Gemunu Happawana

Education

Ph.D. Mechanical Engineering, Purdue University, West Lafayette, IN 1994
M.S. Applied Mathematics, Purdue University, Indianapolis, IN   1988 
B.Sc. Mathematics (with fifteen courses related to mechanical engineering) University of Colombo, Sri Lanka 1984 
CEng. Mechanical Engineering (Level 1), Council of Engineering (CEI) London, England1983 

Experience

ACADEMIC

01/12-Present Professor and Chair, Department of Mechanical Engineering, California State University, Fresno, CA

01/08-08/12 Associate Professor Department of Mechanical Engineering, California State University, Fresno, CA

03/01-12/07 Assistant Professor Department of Mechanical Engineering, Southern Methodist University, Dallas, TX.

09/98-03/01 Senior Lecturer Department of Mechanical Engineering, Southern Methodist University, Dallas, TX

09/94-08/98 Visiting Assistant Professor /Lecturer Department of Mechanical Engineering, Southern Methodist University, Dallas, TX

08/97-08/98 Adjunct Faculty Brookhaven College, Dallas, TX

01/89-08/94 Research Assistant School of Mechanical Engineering, Purdue University, IN.

05/88-12/88 Research Assistant School of Mechanical Engineering, Purdue University, Indianapolis, IN.

01/86-05/88 Teaching Assistant (with full instructional responsibility) Department of Mathematics, Purdue University, Indianapolis, IN.

INDUSTRIAL

 8/00- Present Consultant Photodigm, Inc, 1155 E. Collins Blvd, Richardson, TX  Principal Investigator on high power and high speed 1550 nm wavelength photodiode.

09/97-08/99 Chief Technology Officer Tecstar- the battery specialists, Suite 106, Carrolton, TX 

03/89-11/93 Automotive Consultant and Technologist Import Auto Pro, 1902 Lafayette Rd, Indianapolis, IN

Selected Publications and Presentations (last five years)

BOOKS

Machines and Society (with Dona Mularkey), Pearson Custom Publishing, ISBN: 0-536-85845-4.

Driveline Systems of Ground Vehicles: Theory and Design by Alexandr F Andreev, Viachaslau Kabanau and Vladimir Vantsevich, CRC Press, ISBN: 978-1-4398-1727-8. January, 2010 (Chapters written 2.1, 6.5, and 7.6.1).

REFEERED ARTICLES

A. Premasiri, G. Happawana, and A. Rosen 2007. SPIE Symposium on Biomedical Optics (BiOS). Optical Methods for Tumor Treatment and Detection: Mechanisms and Techniques in Photodynamic Therapy XVI, January 20-25, San Jose, CA. Development of high-yielding photonic light delivery system for photodynamic therapy of esophageal carcinomas.

A. Premasiri, G. Happawana, and A. Rosen 2007. Frontiers in Biomedical Devices Conference, June 7-8, Irvine, California. Analytical porous media light penetration model in PDT.

N. Shyrokau, G. S. Happawana, V. V. Vantsevich 2008. Proceedings of IMECE08 ASME International Mechanical Engineering Congress and Exposition, October 31 – November 6, Boston, Massachusetts, USA. Generalized model and computational algorithm for modeling passive driveline systems of awd automobiles.

A. Premasiri, G. S. Happawana, and A. Rosen 2008. ASME international mechanical engineering congress and exposition, Boston, Massachusetts, November. Porous Media Tumor Model for Light Penetration and Oxygen Diffusion During Photodynamic Therapy.

G.S. Happawana, A. Premasiri, and A. Rosen 2009. Proceedings of American Society Engineering Education, Pacific Southwestern Conference, March 20-21, San Diego, California. Design, fabrication, and analysis of photodynamic therapy oxygen monitoring system for use in esophageal carcinoma.

J. Rivera, G. Happawana, P. Reilly, and W. Mizuno 2010. Proceedings of American Society of Engineering Education, Pacific Southwestern Conference, March 25-28, Reno Nevada. Three stage vibration isolation for unmanned aerial vehicle gimbal targeting system.

G. Happawana and A. Gopi 2010. Proceedings of American Society of Engineering Education, Pacific Southwestern Conference, March 25-28, Reno Nevada. Six by six terrain vehicle for optimal mass, geometric configuration and tractive efficiency.