引入和声策略的果蝇算法求解边坡最小安全系数

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为了提高边坡稳定分析的效率,基于基本果蝇算法,通过引入和声策略,构建混合优化搜索算法,提出改进的果蝇算法;针对边坡短期稳定性问题,考虑边坡土体材料在垂直方向的变异特性,研究果蝇个数、最大飞行距离对基本果蝇算法搜索效率的影响。结果表明:基本果蝇算法和改进的果蝇算法中果蝇个数对计算结果影响较大,建议果蝇个数取为大于50;最大飞行距离对计算结果影响较复杂,针对不同的问题,建议采用不同的飞行距离进行试算,从而最终找到最优结果;改进的果蝇算法中和声策略参数h r尽量取较大值,一般建议取为大于0.95,和声策略参数p
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