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针对截流块体的起动概率,综合考虑水流脉动的随机性以及块体在河床面所处位置的随机性,分别以“有阻挡无遮掩”和“有遮掩无阻挡”两种情况,基于Monte-Carlo法在三维空间内进行了计算分析。计算结果揭示了截流块体在这两种情况下的起动规律及稳定性差异,同时说明Monte-Carlo法可以方便有效地求取受多重随机性因素影响的截流块体的起动概率。
Considering the randomness of water flow pulsation and the randomness of blocks in the river bed, the probability of starting block of block is taken into consideration, with “no cover” and “no cover” respectively , Calculated and analyzed in three-dimensional space based on Monte-Carlo method. The results of the calculation reveal the difference between the start-up rules and the stability of the intercepting block under these two conditions. It also shows that the Monte-Carlo method can easily and effectively determine the starting probability of the intercepting block influenced by multiple random factors.