下面是对这些过渡单元使用的介绍： 1）电阻基体与管脚之间用刚性梁单元（RBAR）过渡 电阻基体为集中质量点单元，管脚用梁单元划分网格，两者之间采用刚性梁单元 RBAR连接。
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采用连接单元法，考虑连接柔性的影响，推导出半刚性框架梁柱的刚度矩阵及半刚性梁的固端弯矩。
The stiffness matrix of semi-rigid steel frames and the fixed end moment are deduced, based on the connection element method incorporating the effects of joint flexibility.
将刚性圆盘单元和空间梁单元组集推导出了柔性转子系统的动力学控制方程及其系数矩阵的解析表达式。
By combining rigid disk element and 3-d beam element the dynamical control equation of flexible rotor system and its analysis formula of coefficient matrix are developed.
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