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非完全试验信息的悬架橡胶-钢衬套本构模型多参数识别

陈宝 柯坚 赵鹏 雷刚 陈茜

陈宝, 柯坚, 赵鹏, 雷刚, 陈茜. 非完全试验信息的悬架橡胶-钢衬套本构模型多参数识别[J]. 机械科学与技术, 2014, 33(6): 918-923. doi: 10.13433/j.cnki.1003-8728.2014.0627
引用本文: 陈宝, 柯坚, 赵鹏, 雷刚, 陈茜. 非完全试验信息的悬架橡胶-钢衬套本构模型多参数识别[J]. 机械科学与技术, 2014, 33(6): 918-923. doi: 10.13433/j.cnki.1003-8728.2014.0627
Chen Bao, Ke Jian, Zhao Peng, Lei Gang, Chen Qian. Multi-parameters Identification of Constitutive Model of Suspension rubber-steel Bearing Based on Incomplete Test Information[J]. Mechanical Science and Technology for Aerospace Engineering, 2014, 33(6): 918-923. doi: 10.13433/j.cnki.1003-8728.2014.0627
Citation: Chen Bao, Ke Jian, Zhao Peng, Lei Gang, Chen Qian. Multi-parameters Identification of Constitutive Model of Suspension rubber-steel Bearing Based on Incomplete Test Information[J]. Mechanical Science and Technology for Aerospace Engineering, 2014, 33(6): 918-923. doi: 10.13433/j.cnki.1003-8728.2014.0627

非完全试验信息的悬架橡胶-钢衬套本构模型多参数识别

doi: 10.13433/j.cnki.1003-8728.2014.0627
基金项目: 

国家自然科学青年基金项目(51205433)

重庆市教委科学技术研究项目(KJ130817)

重庆市基础与前沿研究计划项目(cstc2013jcyjA60005)

重庆理工大学2012年度开放基金项目资助

详细信息
    作者简介:

    陈宝(1972-),副教授,博士研究生,研究方向为汽车动力学及悬架零部件结构分析,chenbao@cqut.edu.cn

Multi-parameters Identification of Constitutive Model of Suspension rubber-steel Bearing Based on Incomplete Test Information

  • 摘要: 以轿车扭力梁后悬架的橡胶-钢衬套为对象,通过应变能密度函数确定Yeoh多项式为衬套的本构模型。进行结构试验并获取X,Y,Z轴向"位移-力"历程曲线的非完全试验信息,利用HyperStudy与ABAQUS进行初始试验仿真,分析试验与仿真曲线的一致性;设定Yeoh多项式的多参数C10,C20,C30、Di为优化变量并赋初始值,优化目标是"面积差"或"位移差"平方为零的6类函数。采用自适应响应面法,经过14次迭代,6类函数的总加权值收敛逼近于零,识别出一组能较准确模拟衬套力学行为的本构模型参数值。试验仿真结果发现Y向曲线拟合精度高,预紧模拟及网格歧异等导致X与Z向曲线拟合差,但瞬态刚度值误差均在8%内,在工程中属于可接受范围。
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出版历程
  • 收稿日期:  2013-02-07
  • 刊出日期:  2015-06-10

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