Structural Optimization of Damping Components of Viscoelastic Suspension Based on Preventing Failure Caused by Excessive Stress

The working conditions of construction machinery are frequently harsh. To prevent excessive impact from causing mechanical failure, the performance of viscoelastic suspensions typically requires improvement. However, the elevated performance also results in increased stress, which can drastically re...

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Bibliographic Details
Published inJournal of failure analysis and prevention Vol. 23; no. 3; pp. 1313 - 1325
Main Authors Zhang, Xin, Xiao, Zengliang, Ni, Jinting, Li, Zhanlong
Format Journal Article
LanguageEnglish
Published Materials Park Springer Nature B.V 01.06.2023
Subjects
Bulldozers
Construction equipment
Damping
Energy consumption
Failure analysis
Finite element method
Longevity
Optimization
Vibration control
Viscoelasticity
Working conditions
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Summary:The working conditions of construction machinery are frequently harsh. To prevent excessive impact from causing mechanical failure, the performance of viscoelastic suspensions typically requires improvement. However, the elevated performance also results in increased stress, which can drastically reduce the longevity and durability of the damping structural components of the viscoelastic damper. To achieve the dual objectives of improving vibration reduction performance and ensuring longevity, an ANSYS Parametric Design Language (APDL) finite element model of the damping components is created and optimized. The damping component's rubber block radius, side shape angle, and bottom height are design variables, and the suspension's largest energy consumption under periodic load is an objective function. The superposition of zero-order and first-order optimization methods is chosen as the basic tool for structural optimization. The results show that the characteristic parameters of damping performance of the optimized damping components are significantly improved, and the corresponding stress is within the design index, which can effectively prevent premature failure. ANSYS is used to perform strength analysis on optimized results, and it indicates that its strength can meet the usage requirements of the bulldozer under various working conditions.
ISSN:1547-7029
1864-1245
DOI:10.1007/s11668-023-01683-y