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Real-Time Non-smooth Contact for Flexible Multibody Dynamics from Surgery to Offshore applications

Project description

Real-time surgical simulation

Digital twins are virtual replicas of physical systems. They are transforming engineering and medicine by enabling real-time simulation and prediction. However, accurately modelling how flexible structures bend, flex, and interact with their surroundings under realistic conditions is challenging, particularly when speed is critical. This limitation affects applications ranging from surgical robotics to offshore wind energy infrastructure. With the support of the Marie Skłodowska-Curie Actions programme, the RT_NSContactFMD project develops a computational framework that achieves both physical accuracy and real-time performance simultaneously. The approach will be demonstrated in two contrasting settings: navigating a surgical wire through blood vessels and simulating mooring cables on the seabed. Ultimately, the approach will be released as open-source software for broad academic and industrial use.

Objective

RT_NSContactFMD (Real-Time Non-smooth Contact for Flexible Multibody Dynamics from Surgery to Offshore applications) addresses a core bottleneck in digital twin simulation: reconciling continuum-level fidelity with real-time performance under non-smooth, frictional contact. Existing approaches trade physical accuracy for speed or break down under contact-rich scenarios, limiting their applicability in fields like surgical robotics and offshore engineering.

This project introduces a structure-preserving computational framework that unifies high-fidelity ANCF beam models, penalty-free non-smooth contact laws, and Anderson-accelerated, Jacobian-free solvers into an open-source Chrono module. It targets four objectives: (O1) develop constraint-aware, tapered 3D beam elements; (O2) enforce stable, frictional contact without penalty tuning; (O3) achieve sub-10 ms steps via solver acceleration and selective model reduction; and (O4) validate cross-domain demonstrators: guidewire–artery navigation and mooring line–seabed contact.

Outcomes will deliver the first real-time framework that combines geometric fidelity, non-smooth contact robustness, and computational efficiency within a unified, reproducible architecture. Results will be openly disseminated via CI-tested benchmarks, a BSD-licensed Chrono release, and a SOFA interface for surgical validation. The work advances Horizon Europe priorities in Digital Health and Offshore Renewables, and lays the groundwork for next-generation control-integrated digital twins.

The fellow will gain interdisciplinary expertise across computational mechanics, simulation, and biomedical engineering, with targeted training via secondments at Chrono (UNIPR) and SOFA (Inria), supporting long-term development as an independent researcher.

By promoting open tools and ecosystem interoperability, the project fosters long-term impact across academic, clinical, and industrial communities.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2025-PF

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Coordinator

IMPERIAL COLLEGE OF SCIENCE TECHNOLOGY AND MEDICINE
Net EU contribution
€ 260 347,92
Address
SOUTH KENSINGTON CAMPUS EXHIBITION ROAD
SW7 2AZ London
United Kingdom
Region
London Inner London — West Westminster
Activity type
Higher or Secondary Education Establishments
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Total cost
No data

Partners (2)