The FEM(finite element method) of the main shaftclamping apparatus-cutter system for DMU-70V NC high speed machining was built, and the results of the FEM were validated using dynamic test.
建立了DMU-70V五轴数控高速加工中心主轴-夹具-刀具系统的有限元模型，并利用动态测试的方法对有限元计算结果进行验证；
By using finite element method (FEM) and by simulating the dynamic and static frequency, the reasons of vibration are clear and then the servo structure is optimized.
通过对直线运动平台的有限元分析和动静态频率仿真，确定了刀架振动的原因，并优化了刀架的结构。
The stability factor of retaining walls is analyzed with the finite element and slip circle method, which is based on the results obtained by static and dynamic FEM.
根据分析所得的动、静应力分量，采用有限元与圆弧滑动法相结合的有限元一圆弧法，分析了挡土墙的抗滑稳定性。
The automobile body dynamic response characteristic research become the important field of FEM (finite element method), and the important content of analysis and design of new car.
车身动态特性研究成为新车型开发中有限元法应用的重要领域之一，是新产品开发中结构分析与设计的重要内容。
Dynamic model of the cable-cabin system is derived by finite element method (FEM). This is a basis of analyzing the dynamic performance of the cable-cabin system.
建立了舱索系统结构的非线性有限元模型，为结构的动态性能分析奠定基础。
Dynamic model of the cable-cabin system is derived by finite element method (FEM). This is a basis of analyzing the dynamic performance of the cable-cabin system.
建立了舱索系统结构的非线性有限元模型，为结构的动态性能分析奠定基础。
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