War** estimation of continuous fiber-reinforced composites made by robotic 3D printing

C Ghnatios, K Fayazbakhsh - Additive Manufacturing, 2022 - Elsevier
The 3D printing of continuous fiber-composite materials can widen their industrial
applications. This paper presents a modeling effort and an wrap** and deformation …

Spurious-free interpolations for non-intrusive PGD-based parametric solutions: application to composites forming processes

C Ghnatios, E Cueto, A Falco, JL Duval… - International Journal of …, 2021 - Springer
Non-intrusive approaches for the construction of computational vademecums face different
challenges, especially when a parameter variation affects the physics of the problem …

Data-driven generic modeling of poroviscoelastic materials

C Ghnatios, I Alfaro, D González, F Chinesta, E Cueto - Entropy, 2019 - mdpi.com
Biphasic soft materials are challenging to model by nature. Ongoing efforts are targeting
their effective modeling and simulation. This work uses experimental atomic force …

A nonparametric probabilistic method to enhance PGD solutions with data-driven approach, application to the automated tape placement process

C Ghnatios, A Barasinski - Advanced Modeling and Simulation in …, 2021 - Springer
A nonparametric method assessing the error and variability margins in solutions depicted in
a separated form using experimental results is illustrated in this work. The method assess …

Some comments on hydrogel and cartilage contact mechanics and friction

BNJ Persson, M Scaraggi - Tribology letters, 2018 - Springer
We discuss the origin of the low friction observed for some elastically soft materials, such as
hydrogels and the human cartilage. When a soft elastic solid is squeezed against another …

Numerical and experimental study of the consolidation of continuous carbon fiber thermoplastics made by robotic 3D printing

S Miri, J Rana, K Fayazbakhsh, C Ghnatios - International Journal of …, 2025 - Springer
The 3D printing of continuous carbon fiber reinforced thermoplastics can widen their
applications and allow the construction, on the fly, of complex composite parts. In this work …

A Parsimonious Separated Representation Empowering PINN–PGD-Based Solutions for Parametrized Partial Differential Equations

C Ghnatios, F CHINESTA SORIA - 2024 - sam.ensam.eu
The efficient solution (fast and accurate) of parametric partial differential equations (pPDE) is
of major interest in many domains of science and engineering, enabling evaluations of the …

Sensitivity thermal analysis in the laser-assisted tape placement process

M Perez, A Barasinski, B Courtemanche, C Ghnatios… - 2018 - sam.ensam.eu
Nowadays, the production of large pieces made of thermoplastic composites is an industrial
challenging issue as there are yet several difficulties associated to their processing. The …

Fast computation of multi-parametric electromagnetic fields in synchronous machines by using pgd-based fully separated representations

A Sancarlos, C Ghnatios, JL Duval, N Zerbib, E Cueto… - Energies, 2021 - mdpi.com
A novel Model Order Reduction (MOR) technique is developed to compute high-
dimensional parametric solutions for electromagnetic fields in synchronous machines …

A hybrid modeling combining the proper generalized decomposition approach to data-driven model learners, with application to nonlinear biphasic materials

C Ghnatios - Comptes Rendus. Mécanique, 2021 - comptes-rendus.academie-sciences …
Modeling soft biphasic permeable materials is a challenging issue tackled nowadays by
countless researchers. The effective modeling of such materials is a corner stone in the …