【摘要】 利用商业CFD软件对水下潜射航行体片状空泡的产生和发展进行了数值模拟研究,特别是对片状空泡的回注射流作了深入细致的分析.通过对CFD软件自定义函数的研究,将软件中的空化模型作了修改,利用修改的模型对片状空泡进行了数值模拟.通过修正前、后模型的模拟计算结果与实验结果的比较,后者与实验结果吻合较好.更多还原

【Abstract】 The numerical simulation of the sheet cavitating flow around the model were carried out with a commercial CFD and the detail analysis of re-entrant jet in the cavity closer region are presented in the present paper.By studying user-defined functions(UDFs),we modify the cavitation model implemented in a commercial code FLUENT 6.0 and model sheet cavity.The obtaining results and original simulated results are compared with experimental results.It is found that the comparison of modified simulated results with experimental results is a better agreement.更多还原