George Z. Voyiadjis

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NARRATIVE STATEMENT

George Z. Voyiadjis is the Boyd Professor at the Louisiana State University, in the Department of Civil and Environmental Engineering. This is the highest professorial rank awarded by the Louisiana State University System. He joined the faculty of the University of Louisiana State University in 1980. Voyiadjis’ primary research interest is in damage mechanics of metals and metal matrix composites with emphasis on the theoretical modeling and experimental correlation. Research activities of particular interest encompass macromechanical/micromechanical constitutive modeling, experimental procedure for quantification of crack densities, inelastic behavior, thermal effects, interfaces, damage, failure, fracture, and numerical modeling. His experience also includes work on modeling of cyclic plasticity for metals, refined theories for plates and shells, and numerical simulation of cone penetrometers and tunnel boring in clay soils. He has over 100 referred journal articles and 8 books (as editor) to his credit. Over thirty-two graduate students (16 Ph. D.) have completed degrees under his direction. He has also supervised eight post doctoral associates. Voyiadjis has been extremely successful in securing more than $3.0 million in research funds as a principal investigator from the National Science Foundation, the Department of Defense, the Air Force Office of Scientific Research, the Department of Transportation, and major companies such as IBM, and Martin Marietta. He has also been invited to give theme presentations and lectures in many countries around the world.

Voyiadjis is a Fellow of the American Society of Civil Engineers, the American Society of Mechanical Engineers, and the American Academy of Mechanics. He was the Chairman of the ASME Joint AMD-MD Committee on Constitutive Equations of the ASME, and the Chairman of the Inelasticity Committee of the ASCE Engineering Mechanics Division. He has organized and co-organized over twenty symposia in national and international conferences. He is on the editorial advisory board of the International Journal of Plasticity.

Voyiadjis served for two years from 1992-1994 as associate Dean of the Graduate School at Louisiana State University. Among his other University service activities he served on the LSU Graduate Council, LSU Council on Research, and LSU Program Review Council.

 

EDUCATION

 

D.Sc. May 1973, Columbia University, New York, New York

M.Sc. May 1970, California Institute of Technology, Pasadena, California

B.Sc. May 1969, Ain Shams University, Cairo, Egypt. Graduated with Distinction and First Degree Honors (highest honors). Graduated first in a class of 420 students.

 

 

AWARDS AND DISTINCTIONS

Recipient of the University-wide Award "Distinguished Research Master," Louisiana State University and Agricultural and Mechanical College (University Medal and Certificate), Lecture Presentation and Award: April 28, 1994.

MARQUIS Who's Who in Science and Engineering, 2nd Edition: 1994-95; 3rd Edition: 1996-97; 4th Edition: 1998-1999.

Recipient of the "Researcher of the Year Award," Department of Civil Engineering, Louisiana State University, May 1993.

Recipient of the "Educator Award," for the Distinguished Contribution in Research and Teaching, Department of Civil Engineering, Louisiana State University, April 1992.

Recipient of the University-wide Award, "H. M. "Hub" Cotton Award for Faculty Excellence," Louisiana State University and Agricultural and Mechanical College, May 1991.

Awarded the "Prize for Best Paper Published in the Canadian Society for Mechanical Engineering Transactions in 1984." The paper is entitled "Large Elasto-Plastic Deformations of Work-Hardening Metal Alloys," (CSME Transactions, Vol. 8, No. 2, 1984, pp. 77-83) and is co-authored by S. Navaee.

 

SELECTED PUBLICATIONS

BOOKS

1. Voyiadjis, G. Z., and Allen, D. H., editors, Studies in Applied Mechanics, Vol. 44, Damage and Interfacial Debonding in Composites, 275 p., Elsevier, Amsterdam, 1996.

2. Voyiadjis, G. Z., and Ju, J. W., editors, Studies in Applied Mechanics, Vol. 41, Inelasticity and Micromechanics of Metal Matrix Composites, 351 p., Elsevier, Amsterdam, 1994.

3. Voyiadjis, G. Z., editor, Studies in Applied Mechanics, Vol. 34, Damage in Composite Materials, 286 p., Elsevier, Amsterdam, 1993.

 

SCIENTIFIC PAPERS

1. Voyiadjis, G. Z., and Thiagarajan, G., "Micro and Macro Anisotropic Cyclic Damage-Plasticity Models for MMC's," International Journal of Engineering Science, Vol. 35, No. 5, 1997, pp. 467-484.

2. Voyiadjis, G. Z., and Park, T., "Anisotropic Damage Effect Tensors for the Symmetrization of the Effective Stress Tensor," Journal of Applied Mechanics, ASME, Vol. 64, 1997, pp. 106-110.

3. Voyiadjis, G. Z., Venson, A. R., and Kattan, P. I., "Experimental Determination of Damage Parameters in Uniaxially-Loaded Metal Matrix Composites Using the Overall Approach," International Journal of Plasticity, Vol. 11, No. 8, 1995, pp. 895-926.

4. Voyiadjis, G. Z., and Sivakumar, S. M., "A Robust Kinematic Hardening Rule for Cyclic Plasticity and Ratchetting Effects, Part II: Application to Nonproportional Loading Cases," Acta Mechanica, Vol. 107, No. 1-4, 1994, pp. 117-136.

5. Voyiadjis, G. Z., and Kattan, P. I., "Damage of Fiber-Reinforced Composite Materials with Micromechanical Characterization," International Journal of Solids and Structures, Vol. 30, No. 20, 1993, pp. 2757-2778.

6. Voyiadjis, G. Z., and Shi, G., "Nonlinear Post-Buckling Analysis of Plates and Shallow Shells by Four-Noded Quadrilateral Strain Element," Journal of the American Institute for Aeronautics and Astronautics, AIAA Journal, Vol. 30, No. 4, April 1992, pp. 1110-1116.

7. Voyiadjis, G. Z., and Foroozesh, M., "Anisotropic Distortional Yield Model," Journal of Applied Mechanics, ASME, Vol. 57, No. 3, September 1990, pp. 537-547.

8. Voyiadjis, G. Z., "Degradation of Elastic Modulus in Elasto-Plastic Coupling with Finite Strains," International Journal of Plasticity, Vol. 4, No. 4, 1988, pp. 335-353.

9. Voyiadjis, G.Z., "Experimental Determination of the Material Parameters of Elasto-Plastic, Work-Hardening Metal Alloys," Materials Science and Engineering Journal, Vol. 62, No. 1, January 1984, pp. 99-107.