Numerical simulation of sphere water entry problem using Eulerian-Lagrangian method

被引:75
作者
Ahmadzadeh, M. [1 ]
Saranjam, B. [1 ]
Fard, A. Hoseini [1 ]
Binesh, A. R. [2 ]
机构
[1] Air Naval Res Ctr, Shiraz, Iran
[2] Shiraz Univ, Sch Mech Engn, Shiraz, Iran
关键词
Eulerian-Lagrangian; Impact; Sphere; Numerical method; CEL; SURFACE; IMPACT;
D O I
10.1016/j.apm.2013.09.005
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This paper looks at the hydrodynamic's numerical simulation of a free-falling sphere impacting the free surface of water by using the coupled Eulerian-Lagrangian (CEL) formulation included in the commercial software ABAQUS. A 3D model of a sphere with an unsteady viscous transient flow condition is used for numerical simulation. The simulation is performed for sphere with different density. The simulation results are verified by showing the computed shape of the air cavity, displacement of sphere, pinch-off time and depth that agree well with experimental results. (C) 2013 Elsevier Inc. All rights reserved.
引用
收藏
页码:1673 / 1684
页数:12
相关论文
共 23 条
[1]   PRESSURE MEASUREMENTS IN WATER-ENTRY CAVITY [J].
ABELSON, HI .
JOURNAL OF FLUID MECHANICS, 1970, 44 (OCT) :129-&
[2]   The water entry of decelerating spheres [J].
Aristoff, Jeffrey M. ;
Truscott, Tadd T. ;
Techet, Alexandra H. ;
Bush, John W. M. .
PHYSICS OF FLUIDS, 2010, 22 (03) :1-8
[3]  
Asfar K., 1987, P 6 INT OFFSH MECH A, P105
[4]  
Battistin D., 2003, J FLUIDS STRUCT, V17
[6]   FLUID FLOW PATTERNS [J].
BIRKHOFF, G ;
CAYWOOD, TE .
JOURNAL OF APPLIED PHYSICS, 1949, 20 (07) :646-659
[7]  
Birkhoff G., 1957, Jets, Wakes and Cavities
[8]  
Birkhoff G., 1951, Transient cavities in air-water entry. Navord Report 1490
[9]  
Cointe R., 1989, J. Offshore Mech. Arct. Eng, V111, P109, DOI [10.1115/1.3257083, DOI 10.1115/1.3257083]
[10]   Hydrodynamic loads during early stage of flat plate impact onto water surface [J].
Iafrati, Alessandro ;
Korobkin, Alexander A. .
PHYSICS OF FLUIDS, 2008, 20 (08)