THREAD (2019-2024) was dedicated to numerical modeling of flexible structures — cables, ropes, thin beams — including geometric numerical integration, experimental mechanics validation, and industrial simulation software.
C3M DOO, CENTER ZA RACUNALNISTVO VMEHANIKI KONTINUUMA - MODELIRANJE IN TRZENJE
Slovenian computational mechanics SME specialising in numerical simulation of flexible structures and Wiener-Hopf matrix factorisation for engineering applications.
Their core work
C3M DOO is a Ljubljana-based computational mechanics SME that develops numerical methods and simulation software for problems involving continuous media — solids, flexible structures, and the mathematical frameworks that describe their behaviour. Their first H2020 project centred on the simulation of highly flexible slender structures (cables, ropes, thin rods) used in industrial settings, combining experimental mechanics with geometric numerical integration and software tools. More recently they have moved into advanced analytical mathematics — specifically Wiener-Hopf and Riemann-Hilbert factorisation techniques — which are used to solve systems of singular integral equations arising in biomechanics, geomechanics, and environmental engineering. As a participant in MSCA training and staff-exchange programmes, they also contribute to researcher education and cross-border knowledge transfer alongside their core technical work.
What they specialise in
EffectFact (2021-2026) addresses Wiener-Hopf and Riemann-Hilbert factorisation of matrix functions and the solution of systems of singular integral equations.
THREAD explicitly targeted simulation software as a deliverable, bridging theoretical continuum mechanics with practical engineering tools for industrial partners.
EffectFact's keyword set spans biomechanics, medicine, geomechanics, and environmental engineering, signalling intentional expansion beyond structural mechanics into new application domains.
How they've shifted over time
C3M's first H2020 involvement (THREAD, 2019) was firmly in computational structural mechanics: the numerical modeling and simulation of flexible slender structures, with geometric integration methods and industrial software as concrete outputs. Their second project (EffectFact, 2021) represents a pivot toward more abstract, foundational mathematics — Wiener-Hopf and Riemann-Hilbert methods for matrix factorisation — while simultaneously broadening the application scope to cover biomechanics, medicine, geomechanics, and environmental engineering. The direction is clear: from domain-specific structural simulation toward general-purpose analytical methods that can be applied across many engineering and scientific fields.
C3M is moving toward foundational analytical mathematics — integral equation methods, Wiener-Hopf factorisation — that transcend any single engineering discipline, which positions them as a potential cross-domain computational partner for future consortia in health, geotechnics, and environmental modelling.
How they like to work
C3M operates exclusively as a consortium participant, never in a coordinator role — consistent with a small specialist SME that contributes defined technical expertise within larger research networks. Despite having only two projects, they have worked with 40 unique partners across 19 countries, a breadth explained by the large multi-institution structures typical of MSCA-ITN and MSCA-RISE programmes. Their MSCA participation pattern also indicates comfort with researcher mobility and training activities, which is worth noting for any consortium that values knowledge transfer alongside research output.
C3M has engaged with 40 unique partners across 19 countries from just two projects, reflecting the pan-European consortium structures of MSCA programmes rather than any deep bilateral partnership. No single dominant geographic cluster is identifiable from the available data.
What sets them apart
C3M occupies an uncommon niche as a private company that works at the intersection of rigorous applied mathematics — complex variable methods, matrix factorisation, singular integral equations — and practical engineering simulation, a combination more typically found in university research groups than commercial entities. Their Slovenian base combined with a 19-country network makes them accessible for pan-European consortia that need mathematical modeling depth without the bureaucratic overhead of large academic institutions. For project builders seeking quantitative mechanics expertise applicable across structural engineering, biomechanics, and geotechnics, C3M represents a specialised resource that is genuinely difficult to substitute with a generalist partner.
Highlights from their portfolio
- THREADC3M's largest funded project (EUR 239,957) and a prestigious MSCA-ITN doctoral training network tackling the numerically demanding problem of simulating flexible slender structures, with direct industrial relevance to rope manufacturers, offshore engineering, and structural dynamics.
- EffectFactSignals a significant thematic expansion — from structural simulation into advanced analytical mathematics (Wiener-Hopf, Riemann-Hilbert factorisation) with applications spanning biomechanics, geomechanics, and environmental engineering, unusually broad scope for a two-person-scale SME.