GEORGE VARELIS

GEORGE E. VARELIS

SHORT CURRICULUM VITAEvarelis

 varelis

PERSONAL DATA

Date of Birth: 10th May, 1984
Place of Birth: Rhodes, Greece
Nationality: Greek
Address: Department of Mechanical Engineering,
University of Thessaly,
Pedion Areos, Volos 38334, Greece
Phones: +30-6976634257, +30-2421074063
Fax: +30-2421074012
Email: This email address is being protected from spambots. You need JavaScript enabled to view it., This email address is being protected from spambots. You need JavaScript enabled to view it.


EDUCATION

  • 2007: Diploma (5-year degree) in Civil Engineering, University of Thessaly, Volos, Greece. “Instrumented Dynamic Indentation of Metal Substrates by Sharp Indentors”, Advisor: Dr. A.E. Giannakopoulos.
  • 2010: Master of Science in Engineering (Μ.Sc.) in in Structural Mechanics, Department of Mechanical Engineering, University of Thessaly, Volos, Greece.. “Application of the Armstrong - Frederick Cyclic Plasticity Model for Simulating Structural Steel Member Behavior”, Advisor: Dr. S.A. Karamanos.


AWARDS - SCHOLARSHIPS

  • From the State Scholarships Foundation and Deligeorgis Foundation for best performance in the undergraduate academic years 2003-2004, 2004-2005, 2006-2007.
  • From the Technical Chamber of Greece for graduating first of my class from the Civil Engineering Department of the University of Thessaly.


RESEARCH

Research interests:Structural Mechanics, Numerical Methods and Finite Elements, Inelastic Behavior of Materials and Structures, Stability and Buckling, Design & Analysis of Steel Structures, Design & Analysis of Industrial Structures, Structural Dynamics & Earthquake Engineering.

PUBLICATIONS

Theses (Dissertations)

  • Varelis, G. E., Roumelioti, A.D., 2007. “Instrumented Dynamic Indentation of Metal Substrates by Sharp Indentors”, Diploma Thesis, Department of Civil Engineering, University of Thessaly.
  • Varelis, G.E., 2010. “Application of the Armstrong - Frederick Cyclic Plasticity Model for Simulating Structural Steel Member Behavior” Graduate Diploma (M.Sc.) Thesis, Department of Mechanical Engineering, University of Thessaly.
  • Varelis, G. E., 2013. “Numerical Simulation of Steel Member Response under Strong Cyclic Loading”PhD Dissertation, Department of Mechanical Engineering, University of Thessaly (in progress).

Publications in International Journals

  • Varelis, G. E., Karamanos, S. A., and Gresnigt, A. M., “Steel Elbow Response Under Strong Cyclic Loading.”, Journal of Pressure Vessel Technology, ASME, accepted for publication, to appear 2012.

