摘要
在水文理论的基础上建立三江平原地下水流动的微分方程数学模型,并采用解析有限元法将微分方程线性化为大型线性方程组,把线性方程组作为优化模型的一部分约束条件,将地下水流动状态方程与优化模型进行耦合,并用Lingo软件求解。结果表明,该地区浅层地下水资源丰富,具有较大的开发潜力,但由于近年来水资源配置不合理,地下水开采量过大,使区域水通量呈下降趋势。
This article establishes ground water flows differential equation mathematical model of Sanjiang plain in the hydrology theory foundation, and uses the analysis finite element method to liner change the differential equation into the large-scale system of linear equations. It tooks linear equations as a part of constraint conditions of the optimized model, carries on the ground water flow status equation and the optimized model the coupling, and carries on the solution with the Lingo software. The result indicated that this local shallow layer ground water resources are rich and have the big development potential. But recent years water resources disposition was unreasonable and ground water mining quantity was oversized, these Caused the region water flux to assume the drop tendency.
出处
《东北农业大学学报》
CAS
CSCD
2006年第2期225-228,共4页
Journal of Northeast Agricultural University
基金
国家自然科学基金(C020106)
关键词
三江平原
地下水
数学模型
解析有限元法
LINGO
Sanjiang plain
ground water
mathematical model
analysis finite element method
Lingo
