地下水数值模拟模型SkyCoMuS的研发与算例分析OA

Groundwater numerical simulation models are core research tools in the fields of groundwater science and engineering,yet their applications have long been dominated by foreign-developed models such as MODFLOW and FEFLOW,with domestic development in China still relatively underdeveloped.SkyCoMuS is the first publicly released groundwater numerical simulation model in China,developed by the China Institute of Water Resources and Hydropower Research.Its main features include:(1)over 38,000 lines of source code,all independently devel-oped;(2)object-oriented programming in C++with a highly modular and reusable design,facilitating maintenance and the development of new simulation modules;(3)a unique groundwater flow algorithm that addresses the long-standing technical challenge of simulating drying-rewetting processes in grid cells and achieves excellent accuracy;(4)a built-in under-relaxation iterative scheme that greatly enhances convergence in highly nonlinear simulations;(5)an enhanced river-groundwater coupling algorithm particularly suited to China's hydrological conditions;and(6)a simple interface designed for ease of model use.Several key features have been verified through an analytical solution test case,a highly nonlinear test case,and a seasonal river-groundwater coupling test case.