Search Results for author: Matteo Salvador

Found 4 papers, 1 papers with code

Branched Latent Neural Maps

1 code implementation4 Aug 2023 Matteo Salvador, Alison Lesley Marsden

We show the capabilities of BLNMs in a challenging test case involving electrophysiology simulations in a biventricular cardiac model of a pediatric patient with hypoplastic left heart syndrome.

Real-time whole-heart electromechanical simulations using Latent Neural Ordinary Differential Equations

no code implementations8 Jun 2023 Matteo Salvador, Marina Strocchi, Francesco Regazzoni, Luca Dede', Steven Niederer, Alfio Quarteroni

The trained LNODEs provides a compact and efficient representation of the 3D-0D model in a latent space by means of a feedforward fully-connected Artificial Neural Network that retains 3 hidden layers with 13 neurons per layer and allows for 300x real-time numerical simulations of the cardiac function on a single processor of a standard laptop.

Uncertainty Quantification

Latent Dynamics Networks (LDNets): learning the intrinsic dynamics of spatio-temporal processes

no code implementations28 Apr 2023 Francesco Regazzoni, Stefano Pagani, Matteo Salvador, Luca Dede', Alfio Quarteroni

We propose a novel architecture, named Latent Dynamics Network (LDNet), which is able to discover low-dimensional intrinsic dynamics of possibly non-Markovian dynamical systems, thus predicting the time evolution of space-dependent fields in response to external inputs.

Dimensionality Reduction

A cardiac electromechanics model coupled with a lumped parameters model for closed-loop blood circulation. Part II: numerical approximation

no code implementations30 Nov 2020 Francesco Regazzoni, Matteo Salvador, Pasquale Claudio Africa, Marco Fedele, Luca Dede', Alfio Quarteroni

In the framework of accurate and efficient segregated schemes for 3D cardiac electromechanics and 0D cardiovascular models, we propose here a novel numerical approach to address the coupled 3D-0D problem introduced in Part I of this two-part series of papers.

Numerical Analysis Numerical Analysis

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