Monolithic Arbitrary Lagrangian-Eulerian Finite Element Method for a Multi-domain Blood Flow-Aortic Wall Interaction Problem

被引：2
|
作者：
Sun, Pengtao [1 ]
Zhang, Chen-Song [2 ,3 ]
Lan, Rihui [1 ]
Li, Lin [4 ]
机构：
[1] Univ Nevada, Dept Math Sci, 4505 Maryland Pkwy, Las Vegas, NV 89154 USA
[2] Acad Math & Syst Sci, LSEC, Beijing, Peoples R China
[3] Acad Math & Syst Sci, NCMIS, Beijing, Peoples R China
[4] Peking Univ, Dept Math, Beijing, Peoples R China
来源：
COMPUTATIONAL SCIENCE - ICCS 2020, PT VII | 2020年 / 12143卷
关键词：
Cardiovascular fluid-structure interaction (FSI); Multi-domain; Vascular aneurysm; Stent graft; Arbitrary Lagrangian-Eulerian (ALE); Mixed finite element; ROTATING STRUCTURE; FLUID;
D O I：
10.1007/978-3-030-50436-6_5
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In this paper, an arbitrary Lagrangian-Eulerian (ALE) finite element method in the monolithic approach is developed for a multi-domain blood flow-aortic wall interaction problem with multiple moving interfaces. An advanced fully discrete ALE-mixed finite element approximation is defined to solve the present fluid-structure interaction (FSI) problem in the cardiovascular environment, in which two fields of structures are involved with two fields of fluid flow, inducing three moving interfaces in between for the interactions. Numerical experiments are carried out for a realistic cardiovascular problem with the implantation of vascular stent graft to demonstrate the strength of our developed ALE-mixed finite element method.
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页码：60 / 74
页数：15
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