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蓄水多坑入滲條件下土壤水分運(yùn)動(dòng)建模與試
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Simulation on Soil Water Movement under Water Storage Pits Irrigation
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    摘要:

    針對(duì)蓄水坑灌坑內(nèi)水頭高且非恒定和土壤入滲邊界復(fù)雜的特點(diǎn)，建立了蓄水多坑三維入滲及土壤水分運(yùn)動(dòng)數(shù)學(xué)模型，采用ADI交替方向隱式差分格式結(jié)合Gauess-Seidel迭代法對(duì)模型進(jìn)行求解，并進(jìn)行了試驗(yàn)驗(yàn)證，結(jié)果表明計(jì)算值與實(shí)測(cè)值吻合較好，說(shuō)明所建立的數(shù)學(xué)模型正確，采用的數(shù)值求解方法是可行的。

    Abstract:

    Aimed at the specialties of infiltration head higher and varying under the condition of water storage pits irrigation, numerical model of 3-D infiltration and the soil moisture movement of complicated boundary conditions in water storage pits was established. ADI method and Gauess-Seidel iterative method were used in numerical simulation followed by verification tests. The results showed that the calculated values were in accordance with the experimental results. This indicated the numerical model was correct and the method of solution was feasible.

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馬娟娟,孫西歡,郭向紅,李永業(yè).蓄水多坑入滲條件下土壤水分運(yùn)動(dòng)建模與試[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2010,41(3):46-51. Simulation on Soil Water Movement under Water Storage Pits Irrigation[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(3):46-51.

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