基于有限元的空气弹簧横向刚度特性研究
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摘要
以车用自由膜式空气弹簧为研究对象,以超弹性材料非线性本构关系为依据,研究空气弹簧接触非线性、几何非线性以及材料非线性,利用ABAQUS有限元分析软件建立空气弹簧横向特性有限元模型,并计算其刚度特性,讨论帘线参数以及初始内压对空气弹簧横向刚度的影响.仿真结果表明:初始内压与帘线角对横向刚度的影响较大.
In the report,the membrane air spring for vehicles was used as the research object,and the nonlinear constitutive relation of hyper elastic material was used as the basis to study the contact nonlinearity,geometrical nonlinearity as well as the material nonlinearity of air spring. ABAQUS software was used to construct the lateral finite element model of air spring and calculate its stiffness characteristic,and the effects of cord parameters and the initial internal pressure on the lateral stiffness of air spring discuss were also discussed. The simulation result showed that the initial internal pressure and cord angle have a great influence on the lateral stiffness.
In the report,the membrane air spring for vehicles was used as the research object,and the nonlinear constitutive relation of hyper elastic material was used as the basis to study the contact nonlinearity,geometrical nonlinearity as well as the material nonlinearity of air spring. ABAQUS software was used to construct the lateral finite element model of air spring and calculate its stiffness characteristic,and the effects of cord parameters and the initial internal pressure on the lateral stiffness of air spring discuss were also discussed. The simulation result showed that the initial internal pressure and cord angle have a great influence on the lateral stiffness.
引文
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[2]甄亚林,李芾,霍芳霄.空气弹簧发展及其研究现状[J].电力机车与城轨车辆,2014,37(1):27-32.
[3]屠德新,黄昌文,陈毛权,等.基于ABAQUS的帘线参数对汽车空气弹簧垂向刚度影响的研究[J].汽车技术,2011(2):10-13.
[4]李美.带附加气室空气弹簧系统动态特性机理的研究[D].镇江:江苏大学,2012.
[5]刘青峰,张治国,王岩,等.空气弹簧非线性横向特性的有限元计算[J].铁道学报,2015,37(3):29-34.
[6]葛国华,卢超.空气弹簧参数对其静态力学性能影响的试验与计算分析[J].现代制造工程,2018(1):119-125.
[7]郑明军,王文静,陈政南,等.橡胶Mooney-Rivlin模型力学性能常数的确定[J].橡胶工业,2003(8):462-465.
[8]刘国漪,张少波,周劲松.汽车空气弹簧动静刚度特性分析[J].海南大学学报:自然科学版,2018,36(2):197-202.
[9]王艳.空气弹簧力学特性仿真分析与试验研究[D].成都:西南交通大学,2015.