The Introduction in which you tell the reader what topic you are covering and why.
The Body in which you relate what your literature review found.
This section needs to be grouped by the patterns or commonalities that you found during your reading and from the matrix. Your groupings could be by
Topic or Issue
The Summary in which you draw conclusions about the significant events, discoveries, flaws and work that still needs to be done.
Highly Recommended Viewing ...
Get Lit: The Literature Review Candace Schaefer, Associate Director of the University Writing Center at Texas A&M
Although the speaker is addressing a class consisting of graduate students from all subject areas, the advice applies to engineering.
You can skip the first part of this video but do view these sections:
15m 20s What are you looking for when you are reading the literature
18m 10s How to organize your review
23m 47s Content:
23m 47s: Placing the literature within the scholarly debate
29m 30s: Attribution, citation, quoting
34m 10s: Connecting ideas
38m 30s: Positioning your research in the scholarly debate
The readings and videos listed below also give advice on writing the review.