双弓形非对称少片钢板弹簧的非线性有限元分析
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摘要
建立了一种双弓形两片式非对称的变截面钢板弹簧的模型。考虑钢板弹簧在实际工作过程中,空、满载弧高变形量大,以及各簧片之间的摩擦和接触等因素,利用有限元软件HyperMesh和ABAQUS联合对这种钢板弹簧的静态特性进行了非线性分析。仿真结果与实际的刚度试验的结果相比误差为4.18%,从而验证了该模型的可信度。在此可信度的基础上,分析计算得出了片间不同摩擦力对该钢板弹簧刚度以及迟滞性的影响,结果表明:摩擦力的增大可以增大钢板弹簧总成的平均刚度,减小钢板弹簧的迟滞性。
A mathematical model of double-arched,two-piece,asymmetrical steel leaf spring with variable-section is established in this paper. With considering the large deformation of the arc under no load and full load,inter-chip friction and contact between the leaves when the leaf spring is working,the finite element software HyperMesh and ABAQUS are used together to make a nonlinear finite element analysis of the static characteristics of this kind of leaf spring. The error is 4.18%compared with the simulation results and the actual stiffness test results,which verifies the credibility of the model. Based on this reliability,the influence of different frictional forces on the stiffness and hysteresis of the spring is also analyzed,of which the results show that increasing the friction force increases the average stiffness of the leaf spring assembly and reduces the hysteresis of the leaf spring.
A mathematical model of double-arched,two-piece,asymmetrical steel leaf spring with variable-section is established in this paper. With considering the large deformation of the arc under no load and full load,inter-chip friction and contact between the leaves when the leaf spring is working,the finite element software HyperMesh and ABAQUS are used together to make a nonlinear finite element analysis of the static characteristics of this kind of leaf spring. The error is 4.18%compared with the simulation results and the actual stiffness test results,which verifies the credibility of the model. Based on this reliability,the influence of different frictional forces on the stiffness and hysteresis of the spring is also analyzed,of which the results show that increasing the friction force increases the average stiffness of the leaf spring assembly and reduces the hysteresis of the leaf spring.
引文
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[8]李雪梅,王珂,刘夫云.少片钢板弹簧阻尼特性的研究[J].机械设计与制造,2017(3):105-107.(Li Xue-mei,Wang Ke,Liu Fu-yun.Study on calculation methods of taper leaf spring of damping characteristic[J].Machinery Design&Manufacture,2017(3):105-107.)
[9]庄茁,由小川,廖剑晖.基于ABAQUS的有限元分析和应用[M].北京:清华大学出版社,2009.(Zhuang Zhuo,You Xiao-chuan,Liao Jian-hui.Finite Element Analysis and Application Based on ABAQUS[M].Beijing:Tsinghua University Press,2009.)
[10]石亦平,周玉荣.ABAQUS有限元分析实例详解[M].北京:机械工业出版社,2006.(Shi Yi-ping,Zhou Yu-rong.ABAQUS Finite Element Analysis Examples[M].Beijing:Machinery Industry Press,2006.)
[2]申晋宪,王铁.载货汽车总体设计分析[M].北京:中国标准出版社,2013.(Shen Jin-xian,Wang Tie.Analysis on the Overall Design of Truck[M].Beijing:China Standard Press,2013.)
[3]彼得·艾伯哈特,胡斌.现代接触动力学[M].南京:东南大学出版社,2003.(Peter Eberhart,Hu Bin.Modern Contact Dynamics[M].Nanjing:Southeast University Press,2003.)
[4]何彬.少片变截面汽车钢板弹簧灵敏度分析[J].机械设计与制造,2014(7):91-93.(He Bin.Sensitivity analysis and simulation of taper leaf spring[J].Machinery Design&Manufacture,2014(7):91-93.)
[5]M.A.Osipenko,Yu.I.Nyashin,R.N.Rudakov.A contact problem in thetheory of leaf spring bending[J].International Journal of Solids and Structures,2003(40):3129-3136.
[6]谢红初,高中庸,王亚洲.板间摩擦状态对钢板弹簧固有特性的影响研究[J].机械设计与制造,2015(3):91-93.(Xie Hong-chu,Gao Zhong-yong,Wang Ya-zhou.Research on friction state among the board impact on the inherent characteristics of leaf spring[J].Machinery Design&Manufacture,2015(3):91-93.)
[7]陆晨霞,王朋波.汽车钢板弹簧非线性有限元分析[J].计算机辅助工程,2012,21(6):58-59.(Lu Chen-xia,Wang Peng-bo.Nonlinear finite element analysis of automobile leaf springs[J].Computer Aided Engineering,2012,21(6):58-59.)
[8]李雪梅,王珂,刘夫云.少片钢板弹簧阻尼特性的研究[J].机械设计与制造,2017(3):105-107.(Li Xue-mei,Wang Ke,Liu Fu-yun.Study on calculation methods of taper leaf spring of damping characteristic[J].Machinery Design&Manufacture,2017(3):105-107.)
[9]庄茁,由小川,廖剑晖.基于ABAQUS的有限元分析和应用[M].北京:清华大学出版社,2009.(Zhuang Zhuo,You Xiao-chuan,Liao Jian-hui.Finite Element Analysis and Application Based on ABAQUS[M].Beijing:Tsinghua University Press,2009.)
[10]石亦平,周玉荣.ABAQUS有限元分析实例详解[M].北京:机械工业出版社,2006.(Shi Yi-ping,Zhou Yu-rong.ABAQUS Finite Element Analysis Examples[M].Beijing:Machinery Industry Press,2006.)