Walls

Boundary conditions

Top wavy wall

$u=v=0,T=T_c,0\le x\le L$ , $y=\frac{L}{2}\left(1+\sin 2n\pi x\right)$

Bottom wall

$u=v=0,T=T_h,0\le x\le L$

Left wall

$u=0,v=0,\frac{\partial T}{\partial x}=0,0\le y\le \frac{L}{2}$

Right wall

$u=0,v=0,\frac{\partial T}{\partial x}=0,0\le y\le \frac{L}{2}$