In this paper, load identification is studied in the time domain by combining the coupling method and the precise time integration method.
该文通过耦合方法与精细时程积分法的结合，对载荷辨识问题进行时域分析和推导。
The time precise integration method shows great advantage to solve the stiff equations and nonlinear equations, it provides a new computation way for the research of flexible multibody system.
精细积分法在求解刚性方程和常系数线性方程时显示出很大的优越性，这为柔性体系动力学方程的求解提供了新的工具。
Compared with the precise immediate integration method, simplified method can maintain the calculation accuracy and improve the calculation efficiency at the same time.
与原有的精细直接积分法进行了对比，简化方法在保持高精度的同时提高了计算效率。
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