计算了对称截面粱在不同边界条件下的高阶固有频率，讨论了转动惯量及剪切变形效应对各阶固有频率的影响。
The high natural frequencies of symmetrical section beam with different constraints are calculated in detail, and effects of rotary inertia and shearing deformation are given.
其密封件固有的安装裙被压紧在端盖上，可防止密封件随着轴的转动而转动。
It will be tightly fixed on the end cover which can prevent seals from rotating while shaft rotating.
考虑轴向力和截面转动惯性效应的影响，导出弯曲振动的固有频率。
The influence of the axial force and the inertial effect of the cross section on the natural frequency of flexural vibration is considered.
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