iiinova — where your digital self keeps evolving

Wojciech (Vôitek) Aniszewski @aniszewski.bsky.social · 09/06/2026

It's single-phase Tuesday again! (First one, actually). Here's some grid turbulence loosely inspired by the paper of Usama et al. (doi.org/10.1016/j.co...) calculated in Basilisk (basilisk.fr). You see volume magnitude iso-surfaces with structure shedding. Visu in Paraview.

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Wojciech (Vôitek) Aniszewski @aniszewski.bsky.social · 08/04/2026

@esa.int isnn't marketing itself enough. All the world praises only NASA for the Artemis mission, even though the European Service Module (which is like half of the ship, good luck flying w/o it) is visible in almost all mission shots... (that circular thing to the left of the Moon here). Humanity.

The ESM visible during the Artemis 2 mission.

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Wojciech (Vôitek) Aniszewski @aniszewski.bsky.social · 30/03/2026

As I'm sure nobody has any idea about: 15y ago I have designed the cover of the ERCOFTAC (#ERCOFTAC) bulletin. (The graphic, seen below, has the color-manipulated foaming waters of the Polish Oder river.) As I have just been asked to redesign it, here's a goodbye look. New one premieres soon!

Cover image of the ERCOFTAC bulleting (with a fictional issue number coming from 2029). The image shows a color-manipulated turbulent flow.

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Wojciech (Vôitek) Aniszewski @aniszewski.bsky.social · 23/12/2025

On an unrelated note, here's water coating a perforated solid at Re=46. There's a high-Re air coflow too, eventually a film is established though. Such processes take place e.g. in cooling towers's heat exchangers. Fresh out of the oven, simulated in Basilisk.

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Wojciech (Vôitek) Aniszewski @aniszewski.bsky.social · 03/12/2025

Greetings from the fanclub! Yeah this one works for me after necessary modifications :) Keep'em comin' :)

A screenshot from a Linux system with an image made by S.C. in the background.

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Wojciech (Vôitek) Aniszewski @aniszewski.bsky.social · 28/10/2025

Is that a Petri Dish? No, it's viscous liquid in an (unnecessarily violent) rotational flow inside a solid cylinder. Color is vorticity. Simulation in Basilisk (www.basilisk.fr and bview).

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Wojciech (Vôitek) Aniszewski @aniszewski.bsky.social · 28/09/2025

Made this cabinet, on and off over the last 7 mo. As usual, *all* wood is palette/garbage/dumpster_finds. So its cost was 0 (but the man-hours would take you back some 4k€ easily). Some tech infos in the image alt-texts. Had tons of fun - and that's why it was made. #DIY #woodworking

The newly made cabinet (on the left). This is the painted furniture with four visible drawers, placed below a tabletop. Portions of the image are blurred.

Three shots of the wooden cabinet. (Left) the pine crate with four drawers (no side walls), some of them partially drawn. The center image has the side walls (palette wood pine/spruce) and drawers inserted. The third image (on the right) has the cabinet w/o drawers, with a fresh coat of paint (parts of the interior have transparent varnish).

A montage showing one of the four drawers I made for the project. I started with two large drawers found in a dump. Each of them was cut in half, resulting in four new drawers; these needed reconstructed walls as shown here, same goes for the wallnut fronts. Also, keyholes had to be made/remade and new locks bought. An old keyhole is visible above in the insert. While this one was re-filled and cemented, I made 4 of new such lock-nests in different locations...

Four images showing: the dovetail joint used in the crate (Upper-left), the assembled crate with two inner walls (upper-right), the crate while fitting drawer rails (lower-left), the cabinet design in Blender (lower-right).

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Wojciech (Vôitek) Aniszewski @aniszewski.bsky.social · 10/06/2025

The 1926 silent movie "The Johnstown Flood" showcased hundreds of early proofs of why fluid mechanics breaks your SFX. E.g. in this composite (~100y ago!) shot,we see a miniature flood,matchsticks pretending to be tree logs, people (rotoscoped in) and ...droplets with d=15cm. Good luck with that!

