论文部分内容阅读
对钻塔进行了自由模态仿真分析和试验模态研究。通过相关性分析和MAC模态判定准则分析,验证了钻塔自由模态仿真分析结果与试验模态结果有很好的相关性,且不同阶次的模态之间相互独立。仿真分析技术相比于试验方法具有成本低、周期短等诸多好处,在仿真结果误差允许的范围内,仿真分析结果可以作为钻塔振动特性分析的参考依据,该方法对相关测试工作也具有重要的参考价值。
The free modal simulation analysis and experimental modal study on the rig. Through the analysis of correlation and the criteria of MAC modal determination, it is verified that there is a good correlation between the results of free modal simulation analysis and experimental modal results, and the modes of different orders are independent of each other. Simulation analysis technology has many advantages such as low cost, short cycle and so on. Compared with the experimental method, the simulation analysis results can be used as the reference basis for analysis of the vibration characteristics of the rig, which is also important for the related test work The reference value.