Publications related to Isogeometric Finite Elements With Surface Impedance Boundary Conditions

Experimental verification of X-point potential well formation in unfavorable magnetic field direction

Basil Duval, Holger Reimerdes, Christian Gabriel Theiler, Joaquim Loizu Cisquella, Sophie Danielle Angelica Gorno, Claudia Colandrea, Marco Wischmeier, Cedric Kar-Wai Tsui, Mirko Wensing, Hugo De Oliveira

Recent TCV experiments confirm the predicted formation of an electric potential well, below the magnetic X-point, in configurations with unfavorable

B_t

field direction (ion

\nabla B

drift away from the divertor), that substantially reshapes the typica ...

2020

Reconfigurable Timed Discrete-Event Systems

Matin Macktoobian

In this paper, we present the first general solution to the automatic reconfiguration problem of timed discrete-event systems. We extend the recursive forcible backtracking approach which had been already solved the automatic reconfiguration problem of unt ...

IEEE2020

Brownian Swarm Dynamics and Burgers’ Equation with Higher Order Dispersion

Max-Olivier Hongler

he concept of ranked order probability distribution unveils natural probabilistic interpretations for the kink waves (and hence the solitons) solving higher order dispersive Burgers’ type PDEs. Thanks to this underlying structure, it is possible to propose ...

2020

Dynamical collapse of cylindrical symmetric Dipolar Bose-Einstein condensates

Luigi Forcella

We study the formation of singularities for cylindrical symmetric solutions to the Gross-Pitaevskii equation describing a Dipolar Bose-Einstein condensate. We prove that solutions arising from initial data with energy below the energy of the Ground State a ...

2020

On the Performance of Exact Diffusion over Adaptive Networks

Ali H. Sayed, Bicheng Ying, Kun Yuan, Sulaiman A S A E Alghunaim

Various bias-correction methods such as EXTRA, DIGing, and exact diffusion have been proposed recently to solve distributed deterministic optimization problems. These methods employ constant step-sizes and converge linearly to the exact solution under prop ...

IEEE2019

Dexterous Underwater Manipulation from Distant Onshore Locations

Sylvain Calinon, Ajay Kumar Tanwani

Underwater manipulation is a challenging problem. The state of the art is dominated by Remotely Operated Vehicles (ROV). ROV operations typically require an offshore crew consisting of at least an intendant, an operator, and a navigator. This crew often ha ...

2018

Implementation of drift velocities and currents in SOLEDGE2D-EIRENE

Davide Galassi, Nicolas Mellet, Eric Serre

In order to improve cross-field transport description, drifts and currents have been implemented in SOLEDGE2D-EIRENE. The derivation of an equation for the electric potential is recalled. The resolution of current equation is tested in a simple slab case. ...

2017

Generalised zonal modes in stationary axisymmetric plasmas

Jonathan Graves

The MHD model enables derivation and analysis of the rich structure of geodesic acoustic modes (GAMs) and zonal modes in axisymmetric magnetic confined plasmas. The modes are identifiable from a single dispersion relation as two branches of slow magnetoson ...

IoP2017

The impact of the Boussinesq approximation on plasma turbulence in the scrape-off layer

Paolo Ricci, Paola Paruta, Federico David Halpern, Fabio Riva, Christoph Wersal, Baptiste Jimmy Frei, Félix Benedito Clément Musil, Morgan Siffert

Plasma turbulence in the tokamak scrape-off layer (SOL) region, where magnetic field lines are open and intersect the reactor inner walls, determines the heat loads on the limiter or divertor targets. This is one of the most crucial issues on the way towar ...

2016

Electron trapping mechanisms in magnetron injection guns

Jean-Philippe Hogge, Ioannis Pagonakis, Jiahuan Zhang, Konstantinos Avramidis

A key parameter for the gyrotron operation and efficiency is the presence of trapped electrons. Two electron trapping mechanisms can take place in gyrotrons: (i) the adiabatic trap and (ii) the magnetic potential well. Their influence on the gyrotron opera ...

AIP2016

Isogeometric Finite Elements With Surface Impedance Boundary Conditions

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Experimental verification of X-point potential well formation in unfavorable magnetic field direction

Reconfigurable Timed Discrete-Event Systems

Brownian Swarm Dynamics and Burgers’ Equation with Higher Order Dispersion

Dynamical collapse of cylindrical symmetric Dipolar Bose-Einstein condensates

On the Performance of Exact Diffusion over Adaptive Networks

Dexterous Underwater Manipulation from Distant Onshore Locations

Implementation of drift velocities and currents in SOLEDGE2D-EIRENE

Generalised zonal modes in stationary axisymmetric plasmas

The impact of the Boussinesq approximation on plasma turbulence in the scrape-off layer

Electron trapping mechanisms in magnetron injection guns

On the Performance of Exact Diffusion over Adaptive Networks

Dexterous Underwater Manipulation from Distant Onshore Locations

Implementation of drift velocities and currents in SOLEDGE2D-EIRENE

Generalised zonal modes in stationary axisymmetric plasmas

Reconfigurable Timed Discrete-Event Systems

Electron trapping mechanisms in magnetron injection guns

The impact of the Boussinesq approximation on plasma turbulence in the scrape-off layer

Experimental verification of X-point potential well formation in unfavorable magnetic field direction

Dynamical collapse of cylindrical symmetric Dipolar Bose-Einstein condensates

Brownian Swarm Dynamics and Burgers’ Equation with Higher Order Dispersion