[HTML][HTML] Mechanisms of aortic dissection: from pathological changes to experimental and in silico models

M Rolf-Pissarczyk, R Schussnig, TP Fries… - Progress in Materials …, 2024 - Elsevier
Aortic dissection continues to be responsible for significant morbidity and mortality, although
recent advances in medical data assimilation and in experimental and in silico models have …

Implementing the discontinuous-Galerkin finite element method using graph neural networks with application to diffusion equations

L Li, J Xiang, B Chen, CE Heaney, S Dargaville… - Neural Networks, 2024 - Elsevier
Abstract Machine learning (ML) has benefited from both software and hardware
advancements, leading to increasing interest in capitalising on ML throughout academia …

[HTML][HTML] Matrix-free higher-order finite element methods for hyperelasticity

R Schussnig, N Fehn, P Munch… - Computer Methods in …, 2025 - Elsevier
This work presents a matrix-free finite element solver for finite-strain elasticity adopting an h
p-multigrid preconditioner. Compared to classical algorithms relying on a global sparse …

Geometric Uncertainty of Patient-Specific Blood Vessels and its Impact on Aortic Hemodynamics

D Bošnjak, R Schussnig, S Ranftl, GA Holzapfel… - arXiv preprint arXiv …, 2024 - arxiv.org
In the context of numerical simulations of the vascular system, local geometric uncertainties
have not yet been examined in sufficient detail due to model complexity and the associated …

High-order discontinuous Galerkin methods for computational acoustics and aeroacoustics

J Heinz - 2023 - repositum.tuwien.at
Acoustic wave propagation is often simulated by solving the scalar wave equation with finite
element methods. Following this approach is known for its tendency to significant numerical …

From anomalous dissipation through Euler singularities to stabilized finite element methods for turbulent flows

N Fehn, M Kronbichler, G Lube - 2024 - researchsquare.com
It is well-known that kinetic energy produced artificially by an inadequate numerical
discretization of nonlinear transport terms may lead to a blow-up of the numerical solution in …

High-performance implementation of H (div)-conforming elements for incompressible flows

N Wik - 2022 - diva-portal.org
In this thesis, evaluation of H (div)-conforming finite elements is implemented in a
highperformance setting and used to solve the incompressible Navier-Stokes equation …