section_heading: Osnovne jednadžbe za opis strujanja fluida
paragraph_text: <math> \frac{\partial \left( \rho v_i \right)}{\partial t} = - \frac{\partial \left( \rho v_j v_i \right)}{\partial x_j} + \rho f_i\it - \frac{\partial p}{\partial x_i} + \mu \frac{\partial^{2} v_i}{\partial x_j \partial x_j} </math>