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本文采用时—空动力学方法进行弹棒事故分析。这种方法考虑了控制棒等控制体的空间效方,给出的计算结果比点堆模型精确,但计算中所选用的时间步长约比点堆模型小两个数量级,增加了计算时间。
In this paper, the time-space dynamics method is used to analyze the projectile accident. This method takes into account the space efficiency of the control rod and other control objects. The calculation result is more accurate than the point stack model. However, the time step selected in the calculation is about two orders of magnitude smaller than the point stack model, which increases the calculation time.