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Contact Information

Your comments, suggestions, and contributions are welcome!  If you have good ideas for homework problems, exercise problems, links, figures, articles, please don't hesitate to contact the author.

To contact the author, write to Chang Liu directly by email. 

Mail can be sent to the following postal address

Chang Liu
Mechanical Engineering Department
2145 Sheridan Road
Northwestern University
Evanston, IL 60093
USA