Through dynamic force condensing, the dynamic matrix of mega-frame is simplified, and corresponding oscillatory differential equation is obtained.
并对在该模型下建立的动力矩阵用动力凝聚法进行简化,推导了相应的振动微分方程。
2
The method transfers the structural vibration differential equations into algebraic equations and the empirical formulae about fluid force coefficients is put forward.
该方法把结构振动的微分方程转化为振幅与频率的代数方程,并给出了流体力系数的经验公式。
3
The characteristics of MR damper have been described by a set of nonlinear differential equations including three physical parameters such as displacement, voltage and force.