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来源：百度知道 编辑：UC知道 时间：2024/05/29 05:24:06
列车过桥时会引起桥梁的振动，桥梁的振动反过来也会影响车辆的振动，即形成车桥耦合振动问题。随着我国铁路客货车的全面提速，为了有效的对既有桥梁运营状态进行评估以，及对新建、改建桥梁进行优化设计，均需对列车过桥时的车桥耦合振动问题进行分析。
计算机高速发展、有限元理论及软件在逐步完善，ansys强大的功能在仿真分析过程中可以起到重要的作用，可以充分应用模拟实际，提高工程的质量和施工的效率，节省大量物力财力。本文通过ansys分析软件来模拟荷载作用于桥面引起的车桥动力响应，利用ansys建立桥梁模型，采用不同的加载方式和分析模型，利用ansys强大的计算能力和通用与时间历程后处理功能得出结果，分析总结，给出不同荷载和作用方式对桥梁结构动力响应。
When train bridge can cause the bridge vibration, the bridge vibration in turn also can affect the vehicles the vibration, namely forms the vehicle bridge coupled oscillation question.Raises comprehensively along with our country railroad passengers and cargo vehicle fast, in order to effective to already has the bridge operation condition to carry on the appraisal by, and to newly built, the reconstruction bridge carries on the optimized design, must carry on the analysis to time the train bridge vehicle bridge coupled oscillation question.
The computer high speed development, the finite element theory and the software are consummating gradually, the ansys formidable function may play the vital role in the simulation analysis process, may apply the simulation reality fully, enhances the project the quality and the construction efficiency, saves the massive physical resource financial resource.This article simulates the load function through the ansys analysis software t