Ansys Fluent Working Very Slow.
I recently downloaded Ansys Student 18.2 . I have been solving very basic fluid dynamics problems which may require 200 or 300 iterations at most to converge to the desired tolerance. However , my Ansys fluent software is working very slowly and is taking a lot of time to do the iterations. For instance to do 300 iterations it took close to one hour. My laptop has Intel Core i5 -2430M with 8GB Ram. A friend of mine who has the same processor on his laptop did the same problem on Ansys. He was able to do 300 iterations in 7.111s.
I would also like to mention that once when I started my laptop and opened Ansys Fluent; it worked properly. It performed all the solutions in a matter of seconds. However this was a one time occurrence; when I restarted my laptop ; Ansys Fluent went back to performing slowly.
I would be really grateful if someone could look into this matter.