水利工程、土木工程 |
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基于随机-动力学模型的非均匀推移质扩散 |
范念念1, 吴保生2 |
1. 四川大学水力学与山区河流开发保护国家重点实验室,水利水电学院,四川 成都 610065;2. 清华大学 水沙科学与水利水电工程国家重点实验室,北京 10084 |
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Anomalous diffusion of non-uniform bed load particles based on a stochastic-mechanic model |
FAN Nian-nian1, WU Bao-sheng2 |
1. State Key Laboratory of Hydraulics and Mountain River Engineering, College of Water Resource and Hydropower, Sichuan University, Chengdu 610065, China; 2.State Key Laboratory of Hydroscience and Hydraulic Engineering, Tsinghua University, Beijing 100084, China |
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HAN Qi-wei, HE Ming-min. Stochastic models for bed load particle diffusion and the statistical properties [J], Science China: Series A, 1980(4): 396-401.
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[8] FAN N, ZHONG D, WU B, et al. A mechanistic-stochastic formulation of bed load particle motions: from individual particle forces to the Fokker-Planck equation under low transport rates [J]. Journal of Geophysical Research-Earth Surface, 2014, 119: 464-482.
[9] ROSEBERRY J C, SCHMEECKLE M W, FURBISH D J. A probabilistic description of the bed load sediment flux: 2. Particle activity and motions [J]. Journal of Geophysical Research-Earth Surface, 2012, 117(F03032): 121.
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[11] SUN Z L, DONAHUE J. Statistically derived bedload formula for any fraction of nonuniform sediment [J]. Journal of Hydraulic Engineering-ASCE, 2000, 126(2): 105-111.
[12] WU B S, MOLINAS A, JULIEN P Y. Bed-material load computations for nonuniform sediments [J]. Journal of Hydraulic Engineering-ASCE, 2004, 130(10): 1002-1012.
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[14] 何文社. 非均匀沙运动特性研究 [D]. 成都:四川大学, 2002.
HE Wen-she. Study on laws of transport for non-uniform Sediment [D]. Chengdu: Sichuan University, 2002.
[15] DRAKE T G, SHREVE R L, DIETRICH W E, et al. Bedload transport of fine gravel observed by motion-picture photography [J]. Journal of Fluid Mechanics, 1988, 192: 193-217.
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