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Finite Element Analysis of the Control Arm beneath Vehicle’s Suspension
HE Xiaojing;SHANGGUAN Wen-bin
2012, 32 (
3
): 125-128. DOI:
10.3969/j.issn.1006-1355.2012.03.029
Abstract
（
2111
）
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The finite element model of lower control arm beneath vehicle’s suspension was established. In static analysis of the model, inertia relief principle was introduced to eliminate the stress concentration effect of the constraint reaction force on the structural strength of the control arm. In this method, the acceleration due to the unbalanced loads was calculated. The static stiffness properties of the control arm were analyzed. The breaking load and buckling load of the suspension control arm under the conditions of tension and compression were calculated respectively. The results demonstrate that the static stiffness and strength characteristics of the control arm can meet the design requirements.
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Modeling and Parameters Optimization of n -Grade Tuned Mass Dampers
DAI Lin;SHANGGUAN Wen-bin;ZHANG Shao-fei
2012, 32 (
3
): 45-48. DOI:
10.3969/j.issn.1006-1355.2012.03.011
Abstract
（
1483
）
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A universal formula for optimal control performance of n-grade tuned mass dampers is established. At first, two optimization methods, including fixed point method and numerical method, were described. Then, a general-purpose optimization program was developed using MATLAB code. The optimized parameters of different type of tuned mass dampers were calculated using the program for a main system of single degree of freedom. The results indicate that the optimized tuned mass dampers can suppress the vibration of the main system effectively. The optimal methods and some conclusions presented in this paper are useful for tuned mass damper design.
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Influence of Assembly State of Powertrain Mounting System on Vehicle’s Vibration
HUANG Zun-guo;FU Ji-hong;LI Hai-xiong;ZENG Ling-xian;SHANGGUAN Wen-Bin
2012, 32 (
2
): 75-78. DOI:
10.3969/j.issn.1006-1355-2012.02.018
Abstract
（
1636
）
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The influence of assembly state of powertrain mounting system on the vehicle vibration was studied. Especially, the affect of the local stiffness of the frame in the mounting system was analyzed and discussed. Analysis of an example indicated that this influence could be greatly reduced through reasonable design.
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Static Stiffness Calculation and Experimental Test of an Engine Mount for a Commercial Vehicle
ZHANG Wei;SHANGGUAN Wen-bin
2012, 32 (
1
): 72-76. DOI:
10.3969/j.issn.1006-1355-2012.01.017
Abstract
（
2068
）
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Three methods, including empirical formulas, finite element analysis and experimental test, are employed for studying a composite rubber mount of a commercial vehicle’s engine. Its three-dimensional static stiffness is obtained. Then relative errors of the three methods are analyzed and compared one another. The possible sources of the errors are given. However，the relative errors are found to be within the allowance (<15%) in engineering practice. Thus, as to this specific engine mount, the aforementioned methods for the three-dimensional static stiffness are acceptable and can shorten the cycle of product development.
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