Because the bilinear terms of which flow rate times contaminant concentration in mass balance lead to that the NLP problem is non-convex. An adaptive simulated annealing genetic algorithm is adopted to solve the problem according to its feature.

• 由于模型约束中的浓度乘以流量双线性项导致问题非凸，根据其特点采用自适应模拟退火遗传算法求解。