Nicolas Salles

ma photo

Keywords:
integral equation methods, scattering, FEM-BEM coupling, acoustic, electromagnetism, Boundary element method, high frequency problems (Physical optics, Geometrical optics), Helmholtz equation, Maxwell equation.

Current position & Interests

Research&Development Engineer in industry.

Next conferences

Previous positions

PostDoctoral Position at ENSTA-ParisTech to collaborate on the XLiFE++ project (eXtended Library of Finite Elements in C++), mainly on the BEM part, October 2015 - May 2017

PostDoctoral Research Associate (PDRA) at the University College London in the Dr Timo Betcke's team since (October 2013 - September 2015)

Position of Attaché Temporaire d'Enseignement et de Recherche at Université Paris Sud, FRANCE (September 2012 - August 2013).

PhD student in the POEMS (Wave Propagation: Mathematical Study and Simulation) a joint research team CNRS/ENSTA-ParisTech/INRIA with a fellowship from Université Paris-Sud, FRANCE. Phd advisors: Marc Lenoir (CNRS/ENSTA) and Eliane Becache (INRIA). PhD Thesis: Calculation of singularities in variational integral equations methods available here.

Papers and Proceeding

Exponentially accurate evaluation of time-stepping schemes for the wave equation via Convolution Quadrature type methods, Submitted.

Solution of time-domain problems using Convolution Quadrature methods and BEM++, Proceeding of the BeTeQ 2014 Conference, 2014 ( pdf ).

Explicit evaluation of integrals arising in Galerkin BEM, Proceeding of the BeTeQ 2013 Conference, 2013

Evaluation of 3-D singular and nearly singular integrals in Galerkin BEM for thin layers, SIAM J. SCI. COMPUT, Vol. 34, No.6, 2012 ( pdf )
Code attached with the article here.

Exact evaluation of singular and near-singular integrals in Galerkin BEM, Proceeding of the ECCOMAS 2012 Conference, 2012 ( pdf )

Conferences

SIAM Conference on Computational Science and Engineering, 14-18h March 2015, Salt Lake City

Workshop Fast Boundary Element Methods in Industrial Applications, 25-28h September 2014, Sollerhaus (Austria): New analytical results on the convergence of a convolution quadrature method.

International Conference on Boundary Element and Meshless Techniques (BeTeQ 2014), 15-17 July 2014, Florence: Solution of time-domain problems using Convolution Quadrature methods and BEM++.

Boundary Integral Equations Analysis and Computation, 27-29h May 2014, Edinburgh: Exponentially convergent convolution quadrature schemes for time-domain problems.

INT13 An integral approach to electromagnetic scattering: A Workshop on Recent developments in Theory and Applications, 12 November 2013, Amsterdam: The Method of Reduction of the Dimension for the evaluation of singular and near singular integrals arising in 3-D Electromagnetic Scattering problems.
Abstract and Talk.

International Conference on Boundary Element and Meshless Techniques(BeTeQ 2013),July 2013 at Palaiseau: Explicit evaluation of integrals arising in Galerkin BEM.
Abstract

The 6th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2012),10-14 September 2012 at Vienna: Exact evaluation of singular and near-singular integrals in Galerkin BEM.
Abstract

The 10th International Conference on Mathematical and Numerical Aspects of Waves (Waves 2011), 25-29 July 2011 at Vancouver: A new treatment of singularities in Galerkin boundary integral equations.
Abstract and Talk

Teaching

2015-2017 (20h), ENSTA-ParisTech:

Exercices for the course MA104, Functions of the complex variable (description)


2013-2014 (14h), University College London, London:

Lectures and Exercises for the Post Exam Course: Python (description, files)


2012-2013 (96h), University Paris-Sud XI, Orsay:

Chargé de TP pour le cours Math315 : Calcul scientifique (Matlab) (L3) (description)

Chargé de TP pour le cours Math311 : Systèmes Linéaires (Matlab) (L3) (description)

Chargé de TD pour le cours Math251 : Analyse et séries de Fourier (L2 Physique-Chimie) (description)

Cours-TD intégré pour le cours Math254 : Géométrie et Analyse de Fourier (L2 Chimie) (description)


2011-2012 (64h), University Paris-Sud XI, Orsay:

Chargé de TP pour le cours Math311 : Systèmes Linéaires (Matlab) (L3) (description)

Chargé de TD pour le cours Math251 : Analyse et séries de Fourier (L2 Physique-Chimie) (description)

Chargé de TP pour le cours Math328 : TP d'initiation Matlab (L3 Mathématiques)(description)


2010-2011 (64h),University Paris-Sud XI, Orsay:

Chargé de TP pour le cours Math311 : Systèmes Linéaires (Matlab) (L3) (description)

Chargé de TP pour le cours Math315 : Calcul scientifique (L3) (description)

Chargé de TD pour le cours Math251 : Analyse et séries de Fourier (L2 Physique-Chimie) (description)


2009-2010 (64h), University Paris-Sud XI, Orsay:

Chargé de TD pour le cours Math256 : Analyse de Fourier pour la physique (L2) (description)

Links

XLiFE++ Library

POEMS Team

Department of Mathematics, University College London

BEM++

Ecole Doctorale de Mathématique de la Région Paris-Sud ED 142

ENSTA-ParisTech

Département de Mathématique de l'Université Paris-Sud XI

Updated on the 26th of October, 2017.