Added another mesh, geometry and a CFD solution using the mesh.
Added another mesh, geometry and a CFD solution using the mesh.

Major modifications:
- 
Minor modifications:
- Added another mesh, geometry and a CFD solution using the mesh.
- Trimmed mesh picture white border.

Notes:
- Showing the capability of being used in practical problems.
heySourabh/StructuredMeshGenerator2D,heySourabh/StructuredMeshGenerator2D