Flame — ∂T/∂t = α∇²T + Q(x,y)

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Flame

∂T/∂t = α∇²T + Q(x,y)

Advection-diffusion with a heat source — energy flowing upward, consuming and renewing.

Energy that consumes itself to stay alive

Part of: DESIRE

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Eclipse — I(r) = I₀ · (1 - disk(r/R))

Eclipse

I(r) = I₀ · (1 - disk(r/R))

Hunger — dN/dt = rN(1 - N/K) - aN/(1+bN)

Hunger

dN/dt = rN(1 - N/K) - aN/(1+bN)

$Inspiral — r(t) = r₀(1 - t/t_c)^{1/4}$

Inspiral

r(t) = r₀(1 - t/t_c)^{1/4}

Pursuit — dr/dt = v₁ · (r_target - r)/||r_target - r||

Pursuit

dr/dt = v₁ · (r_target - r)/||r_target - r||