This method takes fully into account the characteristics of supports and loads, deals especially with the nonlinearity of oil film force of guide bearing caused by vertical arrangement of spindle.

该方法充分考虑了主轴支承边界条件和有关载荷方面的特点，特别是考虑了由于主轴的垂直安装引起的油膜力的非线性。

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Seismic response of chimneys to combined horizontal and vertical ground motion is analysed in this paper. The effect of the geometric nonlinearity including vertical ground motion is considered.

本文对烟囱在水平与竖向地震动分量联合作用下的反应进行了分析，分析中考虑了包含竖向地震动的几何非线性的影响。

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