| 基于桥梁动力响应的车-桥接触力识别方法 |
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| 引用本文： | 卜建清,刘宪福. 基于桥梁动力响应的车-桥接触力识别方法[J]. 石家庄铁道学院学报(社会科学版), 2006, 0(4): 1-5 |
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| 作者姓名： | 卜建清 刘宪福 |
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| 作者单位： | [1]石家庄铁道学院交通工程分院,河北石家庄050043 [2]石家庄铁道学院科技处,河北石家庄050043 |
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| 摘 要： | 将桥梁划分为欧拉梁单元建立桥梁的振动方程，基于拉格拉日原理建立汽车的振动方程，根据接触点处的接触力将汽车和桥梁系统耦合在一起。求解汽车一桥梁系统耦合方程得到桥梁节点动力响应，由广义正交函数和模态叠加原理确定模态响应及其导数，用正则化方法得到稳定的识别结果。数值模拟结果表明，该方法用于识别车桥接触力是有效的、可行的。
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| 关 键 词： | 车-桥系统 动力响应 接触力识别 广义正交函数 正则化方法 |
| 修稿时间： | 2006-03-06 |
Identification of Interaction Forces between Vehicle and Bridge Based on Dynamic Response |
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| Bu Jianqing,Liu Xianfu. Identification of Interaction Forces between Vehicle and Bridge Based on Dynamic Response[J]. , 2006, 0(4): 1-5 |
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| Authors: | Bu Jianqing Liu Xianfu |
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| Affiliation: | 1. School of Transportation Engineering, Shijiazhuang Railway Institute, Shijiazhuang 050043, China; 2. Department of Science and Technology, Shijiazhuang Railway Institute, Shijiazhuang 050043, China |
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| Abstract: | The bridge is discretized into Euler beam elements and the equation of motion is written. The vibration equation of the vehicle is set up based on Lagrange formulation, and the coupling equations of the vehicle/bridge system are coupled together according |
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| Keywords: | vehicle-bridge system dynamic response interaction force identification generalized orthogonal function regularization technique |
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