Calculation of pressure in a mushy zone

被引：0
|
作者：
Heinrich, JC [1 ]
McBride, E [1 ]
机构：
[1] Univ Arizona, Dept Aerosp & Mech Engn, Tucson, AZ 85721 USA
来源：
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING | 2000年 / 47卷 / 1-3期
关键词：
dendrite solidification; mushy zone; pressure; penalty method;
D O I：
10.1002/(SICI)1097-0207(20000110/30)47:1/3<735::AID-NME791>3.3.CO;2-A
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The difficulties associated with the correct approximation of the pressure in numerical simulations of directional solidification are examined. The suitability of methods available to calculate pressure in the presence of a mushy zone where how induced by density differences due to change of phase, or 'shrink age', occurs is discussed, and a viable method of calculation based on the penalty function formulation is proposed. Results of calculations for flows under reduced and normal gravity environments are presented. Copyright (C) 2000John Wiley & Sons, Ltd.
引用
收藏
页码：735 / 747
页数：13
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