本文選題：非淹沒圓柱群 + 剪切應(yīng)力輸運(yùn)　； 參考：《水動(dòng)力學(xué)研究與進(jìn)展A輯》2016年02期

【摘要】：本文基于帶自由表面水動(dòng)力學(xué)數(shù)值模型,采用雙方程k-ω的剪切應(yīng)力輸運(yùn)(SST)湍流模式,對(duì)非淹沒剛性圓柱群水流場(chǎng)進(jìn)行了三維數(shù)值模擬。通過與實(shí)驗(yàn)數(shù)據(jù)的對(duì)比分析,驗(yàn)證了模型的有效性及模擬精度。通過圓柱群繞流場(chǎng)特征的模擬分析,探究了不同圓柱雷諾數(shù)和固體體積分?jǐn)?shù)對(duì)柱群內(nèi)剪切層滲入長度(δ)、柱群后尾流區(qū)剪切層長度以及床面應(yīng)力空間分布特征的影響。
[Abstract]:Based on the hydrodynamic numerical model with free surface and using the two-equation k- 蠅 shear stress transport model (SST) turbulent model, a three-dimensional numerical simulation of the water flow field of a group of non-submerged rigid cylinders has been carried out in this paper. The validity and accuracy of the model are verified by comparing with the experimental data. The effects of Reynolds number and solid volume fraction on the length of shear layer (未), the length of shear layer in wake region and the spatial distribution of bed stress in a cylindrical group are investigated by means of the simulation analysis of the flow field characteristics around a cylindrical group.
【作者單位】： 上海交通大學(xué)船舶海洋與建筑工程學(xué)院;上海交通大學(xué)水動(dòng)力學(xué)教育部重點(diǎn)實(shí)驗(yàn)室;
【基金】：國家重點(diǎn)基礎(chǔ)研究發(fā)展計(jì)劃(973計(jì)劃,2014CB046200) 水利部公益性行業(yè)科研專項(xiàng)經(jīng)費(fèi)資助項(xiàng)目(201401027)~~
【分類號(hào)】：O357.5
，

本文編號(hào)：1912864