ALPINES - 2019 - Annual activity report

ALPINES

ALPINES - 2019

Project-Team Alpines

Team, Visitors, External Collaborators

Overall Objectives

Introduction

Research Program

Overview
Domain specific language - parallel FreeFem++
Solvers for numerical linear algebra
Computational kernels for numerical linear and multilinear algebra

Application Domains

Compositional multiphase Darcy flow in heterogeneous porous media
Inverse problems
Numerical methods for wave propagation in multi-scale media
Data analysis in astrophysics
Molecular simulations

Highlights of the Year

New Software and Platforms

FreeFem++
HPDDM
LORASC
Platforms

New Results

Adaptive Domain Decomposition Method for Saddle Point Problem
A Class of Efficient Locally Constructed Preconditioners Based on Coarse Spaces
A Multilevel Schwarz Preconditioner Based on a Hierarchy of Robust Coarse Spaces
Inverse scattering problems without knowing the source term
Envelope following methods
Domain decomposition preconditioning for high frequency wave propagation problems
The boundary element method in FreeFEM
New Optimised Schwarz Method for dealing with cross-points
Two-level preconditioning for h-version boundary element approximation of hypersingular operator with GenEO
Adaptive resolution of linear systems based on a posteriori error estimators
Adaptive hierarchical subtensor partitioning for tensor compression
Frictionless contact problem for hyper-elastic materials with interior point optimizer
A posteriori error estimates for Darcy’s problem coupled with the heat equation

Bilateral Contracts and Grants with Industry

Bilateral Contracts with Industry

Partnerships and Cooperations

Regional Initiatives
National Initiatives
European Initiatives
International Initiatives
International Research Visitors

Dissemination

Promoting Scientific Activities
Teaching - Supervision - Juries
Popularization

Bibliography

Major publications
Publications of the year
References in notes

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Section: Highlights of the Year

Highlights of the Year

HPDDM software is now available through PETSc PCHPDDM routine, for details see the routine. Both Geneo and its multilevel extension presented in [32] are available.

ERC Synergy EMC2 project kick off meeting took place in September 2019, at Sorbonne University.

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