Parallel processing is one of the major trends in the computational mechanics community.
Due to inherent limitations in processor design, manufacturers have shifted towards the multi …

The variety of computing architectures competing in the exascale race makes the portability
of codes of major importance. In this work, the HPC 2 code is presented as a fully-portable …

The paper describes a multilevel MPI+ OpenMP+ OpenCL parallelization approach that
provides complete portability across a wide range of hybrid supercomputer architectures. A …

Nowadays, the CFD approaches for modeling turbulent airflow and particulate matter (PM)
concentration distribution are matured despite they all suffer from heavy computational …

Nowadays, high performance computing (HPC) systems experience a disruptive moment
with a variety of novel architectures and frameworks, without any clarity of which one is …

Efficient simulation of wave propagation in heterogeneous materials is still a challenging
task. The spectral cell method, representing a combination of spectral elements with the …

Efficient solvers for the unsteady Navier–Stokes equations are presented. A classic time-
stepping scheme is combined with high-order nonlinear solvers coupling homotopy and a …

A variant of a numerical algorithm for simulating viscous gasdynamic flows on unstructured
hybrid grids and its software implementation for heterogeneous computations is described …

Large-scale supercomputers equipped with GPUs as accelerators are potential to satisfy the
future Exascale computing. In this work the solution of large and sparse linear systems of …

Le groupe de recherche Instabilités et Méthodes Numériques Spécifiques mène ses
activités dans le développement d'outils numé-riques pour la résolution de problèmes non …