By applying vehicle-bridge vibration theory, dynamical model and equation of railway curve negotiating vehicle as well as the model and equation of curve beam bridge are established.
运用车桥耦合振动理论，建立铁路车辆曲线通过模型动力方程、曲线梁桥模型及其动力方程。
This paper is concerned with semi-active control of vertical vibration for continuous beam by variable dampers and puts forward the semi-active control law based on the sliding mode theory.
利用可变阻尼器对连续梁桥的竖向振动进行半主动控制，提出基于滑动模式理论的控制算法，并以实例加以说明。
After reduce the bar's free vibration differential equation to a lower order, we analogize it to the bending theory of the beam and gives an iterative procedure.
将杆作自由振动的微分方程作降阶处理后，和梁的弯曲理论作类比，给出了一个迭代算法。
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