Publications in Conferences

  • Giannakopoulos, A.E., Varelis, G.E. and Roumelioti, A.D., “Instrumented Dynamic Indentation of Metal Substrates by Sharp Indentors”, 8th HSTAM International Congress on Mechanics, pp. 585-592, Patras, Greece, July 2007.
  • Varelis, G. E., Vathi, M., Houliara, S., and Karamanos, S. A., “Effect of UOE Manufacturing Process on Pressure Buckling of Thick-walled Pipes.”, 2nd South-East European Conference on Computational Mechanics, SEECCM, paper SE151, Rhodos, Greece, June 2009.
  • Varelis, G. E., Vathi, M., Houliara, S., and Karamanos, S. A., “Effect of UOE Manufacturing Process on Pressure Buckling of Thick-walled Pipes.”, 10th International Conference on Computational Plasticity, COMPLAS X, Barcelona, Spain, September 2009.
  • Varelis, G. E., Pappa, P. and Karamanos, S. A., “Simulation of Industrial Elbow Response Under Strong Cyclic Loading.”, COMPDYN 2011 Conference, Corfu, Greece, May 2011.
  • Varelis G. E., Pappa P., Karamanos S.A., 2011, “Simulation of Industrial Elbow Response under Strong Cyclic Loading”,III ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, COMPDYN 2011, Corfu, Greece, 26–28 May 2011.
  • Varelis, G. E., and Karamanos, S. A., “J2 Bounding-Surface Plasticity Models for Simulation of Strong Cyclic Loading of Structural Steel Components.”, 7th GRACM International Congress on Computational Mechanics, Athens, Greece, June 2011
  • Varelis G.E., Pappa P., Karamanos S.A., 2011, “Finite Element Analysis of Industrial Steel Elbows Under Strong Cyclic Loading”, Pressure Vessels and Piping Conference, ASME, PVP2011, Baltimore, Maryland, 17 – 21 July 2011.
  • Pappa P., Varelis G. E., Karamanos S.A., Stefanou G., 2011, “Effects of Material Variability on the Seismic Performance of Steel Buildings” , 7th National Conference on Steel Structures , Volos, Greece, 29 - 30 September and 1 October 2011.
  • Varelis, G. E., Pournara, A. E., and Karamanos, S. A., “Strength and Stability of High-Strength Steel Tubular Beam-Columns Under Static and Cyclic Loads.”, 6th Eurosteel Conference, Budapest, Hungary, August 2011.
  • Varelis, G. E., Papatheocharis, Ch., Perdikaris, P. C., Karamanos, S. A., “Experimental and Numerical Investigation of High-Strength Steel Welded Tubular Connections Under Monotonic and Cyclic Loading.”, 6th Eurosteel Conference, Budapest, Hungary, August 2011.
  • Papatheocharis, Ch., Perdikaris, P. C., Varelis, G. E., Karamanos, S. A., “High-Strength Steel Welded Tubular Connections Under Extreme Loading Conditions.”, 7th National Conference on Metal Structures, Volos, Greece, September 2011
  • Varelis, G. E., Gresnigt, A. M., and Karamanos, S. A., “Steel Elbow Response Under Strong Cyclic Loading.”, 22nd International Ocean and Polar Engineering Conference, ISOPE12, Rhodos, Greece, June 2012
  • Varelis, G. E., Gresnigt, A. M., and Karamanos, S. A., “Steel Elbow Response Under Strong Cyclic Loading.” Pressure Vessel and Piping Conference, ASME, PVP2012-78346, Toronto, Canada, July 2012
  • Varelis, G. E., Papatheocharis, T., PerdikarisP.C. and Karamanos, S. A., “Structural Performance of High-Strength Steel Welded Joints Under Out-of-Plane Extreme Loading Conditions - Experimental And Numerical Investigation.”, 14th International Symposium on Tubular Structures (ISTS 14), Paper No. 98, London, UK, September 2012

REVIEWER IN INTERNATIONAL JOURNALS:

Journal of Structural Engineering
Journal of Pressure Vessel Technology



PARTICIPATION IN RESEARCH PROJECTS:

  • OPUS: Optimizing the seismic performance of steel and steel-concrete structures by standardizing materials quality control, Sponsor: European Commission, program RFSR-CT-2007-00039, (2007-2010)
  • PRECASTEEL: Prefabricated steel structures for low-rise buildings in seismic areas, Sponsor: European Commission, program RFSR-CT-2008-00035, (2007-2010)
  • STEELRETRO: Steel solutions for seismic retrofit and upgrade of existing constructions, Sponsor: European Commission, program RFSR-CT-2007-00050, (2007-2010)
  • ATTEL: Performance-based approaches for high strength tubular columns and connections under earthquake and fire loadings, Sponsor: European Commission, program RFSR-CT-2008-00037, (2008-2011)
  • HITUBES: Design and integrity assessment of high strength tubular structures for extreme loading conditions, Sponsor: European Commission, program RFSR-CT-2008-00035, (2008-2011)
  • INDUSE: Structural safety of industrial steel tanks, pressure vessels and piping systems under seismic loading, Sponsor: European Commission, program RFSR-CT-2009-00022, (2009-2012)
  • INNO-HYCO: Innovative Hybrid and composite steel-concrete structural solutions for building in seismic areas, Sponsor: European Commission, program RFSR-CT-2010-00025, (2010-2013)
  • ULCF: Innovative Hybrid and composite steel-concrete structural solutions for building in seismic areas, Sponsor: European Commission, program RFSR-CT-2011-00029, (2011-2014)