期刊
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS
卷 69, 期 9, 页码 1496-1521出版社
WILEY-BLACKWELL
DOI: 10.1002/fld.2648
关键词
viscous flows; numerical verification; experimental validation; finite element solutions
类别
资金
- DICYT (USACH)
- CONICYT Fondecyt [1095028]
The experimental and numerical analysis of spheres falling into viscous flows is considered. The physical model is built using a set of silicone and glass spheres falling into oil and water. The rigid-body trajectory of the sphere and the free surface evolution are obtained from videos. The numerical results are obtained using two different finite element codes. The first code uses a fractional step approach with adaptive meshes and time-step sizes whereas the second code uses a monolithic fully coupled fixed-mesh technique. The results exhibit a good comparison between both numerical techniques and with the experiments. Copyright (C) 2011 John Wiley & Sons, Ltd.
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