dealii-X: an Exascale Framework for Digital Twins of the Human Body

Informations projet

dealii-X

N° de convention de subvention: 101172493

DOI

10.3030/101172493

Date de signature de la CE 11 Octobre 2024

Date de début 1 Octobre 2024

Date de fin 31 Decembre 2026

Financé au titre de

• Digital, Industry and Space

Coût total

€ 3 939 780,00

Contribution de l’UE

€ 1 969 890,02

Coordonné par

RUHR-UNIVERSITAET BOCHUM
Germany

CORDIS fournit des liens vers les livrables publics et les publications des projets HORIZON.

Les liens vers les livrables et les publications des projets du 7e PC, ainsi que les liens vers certains types de résultats spécifiques tels que les jeux de données et les logiciels, sont récupérés dynamiquement sur OpenAIRE .

Livrables

Documents, reports (13)

Report on applications improvements - II semester

Report on enhancements made to the digital twin applications (lungs, heart, brain, liver, mechanobiology)

Project Management Handbook

This document will provide an overview ofthe management and administrative procedures of the project in order to ensure efficient project execution as well as high quality project results.

Report on deal.II improvements - III semester

Report on enhancements made to deal.II for exascale readiness, including matrix-freeGPU integration, highperformance matrix assembly, and performances of polygonal discretization.

Public website

The public website will be considered in this deliverable. It will subsequently be maintained and updated to reflect the project’s life.

Report on applications improvements - I semester

Report on enhancements made to the digital twin applications (lungs, heart, brain, liver,mechanobiology)

Connect to other CoE

This deliverable aims to connect the project dealii-X with other CoE, by the following measures: Set up cross-project workshop and joint webinars to foster collaboration and a platform to learn from other projects, establish a plan that indicates when to join other project's meetings. The BADW-LRZ will use contacts through EuroCC to reach this goal.

Report on deal.II improvements - I semester

Report on enhancements made to deal.II for exascale readiness, including matrix-free GPU integration, highperformance matrix assembly, and performances of polygonal discretization.

Co-Design and Energy Efficiency Report - I

Comprehensive report on co-design activities, technology exploitation, and energy efficiency, including profiling runs and hardware benchmarking.

Design of the PoC platform

Report on workflow, dataflow and user experience for the PoC platform

Communication and Dissemination Plan

The document will define the goals and means of the communication and dissemination activities for the entire lifetime of the project. It may be updated during the project if needed.

Progress Report

This report on the progress of the project will be based on the Guidelines provided by the European Commission as in the article 20.3 of the H2020 annotated Model Grant agreement - without cost statements

Report on applications improvements - III semester

Report on enhancements made to the digital twin applications (lungs, heart, brain, liver, mechanobiology)

Enhancements in Pre-Exascale Modules

Report on improvements in pre-exascale modules of deal.II, including meshing improvements, coupling operators, and polygonal discretization

Demonstrators, pilots, prototypes (3)

Integration of performance measuring tools

The goal of this deliverable is to provide a software framework demonstrator for the performance analysis of large-scale simulations on accelerator platforms of the EuroHPC environment, applicable to a broad range of European supercomputers as accessible via BADW-LRZ, such as JUPITER, LUMI, LEONARDO, MareNostrum and addition to LRZ's own supercomputer system.

Polygonal Discretization in deal.II - I

Tutorial program on polygonal discretization forming a demonstrator for the advanced discretization capabilities.

Tutorials based on external libraries

Toolkits and tutorials demonstrating the integration of PSCToolkit and MUMPS with the deal.II software in the form of a demonstrator.

Data Management Plan (1)

Data Management Plan

This deliverable aims to provide a data management plan according to the description in Annex B.

Websites, patent fillings, videos etc. (1)

External libraries integration

API Documentation of the interface to external libraries (MUMPS, GMSH, and PSCToolkit)

Publications

Peer reviewed articles (13)

The lifex Library Version 2.0

Auteurs: Michele Bucelli
Publié dans: ACM Transactions on Mathematical Software, Numéro 51, 2025, ISSN 0098-3500
Éditeur: Association for Computing Machinery (ACM)
DOI: 10.1145/3748817

Coupling Models of Resistive Valves to Muscle Mechanics in Cardiac Fluid–Structure Interaction Simulations

Auteurs: Michele Bucelli, Luca Dede
Publié dans: International Journal for Numerical Methods in Biomedical Engineering, Numéro 41, 2025, ISSN 2040-7939
Éditeur: Wiley
DOI: 10.1002/CNM.70119

Matrix‐Free Methods for Finite‐Strain Elasticity: Automatic Code Generation With No Performance Overhead