A still frame from the 1926 movie "The Johnstown Flood". This image shows a composite of miniatures, people (near the bottom-left, superposed over the miniature footage). The special effect is "broken" by the fact that the omnipresent water doesn't "behave" to scale, we get e.g. a huge, applie-sized droplets circled in the image. In Earth gravity, water won't create such forms, thus breaking the illusion.

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Wojciech (Vôitek) Aniszewski @aniszewski.bsky.social · 22/05/2025

Some 9mo ago I made a desk cabinet (I twitted about it here: x.com/echo_dancers... ). Now, I'm preparing it's left-hand-side brother, which due to a higher degree of complication, needs come prototyping in 3D...

a 3D rendering (in Blender) of a cabinet made of wood (the so-called "exploded view")

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Wojciech (Vôitek) Aniszewski @aniszewski.bsky.social · 11/05/2025

Ever thought you're living in a historic era of the breakthrough of the electric car? Well, no. Check out this Detroit Electric (prob. model 47). They used plug-in charging (pictured), had >300km range (in tests) at ~32km/h. And more style than a 'Tessler'. en.wikipedia.org/wiki/Detroit...

A Detroit Electric car during plug-in charging at an American home in the 1910s.

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Wojciech (Vôitek) Aniszewski @aniszewski.bsky.social · 03/04/2025

I asked our European ChatGPT version (Mistral le Chat) about it, and apparently it got so stupefied it didn't finish the sentence :)

A screenshot from the Mistral AI conversation when it explains how new tariffs announced on April 2nd 2025 are falsely called 'reciprocal'.

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Wojciech (Vôitek) Aniszewski @aniszewski.bsky.social · 04/03/2025

I battle-station-tested it :) Works great except, of course, had to transform the color palette a tad more into the LSD territory.

A screenshot of a Linux operational system desktop. 5 windows (and a notification) are visible, set against the backdrop wallpaper made from a graphics by Simone Conradi. The windows are partially transparent, many small letters are visible.

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Wojciech (Vôitek) Aniszewski @aniszewski.bsky.social · 03/01/2025

Getting a new agenda for 2025 meant a look at the 2024 one - and the previous one too. Here's four picks of my fav pages. See if you can spot just why I don't use Google Calendar... (11/03/2023, 05/06/2023, 05/17/2024, 12/10/2024)

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Wojciech (Vôitek) Aniszewski @aniszewski.bsky.social · 27/12/2024

I love 1-bit graphics. This excellent illustration - from Akio Tomiyama's 1998 invited talk given at the ICMF'98 in Lyon - shows just about what you need to know about a given bubble plume (and, granted, nothing more).

A black & white (1-bit) image of a series of bubble plumes

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Wojciech (Vôitek) Aniszewski @aniszewski.bsky.social · 26/12/2024

Splendid! Straight to desktop (this time no Wayland, just my regular Linux with Notion window manager)

An image showcasing the complex geometrical colorful pattern, with superimposed windows

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Wojciech (Vôitek) Aniszewski @aniszewski.bsky.social · 21/11/2024

Splashy here is what we get if we continue the Basilisk simulation I posted an animation of some days ago. Here, rendered with Blender, and then some...

A liquid jet splashing into a rotating solid, colored

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Wojciech (Vôitek) Aniszewski @aniszewski.bsky.social · 20/11/2024

Let's go with Henry V. Regnault (hint: not on the same year tho...)

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Wojciech (Vôitek) Aniszewski @aniszewski.bsky.social · 14/11/2024

A liquid (think, oil) jet, pretty laminar (Re approx 170, We=2500) crashes with a rotating wall (think, hot solid, to cool it down); splashing around and then slowly coating it. Heat transfers are there, but invisible in the vid... Simulated in Basilisk, visu in Bview, ffmpeg and some Bash...

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