分枝限界算法是一种求解组合优化问题的一般性方法，并行化是提高算法性能的有效手段。

Branch and Bound algorithm is a general method for solving Combinatorial Optimization Problems. Parallelization is an effective means to improve the algorithm performance.

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通过与并行寻优、线性组合方法的比较，得出了分级优化法具有灵活性及收敛性好等特点的结论。

The conclusion is that, compared with the parallel-searching and the linear combination methods, the sectional optimization method is more flexible and better in convergence.

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最后基于该方法计算的应力场，应用并行组合模拟退火算法搜索坝基最危险滑动模式及相应的最小安全系数。

Finally, based on the stress fields of FEM analysis, the most dangerous sliding mode and the minimum anti-sliding factor are searched by parallel recombination simulated annealing algorithm.

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