摘要
结合计算实例，研究了振动筛有限元固有特性分析中虚约束的正确选择问题；
This paper performs the determination of imaginary boundaries in finite element natural property analysis for vi-brating screen in combination with an example,and introduces the structural symmetry: P40~ 42
出处
《矿山机械》
北大核心
1998年第1期40-41,共2页
Mining & Processing Equipment
关键词
振动筛
有限元
特性分析
虚约束
结构对称性
Vibrating screen, Finite element, Natural property, Imaginary boundary, Structural symmetry
