Enstrophy

There are two types of motion in continuum mechanics: translation and rotation.

1. ${\frac {1}{2}}mv^{2}$ gives us the energy of translation
2. Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \frac{1}{2}m \omega ^2} gives the energy of rotation, and we call this Enstrophy.