Multiscale modeling of cardiovascular flows for clinical decision support

AL Marsden… - Applied …, 2015 - asmedigitalcollection.asme.org
Patient-specific cardiovascular simulations can provide clinicians with predictive tools, fill
current gaps in clinical imaging capabilities, and contribute to the fundamental …

Recent developments in variational multiscale methods for large-eddy simulation of turbulent flow

U Rasthofer, V Gravemeier - Archives of Computational Methods in …, 2018 - Springer
The variational multiscale method is reviewed as a framework for developing computational
methods for large-eddy simulation of turbulent flow. In contrast to other articles reviewing this …

[图书][B] Fluid-structure interaction and biomedical applications

T Bodnár, GP Galdi, Š Nečasová - 2014 - Springer
Fluid–structure interaction (FSI) is among the most popular and intriguing problems in
applied sciences. Their range of interest covers many significant areas of research including …

Benchmark problems for numerical treatment of backflow at open boundaries

C Bertoglio, A Caiazzo, Y Bazilevs… - … journal for numerical …, 2018 - Wiley Online Library
In computational fluid dynamics, incoming velocity at open boundaries, or backflow, often
yields unphysical instabilities already for moderate Reynolds numbers. Several treatments …

A face‐oriented stabilized Nitsche‐type extended variational multiscale method for incompressible two‐phase flow

B Schott, U Rasthofer, V Gravemeier… - … Journal for Numerical …, 2015 - Wiley Online Library
A novel extended variational multiscale method for incompressible two‐phase flow is
proposed. In this approach, the level‐set method, which allows for accurately representing …

Coupled and reduced dimensional modeling of respiratory mechanics during spontaneous breathing

M Ismail, A Comerford, WA Wall - International journal for …, 2013 - Wiley Online Library
In this paper, we develop a total lung model based on a tree of 0D airway and acinar models
for studying respiratory mechanics during spontaneous breathing. This model utilizes both …

Airflow and Particle Deposition Simulations in Health and Emphysema: From In Vivo to In Silico Animal Experiments

JM Oakes, AL Marsden, C Grandmont… - Annals of biomedical …, 2014 - Springer
Image-based in silico modeling tools provide detailed velocity and particle deposition data.
However, care must be taken when prescribing boundary conditions to model lung …

The effect of airway motion and breathing phase during imaging on CFD simulations of respiratory airflow

CC Gunatilaka, A Schuh, NS Higano, JC Woods… - Computers in biology …, 2020 - Elsevier
Rationale Computational fluid dynamics (CFD) simulations of respiratory airflow can quantify
clinically useful information that cannot be obtained directly, such as the work of breathing …

Adaptive time stepping for fluid-structure interaction solvers

M Mayr, WA Wall, MW Gee - Finite Elements in Analysis and Design, 2018 - Elsevier
A novel adaptive time stepping scheme for fluid-structure interaction (FSI) problems is
proposed that allows for controlling the accuracy of the time-discrete solution. Furthermore, it …

On the stability of projection methods for the incompressible Navier–Stokes equations based on high-order discontinuous Galerkin discretizations

N Fehn, WA Wall, M Kronbichler - Journal of Computational Physics, 2017 - Elsevier
The present paper deals with the numerical solution of the incompressible Navier–Stokes
equations using high-order discontinuous Galerkin (DG) methods for discretization in space …