Ciarlet Patrick 

ENSTA ParisTech
32, boulevard Victor 
75739 Paris Cedex 15
France

Tel (33) 1 45 52 54 78 
Fax (33) 1 45 52 52 82 

email patrick.ciarlet@ensta-paristech.fr

Professor in the Applied Math Dept of the National Institute of Advanced Technologies
Member of the Joint Research Unit CNRS-ENSTA-INRIA UMR 7231 POEMS.


Extended CV


A brief curriculum

I got my PhD in 1992 in applied mathematics, and defended my 'Habilitation a Diriger les Recherches' in 1998 in mathematics. In both cases, I graduated from the Paris VI University.
Between Oct. 1990 and Sep. 1993, I studied parallel preconditioning within the Parallel Computing Project at the Limeil-Valenton Centre of the French Nuclear Agency (CEA). Starting in Oct. 1993, I spent one year as a post-doctoral fellow at UCLA, where I studied graph partitioning. Then, I spent three additional years at the Limeil-Valenton Centre: I worked on mesh partitioning and the parallelization of codes, and on the discretization of Maxwell's equations.
Since Sep. 1997, I have been working in the Applied Math Dept of ENSTA. 

Associate Professor, Ecole Polytechnique, 1999-2000.
Guest Professor (Graduate Studies), University of Houston, USA, March 2002.
Guest Professor (Graduate Studies), Université de Strasbourg, October 2002.
Associate Professor, Ecole Polytechnique, 2005-2007.

Visiting Professor at the Chinese University of Hong Kong, China, January-July 2010.
Guest Professor (Graduate Studies), 
Universidade de Santiago de Compostela, Spain, March 2011.

Research topics
Computational electromagnetics, numerical analysis of PDEs.
Computation of electromagnetic fields in a cavity, or near an obstacle, with a non-smooth and non-convex boundary. The presence of reentrant edges and/or vertices, called geometrical singularities, produces intense fields. Mathematically, the fields are less regular near those singularities, and they require an ad hoc discretization method, such as the singular complement method (SCM), the Fourier singular complement method (FSCM), or the weighted regularization method (WRM). Related case of domains with a smooth boundary that includes "small" rounded corners or edges. In this case, the field is regular, but it can still be intense. The behavior of the field has to be computed (accurately and) carefully near the rounded corners or edges.
Propagation of fields at the interface between meta-materials and classical dielectric media. Obtaining models that are well-posed mathematically is a preliminary step. In particular, one can build configurations for which the problem is ill-posed. The scalar case (TE or TM mode) has recently been solved with the help of the T-coercivity theory. The use of the same theory in the general case is in progress. The next step will be to build algorithms to capture numerically the fields: results have already been obtained in the scalar case.
New
discretization techniques for linear elasticity problems, based on a direct approximation of the stress tensor.

Former/Current Students
Lucas Chesnel (PhD student: Sep. 2009 - ) (co-advisor Anne-Sophie Bonnet Ben Dhia)
Grace Hechme (
Postdoc fellow: Jan. 2006 - Sep. 2007)
Carlo Maria Zwölf (PhD student: Oct. 2004 - Dec. 2007) (co-advisor Anne-Sophie Bonnet Ben Dhia)
Samir Kaddouri (PhD student: Oct. 2003 - March 2007)
Beate Jung (Postdoc fellow: Jul. 2003 - Dec. 2003)
Erell Jamelot (PhD student: Oct. 2002 - Nov. 2005)
Fabrice Roy (PhD student: Oct. 2000 - July 2004) (co-advisor Jerome Perez)
Emmanuelle Garcia (PhD student: Dec. 1998 - June 2002) (co-advisor Franck Assous)
Simon Labrunie (Postdoc fellow: Jan. 1998 - Sep. 1999) (joint supervision with Franck Assous)

Research Grants
Sep. 2003 - Aug. 2006: DGA/ENSTA contract 0360074 'computation of intense electromagnetic fields'.
Jan. 2001 - Dec. 2002: PROCORE grant [joint French-Chinese (Hong Kong) research program.]
Oct. 1993 - Oct. 1994: 'Delegation Generale pour l'Armement' postdoctoral fellowship.
 

Publications

Selected talks

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Page last modified May 10, 2011 © Patrick Ciarlet