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Edge is an unstructured CFD solver developed at the Swedish Defence Research Agency (Totalförsvarets forskningsinstitut) (FOI) since 1997. The code is fully RANS capable, and features several turbulence models from algebraic to state-of-the-art two-equation models. Furthermore the code also includes LES and DES models and the ability to run in "Euler" and laminar mode. Time-accurate and aeroelastic simulations are also possible.

The Edge flow solver is based on a node-centered finite volume scheme. For steady flows, the equations are integrated towards steady state with an explicit multi-stage Runge-Kutta scheme. To accelerate convergence, residual smoothing and a multi-grid technique can be employed. Low Mach-number preconditioning is also available. Time-accurate computations are implemented using dual time-stepping: implicit time marching with explicit sub-iterations.

The copyright holder is FOI. All rights to Edge are reserved by FOI. An idividual user-based written agreement with FOI is required to get access to the code. Edge or parts of Edge may not be sold, distributed or in any other way made available to third parties without a written permission from FOI.


AkkaHPC2Ncapability cluster resource of 54 TFLOPS with infiniband interconnect
BedaC3SEthroughput cluster resource
GlennC3SEthroughput cluster resource
KappaNSCthroughput cluster resource of 26 TFLOPS
LindgrenPDCCray XE6 capability cluster with 305 TFLOPS peak performance
MatterNSCcluster resource of 37 TFLOPS dedicated to materials science


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Anders Hast (UPPMAX)UPPMAXVisualisation, Digital Humanities30Software and usability for projects in digital humanities
Anders Sjölander (UPPMAX)UPPMAXBioinformatics100Bioinformatics support and training, job efficiency monitoring, project management
Anders Sjöström (LUNARC)LUNARCGPU computing
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Technical acoustics
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Birgitte Brydsö (HPC2N)HPC2NParallel programming
Training, general support
Björn Claremar (UPPMAX)UPPMAXMeteorology, Geoscience100Support for geosciences, Matlab
Björn Viklund (UPPMAX)UPPMAXBioinformatics
100Bioinformatics, containers, software installs at UPPMAX
Chandan Basu (NSC)NSCComputational science100EU projects IS-ENES and PRACE.
Working on climate and weather codes
Diana Iusan (UPPMAX)UPPMAXComputational materials science
Performance tuning
50Compilation, performance optimization, and best practice usage of electronic structure codes.
Frank Bramkamp (NSC)NSCComputational fluid dynamics100Installation and support of computational fluid dynamics software.
Hamish Struthers (NSC)NSCClimate research80Users support focused on weather and climate codes.
Henric Zazzi (PDC)PDCBioinformatics100Bioinformatics Application support
Jens Larsson (NSC)NSCSwestore
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Joachim Hein (LUNARC)LUNARCParallel programming
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85HPC training
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Johan HellsvikPDCMaterialvetenskap30materials theory, modeling of organic magnetic materials,
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HPC, General programming, installation of software, support, containers
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100I help users with productivity, program performance, and parallelisation.
Martin Dahlö (UPPMAX)UPPMAXBioinformatics10Bioinformatic support
Mikael Djurfeldt (PDC)PDCNeuroinformatics100
Mirko Myllykoski (HPC2N)HPC2NParallel programming
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Parallel programming, HPC, GPU programming, advanced support
Pavlin Mitev (UPPMAX)UPPMAXComputational materials science45
Pedro Ojeda-May (HPC2N)HPC2NMolecular dynamics
Machine learning
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Training, HPC, Quantum Chemistry, Molecular dynamics, R, advanced support
Peter Kjellström (NSC)NSCComputational science100All types of HPC Support.
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Rickard Armiento (NSC)NSCComputational materials science40Maintainer of the scientific software environment at NSC.
Szilard PallPDCMolecular dynamics55Algorithms & methods for accelerating molecular dynamics, Parallelization and acceleration of molecular dynamics on modern high performance computing architectures, High performance computing, manycore and heterogeneous architectures, GPU computing
Thomas Svedberg (C3SE)C3SESolid mechanics
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Wei Zhang (NSC)NSCComputational science
Parallel programming
Performance optimisation
code optimization, parallelization.
Weine Olovsson (NSC)NSCComputational materials science90Application support, installation and help
Åke Sandgren (HPC2N)HPC2NComputational science50SGUSI