[yt-users] Fwd: [FLASH-USERS] FLASH 4.0 released

[Nathan Goldbaum]

This may be of interest to some of the subscribers to this list.

Begin forwarded message:

> From: Klaus Weide <klaus at flash.uchicago.edu>
> Date: September 14, 2012 3:28:24 PM PDT
> To: flash-users at flash.uchicago.edu
> Subject: [FLASH-USERS] FLASH 4.0 released
> 
> The Flash Center is pleased to announce the release of the new version of 
> the FLASH code, version 4.0. FLASH4 closely follows the architecture of 
> FLASH3. The most important changes from FLASH3 are several new 
> capabilities in both physics solvers and infrastructure. A major part of 
> the new physics capabilities were introduced to support simulations of 
> high-energy-density physics (HEDP). FLASH4 also includes four significant 
> capabilities contributed by our external users.
> 
> 
> The major new capabilities in FLASH4 that were not included in FLASH3
> are (marked with ** are the external contributions, please see the
> User's Guide for references and appropriate credits): 
> 
> * 3T capabilities in the split and unsplit Hydro solvers.
>  There is support for non-Cartesian geometry, and
>  the unsplit solver also supports stationary rigid bodies.
> 
> * Upwind biased constrained transport (CT) scheme in the unsplit
>  staggered mesh MHD solver.
> 
> * Full corner transport upwind (CTU) algorithm in the unsplit
>  hydro/MHD solver.
> 
> * Cylindrical geometry support in the unsplit
>  staggered mesh MHD solver on UG and AMR. A couple of MHD
>  simulation setups using cylindrical geometry. 
> 
> * Radiation diffusion.
> 
> * Conduction.
> 
> * Heat exchange.
> 
> * Multi-Temperature Multi-Material Multi-Table Eos.
> 
> * Opacities, ability to use hot and cold opacities.
> 
> * EnergyDeposition unit with laser ray tracing, with threading
>  for performance.
> 
> * A new multipole solver.
> 
> * Ability to replicate mesh for multigroup diffusion or other
>  similar applications.
> 
> * OpenMP threading of several important solvers at both
>  coarse-grain (one block per thread) and fine-grain
>  (threads within a block) levels.
> 
> * Ability to add particles during evolution.
> 
> * Limited support for Chombo as an alternative AMR mesh package.
> 
> * Several new HEDP simulation setups.
> 
> * Hybrid PIC.  **
> 
> * Barnes-Hut-Tree based gravity solver.  **
> 
> * Primordial chemistry.  **
> 
> * Sink particles.  **
> 
> 
> The release also includes several new features and resolves a number
> of bugs found in previous releases up to 4-beta.
> 
> 
> Please see the attachment for a more detailed summary,
> and for download instructions.
> 
> 
> Development of the FLASH Code was funded by the DOE-supported
> ASC/Alliance Center for Astrophysical Thermonuclear Flashes,
> and continues to be funded by DOE NNSA and NSF.  
> We acknowledge support received from Lawrence Livermore National
> Laboratory and the University of Chicago.
> 
> All publications resulting from the use of the FLASH Code must
> acknowledge the Flash Center for Computational Science.
> Addition of the following text to the paper acknowledgments
> will be sufficient.
> 
>         "The software used in this work was in part developed by the
>         DOE- and NSF-supported Flash Center for Computational Science
>         at the University of Chicago."
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