George N. Frantziskonis, PE

Frantziskonis
Professor, Civil Engineering and Engineering Mechanics
Professor, Materials Science and Engineering
P.O. Box 210072
University of Arizona, Tucson, AZ 85721-0072

Tel: 520-621-4347, Fax: 520-621-2550 frantzis @ email . arizona . edu

[ Teaching |Research ]

            Bookcover

               Education: Ph.D. 1986 - University of Arizona, B.S. 1982 - Aristotle University, Thessaloniki, Greece

              Registration:
                  - State of Arizona, Professional Engineer, License No. 43539
                  - European Union State Members, Professional Engineer, License No. GR-TEE-38462

             Awards include the Presidential Young Investigator Award (PYI, 1991) and the Fulbright Award (2001)

Current Research Activities:

Multiscale Material Characterization and Applications. Multiscale Interpretation of Experimental Results. Wavelet Analysis Behavior of Materials at Nano-scale - Surface Effects and Insensitivity to Defects
Probabilistic and Multiscale Material Description and Applications to Safety and Reliability Multiscale Simulation of Flow Over a Reactive Surface
Elastic Properties of Prostate Tumors and Relation to Early Detection of Prostate Cancer Compressed Air Energy Storage – System Design

Work Background

Jun. 2000 – present, Professor; Aug. 1994 – May 2000, Assoc. Prof.; Aug. 1988 – May 1994, Assist. Prof.: Department of Civil Engineering   and Engineering Mechanics, University of Arizona. Aug. 2001 – Jan. 2002: Visiting Professor, Fulbright Award, Department of Physics, National University of Science and Technology, Trondheim, Norway.
May & June 2001:  Professeur Invité, CDGA, Université Bordeaux 1, France. May 1997 – Aug. 1998 & May 1998 – Aug. 1997 & May 1993 – Jul. 1993:  Research Associate, Air Force Office of Scientific Research, Nondestructive Evaluation Branch, Wright Patterson Air Force Base, Ohio.
Oct. 1994 – Apr. 1995: Directeur Recherche Associé au CNRS (Centre National de Recherche Scientific),   Laboratoire de Mecanique et Technologie (LMT), Cachan, France.  Apr. 1994 – Sep. 1994:  Professeur Invité, Institute National Polytechnique de Grenoble, Laboratoire 3S, Grenoble, France.
Jun. 1991 – Jul. 1991:  Visiting Assistant Professor, Petroleum and Geological   Engineering, University of Oklahoma, Norman.  Oct. 1986 – Jun. 1988:  Visiting Scholar, Institute for Steel Structures, Aristotle University.
Aug. 1984 – Aug. 1986:  Research Assistant, College of Engineering, University of Arizona. Aug. 1983 – Aug. 1984: Teaching Assistant, College of Engineering, University of Arizona.

Publications:   >70 refereed Journal out of ~ 120 publications,
             including two edited books, 3 book chapters, 1 instructional book, 1 web-based book, and 1 web-based instructional module.

Selected Publications:

