广东水利水电
廣東水利水電
엄동수이수전
GUANGDONG WATER RESOURCES AND HYDROPOWER
2014年
4期
20-24
,共5页
有限体积法%二维水流水质模型%复杂地形%西江金利镇段
有限體積法%二維水流水質模型%複雜地形%西江金利鎮段
유한체적법%이유수류수질모형%복잡지형%서강금리진단
finite volume method%2-D Flow-Pollution model%complicated topography%Xijiang river in Jinli
建立了基于有限体积法的二维水流水质数学模型体系,并采用水位床底方程法( Water Level bottom topography Formulation, WLF)处理底坡源项,保证计算格式的和谐性。将模型运用到西江金利镇段水流水质数值模拟中,模拟得到西江金利段水动力情况与实测值吻合度高,同时预测得到的污染物浓度较合理。模拟结果表明,有必要对金利镇生活污水及生产废水采取措施,加强区域环境管理,以保障该河段水质安全。
建立瞭基于有限體積法的二維水流水質數學模型體繫,併採用水位床底方程法( Water Level bottom topography Formulation, WLF)處理底坡源項,保證計算格式的和諧性。將模型運用到西江金利鎮段水流水質數值模擬中,模擬得到西江金利段水動力情況與實測值吻閤度高,同時預測得到的汙染物濃度較閤理。模擬結果錶明,有必要對金利鎮生活汙水及生產廢水採取措施,加彊區域環境管理,以保障該河段水質安全。
건립료기우유한체적법적이유수류수질수학모형체계,병채용수위상저방정법( Water Level bottom topography Formulation, WLF)처리저파원항,보증계산격식적화해성。장모형운용도서강금리진단수류수질수치모의중,모의득도서강금리단수동력정황여실측치문합도고,동시예측득도적오염물농도교합리。모의결과표명,유필요대금리진생활오수급생산폐수채취조시,가강구역배경관리,이보장해하단수질안전。
Based on the finite volume method ( FVM) , a mathematical model has been applied to solve the two -dimensional shal-low water equations and the convection -diffusion equation.Meanwhile, Water Level bottom topography Formulation (WLF) is ap-plied to deal with bed slope source term , making a well-balanced scheme .The model is used to simulate hydrodynamic situation and substance concentration of Xijiang River in Jinli , and show reasonable simulated result .It is shown that Jili town should strengthen regional environmental planning and management in order to protect the river 's water quality .