Zobrazeno 1 - 10
of 246
pro vyhledávání: '"Dedè, Luca"'
Autor:
Piersanti, Roberto, Bradley, Ryan, Alid, Syed Yusuf, Quarteroni, Alfio, Dede', Luca, Trayanova, Natalia A.
A key component in developing atrial digital twins (ADT) - virtual representations of patients' atria - is the accurate prescription of myocardial fibers which are essential for the tissue characterization. Due to the difficulty of reconstructing atr
Externí odkaz:
http://arxiv.org/abs/2410.11601
Two new calibration techniques of lumped-parameter mathematical models for the cardiovascular system
Autor:
Tonini, Andrea, Regazzoni, Francesco, Salvador, Matteo, Dede', Luca, Scrofani, Roberto, Fusini, Laura, Cogliati, Chiara, Pontone, Gianluca, Vergara, Christian, Quarteroni, Alfio
Cardiocirculatory mathematical models serve as valuable tools for investigating physiological and pathological conditions of the circulatory system. To investigate the clinical condition of an individual, cardiocirculatory models need to be personali
Externí odkaz:
http://arxiv.org/abs/2405.11915
Multiphysics simulations frequently require transferring solution fields between subproblems with non-matching spatial discretizations, typically using interpolation techniques. Standard methods are usually based on measuring the closeness between po
Externí odkaz:
http://arxiv.org/abs/2403.03665
Finite element-based high-order solvers of conservation laws offer large accuracy but face challenges near discontinuities due to the Gibbs phenomenon. Artificial viscosity is a popular and effective solution to this problem based on physical insight
Externí odkaz:
http://arxiv.org/abs/2402.16517
Autor:
Zappon, Elena, Salvador, Matteo, Piersanti, Roberto, Regazzoni, Francesco, Dede', Luca, Quarteroni, Alfio
When generating in-silico clinical electrophysiological outputs, such as electrocardiograms (ECGs) and body surface potential maps (BSPMs), mathematical models have relied on single physics, i.e. of the cardiac electrophysiology (EP), neglecting the
Externí odkaz:
http://arxiv.org/abs/2402.06308
Autor:
Africa, Pasquale C., Piersanti, Roberto, Regazzoni, Francesco, Bucelli, Michele, Salvador, Matteo, Fedele, Marco, Pagani, Stefano, Dede', Luca, Quarteroni, Alfio
Simulating the cardiac function requires the numerical solution of multi-physics and multi-scale mathematical models. This underscores the need for streamlined, accurate, and high-performance computational tools. Despite the dedicated endeavors of va
Externí odkaz:
http://arxiv.org/abs/2308.01651
Autor:
Salvador, Matteo, Strocchi, Marina, Regazzoni, Francesco, Dede', Luca, Niederer, Steven, Quarteroni, Alfio
Cardiac digital twins provide a physics and physiology informed framework to deliver predictive and personalized medicine. However, high-fidelity multi-scale cardiac models remain a barrier to adoption due to their extensive computational costs and t
Externí odkaz:
http://arxiv.org/abs/2306.05321
The accurate robust and efficient transfer of the deformation gradient tensor between meshes of different resolution is crucial in cardiac electromechanics simulations. We present a novel method that combines rescaled localized Radial Basis Function
Externí odkaz:
http://arxiv.org/abs/2306.00457
Autor:
Tonini, Andrea, Vergara, Christian, Regazzoni, Francesco, Dede', Luca, Scrofani, Roberto, Cogliati, Chiara, Quarteroni, Alfio
Publikováno v:
Sci. Rep. 14 (2024) 8304
Impaired cardiac function has been described as a frequent complication of COVID-19-related pneumonia. To investigate possible underlying mechanisms, we represented the cardiovascular system by means of a lumped-parameter 0D mathematical model. The m
Externí odkaz:
http://arxiv.org/abs/2305.06617
Predicting the evolution of systems that exhibit spatio-temporal dynamics in response to external stimuli is a key enabling technology fostering scientific innovation. Traditional equations-based approaches leverage first principles to yield predicti
Externí odkaz:
http://arxiv.org/abs/2305.00094