Taghizade Z, yaghoobian M. Torsional and bending stiffness and modal analysis of a bus structure. ASE 2024; 14 (3) :4439-4448
URL: http://www.iust.ac.ir/ijae/article-1-680-fa.html
URL: http://www.iust.ac.ir/ijae/article-1-680-fa.html
Torsional and bending stiffness and modal analysis of a bus structure. Automotive Science and Engineering. 1403; 14 (3) :4439-4448
چکیده: (2092 مشاهده)
A bus experiences various loads during operation, stressing its structural components and causing noise, vibrations, and strains. To withstand these stresses, components must have sufficient stiffness, strength, and fatigue properties. In this study, the CAD model of a bus was created in SolidWorks and meshed using HyperMesh. A modal analysis conducted in HyperMesh verified the model's integrity, welding joint accuracy, and suitability for further analysis. A HyperMesh solver performed bending and torsional analyses. The torsional and bending stiffness of the bus body was calculated based on these results. Previous research primarily focused on stress and displacement, neglecting torsional and bending stiffness analysis for three-axle buses. This study addresses this gap, providing industry engineers with insights into acceptable torsional and bending stiffness for intercity buses. This knowledge supports the design of buses with adequate braking and turning capabilities. Additionally, the research contributes to bus body optimization efforts. In subsequent studies, scientists can experiment with various materials and models of various bus structure beam profiles.
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