作者
Fabio Nobile, Matteo Pozzoli, Christian Vergara
发表日期
2013/11/5
期刊
Computers & Fluids
卷号
86
页码范围
470-482
出版商
Pergamon
简介
In this work we deal with the numerical solution of the fluid–structure interaction problem arising in the haemodynamic environment. In particular, we consider BDF and Newmark time discretization schemes, and we study different methods for the treatment of the fluid–structure interface position, focusing on partitioned algorithms for the prescription of the physical continuity conditions at the fluid–structure interface. We consider semi-implicit and implicit algorithms, and a new family of hybrid methods. We study numerically the performance and the accuracy of these schemes, highlighting the best solutions for haemodynamic applications. We also study numerically their convergence properties with respect to time discretization, by introducing an analytical test case.
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