[SciPy-User] ANN: SOLVCON 0.1
Fri Aug 12 11:56:55 CDT 2011
Thanks for your explanation
I thought it would be something like this
On Fri, Aug 12, 2011 at 1:20 PM, Yung-Yu Chen <email@example.com> wrote:
> On Fri, Aug 12, 2011 at 01:49, Klonuo Umom <firstname.lastname@example.org> wrote:
>> Interesting package. Congratulations on making milestone release
>> I installed it and on a first look I can't see it workflow. On web
>> portal I found tip to follow examples that come with this package, but
>> those aren't trivial at all; I mean lot of classes and functions comes
>> from nowhare and it's like no walkthrough provided
> We have not put efforts to make the package user friendly. SOLVCON
> began with the idea to provide a framework to collect important
> supportive functionalities needed by CFD codes, to enhance the
> robustness and coding efficiency. The proof of concept turned out to
> be successful, and we realized that SOLVCON has great potentials to
> facilitate a new category of practices of building high-performance
> conservation-law solvers for high-fidelity solutions.
> In the time being, SOLVCON is made for experts in computational
> science. In the foreseeable future, our collaborators and we will
> make it more accurate, more scalable, and more versatile. You can
> find the plan for the forthcoming development at
> http://solvcon.net/yyc/writing/2011/solvcon_0.1.html . We hope
> SOLVCON can be used to renew the technology used in high-end
> calculations of PDEs, e.g., CFD, computational electromagnetism, etc.
>> If I may explain myself, I got summer seminar assigment, starting from
>> shallow water eqs to derive eq of absolute vorticity for nondivergent
>> flow in linearized form using perturbation method. I've done it by
>> hand, but would like to understand the process with some of Python
>> packages if feasible, and as staring eqs are hyperbolic PDEs maybe I
>> could use this package although it uses different method for solving.
>> Is it good idea to try to use this package, and if answer is yes, can
>> you maybe provide some starting point for this simple task?
> The package was geared up for large-scale, complex calculations.
> Using SOLVCON for very simple calculations would be an overkill.
> Unfortunately, the short answer to your question could be no.
> When dealing with multi-physics, we take the approach to model the
> underlying numerical algorithm, mathematics and physics as much as
> possible. The approach looks complicated at the first glance, but is
> actually concise from theories to implementations. We believe the
> conciseness or compactness is critically important for scaling SOLVCON
> from thousands of CPUs to hundreds of thousand of CPUs.
> The price for this approach is to prolong the path to generic
> representation of PDEs. We do hope to provide the capability to
> compile the PDEs written by users in a symbolic form for SOLVCON to
> execute automatically. But this won't happen in foreseeable future.
> If you want to know more about SOLVCON and its theoretical background,
> you can check up with my dissertation at
> http://solvcon.net/yyc/publications.html .
> with regards,
> Yung-Yu Chen
>> On Fri, Aug 12, 2011 at 5:44 AM, Yung-Yu Chen <email@example.com> wrote:
>>> I am pleased to announce version 0.1 of SOLVCON. SOLVCON is a Python-based,
>>> multi-physics software framework for solving first-order hyperbolic PDEs.
>>> The source tarball can be downloaded at
>>> http://bitbucket.org/yungyuc/solvcon/downloads . More information can be
>>> found at http://solvcon.net/ .
>>> This release marks a milestone of SOLVCON. Future development of SOLVCON will
>>> focus on production use. The planned directions include (i) the high-order
>>> CESE method, (ii) improving the scalability by consolidating the
>>> distributed-memory parallel code, (iii) expanding the capabilities of the
>>> existing solver kernels, and (iv) incorporating more physical processes.
>>> New features:
>>> - Glue BCs are added. A pair of collocated BCs can now be glued together to
>>> work as an internal interface. The glued BCs helps to dynamically turn on or
>>> off the BC pair.
>>> - ``solvcon.kerpak.cuse`` series solver kernels are changed to use OpenMP for
>>> multi-threaded computing. They were using a thread pool built-in SOLVCON for
>>> multi-threading. OpenMP makes multi-threaded functions more flexible in
>>> argument specification.
>>> - Add the ``soil/`` directory for providing building helpers for GCC 4.6.1.
>>> Note, the name ``gcc/`` is deliberately avoided for the directory, because of
>>> a bug in gcc itself (bug id 48306
>>> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48306 ).
>>> - Add ``-j`` command line option for building dependencies in the ``ground/``
>>> directory and the ``soil/`` directory. Note that ATLAS doesn't work with
>>> ``make -j N``.
>>> - METIS changes its download URL. Modify SConstruct accordingly.
>>> Yung-Yu Chen
>>> +1 (614) 859 2436
>>> SciPy-User mailing list
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