摘要
应用三步有限元法结合大涡模拟方法（ＬＥＳ）离散非定常不可压流动的Ｎａｖｉｅｒ－Ｓｔｏｋｅｓ方程，模拟了波浪场中海底管线周围流场及其受力情况，并把数值模拟的结果与物理实验的实测结果进行了比较，两者符合较好．为了检验三维效应的影响，同时进行了二维和三维流场的数值模拟．
-A three-step finite element method (FEM) and a large eddy simulation (LES) are applied to incompressible turbulentflow around a seabed pipeline in relative high Reynolds number. Both two-dimensional and three-dimensional numerical simulationsare carried out to determine the three-dimensional effect. The results of numerical simulation agree quite well with the wave forcesacting on pipeline model measured in physical model test.
出处
《海洋学报》
CAS
CSCD
北大核心
1999年第6期87-93,共7页
基金
大连理工大学海岸和近海工程国家重点实验室资助!Lp9401
关键词
三步有限元
大涡模拟
海底管线
波浪力
Three-step finite element method, large eddy simulation, seabed pipeline, three-dimensional effect
