Difference between revisions of "Main Page"

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NekLBM https://svn.mcs.anl.gov/repos/NEKLBM is a high-order lattice Boltzmann fluid solver  based on spectral element discontinuous Galerkin methods. It is an open-source code written in Fortran and C. The code is actively developed at Mathematics and Computer Science Division of Argonne National Laboratory.
 
NekLBM https://svn.mcs.anl.gov/repos/NEKLBM is a high-order lattice Boltzmann fluid solver  based on spectral element discontinuous Galerkin methods. It is an open-source code written in Fortran and C. The code is actively developed at Mathematics and Computer Science Division of Argonne National Laboratory.
 
   
 
   
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<big>'''Features'''</big>
 
<big>'''Features'''</big>
  
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The code targets high performance high-order simulations on the advanced computer architectures for the applications in accelerator physics and nanoscience, predicting optimal designs of next-generation electromagnetic devices such as accelerator components for the International Linear Collider or the Large Hadron Collider, nanosensors for molecular detection, and photovoltaic solar cells with high energy-conversion efficiency.
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* Lattice Boltzmann approach for collision step
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* Spectral element discontinuous Galerkin discretization for advection step
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* Advection-diffusion equation solver for heat transfer
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* High-order spectral element discretizations
 
 
* Hexahedral body conforming meshes
 
* Hexahedral body conforming meshes
 
* The 4th-order Runge-Kutta timestepping  
 
* The 4th-order Runge-Kutta timestepping  
 
* The high-order exponential time integration
 
* The high-order exponential time integration
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* Light transmission calculations for nanodevices
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* Flows past a cylinder and cylinders in tandum
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* Wakepotential calculations for accelerator devices
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* Flows past a hemisphere
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* Turbulent flows in a channel
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* Natural convection flows in a square and an annulus
 
* high parallel efficiency scaling over 100,000 cores  
 
* high parallel efficiency scaling over 100,000 cores  
 
* parallel IO scaling over 65,000 cores  
 
* parallel IO scaling over 65,000 cores  
  
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<big>'''Upcoming'''</big>
  
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<big>'''Upcoming'''</big>
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* Multiphase simulation component
  
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* Hybrid programming
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* Parallel IO with pthreading
 
  
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<big>'''Current Developers'''</big>
  
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<big>'''Instruction'''</big>
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Misun Min [http://www.mcs.anl.gov/~mmin]
  
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* [https://wiki.mcs.anl.gov/nekcem/index.php/Main_Page/DAT Documentation for ''data file setting'']
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CCNY Group: Taehun Lee [https://sites.google.com/site/leeccny/home], Kalu Uga, Saumil Patel
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* [https://wiki.mcs.anl.gov/nekcem/index.php/Main_Page/PIO Documentation for ''parallel I/O'']
 
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* [https://wiki.mcs.anl.gov/nekcem/index.php/Main_Page/RST Documentation for ''restart'']
 
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* [https://wiki.mcs.anl.gov/nekcem/index.php/Main_Page/RUN Documentation for ''how to compile/run'']
 
  
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<big> '''Related Projects''' </big>
  
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<big> '''Current Developers''' </big>
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NekCEM [https://nekcem.mcs.anl.gov],
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Nek5000 [https://nek5000.mcs.anl.gov]
  
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Misun Min [http://www.mcs.anl.gov/~mmin],  [http://www.cs.rpi.edu/~fuj/]
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<big> '''Related Publications''' </big>
  
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* S. Patel, K. Uga, M. Min, T. Lee, A Spectral-Element Discontinuous Galerkin Lattice Boltzmann Method for Simulating Natural Convection Heat Transfer, Computers & Fluids, submitted,  2013.
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Consult the [http://meta.wikimedia.org/wiki/Help:Contents User's Guide] for information on using the wiki software:
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* K. Uga, M. Min, T. Lee, P. Fischer, Spectral-Element Discontinuous Galerkin Lattice Boltzmann Simulation of Flow Past Two Cylinders in Tandem with an Exponential Time Integrator, Computers & Mathematics with Applications, pp.239–251, 2013.
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[http://www.mediawiki.org/wiki/Manual:Configuration_settings Configuration settings list],
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* M. Min, T. Lee, Spectral element discontinuous Galerkin lattice Boltzmann methods for nearly incompressible flows, Journal of Computational Physics, 230, pp.245-259, 2011.
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[http://www.mediawiki.org/wiki/Manual:FAQ MediaWiki FAQ],  
 
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[https://lists.wikimedia.org/mailman/listinfo/mediawiki-announce MediaWiki release mailing list]
 

Latest revision as of 04:34, 12 September 2013

Welcome to NekLBM

NekLBM https://svn.mcs.anl.gov/repos/NEKLBM is a high-order lattice Boltzmann fluid solver based on spectral element discontinuous Galerkin methods. It is an open-source code written in Fortran and C. The code is actively developed at Mathematics and Computer Science Division of Argonne National Laboratory.

Features

  • Lattice Boltzmann approach for collision step
  • Spectral element discontinuous Galerkin discretization for advection step
  • Advection-diffusion equation solver for heat transfer
  • Hexahedral body conforming meshes
  • The 4th-order Runge-Kutta timestepping
  • The high-order exponential time integration
  • Flows past a cylinder and cylinders in tandum
  • Flows past a hemisphere
  • Turbulent flows in a channel
  • Natural convection flows in a square and an annulus
  • high parallel efficiency scaling over 100,000 cores
  • parallel IO scaling over 65,000 cores

Upcoming

  • Multiphase simulation component

Current Developers

Misun Min [1]

CCNY Group: Taehun Lee [2], Kalu Uga, Saumil Patel

Related Projects

NekCEM [3], Nek5000 [4]

Related Publications

  • S. Patel, K. Uga, M. Min, T. Lee, A Spectral-Element Discontinuous Galerkin Lattice Boltzmann Method for Simulating Natural Convection Heat Transfer, Computers & Fluids, submitted, 2013.
  • K. Uga, M. Min, T. Lee, P. Fischer, Spectral-Element Discontinuous Galerkin Lattice Boltzmann Simulation of Flow Past Two Cylinders in Tandem with an Exponential Time Integrator, Computers & Mathematics with Applications, pp.239–251, 2013.
  • M. Min, T. Lee, Spectral element discontinuous Galerkin lattice Boltzmann methods for nearly incompressible flows, Journal of Computational Physics, 230, pp.245-259, 2011.
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