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Affichage de 371 à 380 sur 1999

Article dans une revue

Meshless SPH analysis for transient heat conduction in the functionally graded structures

Jiao Li, Guangchun Wang, Jianghu Zhan, Shuai Liu, Yanjin Guan, Hakim Naceur, Daniel Coutellier, Jun Lin

Transient heat conduction analysis of the functionally graded structures is of great importance for the structure design and manufacturing. In this study, 2D heat conduction problem is solved by the meshless smoothed particle hydrodynamics (SPH) method. To improve the computational accuracy and...

Composites Communications, 2021, 24, pp.100664. ⟨10.1016/j.coco.2021.100664⟩. ⟨hal-03536606⟩

Article dans une revue

Pulsed jet phase-averaged flow field estimation based on neural network approach

Célestin Ott, Charles Pivot, Pierre Dubois, Quentin Gallas, Jérôme Delva, Marc Lippert, Laurent Keirsbulck

Single hot-wire velocity measurements have been conducted along a three-dimensional measurement grid to capture the flow-field induced by a 45°inclined slotted pulsed jet. Based on the periodic behavior of the flow, two different estimation methods have been implemented. The first one, considered...

Experiments in Fluids, 2021, 62 (4), pp.1-16. ⟨10.1007/s00348-021-03180-0⟩. ⟨hal-03206636⟩

Article dans une revue

Low back pain in patients with multiple sclerosis: A systematic review and the prevalence in a French multiple sclerosis population

Caroline Massot, Cécile Donze, Marc-Alexandre Guyot, Sebastien Leteneur

PurposeThe prevalence and management of back pain in MS patients was assessed by a systematic review, and the results of a survey on the characteristics of low back pain in a sample of French MS patients are reported.MethodsA systematic search was conducted according to the PRISMA guidelines. The...

Revue Neurologique, 2021, 177 (4), pp.349-358. ⟨10.1016/j.neurol.2020.07.018⟩. ⟨hal-03462718⟩

Article dans une revue

RFID-based tangible and touch tabletop for dual reality in crisis management context

Walid Merrad, Alexis Heloir, Christophe Kolski, Antonio Krüger

Robots are becoming more and more present in many domains of our daily lives. Their usage encompasses industry, home automation, space exploration, and military operations. Robots can also be used in crisis management situations, where it is impossible to access or dangerous to send humans into the...

Journal on Multimodal User Interfaces, 2021, ⟨10.1007/s12193-021-00370-2⟩. ⟨hal-03274838⟩

Article dans une revue

On the Efficient Implementation of an Implicit Discrete-Time Differentiator

Jose Eduardo Carvajal Rubio, Juan Diego Sanchez-Torres, Michael Defoort, Mohamed Djemai, Alexander Loukianov

New methodologies are designed to reduce the time complexity of an implicit discrete-time differentiator and the simulation time to implement it. They rely on Horner’s method and the Shaw-Traub algorithm. The algorithms are compared for differentiators of order 3, 7, and 10. The Half-Horner and...

WSEAS Transactions on circuits and systems, 2021, 20, pp.70-74. ⟨10.37394/23201.2021.20.9⟩. ⟨hal-03710953⟩

Article dans une revue

Experimental and Numerical Study for the Coalescence Dynamics of Vertically Aligned Water Drops in Oil

Mostafa Brik, Souad Harmand, Ibrahim Zaaroura, A. Saboni

In this paper, we propose an experimental and numerical investigation for the impact of the surface tension and the continuous phase viscosity on the dynamics of the liquid bridge during the coalescence process in liquid–liquid systems. A specific configuration of a sessile drop in direct contact...

Langmuir, 2021, 37 (10), pp.3139-3147. ⟨10.1021/acs.langmuir.0c03624⟩. ⟨hal-03446720⟩

Article dans une revue

On the Detection of Structural Aesthetic Defects of Android Mobile User Interfaces with a Metrics-based Tool

Narjes Bessghaier, Makram Soui, Christophe Kolski, Mabrouka Chouchane

Smartphone users are striving for easy-to-learn and use mobile apps user interfaces. Accomplishing these qualities demands an iterative evaluation of the Mobile User Interface (MUI). Several studies stress the value of providing a MUI with a pleasing look and feel to engaging end-users. The MUI,...

ACM Transactions on Interactive Intelligent Systems , 2021, 11 (1), pp.1-27. ⟨10.1145/3410468⟩. ⟨hal-03268483⟩

Article dans une revue

Takagi–Sugeno fuzzy observer design for nonlinear descriptor systems with unmeasured premise variables and unknown inputs

Tran Anh-Tu Nguyen, Víctor Campos, Thierry-Marie Guerra, Juntao Pan, Wenbo Xie

This paper presents a new observer design framework for a class of nonlinear descriptor systems with unknown but bounded inputs. In the presence of unmeasured nonlinearities, i.e., premise variables, designing nonlinear observers is known as particularly challenging. To solve this problem, we...

International Journal of Robust and Nonlinear Control, 2021, 31 (17), pp.8353 - 8372. ⟨10.1002/rnc.5453⟩. ⟨hal-04307213⟩

Article dans une revue

Trajectory Tracking Control Design for Large-Scale Linear Dynamical Systems With Applications to Soft Robotics

Maxime Thieffry, Alexandre Kruszewski, Thierry-Marie Guerra, Christian Duriez

This article presents new results to control process modeled through linear large-scale systems. Numerical methods are widely used to model physical systems, and the finite-element method is one of the most common methods. However, for this method to be precise, it requires a precise spatial mesh...

IEEE Transactions on Control Systems Technology, 2021, 29 (2), pp.556-566. ⟨10.1109/TCST.2019.2953624⟩. ⟨hal-02404003⟩

Article dans une revue

Meshless analysis of bi-directional functionally graded beam structures based on physical neutral surface

Jiao Li, Guangchun Wang, Yanjin Guan, Guoqun Zhao, Jun Lin, Hakim Naceur, Daniel Coutellier

More and more attention has been paid on the two-directional functionally graded materials (FGMs) applied in harsh heat environment. A novel meshless model is established for the bending analysis, based on the Smoothed Particle Hydrodynamics (SPH) method. To improve the prediction accuracy, the...

Composite Structures, 2021, 259, pp.113502. ⟨10.1016/j.compstruct.2020.113502⟩. ⟨hal-03446742⟩