Multiscale computing for science and engineering in the era of exascale performance

AG Hoekstra, B Chopard, D Coster… - … of the Royal …, 2019 - royalsocietypublishing.org
In this position paper, we discuss two relevant topics:(i) generic multiscale computing on
emerging exascale high-performing computing environments, and (ii) the scaling of such …

[HTML][HTML] Multiscale computing in the exascale era

S Alowayyed, D Groen, PV Coveney… - Journal of Computational …, 2017 - Elsevier
We expect that multiscale simulations will be one of the main high performance computing
workloads in the exascale era. We propose multiscale computing patterns as a generic …

An automatic CFD-based flow diverter optimization principle for patient-specific intracranial aneurysms

G Janiga, L Daróczy, P Berg, D Thévenin, M Skalej… - Journal of …, 2015 - Elsevier
The optimal treatment of intracranial aneurysms using flow diverting devices is a
fundamental issue for neuroradiologists as well as neurosurgeons. Due to highly irregular …

Computationally efficient reliability analysis of mechanisms based on a multiplicative dimensional reduction method

X Zhang, MD Pandey, Y Zhang - Journal of …, 2014 - asmedigitalcollection.asme.org
The paper presents a computationally efficient method for system reliability analysis of
mechanisms. The reliability is defined as the probability that the output error remains within …

Central moments multiple relaxation time LBM for hemodynamic simulations in intracranial aneurysms: An in-vitro validation study using PIV and PC-MRI

SA Hosseini, P Berg, F Huang, C Roloff… - Computers in Biology …, 2021 - Elsevier
The lattice Boltzmann method (LBM) has recently emerged as an efficient alternative to
classical Navier-Stokes solvers. This is particularly true for hemodynamics in complex …

Optimization of strut placement in flow diverter stents for four different aneurysm configurations

H Anzai, JL Falcone, B Chopard… - Journal of …, 2014 - asmedigitalcollection.asme.org
A modern technique for the treatment of cerebral aneurysms involves insertion of a flow
diverter stent. Flow stagnation, produced by the fine mesh structure of the diverter, is thought …

Towards the patient-specific design of flow diverters made from helix-like wires: an optimization study

M Zhang, H Anzai, B Chopard, M Ohta - Biomedical engineering online, 2016 - Springer
Background Flow diverter (FD) intervention is an emerging endovascular technique for
treating intracranial aneurysms. High flow-diversion efficiency is desired to accelerate …

A parametric study of flushing conditions for improvement of angioscopy visibility

K Mitsuzuka, Y Li, T Nakayama, H Anzai… - Journal of Functional …, 2022 - mdpi.com
During an angioscopy operation, a transparent liquid called dextran is sprayed out from a
catheter to flush the blood away from the space between the camera and target. Medical …

Virtual stenting for intracranial aneurysms: A risk-free, patient-specific treatment planning support for neuroradiologists and neurosurgeons

P Berg, L Daróczy, G Janiga - Computing and visualization for intravascular …, 2017 - Elsevier
With increasing computational resources, more and more engineering methods are applied
to medical-related problems in order to support physicians. One prominent example is the …

Three-dimensional hemodynamic design optimization of stents for cerebral aneurysms

CJ Lee, K Srinivas, Y Qian - Proceedings of the Institution of …, 2014 - journals.sagepub.com
Flow-diverting stents occlude aneurysms by diverting the blood flow from entering the
aneurysm sac. Their effectiveness is determined by the thrombus formation rate, which …