Dr. George S. Stefanou

 

Last modified: 08/31/2007

 

·         Personal Information

·         Educational Background

·         Awards

·         Publications

·         Participation in International Conferences

·         Professional Activities

·         Grants and Contracts

·         Research Interests

·         General Interests

 

 

 

·        Personal Information

 

 

Surname:                   Stefanou  

 

Name:                       George

 

Date of birth:             July 14, 1975

 

Nationality:                Hellenic

 

Affiliation:                  School of Civil Engineering

                                 Institute of Structural Analysis & Seismic Research

                                 National Technical University of Athens (NTUA)

                                 Zografou Campus

                                 157 80 Athens, Greece

                                 

E-mail:                       stegesa@central.ntua.gr

 

Fax:                           +30 210 7721693

 

Profession:                 Dipl. Civil Engineer

 

Speciality:                  Structural Engineering

 

 

 

·        Educational Background

 

 

1987-1993           Basic education at the “Ecole Franco-Hellénique Saint-Paul” Piraeus, Greece

 

1993-1998                      National Technical University of Athens (NTUA), Greece

                            School of Civil Engineering (5 year diploma course),

                            Diploma in Civil Engineering

 

1999-2000           National Technical University of Athens (NTUA), Greece

                            School of Civil Engineering

                            MSc Degree in Structural Engineering

 

2001-2004           National Technical University of Athens (NTUA), Greece

                            School of Civil Engineering

                            Institute of Structural Analysis & Seismic Research

                            PhD Degree in Computational Mechanics (PhD defense: March 2005)

 

2005-today          Research Associate at the Institute of Structural Analysis & Seismic Research of NTUA

 

 

 

·        Awards

 

 

1.        First Prize of the Hellenic Society for Theoretical and Applied Mechanics (HSTAM) for the Diploma Thesis.

 

2.        “2001 Thomaidis Award for the Progress of Science and Art” awarded to the paper: J. Argyris, M. Papadrakakis and G. Stefanou. Stochastic Finite Element Analysis of shells. Proc. of the 2nd European Conference on Computational Mechanics (ECCM- 2001), Cracow, Poland, June 26-29, 2001.

 

3.        The Young Researcher Fellowship Award for exemplary research in computational mechanics (Second M.I.T. Conference on Computational Fluid and Solid Mechanics, Cambridge MA U.S.A. June 17-20, 2003).

 

4.        “2003 Thomaidis Award for the Progress of Science and Art” awarded to the paper: G. Stefanou, M. Papadrakakis. Finite element analysis of shells with multiple random material and geometric properties. Proc. of the Second M.I.T. Conference on Computational Fluid and Solid Mechanics, Cambridge MA U.S.A. June 17-20, 2003.

 

 

 

·        Publications

 

 

É.  Diploma – Postgraduate – Doctoral Thesis

 

1.        G. Stefanou. “Stochastic finite elements for beam, plane stress, plate bending and shell problems”, Diploma Thesis, NTUA, 1998 (Supervisor: Prof. Manolis Papadrakakis).

 

2.        G. Stefanou. “Computational methods for stochastic structural analysis”, Postgraduate Thesis, NTUA, 2000 (Supervisor: Prof. Manolis Papadrakakis).

 

3.        G. Stefanou. “Stochastic finite element analysis of shells”, Doctoral Thesis, NTUA, 2005 (Supervisor: Prof. Manolis Papadrakakis). For a summary of the thesis, click here.

 

 

ÉI.  Papers in International Refereed Journals

 

1.        J. Argyris, M. Papadrakakis, G. Stefanou. Stochastic finite element analysis of shells, Computer Methods in Applied Mechanics and Engineering 191, 4781-4804, 2002 (For ScienceDirect subscribers, a full feature html copy).

 

2.        G. Stefanou, M. Papadrakakis. Stochastic finite element analysis of shells with combined random material and geometric properties, Computer Methods in Applied Mechanics and Engineering 193, 139-160, 2004 (For ScienceDirect subscribers, a full feature html copy).

 

3.        N. D. Lagaros, G. Stefanou, M. Papadrakakis. An enhanced hybrid method for the simulation of highly skewed non-Gaussian stochastic fields, Computer Methods in Applied Mechanics and Engineering 194, 4824-4844, 2005 (For ScienceDirect subscribers, a full feature html copy).

 

4.        G. Stefanou, M. Papadrakakis. Assessment of spectral representation and Karhunen-Loève expansion methods for the simulation of Gaussian stochastic fields, Computer Methods in Applied Mechanics and Engineering 196, 2465-2477, 2007 (For ScienceDirect subscribers, a full feature html copy).

