Model reduction techniques for fast blood flow simulation in parametrized geometries

A Manzoni, A Quarteroni… - International journal for …, 2012 - Wiley Online Library
In this paper, we propose a new model reduction technique aimed at real‐time blood flow
simulations on a given family of geometrical shapes of arterial vessels. Our approach is …

[HTML][HTML] Model order reduction of flow based on a modular geometrical approximation of blood vessels

L Pegolotti, MR Pfaller, AL Marsden… - Computer methods in …, 2021 - Elsevier
We are interested in a reduced order method for the efficient simulation of blood flow in
arteries. The blood dynamics is modeled by means of the incompressible Navier–Stokes …

Simulation of blood flow in deformable vessels using subject‐specific geometry and spatially varying wall properties

G Xiong, CA Figueroa, N Xiao… - International journal for …, 2011 - Wiley Online Library
Simulation of blood flow using image‐based models and computational fluid dynamics has
found widespread application to quantifying hemodynamic factors relevant to the initiation …

Modelling pipeline for subject‐specific arterial blood flow—a review

I Sazonov, SY Yeo, RLT Bevan, X Xie… - International Journal …, 2011 - Wiley Online Library
In this paper, a robust and semi‐automatic modelling pipeline for blood flow through subject‐
specific arterial geometries is presented. The framework developed consists of image …

Automated generation of 0D and 1D reduced‐order models of patient‐specific blood flow

MR Pfaller, J Pham, A Verma, L Pegolotti… - … journal for numerical …, 2022 - Wiley Online Library
Abstract Three‐dimensional (3D) cardiovascular fluid dynamics simulations typically require
hours to days of computing time on a high‐performance computing cluster. One …

[图书][B] Level set methods for computational prototyping with application to hemodynamic modeling

KCY Wang - 2001 - search.proquest.com
Geometry is a primary determinant of hemodynamic conditions, including complex
recirculating flow patterns which are hypothesized to be responsible for the localization of …

Augmented Lagrangian method for constraining the shape of velocity profiles at outlet boundaries for three-dimensional finite element simulations of blood flow

HJ Kim, CA Figueroa, TJR Hughes, KE Jansen… - Computer Methods in …, 2009 - Elsevier
In three-dimensional blood flow simulations of the cardiovascular system, velocity and
pressure fields in the computational domain are highly affected by outlet boundary …

A computational framework for derivative-free optimization of cardiovascular geometries

AL Marsden, JA Feinstein, CA Taylor - Computer methods in applied …, 2008 - Elsevier
Predictive simulation and optimization-based design tools have great potential to improve
the design of surgeries and interventions used in cardiovascular medicine. The present work …

A parameter estimation framework for patient-specific hemodynamic computations

L Itu, P Sharma, T Passerini, A Kamen, C Suciu… - Journal of …, 2015 - Elsevier
We propose a fully automated parameter estimation framework for performing patient-
specific hemodynamic computations in arterial models. To determine the personalized …

Group-wise construction of reduced models for understanding and characterization of pulmonary blood flows from medical images

R Guibert, K Mcleod, A Caiazzo, T Mansi… - Medical image …, 2014 - Elsevier
Abstract 3D computational fluid dynamics (CFD) in patient-specific geometries provides
complementary insights to clinical imaging, to better understand how heart disease, and the …