www.discoverdesign.org
Consult subject guides for links to these types of materials:
Books
Handbooks
Magazine articles
Research articles
Patents
Properties of materials
Standards and codes
Web tools
These guides from other universities have helpful resources on design and creativity, but local access will differ from Khalifa University.
Worcester Polytechnic Institute
ASEE 2013 Paper Award
"Knowledge enabled engineering design: toward an integrated model"
by Michael Fosmire and David Radcliffe at Purdue University.