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Liste des publications du LMPS

Affichage des publications 661 à 670 sur 1276 au total

Structural mechanics

A modular reduced-order modeling strategy for coupled multiphysics problems

Since most modern industrial systems involve interactions between multiple physical phenomena (e.g., mechanical, thermal, or electromagnetic), their high-fidelity simulation requires accounting for their multiphysical behavior [1]. Whenever the…

Floriane Wurtzer, Pierre-Alain Boucard, Pierre Ladevèze, David Néron

10th International Conference on Computational Methods for Coupled Problems in Science and Engineering (COUPLED 2023) -

Structural mechanics

Towards a model-order reduction strategy for nonlinear dynamics parametric simulations

Assessing the risk of failure of a structure subjected to seismic hazard often requires numerous costly computations. When computing fragility curves, for instance, the nonlinear damageable behaviour of structures needs to be considered, and the…

Alexandre Daby-Seesaram, Amélie Fau, Pierre-Étienne Charbonnel, David Néron

9th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering -

Dynamique, vibrations

A new physics-guided data assimilation framework for online structural monitoring: application to shaking table tests

The modified Constitutive Relation Error (mCRE) is a model updating functional whose physics-based construction avoids the explicit dependency into a priori user’s expertise. Its robustness to measurement noise and remarkable convexity properties…

Matthieu Diaz, Pierre-Étienne Charbonnel, Ludovic Chamoin

9th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COMPDYN 2023) -

Representation Theory

Computation of minimal covariants bases for 2D coupled constitutive laws

We produce minimal integrity bases for both isotropic and hemitropic invariant algebras (and more generally covariant algebras) of most common bidimensional constitutive tensors and -- possibly coupled -- laws, including piezoelectricity law,…

Boris Desmorat, Marc Olive, Nicolas Auffray, Rodrigue Desmorat, Boris Kolev

International Journal of Engineering Science -

Electromagnetism

Optimal Design of High-Speed Electric Machines for Electric Vehicles: A Case Study of 100 kW V-Shaped Interior PMSM

The need of compact machines increased in recent years due to increases in raw materials’ price. Hence, many studies are currently being conducted on high-speed challenges to propose an optimal design methodology. AC losses in windings are often not…

Taha El Hajji, S Hlioui, François Louf, Mohamed Gabsi, Guillaume Mermaz-Rollet, M’hamed Belhadi

Machines -

Cristallography

Three-phase material mapping with incomplete X-ray diffraction spectral information

An equiatomic nickel–titanium shape-memory alloy specimen subjected to a uniaxial tensile load undergoes a two-step phase transformation under stress, from austenite (A) to a rhombohedral phase (R) and further to martensite (M) variants. The pseudo…

Xuyang Chang, Karine Lavernhe-Taillard, Stéphane Roux, Olivier Hubert

Journal of Applied Crystallography -

Instrumentation and Detectors

PeakForce AFM Analysis Enhanced with Model Reduction Techniques

PeakForce quantitative nanomechanical AFM mode (PF-QNM) is a popular AFM technique designed to measure multiple mechanical features (e.g., adhesion, apparent modulus, etc.) simultaneously at the exact same spatial coordinates with a robust scanning…

Xuyang Chang, Simon Hallais, Kostas Danas, Stéphane Roux

Sensors -