Hybrid MPI + OpenMP parallelization of an FFT-based 3D Poisson solver with one periodic direction

DOI10.1016/j.compfluid.2011.05.003zbMath1271.76225OpenAlexW2041579243WikidataQ61735147 ScholiaQ61735147MaRDI QIDQ365456

Francesc Xavier Trias, Assensi Oliva, Ricard Borrell, Oriol Lehmkuhl, A. V. Gorobets

Publication date: 4 September 2013

Published in: Computers and Fluids (Search for Journal in Brave)

Full work available at URL: http://www.sciencedirect.com/science/article/pii/S0045793011001526

zbMATH Keywords

Schur complementdirect numerical simulationFFTPoisson solverhybrid parallelization MPI + \texttt{OpenMP}preconditioned conjugate gradient

Mathematics Subject Classification ID

Navier-Stokes equations for incompressible viscous fluids (76D05) Spectral methods applied to problems in fluid mechanics (76M22) Parallel numerical computation (65Y05)

Related Items

A parallel MPI+OpenMP+OpenCL algorithm for hybrid supercomputations of incompressible flows, A simple approach to discretize the viscous term with spatially varying (eddy-)viscosity, Parallel algorithm of the NOISEtte code for CFD and CAA simulations, Exploiting spatial symmetries for solving Poisson's equation, Numerical simulation of turbulence at lower costs: regularization modeling

Uses Software

• FFTW

Cites Work

• Unnamed Item
• Unnamed Item
• Unnamed Item
• A scalable parallel Poisson solver for three-dimensional problems with one periodic direction
• Parameter-free symmetry-preserving regularization modeling of a turbulent differentially heated cavity
• Three-level hybrid vs. flat MPI on the Earth simulator: parallel iterative solvers for finite-element method
• Towards a hybrid parallelization of lattice Boltzmann methods
• Symmetry-preserving discretization of turbulent flow.
• Direct numerical simulation of a differentially heated cavity of aspect ratio 4 with Rayleigh numbers up to \(10^{11}\). I: Numerical methods and time-averaged flow
• Some useful strategies for unstructured edge-based solvers on shared memory machines
• A direct Schur–Fourier decomposition for the efficient solution of high-order Poisson equations on loosely coupled parallel computers
• Numerical Solution of the Navier-Stokes Equations