摘要
To solve the problems concerning water entry of a structure, the RANS equations and volume of fluid （VOF） method are used. Combining the user-defined function （UDF） procedure with dynamic grids, the water impact on a structure in free fall is simulated, and the velocity, displacement and the pressure distribution on the structure are investigated. The results of the numerical simulation were compared with the experimental data, and solidly consistent results have been achieved, which validates the numerical model. Therefore, this method can be used to study the water impact problems of a structure.
基金
Foundation item： Supported by the of China （11302056）, China National Natural Science Foundation Postdoctoral Science Foundation （2013M540272）, Heilongjiang Postdoctoral Fund （LBH-ZI3051）, the Fundamental Research Funds for the Central Universities （HEUCF140116） and Research Fund of State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University （1309）.
作者简介
Qingtong Chen was born in 1987. He received his master＇s degree of engineering in the Design and Construction of Naval Architecture from Harbin Engineering University in 2012. He is an assistant engineer at China Helicopter Research and Development Institute. His research interests include Computational Fluid Dynamics and static tests.Baoyu Ni was born in 1986. He is a doctor and lecturer at the College of Shipbuilding Engineering, Harbin Engineering University. He was a visiting research scholar at University College London （UCL）. His current research interests are underwater bubble dynamics, and coupled fluid-structure analysis.
