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| 四面体框架群三维水动力模型 | |
| 引用本文： | 高柱,李星,唐洪武,顾正华.四面体框架群三维水动力模型[J].船舶与海洋工程学报,2009,8(4):338-342. |
| 作者姓名： | 高柱 李星 唐洪武 顾正华 |
| 作者单位： | [1]三峡大学土木水电学院,湖北宜昌443002 [2]宁波市汇通工程建设有限公司,浙江宁波315000 [3]河海大学水利水电工程学院,江苏南京210098 [4]浙江大学建筑工程学院,浙江杭州310058 |
| 基金项目： | the Science Foundation of China Three Gorges University，Opening Foundation of the Environmental Engineering Key Discipline from Zhejiang University of Technology，NSFC，Ph.D. Discipline Foundation of the Ministry of Education of China，Jiangsu "333" Program for High Level Talent |
| 摘 要： | 四面体框架群（TFR）防护方法在我国的河流工程中正得到越来越多的应用，然而由于其复杂的几何形状，采用传统的量测手段准确量测四面体框架群内的流场遇到极大障碍，这限制了研究者对四面体防护方法的深入理解．本文利用CFD通用代码Fluent，建立了用于计算四面体框架群流速场和阻力大小的三维水动力数值模型．采用可实现κ-ε紊流模型封闭雷诺时均方程．研究表明该数值模型可以有效补充物理试验研究工作，有助于理解四面体框架复杂的三维流场和防护机理，分别给出了阻力系数CD与雷诺数Re以及升力系数CL与雷诺数Re的关系图． |
| 关 键 词： | 四面体框架 数值模拟 阻力 升力 |
Three-dimensional hydrodynamic model of concrete tetrahedral frame revetments |
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| Zhu Gao,Xing Li,Hong-wu Tang,Zheng-hua Gu.Three-dimensional hydrodynamic model of concrete tetrahedral frame revetments[J].Journal of Marine Science and Application,2009,8(4):338-342. | |
| Authors: | Zhu Gao Xing Li Hong-wu Tang Zheng-hua Gu |
| Institution: | 1. College of Civil & Hydroelectric Engineering, China Three Gorges University, Yichang, 443002, China 2. Ningbo Huitong Engineering Construction Co.Ltd, Ningbo, 315000, China 3. College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing, 210098, China 4. College of Civil Engineering and Architecture, Zhejiang University, Hangzhou, 310058, China |
| Abstract: | Revetments of concrete frame tetrahedrons are being used more and more in river engineering in China. Due to their complex geometry, it is difficult to measure the velocity fields inside them using traditional measurement methods. This limits understanding of their mechanics, potentially leading to suboptimal solutions. A 3-D hydrodynamic model based on the commercial computational fluid dynamics (CFD) code, Fluent, was developed to predict velocity fields and drags. The realizable k-? model was adopted for turbulent closure of the Reynolds averaged Navier Stokes (RANS) equations. The study demonstrates that the numerical model can effectively supplement experimental studies in understanding the complex flow fields and mechanics of concrete frame tetrahedron revetments. Graphs showing the drag coefficient C D versus Reynolds number Re and lift coefficient C L versus Reynolds number Re were produced. |
| Keywords: | concrete frame tetrahedrons numerical simulation drag lift |
| 本文献已被 维普 万方数据 SpringerLink 等数据库收录！ | |