Fluid Mechanics

Fluid mechanics

\[ \huge \fcolorbox{transparent}{transparent}{ \(\dps \rho \mdv{\b{v}} = - \grad p + \div \left[ \eta \left\{ \grad \b{v} + (\grad \b{v})^\top - \frac{2}{3} (\div \b{v}) \b{I} \right\} \right] + \grad [ \zeta (\div \b{v}) ] + \rho \b{a}\) }\]