This above shows the method I used.

This type of floating point error occured, than I pressed OK and I got this :-

This are the above residual plot. I don't know whether my solution converged or not . 

It shows whole black color. I am not getting what it shows?

This above is the velocity contour, it shows whole blue but in reality it should vary as this is a diffuser. It should be highest in input and lowest in the output and the pressure should be the lowest in input and highest in output.

This is the X-Y plot about plane 5 , it shows nothing..

Please help! I am working on this project and I am in urgent need to do the simulation.