Performance of partitioned procedures in fluid-structure interaction

被引：110

作者：

Degroote, Joris ^{[1
]}

Haelterman, Robby ^{[2
]}

Annerel, Sebastiaan ^{[1
]}

Bruggeman, Peter ^{[3
]}

Vierendeels, Jan ^{[1
]}

机构：

[1] Univ Ghent, Dept Flow Heat & Combust Mech, B-9000 Ghent, Belgium

[2] Royal Mil Acad, Dept Math MWMW, B-1000 Brussels, Belgium

[3] Univ Ghent, Dept Appl Phys, B-9000 Ghent, Belgium

来源：

COMPUTERS & STRUCTURES | 2010年 / 88卷 / 7-8期

关键词：

Fluid-structure interaction; Partitioned; Quasi-Newton; Least-squares model; Aitken relaxation; Interface-GMRES(R); TRANSIENT SOLUTION; NEWTON ALGORITHM; MESH DEFORMATION; COUPLED SOLUTION; STABILITY; FLOWS; HEART; PARTICLE; SOLVERS; SYSTEMS;

D O I：

10.1016/j.compstruc.2009.12.006

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

Partitioned simulations of fluid-structure interaction can be solved for the interface's position with Newton-Raphson iterations but obtaining the exact Jacobian is impossible if the solvers are "black boxes". It is demonstrated that only an approximate Jacoblan is needed, as long as It describes the reaction to certain components of the error on the interface's position Based on this insight, a quasi-Newton coupling algorithm with an approximation for the inverse of the Jacobian (IQN-ILS) has been developed and compared with a monolithic solver in previous work. Here, IQN-ILS is compared with other partitioned schemes such as IBQN-LS, Aitken relaxation and Interface-GMRES(R). (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：446 / 457

页数：12

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