Auteurs: Michał Wichrowski, Mohsen Rezaee‐Hajidehi, Jože Korelc, Martin Kronbichler, Stanisław Stupkiewicz
Publié dans: International Journal for Numerical Methods in Engineering, Numéro 126, 2025, ISSN 0029-5981
Éditeur: Wiley
DOI: 10.1002/NME.70166

Journal of Computational Physics

Auteurs: Feder, Marco; Cangiani, Andrea; Heltai, Luca
Publié dans: Journal of Computational Physics, Numéro 526, 2025, ISSN 0021-9991
Éditeur: Academic Press
DOI: 10.13140/RG.2.2.17560.81927

A thermodynamically consistent formulation for solid-state batteries at finite strains

Auteurs: L. Cabras, A. Salvadori, M. Serpelloni
Publié dans: Proceedings of the Royal Society A Mathematical Physical and Engineering Science, Numéro 482, 2026, ISSN 1364-5021
Éditeur: The Royal Society
DOI: 10.1098/RSPA.2025.0822

Poro-viscoelastic mechanical characterization of healthy and osteoarthritic human articular cartilage

Auteurs: Jessica Faber, Alexander Greiner, Paula Büttner, Chiara Schoppe, Lars Bräuer, Friedrich Paulsen, Torsten Blunk, Mario Perl, Marcel Betsch, Silvia Budday
Publié dans: Journal of the Mechanical Behavior of Biomedical Materials, Numéro 173, 2026, ISSN 1751-6161
Éditeur: Elsevier BV
DOI: 10.1016/J.JMBBM.2025.107226

The deal.II library, version 9.7

Auteurs: Daniel Arndt, Wolfgang Bangerth, Maximilian Bergbauer, Bruno Blais, Marc Fehling, Rene Gassmöller, Timo Heister, Luca Heltai, Martin Kronbichler, Matthias Maier, Peter Munch, Sam Scheuerman, Bruno Turcksin, Siarhei Uzunbajakau, David Wells, Michał Wichrowski
Publié dans: Journal of Numerical Mathematics, Numéro 33, 2025, ISSN 1570-2820
Éditeur: Walter de Gruyter GmbH
DOI: 10.1515/JNMA-2025-0115

A conservative Mixed Finite Element Method for a Regularised Nonlinear Long-Wave Model

Auteurs: Ankur Ankur, Andrea Cangiani, Ram Jiwari
Publié dans: Journal of Scientific Computing, Numéro 107, 2026, ISSN 0885-7474
Éditeur: Springer Science and Business Media LLC
DOI: 10.1007/S10915-026-03242-7

Influence of cellular mechano-calcium feedback in numerical models of cardiac electromechanics

Auteurs: Irena Radišić, Francesco Regazzoni, Michele Bucelli, Stefano Pagani, Luca Dede’, Alfio Quarteroni
Publié dans: Computer Methods in Applied Mechanics and Engineering, Numéro 445, 2025, ISSN 0045-7825
Éditeur: Elsevier BV
DOI: 10.1016/J.CMA.2025.118172

A reduced 3D-0D fluid–structure interaction model of the aortic valve that includes leaflet curvature

Auteurs: Fumagalli, Ivan; Dede’, Luca; Quarteroni, Alfio
Publié dans: Biomechanics and Modeling in Mechanobiology, Numéro 24, 2025, ISSN 1617-7940
Éditeur: Wiley
DOI: 10.1007/S10237-025-01960-9

A Novel Implementation of Hermite Finite Element Methods in the deal.II Library

Auteurs: Ivy Weber, Martin Kronbichler, Gunilla Kreiss
Publié dans: ACM Transactions on Mathematical Software, Numéro 52, 2026, ISSN 0098-3500
Éditeur: Association for Computing Machinery (ACM)
DOI: 10.1145/3797876

Stage-Parallel Implicit Runge–Kutta Methods Via Low-Rank Matrix Equation Corrections

Auteurs: Fabio Durastante; Mariarosa Mazza
Publié dans: Journal of Scientific Computing, Numéro 107, 2026, ISSN 1573-7691
Éditeur: Springer
DOI: 10.1007/S10915-026-03185-Z

Scalable augmented Lagrangian preconditioners for fictitious domain problems

Auteurs: Michele Benzi; Marco Feder; Luca Heltai; Federica Mugnaioni
Publié dans: Computer Methods in Applied Mechanics and Engineering, Numéro 450, 2026, ISSN 1879-2138
Éditeur: Elsevier
DOI: 10.48550/ARXIV.2504.11339

Other (1)

alii-X: Enabling new discoveries in biomechanical research by highly accurate digital twins

Auteurs: Martin Kronbichler, Silvia Budday, Luca Dede', Alberto Salvadori, Wolfgang A. Wall
Publié dans: News Innovation Network, Numéro 25, 2026
Éditeur: News Innovation Network