[HTML][HTML] Electro-mechanical whole-heart digital twins: a fully coupled multi-physics approach

T Gerach, S Schuler, J Fröhlich, L Lindner… - Mathematics, 2021 - mdpi.com
Mathematical models of the human heart are evolving to become a cornerstone of precision
medicine and support clinical decision making by providing a powerful tool to understand …

[HTML][HTML] Electromechanical modeling of human ventricles with ischemic cardiomyopathy: numerical simulations in sinus rhythm and under arrhythmia

M Salvador, M Fedele, PC Africa, E Sung… - Computers in Biology …, 2021 - Elsevier
We developed a novel patient-specific computational model for the numerical simulation of
ventricular electromechanics in patients with ischemic cardiomyopathy (ICM). This model …

AugmentA: Patient-specific augmented atrial model generation tool

L Azzolin, M Eichenlaub, C Nagel, D Nairn… - … Medical Imaging and …, 2023 - Elsevier
Digital twins of patients' hearts are a promising tool to assess arrhythmia vulnerability and to
personalize therapy. However, the process of building personalized computational models …

A comprehensive mathematical model for cardiac perfusion

A Zingaro, C Vergara, L Dede', F Regazzoni… - Scientific Reports, 2023 - nature.com
The aim of this paper is to introduce a new mathematical model that simulates myocardial
blood perfusion that accounts for multiscale and multiphysics features. Our model …

A matrix–free high–order solver for the numerical solution of cardiac electrophysiology

PC Africa, M Salvador, P Gervasio, L Dede… - Journal of …, 2023 - Elsevier
We propose a matrix–free solver for the numerical solution of the cardiac electrophysiology
model consisting of the monodomain nonlinear reaction–diffusion equation coupled with a …

Comparison of propagation models and forward calculation methods on cellular, tissue and organ scale atrial electrophysiology

C Nagel, CB Espinosa, K Gillette… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Objective: The bidomain model and the finite element method are an established standard
to mathematically describe cardiac electrophysiology, but are both suboptimal choices for …

Efficient time splitting schemes for the monodomain equation in cardiac electrophysiology

LP Lindner, T Gerach, T Jahnke… - International Journal …, 2023 - Wiley Online Library
Approximating the fast dynamics of depolarization waves in the human heart described by
the monodomain model is numerically challenging. Splitting methods for the PDE‐ODE …

Balancing conduction velocity error in cardiac electrophysiology using a modified quadrature approach

LA Woodworth, B Cansız… - International journal for …, 2022 - Wiley Online Library
Conduction velocity error is often the main culprit behind the need for very fine spatial
discretizations and high computational effort in cardiac electrophysiology problems. In light …

Simulation of processes and structures in the synapse in the context of tetrahedral mesh quality

M Gierdziewicz - Computers & Mathematics with Applications, 2023 - Elsevier
Biological structures are hierarchical and non-homogeneous objects. In particular, in each
type of the biological cell various organelles exist. Also, in the cell many nonlinear …

Fast and reliable reduced‐order models for cardiac electrophysiology

S Chellappa, B Cansız, L Feng, P Benner… - GAMM …, 2023 - Wiley Online Library
Mathematical models of the human heart increasingly play a vital role in understanding the
working mechanisms of the heart, both under healthy functioning and during disease. The …