基于CIP法的波物相互作用强非线性数值模拟  

Extremely nonlinear simulation of wave-structure interaction based on CIP method

作　　者：王佳东 何广华[1,2] 张德贺 

机构地区：[1]哈尔滨工业大学(威海)船舶与海洋工程学院,威海264209 [2]卫星海洋环境动力学国家重点实验室(国家海洋局第二海洋研究所),杭州310012

出　　处：《水动力学研究与进展（A辑）》2016年第5期542-548,共7页Chinese Journal of Hydrodynamics

基　　金：水沙科学与水灾害防治湖南省重点实验室基金(2015SS02);卫星海洋环境动力学国家重点实验室开放研究基金(SOED1514)~~

摘　　要：极端波浪环境作用下,浮体易发生上浪拍击等强非线性现象,这一问题也是波浪与浮体相互作用研究的难点之一。该文基于高阶CIP(Constrained Interpolation Profile)法,采用THINC(Tangent of Hyperbola for Interface Capturing)数值技术精确捕捉自由液面,建立了二维多相流强非线性数值水槽模型。通过模拟线性波和孤立波的生成、传播过程,对该模型的收敛性、稳定性及造波性能进行了全面的验证与分析。利用该数值模型模拟和分析了极端波浪对浮体的强非线性作用。Wave-structure extremely nonlinear phenomenon such as green water is difficult to be simulated and analyzed. By employing the CIP（Constrained Interpolation Profile） method, a 2-D multiphase-flow numerical wave tank model is established which can accurately compute free surface by THINC（Tangent of Hyperbola for interface Capturing） technology andhandle the extremely nonlinear problems. The numerical convergen ce, numerical stability and wave-generation performance of this numerical model are systematically validated and analyzed by simulating the generation and propagation of linear waves and solitary waves. Based on the numerical wave tank, extremely nonlin ear interaction between the extreme waves and floating body is evaluated.

关 键 词：CIP法 强非线性 数值水槽 水动力 

分 类 号：O242.1[理学—计算数学]