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中文摘要：
以振动沉拔桩机和土为研究对象，对二者进行适当简化后，建立其有限元模型。利用大型有限元分析软件ANSYS对沉桩过程进行了计算机仿真。通过仿真可以对不合理的桩机参数进行优化，研究结果为振动沉拔桩机的设计和改进提供了理论依据。
英文摘要：
Vibratory pile driver and extractor and soil are researched. When both are simplified, the finite element model is set up. The vibration penetration process is simulated by ANSYS. The unreasonable parameter can be optimized during the penetration process by the simulation. All this research results will lay a theoretical basis for designing and improving the vibratory pile driver and extractor.
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同项目期刊论文
Synchronization of two non-identical coupled exciters in a non-resonant vibrating system of linear m
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