大连理工大学学报Issue(6)：597-603,7.DOI:10.7511/dllgxb201406001
基于SPH方法的二维矩形舱液体晃荡数值研究
Numerical investigation of liquid sloshing in a 2D rectangular tank based on SPH method
摘要
Abstract
When the forced frequency is close to the natural frequency of the free surface,liquid can cause violent motion in the tank. Based on smoothed particle hydrodynamics (SPH ) method, numerical research on the liquid sloshing in a 2D rectangular tank under sway and roll excitations with shallow filling level is carried out at 4 forced frequencies near the resonant frequency of the free surface,respectively. Comparing the global free-surface profiles and the time histories of the slamming pressure for both numerical and experimental studies,it is found that SPH method can simulate the global free-surface scenarios,such as hydraulic jump,breaking wave and so on with large deformation motion.Furthermore,this numerical method can simulate and give a good prediction of the characteristics for the slamming pressure under non-resonant forced frequencies.It is suggested that two-phase simulation should be introduced in SPH method in order to simulate the violent liquid sloshing under resonant frequency.关键词
SPH 方法/矩形舱/冲击压力/共振频率/低载液率Key words
smoothed particle hydrodynamics (SPH)method/rectangular tank/slamming pressure/resonant frequency/shallow filling level分类
数理科学引用本文复制引用
卫志军,张文首,王安良,董玉山,胡方源,岳前进..基于SPH方法的二维矩形舱液体晃荡数值研究[J].大连理工大学学报,2014,(6):597-603,7.基金项目
国家科技重大专项资助项目(2011ZX05026-006-06) （2011ZX05026-006-06）
创新研究群体科学基金资助项目(50921001) （50921001）