G. Frantziskonis and I. Vardoulakis, "On the Micro-Structure of  Surface Effects and Related Instabilities," Europ. J. Mechs. A/Solids, 11, 21-34, 1992.
I. Vardoulakis and G. Frantziskonis,"Micro-Structure in Kinematic-Hardening Plasticity," Europ. J. Mechs. A/Solids, 11, 467-486,1992.
D. Daniewicz and G. Frantziskonis, "On Edge Delamination in Laminated Composites ," Composite Struct., 21, 141-153, 1992.
G. Frantziskonis, C.S. Desai, F.F. Tang, and D. Daniewicz, "Degradation Mechanisms in Brittle Materials Investigated by Ultrasonic Scanning," Engr. Fracture Mechs, 42, 347-369,  1992.
G. Frantziskonis, "Surface Effects In Brittle Materials and Internal Length Estimation,"  Appl. Mech. Rev., 45, 3 (p2), S62-S70,  1992.
H. Dai and G. Frantziskonis, "Heterogeneity, Spatial Correlations, Size Effects and Dissipated Energy in Brittle Materials," Mechanics of Materials, 18 , 103-118,1994.
G. Frantziskonis, "On Scaling Phenomena in Fracture of  Heterogeneous Solids," Europ. J. Mechs. A/Solids, 13, 73-92, 1994.
G. Frantziskonis, P. Karpur, T. Matikas, S. Krishnamurthy and P. Jero, "Fiber Matrix Interface - Information from Experiments via Simulation," Composite Struct.,  29, 231-247, 1994.
G. Frantziskonis, "Heterogeneity and Implicated Surface Effects - Statistical, Fractal Formulation and Relevant Analytical Solution," Acta Mechanica, 108 ,  157-178, 1995.
G. Hong, A. Yializis and G. Frantziskonis, "Hygrothermal Degradation in Glass-Epoxy - Evaluation through Stress Wave Factors," Composite Struct., 30, 407-418, 1995.
G. Frantziskonis and B. Loret, "Scale Dependent Constitutive Relations -Information from Wavelet Analysis and Application to Localization Problems," Eur. J. Mechs. A/Solids, 14, 873-892, 1995.
M. J. Meisner and G. Frantziskonis, "Dissipated Energy as a Function of Material Microstructure: Towards Optimum Fracture-toughness," J. Mech. Beh. of Matls., 6, 285-300, 1996.
M.J. Meisner and G. Frantziskonis, "Multifractal Fracture-toughness Properties of Brittle Materials,"  J.Physics A, 29, 2657-2670, 1996.
G. Frantziskonis, P. Renaudin and D. Breysse, "Heterogeneous Solids: Part I - Analytical and Numerical 1-D Results on Boundary Effects," Eur. J. Mechs. A/Solids, 16, 423-452, 1997.
P. Renaudin, D. Breysse and G. Frantziskonis, "Heterogeneous Solids: Part II - Numerical Result on 2-D Boundary Effects and RelatedProblems," Eur. J. Mechs. A/Solids, 16, 453-470, 1997.
M. J. Meisner and G. Frantziskonis, "Heterogeneous Materials - Scaling Phenomena Relevant to Fracture and to Fracture Toughness" Chaos, Solitons & Fractals, 8, 151-170, 1997.

J.O. Vasseur, P.A. Deymier, G. Frantziskonis, G. Hong, B. Djafari-Rouhani, L. Dobrzynski, "Experimental Evidences for the Existence of Absolute Acoustic Bandgaps in Two-dimensional Periodic Composite Media," J. of Physics: Condensed Matter, 10, 6051-6064, 1998.

G. Frantziskonis, "Stochastic Modeling of Heterogeneous Materials - A Process for the Analysis and Evaluation of Alternative Formulations," Mechanics of Materials, 27, 165-175, 1998.

M. Budhu, S. Ramakrishnan and G. Frantziskonis, "A Lattice-type Model for the Behavior of Particulate Media," Int. J. Num. & Anal. Meth. in Geom., 23, 647-671, 1999.
G. Frantziskonis, L.B. Simon, J. Woo and T.E. Matikas, "Multiscale Characterization of Pitting Corrosion and Application to an Aluminum Alloy," Eur. J. Mechanics , A/Solids, 19, 309-318, 2000.
G. Frantziskonis and P.A. Deymier, "WaveletMethods for Analyzing and Bridging Simulations at Complementary Scales – the Compound Wavelet Matrix and Application to Microstructure Evolution," MSMSE , 8, 649-664,  2000.
G. Frantziskonis and A. Hansen, "Wavelet-based Multiscaling in Self-affine Random Media," Fractals , 8, 403-411,  2000.
M. Avlonitis, T. Ioannidou, G. Frantziskonis and E.C. Aifantis, "Statistical and Stochastic Aspects of Gradient Theory," J. Mech. Beh. Mat., 12, 77-84, 2001.
A. Konstantinidis , G. Frantziskonis, A. Carpinteri  and E.C. Aifantis, "Size Effects on Tensile Strength and Fracture Energy: Wavelets Versus Fractal Approach and Application to Concrete," J. Mech. Beh. Mat., 12, 85-94, 2001.
G. Frantziskonis, A. Konstandinidis and E.C. Aifantis, "Scale-dependent Constitutive Relations and the Role of Scale on Nominal Properties," Eur. J. Mechanics, A/Solids, 20, 925-936, 2001.
G. Frantziskonis, "Wavelet-based Multiscaling - Application to Material Porosity and Identification of Dominant Scales,"  Prob. Engr. Mechs., 17, 349-357, 2002.
G. Frantziskonis, "Multiscale Characterization of Materials with Distributed Pores and Inclusions and Application to Crack Formation in an Aluminum Alloy," Prob. Engr. Mechs., 17, 359-367, 2002.
G. Frantziskonis and P. Deymier, “Wavelet-based Spatial and Temporal Multiscaling: Bridging the Atomistic and Continuum Space and Time Scales,” Phys. Rev. B, 68, 024105, 2003.
G. Frantziskonis and A. Denis, "Complementarity Entropy and Wavelet Analysis of Drilling-Ability Data," Mathematical Geol., 35, 89-103, 2003. G. Frantziskonis and P. Deymier, "The Effects of Stress Concentrators on Strength of Materials at Nano Scale – A Molecular Dynamics Study," Mech. Res. Comm., 33, 352-358, 2006.
P.A. Deymier, K. Oh, K. Muralidharan, G. Frantziskonis and K. Runge, "Selection of Domains for Coarse and Fine Levels of Description in Mixed-Potential Simulations," Journal of Computer-Aided Materials Design (JCAD), 13, 17-44, 2006 G. Frantziskonis and P. Deymier, "Surface Effects at Nanoscale Significantly Reduce the Effects of Stress Concentrators," Prob. Engr. Mechs., 21, 277-286, 2006.
K. Muralidharan , S.K. Mishra ,  G. Frantziskonis,  P.A. Deymier, P. Nukala, S. Simunovic, S. Pannala, “The Dynamic Compound Wavelet Matrix Method for Multiphysics/multiscale Problems, Phys. Rev. E, 77, 026714, 2008.

