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Pierre Marchand

9
Documents
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Publications

The scattering phase: seen at last

Jeffrey Galkowski , Pierre Marchand , Jian Wang , Maciej Zworski
SIAM Journal on Applied Mathematics, 2024, 84 (1), pp.246-261. ⟨10.1137/23M1547147⟩
Article dans une revue hal-03820689v1
Image document

Towards high-performance linear potential flow BEM solver with low-rank compressions

Matthieu Ancellin , Pierre Marchand , Frédéric Dias
Energies, 2024, 17 (2), pp.372. ⟨10.3390/en17020372⟩
Article dans une revue hal-04233952v2

High-frequency estimates on boundary integral operators for the Helmholtz exterior Neumann problem

Jeffrey Galkowski , Pierre Marchand , Euan A. Spence
Integral Equations and Operator Theory, 2022, 94 (4), ⟨10.1007/s00020-022-02715-2⟩
Article dans une revue hal-03810414v1

Applying GMRES to the Helmholtz equation with strong trapping: how does the number of iterations depend on the frequency?

Pierre Marchand , Jeffrey Galkowski , Alastair Spence , Euan A. Spence
Advances in Computational Mathematics, 2022, 48 (4), ⟨10.1007/s10444-022-09931-9⟩
Article dans une revue hal-03810288v1

Eigenvalues of the truncated Helmholtz solution operator under strong trapping

Jeffrey Galkowski , Pierre Marchand , Euan A. Spence
SIAM Journal on Mathematical Analysis, 2021, 53 (6), ⟨10.1137/21M1399658⟩
Article dans une revue hal-03114612v1
Image document

Two-level preconditioning for h-version boundary element approximation of hypersingular operator with GenEO

Pierre Marchand , Xavier Claeys , Pierre Jolivet , Frédéric Nataf , Pierre-Henri Tournier
Numerische Mathematik, 2020, 146, pp.597-628. ⟨10.1007/s00211-020-01149-5⟩
Article dans une revue hal-02188771v1
Image document

Boundary integral multi-trace formulations and Optimised Schwarz Methods

Xavier Claeys , Pierre Marchand
Computers & Mathematics with Applications, 2020, 79 (11), ⟨10.1016/j.camwa.2020.01.016⟩
Article dans une revue hal-01921113v1
Image document

Schwarz methods and boundary integral equations

Pierre Marchand
Numerical Analysis [math.NA]. Sorbonne Université, 2020. English. ⟨NNT : 2020SORUS221⟩
Thèse tel-02922455v2