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本文运用谐波分析和机械振动的理论,首次论证了机构梁单元横向位移函数采用位置的五次多项式的合理性,给出了相应单元长度划分的准则公式。作为算例,文中列举了一曲柄摇杆机构的数值结果。
In this paper, the theory of harmonic analysis and mechanical vibration is used to demonstrate the rationality of the fifth-order polynomial for the location of transverse displacement function of beam unit and to give the criterion formula for the partition of unit length. As an example, the article lists the numerical results of a crank rocker mechanism.