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I am working on a computer model of a billiard-ball-universe in 2d in order to understand the motion equations, forces, collisions etc. I want to try to simulate heat using circles/dots representing air particles, colliding among themselves and a surrounding rectangle representing the walls of an 'oven'. I read that heat is the average speed of the molecules.

As an oven warms up:

Would simply increasing the speed of a particle as it bounces off the wall be a correct way to represent heat transition? Or possibly shoot particles from the wall into the oven? Would these particles be photons or molecules themselves?

Can you model heat using lines and circles at all or doesnt that come close?

Any help would be appreciated. :!!)

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# How exactly is heat transferred?

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