After carrying out a theoretical analysis of vibration and sound radiation of mill cylinder, simulation for acoustic field has been preceded by boundary element method.
本文对球磨机筒体的振动和声辐射进行了理论分析，然后结合边界元方法对筒体辐射声场进行了仿真分析。
The screwdown block is improved by mechanics analysis with boundary element method, and a simple device is designed for dynamic load of oil film bearing used in high-speed wire rolling mill.
通过采用边界元法对高线轧机压下垫块改造模型进行力学分析，开发设计一种适合测量高线轧机油膜轴承动态载荷特性的简易装置。
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