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Constrained and unconstrained stable discrete minimizations for p-robust local reconstructions in vertex patches in the De Rham complex

Théophile Chaumont-Frelet , Martin Vohralík
2023
Pré-publication, Document de travail hal-03749682v1

Pollution analysis for high order discretizations of highly heterogeneous Helmholtz problems

Hélène Barucq , Henri Calandra , Théophile Chaumont-Frelet , Christian Gout
Exploring the earth, Team MAGIQUE-3D, May 2015, Pau, France
Communication dans un congrès hal-01217484v1
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Upscaling for the Laplace problem using a discontinuous Galerkin method

Hélène Barucq , Théophile Chaumont-Frelet , Julien Diaz , Victor Péron
Journal of Computational and Applied Mathematics, 2012, ⟨10.1016/j.cam.2012.05.025⟩
Article dans une revue hal-00757098v1
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A generalized finite element method for problems with sign-changing coefficients

Théophile Chaumont-Frelet , Barbara Verfürth
ESAIM: Mathematical Modelling and Numerical Analysis, 2021, 55 (3), pp.939-967. ⟨10.1051/m2an/2021007⟩
Article dans une revue hal-02496832v2

Helmholtz Equation in Highly Heterogeneous Media: a two Scales Analysis

Hélène Barucq , Henri Calandra , Théophile Chaumont-Frelet , Christian Gout
Third international workshop on multiphysics, multiscale and optimization problem, May 2014, Bilbao, Spain
Communication dans un congrès hal-01100475v1
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The geometric error is less than the pollution error when solving the high-frequency Helmholtz equation with high-order FEM on curved domains

Théophile Chaumont-Frelet , Euan A. Spence
2024
Pré-publication, Document de travail hal-04483175v1
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A multiscale medium approximation method for the propagation P-waves in highly heterogeneous geophysical media

Théophile Chaumont-Frelet , Hélène Barucq , Henri Calandra , Christian Gout
2018
Pré-publication, Document de travail hal-01706454v1
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A stable local commuting projector and optimal hp approximation estimates in H(curl)

Théophile Chaumont-Frelet , Martin Vohralík
2023
Pré-publication, Document de travail hal-03817302v2
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Mixed finite element discretizations of acoustic Helmholtz problems with high wavenumbers

Théophile Chaumont-Frelet
Article dans une revue hal-02197891v1
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Decay of coefficients and approximation rates in Gabor Gaussian frames

Théophile Chaumont-Frelet , Maxime Ingremeau
Inria. 2023
Rapport hal-03746979v3
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High-frequency behaviour of corner singularities in Helmholtz problems

Théophile Chaumont-Frelet , Serge Nicaise
ESAIM: Mathematical Modelling and Numerical Analysis, 2018, ⟨10.1051/m2an/2018031⟩
Article dans une revue hal-01706415v1
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High order finite element methods for wave propagation in heterogenous media

Théophile Chaumont-Frelet , Serge Nicaise
JOSO 2019 - Journées Ondes Sud-Ouest, Mar 2019, Le Barp, France
Communication dans un congrès hal-02138517v1

Helmholtz Equation in Highly Heterogeneous Media

Hélène Barucq , Henri Calandra , Théophile Chaumont-Frelet , Christian Gout
1st. Pan-American Congress on Computational Mechanics, Apr 2015, Buenos Aires, Argentina
Communication dans un congrès hal-01217469v1
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Damped energy-norm a posteriori error estimates for fully discrete approximations of the wave equation using C2-reconstructions

Théophile Chaumont-Frelet , Alexandre Ern
2024
Pré-publication, Document de travail hal-04511867v1
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An equilibrated a posteriori error estimator for the curl-curl problem

Théophile Chaumont-Frelet , Martin Vohralík
EFEF 2021 - 18th European Finite Element Fair, Sep 2021, Paris, France
Communication dans un congrès hal-03403997v1
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Bridging the multiscale hybrid-mixed and multiscale hybrid high-order methods

Théophile Chaumont-Frelet , Alexandre Ern , Simon Lemaire , Frédéric Valentin
ICOSAHOM 2020 - International Conference on Spectral and High-Order Methods, Jul 2021, Vienna / Virtual, Austria
Communication dans un congrès hal-03403920v1
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High Order Methods for Helmholtz Problems in Highly Heterogeneous Media

