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本文运用矢量法通过对惯性矩阵的计算,发现了中心惯性主轴转子在安装过程与旋转轴发生偏差角的情况下,惯性积大小与几何尺寸的比例和偏差角大小有关,并存在旋转轴也是中心惯性主轴的特例,从而得到了旋转轴在偏差角下仍为中心惯性主轴的条件.此类现象在教学中应该引起足够重视.
在动力学教学中应注意的一种特殊情况
【摘 要】
：
本文运用矢量法通过对惯性矩阵的计算,发现了中心惯性主轴转子在安装过程与旋转轴发生偏差角的情况下,惯性积大小与几何尺寸的比例和偏差角大小有关,并存在旋转轴也是中心惯性主轴的特例,从而得到了旋转轴在偏差角下仍为中心惯性主轴的条件.此类现象在教学中应该引起足够重视.
【机 构】
：
天津大学机械工程学院,天津市非线性动力学与混沌控制重点实验室,天津,300072
【出 处】
：
中国力学学会北方七省市区第十三届学术大会
【发表日期】
：
2010年7期
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