Sir, I am working on 3D modelling of a building in AutoCAD 2010. The 3D
model has 7 elements ie... walls, roof and its constituents and floor
and its constituents. I have to mesh the 3D model created so that I can
use the meshed model for further analysis. Is there any method for
meshing the created 3D model in AutoCAD?

See the related tip:http://www.cadforum.cz/cadforum_en/how-to-convert-a-3dsolid-to-3dmesh-or-3dfaces-tip8318

What kind of building were you drawing that you created it with a mesh?  Seems a bit unusual.

The process of rapid prototyping is exactly like it sounds: prototypes
of products are quickly produced so that companies can move forward with
final production. it has grown from producing models and prototype parts alone to being
used by sculptors for art exhibits and used by manufacturing companies
to produce market ready parts in small numbers.

[QUOTE=Abhimanyu singh]
The process of rapid prototyping is exactly like it sounds[/QUOTE]
Not in this case, sir.I guess the OP was simply wanting to build VIRTUAL (not real) model for further analysis like FEM.

Abhi:  What does rapid prototyping have to do with modeling a building inside of AutoCAD?