Computational Fluid Dynamics
This is a free, online textbook offered by Bookboon.com. "This book provides the basics of Computational Fluid Dynamics (CFD) appropriate to modern day undergraduate study. The aim is to bridge the gap between books focusing on detailed theoretical analysis and commercial software user’s guides which do not contain significant theory. The book provides the reader with the theoretical background of basic CFD methods without going into deep detail into the mathematics or numerical algorithms."