10 more days to , the annual international workshop focused on .
The complete program is available at <spheric2022.it/>.

I'm still alive (woohoo!) and losing my mind as I rush to finish all the things that are still needed before June 6 ...

One thing for sure: after this I will have a redoubled appreciation for the people organizing events and the amount of work that goes into make sure that participants have the smoothest experience possible.

I started writing the first #SpaceTalkTuesday thread about planetary habitability, but quickly realized you all need some background on how we *find* planets first!

So sorry to everyone who voted for habitability, but we’re doing HOW TO FIND AN EXOPLANET 🔭 today!

I promise this will make the habitability thread next week make even more sense (1/)

Oh wow. Thank you so much to @FediFollows for suggesting me, this kind of blew up!

(Also terribly sorry for being a little absent these days, organizing is really eating up all my time as the conference approaches.)

For a more hands-on learning experience, the upcoming 16th International Workshop <spheric2022.it> offers a fully dedicated to learning the basics of , from the theory to practical examples with a implementation.

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There's a lot to learn, and a lot to research, on . The Global Seminars <spheric-sph.org/global-seminar> cover many interesting aspects of the method and its applications, and are an excellent way to whet your appetite and pique your interest.

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The community of researchers and industrial users of is represented by , an with the objective of fostering the development of the method and its adoption <spheric-sph.org>.
defined 5 for :
GC1: , and
GC4: Coupling to other models
GC5: Applicability to

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was originally developed for (modelling star formation), but has expanded to , , , , , , just to name a few.
It has caught the attention of several industries, with applications ranging from the design of engines, tires and windshield wipers to the development of wave energy converters, ship-locks, fish-passes and dam spillways.


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These two properties give some advantages over more traditional methods (finite differences, finite element, finite volume), such as automatic mass conservation and natural (often implicit) handling of interfaces, large deformations or fragmentation.

In addition, the standard weakly-compressible formulation is embarrassingly parallel in nature, making it fit for implementation on high-performance parallel computing hardware. in particular has been a boon for SPH.

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Lagrangian: the computational elements (“particles”) move following (a discretized version of) the equations of motion (typically, the Euler or Navier–Stokes equations in the case).

Meshless: the computational elements are _disconnected_. There is no reference grid or mesh ‘connecting’ the particles: particles interact when they are within some prescribed (possibly non-constant) influence radius.

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Let's talk about ( for short, even though you'll see used on other sites, because also has a very common, very not-safe-for-work meaning …).

Why should we talk about it? Because it's relatively less known than other numerical methods, possibly undeservingly so, and because I love it.

So what is it? SPH is a Lagrangian meshless numerical method primarily used for (and more recently also ).

OK, the advanced web view in is definitely superior _but_ for the small detail of the broken CSS preventing columns from expanding to cover the whole page width, which has apparently been a known issue for 3 years now, with a simple fix available ... that hasn't been merged in yet.

me: Keeping my microphone muted because I keep coughing

teams, repeatedly: It sounds like you're making noise, should I unmute your mic?

I work at the Osservatorio Etneo, Catania section of the Italian National Institute for Geophysics and Volcanology .
Mathematician by formation, scientific software developer by necessity, I work on flow , assessment, mitigation.
Much of my work revolves around (), w/ a preference for ().
I should probably mention my interest in and , but I ran out of characters …


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