滚动轴承滚动体板单元模拟的边界元法

来源 :重庆建筑大学学报 | 被引量 : 18次 | 上传用户:qinzhen
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在三维弹性接触边界元法基础上 ,采用不同形状板单元描述中间滚动体 ,并置于内环上 ,从而将多物体接触问题简化成两物体接触问题。对于板单元的弹性变形 ,用 Hertz接触公式 ,将其变形以等效间隙代入总体矩阵方程中 ,从而获得轧机滚动轴承负荷特性的三维分布。本方法具有计算模型直观、简单和较高的计算精度 ,因而成为设计和分析轧机滚动轴承负荷特性的有效数值方法
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