基于混合模型的核电站防波堤越浪冲击研究  

Research on Wave Overtopping and Impacting on Breakwater of Nuclear Power Station by Using Hybrid-model Method

作　　者：王欢欢[1,2] 杨勋[1,2] 葛鸿辉[3] 余克勤[3] 金先龙[1,2] 

机构地区：[1]上海交通大学机械系统与振动国家重点实验室 [2]机械与动力工程学院,上海200240 [3]上海核工程研究设计院,上海200240

出　　处：《应用基础与工程科学学报》2015年第3期574-585,共12页Journal of Basic Science and Engineering

基　　金：国家自然科学基金项目(11072150);国家高技术研究发展计划(863计划)项目(2012AA01A307)

摘　　要：针对某核电站防波堤,提出了混合模型方法,该方法将局部仿真包含在整体仿真中,避免了局部模型分离带来的误差,弥补了以往宏观及微观无法兼顾的缺陷.研究了数值造波方法,建立了数值波浪水槽,利用边界造波法模拟了海浪的生成.利用ALE方法,解决了海浪与防波堤之间的流固耦合问题.建立了核电站防波堤三维整体有限元模型,模拟了海浪冲击防波堤的过程,分析了关键堤段挡浪墙的应力应变状况.同时模拟了防波堤的越浪过程,分析了不同堤段下的越浪量分布.通过实际计算验证,证明了该仿真方法的可行性.The hybrid-model method was proposed for a breakwater of nuclear power plant. In order to make up for the deficiency of giving consideration to macroscopic and microscopic,this method directly performs global simulation and local simulation together,and can avoid the deviation brought by boundary condition gained from global simulation. Theory of numerical wave maker was researched,and numerical wave tank was built. Fluid-structure interaction between breakwater and seawater was calculated by using ALE approach. Based on wave generation method of defining inlet boundary conditions,regular waves were simulated. Three-dimensional finite element model of breakwater of nuclear power plant was established. Wave overtopping and impacting on breakwater under different tidal was simulated,and the stress state of main breakwater sections was analyzed. This method is proved feasible through the actual calculation and application.

关 键 词：核电站 防波堤 混合模型 越浪冲击 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]