A Lagrange scheme for a mathematical model of powder compression

被引:0
|
作者
Godinaud, G [1 ]
Le Roux, MN [1 ]
Le Roux, AY [1 ]
机构
[1] Univ Bordeaux 1, UFR Math Info, GRAMM, F-33405 Talence, France
来源
SIAM JOURNAL ON SCIENTIFIC COMPUTING | 2001年 / 23卷 / 04期
关键词
nonconservative hyperbolic systems; conservative hyperbolic systems; splitting techniques; Lagrange method; pressure terms; diffusion terms;
D O I
10.1137/S1064827597233743
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
A mathematical model to simulate the compression of pharmaceutical powder under fixed deformation is proposed. This model is an hydrodynamic one, completed with the description of the porosity in the medium. This study leads to the elaboration of a general monodimensional model, made of three nonlinear partial derivative equations and a state law for the pressure. The mathematical resolution of this system is made using a splitting technique and an efficient numerical method.
引用
收藏
页码:1094 / 1112
页数:19
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