The equation has asymmetric mass matrix, asymmetric stiffness matrix and nonclassical damping matrix, and the direct solving format is given in this paper.
针对所得方程为非对称质量、非对称刚度、非经典阻尼的情况，本文给出了使用直接法求解的格式。
Nonlinear physical parameters of the docking mechanism-inertial, damping and stiffness matrices, are identified by direct parameter estimate(DPE)method with input-output data of the system.
采用直接参数识别方法（DPE）由系统的输入、输出数据识别空间对接机构的物理参数：惯量矩阵、阻尼矩阵和刚度系数矩阵。
Results show that damping moment modulus of damper with given size and liquid medium is almost constant and basically in direct proportion to square of rotor speed.
研究结果表明，结构尺寸、液体介质密度确定的阻尼器的阻尼力矩系数接近一常数，阻尼力矩基本上与阻尼器的转子转速的平方成正比；
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