A nonlinear elimination preconditioned inexact Newton method for blood flow problems in human artery with stenosis

•We develop a nonlinear preconditioner for a realistic blood flow problem.•The problem includes patient-specific artery with stenosis and realistic parameters.•The algorithm includes an adaptive restricted region-based elimination strategy.•The algorithm scales well on a supercomputer with more than...

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Bibliographic Details
Published in:	Journal of computational physics Vol. 399; p. 108926
Main Authors:	Luo, Li, Shiu, Wen-Shin, Chen, Rongliang, Cai, Xiao-Chuan
Format:	Journal Article
Language:	English
Published:	Cambridge Elsevier Inc 15.12.2019 Elsevier Science Ltd
Subjects:	Algorithms Arteries Blood flow Blood flow problem Boundary conditions Computational fluid dynamics Computational physics Computer simulation Convergence Domain decomposition methods Finite element Finite element method Fluid flow Hemodynamics Incompressible flow Inexact Newton method Microprocessors Navier-Stokes equations with resistive boundary conditions Newton methods Nonlinear preconditioning Nonlinear programming Nonlinear systems Parallel computing Robustness (mathematics) Veins & arteries Inexact Newton method Parallel computing Blood flow problem Navier-Stokes equations with resistive boundary conditions Nonlinear preconditioning Finite element
ISSN:	0021-9991, 1090-2716
Online Access:	Get full text
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