when crack expanding problem is studied, a high efficiency semi-analytical matrix perturbation method is put forward.
对于裂纹扩展问题,提出了一种高效的半解析矩阵摄动法。
a matrix perturbation method for the calculation of errors in precision electro-magnetic measuring circuits caused by small variation of circuit parameters is described in this paper.
本文提出用矩阵微扰法计算精密电磁测量线路的参数发生微小变化时引起的误差。
presented in the paper is a matrix perturbation method for calculating the natural vibration modes of a bridge structure with parametric modifications.
提出应用矩阵摄动法来求解桥梁结构改变后的固有模态。
by means of impulse response and matrix perturbation method of nonlinear system, the author finds that the response statistics of a nonlinear system are subjected to random excitation.
用参数激励机理的振蕩理论分析了系统的演化过程,认为时变参数流感是系统演化的网络关键参数,提出了定量判据系统工作能力的指标调制度。
the numerical example shows that the matrix perturbation method is very effective.
本文的实例分析证明了矩阵摄动法引入的必要性及其结果的优良性。
the ordinary matrix perturbation method fails to deal with the structural system of repeated or closed frequency modes.
当系统具有重频或近频耦合模态时,常规的矩阵摄动法失效。
the efficiency of the elastic buckling matrix perturbation method is proved by calculating numerical examples.
数值试验表明了弹性屈曲矩阵摄动算法的有效性。