Thomas E. Lacy Jr., Ph.D., P.E.

PHONE:
325.2754 or 325.4049

EMAIL:
Lacy@AE.MsState.edu

Thomas E. Lacy Jr. received his Ph.D. in Mechanical Engineering from the Georgia Institute of Technology in 1998. He joined the Aerospace Engineering faculty in 2003.

• Aircraft Structures
• Solid Mechanics
  

Courses Taught:

Undergraduate

• Mechanics of Materials
• Aircraft Structures I
• Aircraft Structures II
• Mechanical Behavior of Materials
• Introduction to Finite Element Method (EM 4123)
  

Graduate

• Introduction to Finite Element Method (EM 6123)
• Advanced Mechanics of Materials
• Advanced Mechanics of Damage Tolerance
• Theory of Continuous Media (EM 8113)

Areas of Research:

• Continuum Damage Mechanics
• Damage Tolerance of Metallic and Composite Materials

Funding Agencies:

• National Science Foundation
• Federal Aviation Administration
• The Boeing Company

Select Journal Publications:

• Lacy, T.E. and Hwang, Y., 2003, "Numerical Modeling of Impact Damaged Sandwich Composites Subjected to Compression After Impact Loading," Composite Structures, 61(1), 115-128.
• Hijazi, A., Smith, B.L., and Lacy, T.E., "Residual Strength of Bolted Lap Joint Panels with Multiple Site Damage," to appear in the AIAA Journal of Aircraft, 2004.
• Hijazi, A., Lacy, T.E., and Smith, B.L. "Residual Strength of Bolted Lap Joint Panels Using the Critical CTOA Criterion," to appear in the AIAA Journal of Aircraft, 2004.
• Lacy, T.E., Samarah, I.K., and Tomblin, J.S., 2002, "Damage Resistance Characterization of Sandwich Composites Using Response Surfaces," SAE Transactions, Journal of Aerospace, 126-146.
• Lacy, T.E., McDowell, D.L., and Talreja, R., 1999, “Gradient Concepts for Evolution of Damage,” Mechanics of Materials, 31(12), 831-861.
• Lacy, T.E., McDowell, D.L., Willice, P.A., and Talreja, R., 1997, “On Representation of Damage Evolution in Continuum Damage Mechanics,” International Journal of Damage Mechanics, 6(1), 62-95.

Select Conference Presentations/Proceedings:

• Cope, D.A, Lacy, T.E., and Luzar, J., 2002, "Application of Advanced Fracture Mechanics Methods for KC-135 Fuselage Structural Integrity Evaluation," in the Proceedings of the 6th Joint DoD/FAA/NASA Conference on Aging Aircraft, September 16-19, 2002, San Francisco, California.
• Hwang, Y., and Lacy, T.E., "Numerical Modeling of Impact Damaged Sandwich Composites Subjected to Compression After Impact Loading," presented at the 14th U.S. National Congress of Theoretical and Applied Mechanics, Blacksburg, Virginia, June 23-28, 2002.
• Boudraa, T., Lacy, T.E., and Hijazi, A., "Critical Crack Tip Opening Angle (CTOA) Determination for Thin Sheet Aluminum Alloy," presented at the SAE General Aviation Technology Conference and Exposition, Wichita, Kansas, 16-18 April 2002.
• Cope, D.A, and Lacy T.E., “Modeling Mechanical Fasteners in Lap Joints for Stress Intensity Determination,” in the Proceedings of the 4th Joint DoD/FAA/NASA Conference on Aging Aircraft, St. Louis, Missouri, May 15-18, 2000.
• Lacy, T.E., McDowell, D.L., and Talreja, R., "Non-Local Concepts for Evolution of Damage," presented at the Symposium on Scale Effects in Heterogeneous Materials, ASME International Mechanical Engineering Congress and Exposition, Anaheim, California, November 15-20, 1998.

Honors and Awards:

• Selected to Who's Who Among America's Teachers, 2002
• Licensed Professional Engineer (Georgia)
• NASA GSRP Fellowship Recipient
• Recipient, National Institute for Aviation Research faculty fellowship, Wichita State University, 1998-2003
• Recipient, 2001 Duane and Velma Wallace Outstanding Educator Award for Excellence in Teaching, Wichita State University

Professional Memberships:

• American Society of Mechanical Engineers (ASME)