MULTI-LEVEL AND QUASI-NEWTON ACCELERATION FOR STRONGLY COUPLED PARTITIONED FLUID-STRUCTURE INTERACTION

被引：0
|
作者：
Kreeft, J. J. [1 ]
Weghs, M. [1 ]
Van Zuijlen, A. H. [1 ]
Bijl, H. [1 ]
机构：
[1] Delft Univ Technol, Fac Aerosp Engn, NL-2629 HS Delft, Netherlands
来源：
COMPUTATIONAL METHODS FOR COUPLED PROBLEMS IN SCIENCE AND ENGINEERING IV | 2011年
关键词：
Fluid-structure interaction; reduced order modeling; quasi-Newton coupling; multi-level acceleration; adaptivity; ALGORITHMS;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Two reduced order models are presented for the simulation of physically strong coupled fluid-structure interaction problem, based on computationally partitioned flow and structure solvers. The reduced order models used are a class of quasi-Newton coupling methods to obtain a stable solution and to reduce the number of subiterations. The second reduced order model is a multi-level acceleration in with coarse grid computations are performed in order to reduce computational costs. Finally an adaptive multi-level strategy is described, that contains an indicator for when to switch from coarse to fine grid level and vice versa.
引用
收藏
页码：873 / 884
页数：12
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