User profiles for Kent-Andre Mardal

Kent-Andre Mardal

Professor, Dep. of Mathematics, University of Oslo, Scientist Simula Research Lab …
Verified email at math.uio.no
Cited by 10502

A robust finite element method for Darcy--Stokes flow

KA Mardal, XC Tai, R Winther - SIAM Journal on Numerical Analysis, 2002 - SIAM
Finite element methods for a family of systems of singular perturbation problems of a saddle
point structure are discussed. The system is approximately a linear Stokes problem when …

Preconditioning discretizations of systems of partial differential equations

KA Mardal, R Winther - Numerical Linear Algebra with …, 2011 - Wiley Online Library
This survey paper is based on three talks given by the second author at the London Mathematical
Society Durham Symposium on Computational Linear Algebra for Partial Differential …

[BOOK][B] Automated solution of differential equations by the finite element method: The FEniCS book

A Logg, KA Mardal, G Wells - 2012 - books.google.com
This book is a tutorial written by researchers and developers behind the FEniCS Project and
explores an advanced, expressive approach to the development of mathematical software. …

Computation of hemodynamics in the circle of Willis

MS Alnæs, J Isaksen, KA Mardal, B Romner… - Stroke, 2007 - Am Heart Assoc
Background and Purpose— Wall shear stress (WSS) and pressure are important factors in the
development of cerebral aneurysms. We aimed to develop a computational fluid dynamics …

[BOOK][B] Computing the electrical activity in the heart

J Sundnes, GT Lines, X Cai, BF Nielsen, KA Mardal… - 2007 - books.google.com
The heart is a fantastic machine; during a normal lifetime it beats about 2.5 billion times and
pumps 200.000 tons of blood through an enormous system of vessels extending 160.000 …

Interstitial solute transport in 3D reconstructed neuropil occurs by diffusion rather than bulk flow

…, EA Nagelhus, KA Mardal… - Proceedings of the …, 2017 - National Acad Sciences
The brain lacks lymph vessels and must rely on other mechanisms for clearance of waste
products, including amyloid β that may form pathological aggregates if not effectively cleared. It …

Direct numerical simulation of transitional flow in a patient-specific intracranial aneurysm

K Valen-Sendstad, KA Mardal, M Mortensen… - Journal of …, 2011 - Elsevier
In experiments turbulence has previously been shown to occur in intracranial aneurysms.
The effects of turbulence induced oscillatory wall stresses could be of great importance in …

[HTML][HTML] Brain-wide glymphatic enhancement and clearance in humans assessed with MRI

…, AH Pripp, SAS Vatnehol, KE Emblem, KA Mardal… - JCI insight, 2018 - ncbi.nlm.nih.gov
To what extent does the subarachnoid cerebrospinal fluid (CSF) compartment communicate
directly with the extravascular compartment of human brain tissue? Interconnection between …

[PDF][PDF] The glymphatic system: Current understanding and modeling

…, V Kiviniemi, T Lilius, I Lundgaard, KA Mardal… - IScience, 2022 - cell.com
We review theoretical and numerical models of the glymphatic system, which circulates
cerebrospinal fluid and interstitial fluid around the brain, facilitating solute transport. Models …

Sleep deprivation impairs molecular clearance from the human brain

PK Eide, V Vinje, AH Pripp, KA Mardal, G Ringstad - Brain, 2021 - academic.oup.com
It remains an enigma why human beings spend one-third of their life asleep. Experimental
data suggest that sleep is required for clearance of waste products from brain metabolism. …