二维数值波浪水槽在FLUENT中的实现  

Generation of the two dimensional numerical wave tank based on the software FLUENT

作　　者：封星[1] 吴宛青[1] 吴文锋[1] 张成兴[2] 

机构地区：[1]大连海事大学轮机工程学院,辽宁大连116026 [2]大连理工大学海岸和近海工程国家重点实验室,辽宁大连116024

出　　处：《大连海事大学学报》2010年第3期94-96,101,共4页Journal of Dalian Maritime University

摘　　要：为在波浪水槽内得到稳定的、重复性良好的波动过程,基于N-S方程和标准k-ε湍流模型,采用VOF方法追踪自由面,利用CFD商业软件FLUENT建立同时具有造波和消波功能的二维数值波浪水槽.基于线性波浪理论和UDF实现动边界造波和定义水质点速度造波,同时,在数值波浪水槽尾端通过在动量方程中添加附加源项的方法实现动量源消波.计算结果表明,基于FLUENT软件实现的二维数值波浪水槽工作特性良好.To obtain the highly stable and repeated waves in wave tank,the volume of fluid（VOF） method was used to track the free surface based on the N-S equations and the standard k-ε turbulence model,and a two dimensional numerical wave tank （NWT） with functions of generating and absorbing wave was established by utilizing the commercial CFD software FLUENT.The wave-generating is achieved respectively by using the method moving boundary and the method defining velocity of water particle on the basis of linear theory of wave and the UDF function of the secondary development,meanwhile,the additive sources in the momentum equation were used to absorb waves at the end of wave tank.Results show that the proposed numerical wave tank based on software FLUENT is effective.

关 键 词：波浪水力学 数值波浪水槽 流体体积(VOF)方法 造波 消波 

分 类 号：TV139.2[水利工程—水力学及河流动力学]