G. Frantziskonis, K. Muralidharan, P. Deymier, S. Simunovic, P. Nukala, S. Pannala, “Time-parallel multiscale/multiphysics framework,” J.Comp. Phys., 228, 8085-8092, 2009.

S.K. Mishra, P. Deymier, K. Muralidharan, G. Frantziskonis, S. Pannala, S. Simunovic, “Modeling the coupling of reaction kinetics and hydrodynamics in a collapsing cavity,” Ultrason. Sonochem., 17, 258-265, 2010. G. Frantziskonis, “Lattice Boltzmann method for multimode wave propagation in viscoelastic media and in elastic solids,” Phys. Rev. E, 83, 066703, 2011.
G. Frantziskonis, “Temporal Scaling in Fatigue Life of Materials and Incorporation of Temporal Events in Paris’s Law,” J. Mech. Behavior of Materials, 21, 175-180, 2013. J.J. Proczka, K. Muralidharan, D. Vilela, J. Simmons, and G. Frantzoskonis, “Guidelines for the Efficient Sizing of Pressure Vessels for Compressed Air Energy Storage,” Energy Conversion and Management, 65, 597-605, 2013.
TEACHING AND DEVELOPMENT
Undergraduate Education
Course Experience and Relevant  Activities
- Fundamentals of Engineering Design — Hands-on experience for freshmen
- Engineering Mechanics, Statics — Core engineering course
- Strength of Materials — Core engineering course
- Engineering Design Graphics — Computer based drafting (taught as graduate teaching assistant)
- Junior Field Trip — Practicum experience for juniors
- Structural Analysis — First course in structures for juniors
- Materials Laboratory — Experimental property identification of various engineering materials
- Engineering Design — Senior design project, a major, team based, engineering project
- Introductory Finite Element Analysis — Technical elective course for seniors
Graduate Education
Course Experience and Relevant Activities
- Theory of Elasticity and Applications — Research as well as application oriented elasticity theory; students majoring in various engineering disciplines (Mechanics, Aerospace, Mechanical, Mining, Applied Math, etc.) take this course
- Plasticity Theory and Applications — Computationally and research oriented plasticity for "traditional" and modern materials
- Energy Methods in Mechanics — This "classical" course has been extended to include energy based stability, and chaotic behavior of structures
- Continuum Mechanics — Basic principles of solid mechanics
- Fracture Mechanics — This includes traditional and nontraditional themes, i.e. statistical fracture, scaling phenomena, numerical analysis etc.

Advanced tools, i.e., symbolic computations and numerical computations are now incorporated in some graduate
     courses. Multimedia technologies(WorldWide Web) are progressively incorporated into undergraduate education.

[Teaching |Research ]