[Ncep.list.wwatch3.discussion-group] WW3 updated to version 6.04: Implicit scheme with domain decomposition

[aron]

Hi Arun,

many thanks for your nice words.

Everybody should keep in mind that this is a new born baby we except 
that after we finish alpha and beta testing we will have a really great 
code. I really encourage as many as possible people to put their hands 
NOW or ASAP on the model, since this will greatly improve the final 
release.

It was really a great experience for me to work so tight with this nice 
youg enthusiastic scientist and I learned a lot myself and to be part of 
all this. With the help of the community we will get the most versatile 
wave model world wide, there is more to come ... real fun!

We are not doing a 1st validation study and I hereby invite everybody to 
join our efforts. As by now we will work on the validation for the

- Med & Adriatic

- Iroise

- Australia

- GoM, East Coast

I am happy to assist in mesh generation and validation. The technical 
paper and the documentation of the new schemes is now ongoing and we are 
eager to have this done before beta testing.

Cheers & happy modeling using triangles ... :)

Aron




On 08.06.2018 19:50, Arun Chawla - NOAA Federal wrote:
> We are very excited with this development of WAVEWATCH III. Kudos to 
> Ali, Jessica, Aron and Tyler for working so hard to get this 
> capability in (well a series of capabilities. It was very  hard to get 
> Aron to stop!). This is a significant milestone for WAVEWATCH III and 
> we are very proud of the work done by this team. Now like any new 
> significant development there are bound to be bugs so we would love 
> for everyone to test drive this shiny new car and let us know all the 
> issues that you find. Keep in mind that the real upgrade you will see 
> is when you try to run the very high resolution grids. As always we 
> rely on the community support to make this a success.
>
> Once again. Congratulations all ! And just in time for Fabrice to make 
> life miserable for all those unsuspecting souls at his summer school.
>
> ---------------------------------------------------------------
> Arun Chawla
> Acting Chief
> Engineering and Implementation Branch
> Room 2109
> National Center for Weather & Climate Prediction
> 5830 University Research Court
> College Park, MD 20740
> Ph: 301-683-3740
> Fx: 301-683-3703
> ------------------------------------------------------------
>
>
> On Fri, Jun 8, 2018 at 12:36 PM, Jessica Meixner - NOAA Federal 
> <jessica.meixner at noaa.gov <mailto:jessica.meixner at noaa.gov>> wrote:
>
>     Hi Everyone,
>
>     WAVEWATCH III is now at version 6.04 with the inclusion of the
>     ugdev2 branch! A quick list of the updates are:
>
>       * Implicit time integration was added for unstructured grids
>       * Domain decomposition was added for unstructured
>         implicit/explicit schemes using PDLIB (Parallel Domain
>         Decomposition Library) based on ParMetis
>       * The SHRD/DIST ISEA/JSEA process was updated with GET_ISEA_INIT
>         and GET_JSEA_INIT
>       * Improved preprocessing of unstructured grid arrays was developed
>       * New and more efficient wetting/drying was added for
>         unstructured grids
>       * A new switch pre-processor WW3_switch_process
>       * MEMCHECK options was added to trace memory usage during
>         runtime constructing a new interface to MALLOC and system msg.
>       * SETUP switch - implicit unstructured computation of wave setup
>         (experimental)
>       * Added various debug switches
>
>     More details can be found on the Vlab Issue at
>     https://vlab.ncep.noaa.gov/redmine/issues/51370
>     <https://vlab.ncep.noaa.gov/redmine/issues/51370>.
>
>     Please note that there were lots of changes made including various
>     bug fixes.  The changes in the structured regtests if any, were
>     small in magnitude. Due to the large amounts of changes, I would
>     be a recommend making a test of your applications to insure there
>     are no issues/./ If you do have problems, please create an issue
>     describing it on Vlab
>     (https://vlab.ncep.noaa.gov/redmine/projects/emc-ww3/issues/new
>     <https://vlab.ncep.noaa.gov/redmine/projects/emc-ww3/issues/new>)
>     adding Aron, Ali and me as watchers or send an email (emails:
>     aaronroland at gmx.de <mailto:aaronroland at gmx.de>,
>     ali.abdolali at noaa.gov <mailto:ali.abdolali at noaa.gov>,
>     jessica.meixner at noaa.gov <mailto:jessica.meixner at noaa.gov>).
>
>     The next commit will be from the nml branch, and then we will be
>     making an alpha release.
>
>     Best,
>     Jessica
>
>     -- 
>     Jessica Meixner
>     NCEP/EMC
>     NOAA Center for Weather and Climate Prediction
>
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>
>
>
>
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