Joining with professional forums make you to access wide range of knowledge stuff. You can find more stuff than simply searching over it on your favorite search engine. As example think that you want to find simulation example files of Refinery Operations on the Web. Searching on search engine will fed up you. But after joining with a chemical engineering professional forums you will be able to post about your question and get simulation files which is done by other chemical engineers.
ChE forums is one recommence, try it