Hélène Barucq , Henri Calandra , Théophile Chaumont-Frelet , Christian Gout
Journées Total-Mathias 2014, Oct 2014, Paris, France
Poster de conférence hal-01100468v1
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Stability analysis of heterogeneous Helmholtz problems and finite element solution based on propagation media approximation

Hélène Barucq , Théophile Chaumont-Frelet , Christian Gout
Mathematics of Computation, 2017, 86 (307), pp.2129 - 2157. ⟨10.1090/mcom/3165⟩
Article dans une revue hal-01408934v1
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Adjoint-based formulation for computing derivatives with respect to bed boundary positions in resistivity Geophysics

Théophile Chaumont-Frelet , M Shahrari , D Pardo
Computational Geosciences, 2019, ⟨10.1007/s10596-019-9808-2⟩
Article dans une revue hal-01790697v1
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Bridging the Multiscale Hybrid-Mixed and Multiscale Hybrid High-Order methods

Théophile Chaumont-Frelet , Alexandre Ern , Simon Lemaire , Frédéric Valentin
ESAIM: Mathematical Modelling and Numerical Analysis, 2022, 56 (1), pp.261-285. ⟨10.1051/m2an/2021082⟩
Article dans une revue hal-03235525v3
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Finite element approximation of electromagnetic fields using nonfitting meshes for Geophysics

Théophile Chaumont-Frelet , Serge Nicaise , David Pardo
SIAM Journal on Numerical Analysis, 2018, 56 (4), pp.2288-2321. ⟨10.1137/16m1105566⟩
Article dans une revue hal-01706452v2
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Wavenumber explicit convergence analysis for finite element discretizations of general wave propagation problems

Théophile Chaumont-Frelet , Serge Nicaise
IMA Journal of Numerical Analysis, 2019, ⟨10.1093/imanum/drz020⟩
Article dans une revue hal-01685388v2
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Polynomial-degree-robust a posteriori error estimation for Maxwell's equations

Théophile Chaumont-Frelet , Alexandre Ern , Martin Vohralík
WCCM & ECCOMAS Congress 2020 - 14th World Congress in Computational Mechanics and ECCOMAS Congress, Jan 2021, Paris, France
Communication dans un congrès hal-03403840v1
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Uniform a priori estimates for elliptic problems with impedance boundary conditions

Théophile Chaumont-Frelet , Serge Nicaise , Jérôme Tomezyk
Communications on Pure and Applied Analysis, 2020, ⟨10.3934/cpaa.2020107⟩
Article dans une revue hal-01887269v1

Image Segmentation with a Priori Conditions: Applications to Medical and Geophysical Imaging

Guzel Khayretdinova , Christian Gout , Théophile Chaumont-Frelet , Sergei Kuksenko
Mathematical and computational applications, 2022, 27 (2), pp.26. ⟨10.3390/mca27020026⟩
Article dans une revue hal-03606745v1

Helmholtz equation in Highly Heterogeneous Media

Hélène Barucq , Henri Calandra , Théophile Chaumont-Frelet , Christian Gout
11th World Congress on Computational Mechanics, Eccomas, Jul 2014, Barcelone, Spain
Communication dans un congrès hal-01100492v1

The Multiscale Hybrid Mixed Method for the Helmholtz Equation.

Hélène Barucq , Henri Calandra , Théophile Chaumont-Frelet , Christian Gout , Frédéric Valentin
HOSCAR - 3rd Brazil-French workshop on High performance cOmputing and SCientific dAta management dRiven by highly demanding applications (INRIA-CNPq) (2013), Sep 2013, Bordeaux, France
Communication dans un congrès hal-00930139v1
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Polynomial-degree-robust a posteriori error estimation for Maxwell's equations

Théophile Chaumont-Frelet , Alexandre Ern , Martin Vohralík
ICOSAHOM 2021 - International Conference on Spectral High Order Methods, Jul 2021, Vienna, Austria
Communication dans un congrès hal-03403944v1
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Equivalence of local-best and global-best approximations in H(curl)

Théophile Chaumont-Frelet , Martin Vohralík
Calcolo, 2021, 58, pp.53. ⟨10.1007/s10092-021-00430-9⟩
Article dans une revue hal-02736200v2
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Sharp stability analysis for high-order finite element discretizations of general wave propagation problems

Théophile Chaumont-Frelet , Serge Nicaise
ICIAM 2019 - International Congress on Industrial and Applied Mathematics, Jul 2019, Valencia, Spain
Communication dans un congrès hal-02321133v1