CONVEXITY OF THE FREE BOUNDARY FOR AN AXISYMMETRIC INCOMPRESSIBLE IMPINGING JET  

作　　者：王晓慧 Xiaohui WANG(College of Mathematics and Physics,and Geomathematics Key Laboratory of Sichuan Province,Chengdu University of Technology,Chengdu,610059,China)

机构地区：[1]College of Mathematics and Physics,and Geomathematics Key Laboratory of Sichuan Province,Chengdu University of Technology,Chengdu,610059,China

出　　处：《Acta Mathematica Scientia》2024年第1期234-246,共13页数学物理学报（B辑英文版）

基　　金：supported in part by the National Natural Science Foundation of China(12101088);the Natural Science Foundation of Sichuan Province(2022NSFSC1858)。

摘　　要：This paper is devoted to the study of the shape of the free boundary for a threedimensional axisymmetric incompressible impinging jet.To be more precise,we will show that the free boundary is convex to the fluid,provided that the uneven ground is concave to the fluid.

关 键 词：Euler system axisymmetric impinging jet INCOMPRESSIBLE free boundary CONVEXITY 

分 类 号：O358[理学—流体力学]