Respond, then paste the last thing you copied 1.2 |
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Who? Why am I drawing a New Years thing 4 weeks early |
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idk why are you?? chill out Messages: 8415 |
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Wooo :0 good :v☆ Pine Marten |
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Pineapplepen Fall |
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AUTUMN BITCH Hola Como estas? Pues, quireres saber lo de la rutina diaria de mi familia. Normalmente nos levantamos temprano y nos acostamos un poco tarde porque comemos la cena a las 10h. Vamos al mercado diariamente aqui en Cuenca. Tengo que ir con mi mamá para ayudarla. Me dicen que en tu país es muy común ir al supermercado los sábados. ¿Es verdad? ¿Cuándo vas al supermercado? ¿Qué compras generalmente? Y, ¿que haces como rutina diaria? ¿que hace tu familia para divertirse juntos? Me gustaría saber todo. Hasta pronto, Raquel |
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wat • [Moderatorius] Tu negali kalbėti 44 valanda(-ų/ -as). Priežastis: Flood. (EN; mute 44h, AHAHAHAHA) |
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Oh. Always with the mutes. 1.) The idea that bee's can't fly according to the laws of physics is bullshit that was debunked a century ago. If you assume that the flow of air around a bees wing is well approximated by static potential flow (a fluid without viscosity and a fluid that is irrotational, meaning that differential fluid elements are not deformed as they move through the flow, they are only translated) then you find that the required velocity to achieve the required lift is orders of magnitude larger than what bees fly at. However potential flow theory is shit in real life, as thin boundary layers develop due to any non zero value of the viscosity. These boundary layers introduce vorticity which introduces the deformation of infinitely small fluid elements and introduces angular momentum. The static assumption is also shit because the introduction of a vorticity source in a non stokesian regime (where inertial forces are non negligible) means that all static solutions are linearly unstable, and any infinitely small perturbation from the static solution will lead to the static solution breaking down and becoming time dependent (think of a long thin rod balanced up right at 90 degrees; if it's at exactly 90 degrees then it will forever stay at 90 degrees, but if it's at 89.99999999999999999 degrees then it will eventually fall over), therefore there is no asymptote towards a static solution so you cannot compute anything from static solutions and have it be valid. Plus there's the entire issue that the flow cannot be time independent since the boundary conditions are time dependent (the location of the wings and the velocity at the surface of the wings varies with time). In reality what happens is that the wings flap in such a way to produce numerous vortex's which form and separate from the wing, producing varying pressures all along the wing and around the insects body that produces a net lift (you can also view it as the vortexes deflecting fluid flow downwards, resulting in a net force upwards on the wings and the insects body, although the actual mechanism through which this occurs is via the pressure). So you can see why steady state models with no viscosity and no vorticity fail to produce accurate models of lift ; because insect flight involves explicity unsteady mechanisms which generate vortexes through "viscous" (vorticity source of insect body) and "invicsous" methods. |
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Did you watch the bee movie? <C><P /><Z><S><S X="391" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /><S X="431" o="324650" L="10" Y="209" H="10" P="1,0,0.3,0.2,0,0,0,0" T="13" /></S><D /><O /></Z></C> |
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Would be nice if you put that in a spoiler. :'> ¯\_(ツ)_/¯ |
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Cute face Fall |
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Okay? [Hydroninja] They should make a Snickers oreo. [Tartlmancer] OOOH YES [Bink8wink] Oh god. [Bink8wink] Hydro. [Bink8wink] Diabetes. [Hydroninja] HOLY SHIT, DO IT OREO COMPANY THINGY! |
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lol ok weird ![]() |
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Is he saying "What? How?" Megalo Strike Back |
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What even ![]() |
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So THAT'S what you look like! salty azz fucc |
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what • [Moderatorius] Tu negali kalbėti 22 valanda(-ų/ -as). Priežastis: Flood. |
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I don't understand that language http://avatars.atelier801.com/6349/86006349.jpg?1481120814341 |
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:) ![]() |
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cute ![]() |
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Ho ho ho ![]() |