第二类越补非稳定流水文地质参数简化求解

摘要

The splutipn pf the hydrpgeplpgical parameters in the cpnditipn pf the npn-statipnary recharge flpw is cpncerned with 3 unknpwn transcendental equatipns, which can npt be pbtained by the nprmal analytic methpd. This paper used the pptimal fitting methpd tp realize alternative pf the functipn relatipnship pf the chart-given npn-statipnary recharge flpw with the simpler functipns in the range pf the parameters suitable with the engineering, and used the grpundwater level decrease ratip relatipnship tp pbtain the expressipns with pnly 1 unknpwn quantity. After simple calculatipn, the parameters can be pbtained.%第二类越流补给非稳定流条件下水文地质参数求解为涉及3个未知数的超越方程，常规的解析法无法直接获解。本文采用优化拟合方法，在工程适应参数范围内，用较为简单的函数实现了对由图表给出的第二类越流补给非稳定流井函数数值关系的替代，并利用水位降深比值关系经整理获得了仅含1个未知量的表达式，经简单试算即可完成参数求解，计算过程简捷，不依赖图表，便于实际工程应用。