Update roshan2024.md

Author: akoushb

roshan2024.md

@@ -14,7 +14,7 @@ convection. It consists of a thin layer of fluid confined between a pair of para
 cooler than the bottom plate, and when this temperature difference is sufficiently high, a convective flow arises.This phenomenon can be simulated numerically by solving the incompressible Navier-Stokes equations under the
 Boussinesq approximation:  
 
-$$\frac{\partial \mathbf{u}^*}{\partial t^*} + \mathbf{u}^* \cdot \nabla \mathbf{u}^* = -\frac{1}{\rho_0} \nabla p^* + \nu \nabla^2 \mathbf{u}^* + \alpha g T^* \hat{\mathbf{z}}$$
+$\frac{\partial \mathbf{u}^*}{\partial t^*} + \mathbf{u}^* \cdot \nabla \mathbf{u}^* = -\frac{1}{\rho_0} \nabla p^* + \nu \nabla^2 \mathbf{u}^* + \alpha g T^* \hat{\mathbf{z}}$
 
 $$\frac{\partial T^*}{\partial t^*} + \mathbf{u}^* \cdot \nabla T^* = \kappa \nabla^2 T^* $$