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Fluvial Morphology Resulting from Nonlinear Interactions of Water and Sediment

Fluvial Morphology Resulting from Nonlinear Interactions of Water and Sediment
水和沉积物非线性相互作用产生的河流形态
批准号：
9207882
负责人：
Gary Parker
金额：
$28.94万
依托单位：
University of Minnesota-Twin Cities
依托单位国家：
美国
项目类别：
Continuing Grant
财政年份：
1992
资助国家：
美国
项目状态：
已结题
起止时间：
1992-08-15 至 1996-01-31
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9207882&HistoricalAwards=false
关键词：
FluvialMorphologyResultingNonlinearInteractions

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中文摘要
翻译
采用理论模拟和数值模拟相结合的方法，对粘性土中的切槽河网、水流在河床上形成的泥沙床面的形成和有限振幅稳定性、泥沙粒度与水流剪切力和压力的分选三个方面进行了研究。泥沙输送和河流形态是各种土木工程和环境问题中的一个重要因素。
英文摘要
Theoretical modeling and numerical simulation is to be applied to three areas in river morphology: incisional channel networks in cohesive soils, formation and finite-amplitude stability of sediment bedforms formed by flows over them, and sediment grain size sorting from flow shear and pressure forces. Sediment transport and river configurations are an important element in a variety of Civil Engineering and environmental problems.
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