文中建议了一种判定工程实际问题之非线性数值积分稳定性的实用办法，并成功地应用于重载列车动力学分析。
In the paper, a criterion is also presented to determine the numerical stability of any integration method solving complex nonlinear problems from engineering practice.
在结构动力分析中提出了建立冲量方程并求解的方法，给出了该方法的积分格式并讨论了其数值稳定性、精度等数值特性。
Both the impulse equations of structural dynamics and the solution were established, and the (numerical) stability and accuracy of the integral formulation were also discussed.
数值积分法通过求解电力系统的动态方程组分析暂态稳定性，因此需要建立电力系统的动态数学模型。
Transient stability analysis based on numerical integration method is applied by solving the dynamic equations, so models of power system are required.
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