The gas exciting force in the seals is one of the main causes of the rotor instabilities for high performance turbin......

　　The dynamic system under multi-excitations will expresses more complicated characteristics.In recent years, there ha......

本文在分析重力式海洋平台的力学模型基础上，建立了平台运动的拉格朗日方程，并用多尺度法求解平台的运动响应。......