Numerical Simulations For Non Conservative Hyperbolic System. Application to Transient Two-Phase Flow with Cavitation Phenomenon

被引:3
作者
Achchab, Boujemaa [1 ]
Agouzal, Abdellatif [2 ]
Qadi El Idrissi, Abdelmjid [1 ]
机构
[1] Univ Hassan 1, Natl Sch Appl Sci, Berrechid 218, Morocco
[2] Univ Claude Bernard, Inst Camille Jordan, CNRS, Lyon, France
关键词
non conservative system; MacCormack scheme; hyperbolic system; two phase flow; cavitation; SCHEME;
D O I
10.3846/mma.2019.015
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
A numerical method for simulating transient flows of gas-liquid mixtures is proposed. The mathematical model, established for a suspension of gas bubbles in liquid, includes an equation taking into account the relative velocity between the gas and liquid. A numerical technique based on the MacCormack scheme combined with the method of characteristics for the boundary conditions is presented. Theoretical results for transients initiated by a rapid closing valves are compared with measurements. A good agreement is found particularly for large values of initial dissolved gas concentration.
引用
收藏
页码:218 / 235
页数:18
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