Hydrogeological parameters are important parameters in numerical simulation of groundwater. it is retrieved by pumping experiments for simultaneous interpretation of these parameters, and the problem of hydro-geological parameters identification is actually a complex nonlinear program. Precision of many traditional count methods is low by human factors. A combined algorithm which combines the good global searching ability of artificial fish swarm algorithm with the strong local optimization ability of simulated annealing in this paper. The result of case analysis shows that the combined algorithm than the traditional method are more reliable and more accurate calculation, and the calculation value by the combined algorithm accords with the actual value. Compared with the artificial fish swarm algorithm, the combined algorithm can run shorter, higher computational efficiency, it is a simple and effective method to calculate aquifer parameters.
Key words
artificial fish swarm algorithm /
simulated annealing /
hydro-geological parameters /
parameters calculation
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