It is found that the displacement input model is more accurate than the generally used acceleration input model, given the same direct integration method and time step.

数值计算结果表明，若采用相同的数值积分方法和积分步长，位移输入模型可获得比加速度输入模型更高的计算精度。

youdao

Based on the original research findings of the high order single step integration algorithm, a new algorithm for the high order single step real-time substructure testing was put forward.

本文在前人早期高阶单步逐步积分算法研究成果的基础上，提出了一种新的高阶单步实时动力子结构试验算法。

youdao

After accomplishing model forces analyses, Explicit Integration is implemented to calculate positions and velocities of all particles in the next time step.

在对模型进行受力分析后，文章接着通过显式积分求解出各质点下一时间片的位置和速度。

youdao