User talk:Wallaba

Wallaba's truncated-sphere shockwave -- how its supposed to be done: $$ \int_V \begin{cases} \theta &\in [0,2\pi] \\ \phi &\in [x,-x], x \leq \frac{\pi}{2} \\ r(t) &= v\cdot t + r_0 \\ \end{cases} dt $$