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POKEMON Aerodynamic Analysis !!
Who's better? Latias or Latios? POKEMON Simulations: Aerodynamic Analysis. Complete project and simulation files are available here: https://www.fetchcfd.com/view-project/205-
Fluent simulation files for "LATIOS" only, can be downloaded from here: https://www.fetchcfd.com/view-project/203-
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Today’s most exciting structure (tagged as sevenBurst)! This is a ‘plant’ that has two types of nodes: The first, I will call Growy, moves towards a weighted average of 1) the average direction of collided spheres and 2) the previous internode direction. The other, lets call it Branchy, generates a little ‘star-burst’ pattern. Each Growy node knows how many nodes it is away from the last branchy node. When a growy node gets created that is n nodes away from its branchy predecessor, it creates a new branchy node. In this case n=8. Branchy nodes spawn n=7 growy nodes in a radial pattern orthogonal to the internode vector.
Notice that all the branches maintain their distance from one-another. This is a nice result of using this diffusion-limited-aggregation-like method with the spheres; the structure blocks other parts of the structure from the jittering spheres, so it self-avoids. Of course, this 7branching structure could very easily be expressed with an l-system, but forcing an l-system to self-avoid and have all these organic curves would be a bit clunky. Perhaps I am just trading one type of clunky for another: The length of the first paragraph suggests the definition of such a structure requires a lot of code. Well it does, at the moment. But all of this is practice for create a neural-net like genetic code which takes in particle collisions and decides what to do (where to spawn a new node, die, etc.) Then I don’t have to write the growth rules; they get generated!
This is the sound two black holes falling into each other make. (One is a million times bigger than the other in this case). As any two black holes orbit each other, energy is lost in the form of gravitational waves, so the size of the orbit shrinks. As they get closer and closer, more and more energy is lost until they collide. (This happens for all objects to a lesser extent- for example Jupiter's orbit is radiating away 40W of gravitational energy.)
Note that yes, you would be able to hear this even in empty space. the sound is not caused by vibrations in the air but the rippling of spacetime itself. But if you were floating through space in your spaceship and started to hear this you're gonna wanna get the fuck away from it as fast as you can.
Here's a depiction of what the waves would be doing for an equal mass black hole merger from existing numerical simulations:
Due to the mathematical complexity of General Relativity, these simulations require massive computing power, thus we are currently limited to similar mass (~1:1 to 1:3) and extreme mass ratio cases.
Since this phenomenon would be the largest source of gravitational waves in the universe, we hope to observe such an event with projects such as LIGO and VIRGO. These are currently being upgraded to become the third generation of gravitational wave detectors, and have remarkable precision, able to detect spacetime distortions one millionth the size of an atom over their length of 4km. (-250 decibels, where 0 is the lower threshold of human hearing and 250 is an atomic blast from a few metres away.)