 

5.        N. D. Lagaros, M. Papadrakakis, M. Fragiadakis, G. Stefanou, Y. Tsompanakis. Neural network aided stochastic computations and earthquake engineering, Computer Assisted Mechanics and Engineering Sciences, 14, 251-275 (2007). 

 

 

ÉÉI.  Papers in International Conference Proceedings

 

1.        J. Argyris, M. Papadrakakis, G. Stefanou and A. Kotsopulos. Derivation of the stochastic stiffness matrix for the triangular shell element TRIC. Proc. of the 1st European Conference on Computational Mechanics (ECCM ’99), München, Germany, Aug.31-Sep.3, 1999.

 

2.        J. Argyris, M. Papadrakakis, G. Stefanou and A. Kotsopulos. A stochastic stiffness matrix for the triangular shell element TRIC. Proc. of USNCCM VI, Boulder CO U.S.A, 1999.

 

3.        J. Argyris, M. Papadrakakis and G. Stefanou. Stochastic Finite Element Analysis of Shells. Proc. of the 2nd European Conference on Computational Mechanics (ECCM-2001), Cracow, Poland, June 26-29, 2001.

 

4.        V. Papadopoulos, M. Papadrakakis, G. Stefanou. Stochastic Finite Element Analysis of Cylindrical Shells with Random Initial Imperfections, Proc. of the 4th International Conference on Computational Stochastic Mechanics (CSM 4), Corfu, Greece, June 9-12, 2002.

 

5.        V. Papadopoulos, M. Papadrakakis, G. Stefanou. Stochastic Finite Element Analysis of Imperfect Cylindrical Panels, Proc. of the 5th World Congress on Computational Mechanics, WCCM V, Vienna, Austria, July 7-12, 2002. Available at http://wccm.tuwien.ac.at.

 

6.        D. C. Charmpis, M. Papadrakakis, G. Stefanou. A Domain Decomposition Solution for the Stochastic Finite Element Analysis of Shells, Proc. of the 5th World Congress on Computational Mechanics (Keynote Lecture), WCCM V, Vienna, Austria, July 7-12, 2002. Available at http://wccm.tuwien.ac.at.

 

7.        G. Stefanou, M. Papadrakakis. Finite element analysis of shells with multiple random material and geometric properties, Proc. of the Second M.I.T. Conference on Computational Fluid and Solid Mechanics, Cambridge MA U.S.A. June 17-20, 2003.

 

8.        C. Soutis, M. Papadrakakis, G. Stefanou. A stochastic approach to the fiber micro-buckling problem in layered composites, Proc. of the 11th European Conference on Composite Materials (ECCM 11), Rhodes, Greece, May 31-June 3, 2004.

 

9.        G. Stefanou, N. D. Lagaros, M. Papadrakakis. An efficient method for the simulation of highly skewed non-Gaussian stochastic fields, Proc. of the 4th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2004), Jyväskylä, Finland, July 24-28, 2004.

 

10.    N. D. Lagaros, G. Stefanou, M. Papadrakakis. Super efficient neural network based simulation of highly skewed non-Gaussian stochastic fields, Proc. of the 6th World Congress on Computational Mechanics, WCCM VI, Beijing, China, September 5-10, 2004.

 

11.    G. Stefanou, N. D. Lagaros, M. Papadrakakis. Computationally efficient simulation of highly skewed non-Gaussian stochastic fields, Proc. of the 1st International Conference from Scientific Computing to Computational Engineering (1st IC-SCCE), Athens, Greece, September 8-10, 2004.

 

12.    G. Stefanou, A. Kallimanis, M. Papadrakakis. On the efficiency of the Karhunen-Loève expansion for the simulation of Gaussian stochastic fields, Proc. of 9th International Conference on Structural Safety & Reliability (ICOSSAR 2005), Rome, Italy, June 19-23, 2005.

 

13.    N. D. Lagaros, M. Papadrakakis, M. Fragiadakis, G. Stefanou, Y. Tsompanakis. Recent developments in neural network-aided stochastic computations and earthquake engineering, Proc. of International Symposium on Neural Networks and Soft Computing in Structural Engineering (NNSC-2005), Cracow, Poland, June 30 - July 2, 2005.

 

14.    N. D. Lagaros, G. Stefanou, M. Papadrakakis. A novel approach for the efficient simulation of highly skewed non-Gaussian stochastic fields, Proc. of the 3rd European Conference on Computational Mechanics (ECCM-2006), Lisbon, Portugal, June 5-9, 2006.

 

15.    G. Stefanou, M. Papadrakakis. On the Karhunen-Loève expansion and spectral representation methods for the simulation of Gaussian stochastic fields, Proc. of the 3rd European Conference on Computational Mechanics (ECCM-2006), Lisbon, Portugal, June 5-9, 2006.

 

16.    V. Papadopoulos, G. Stefanou, M. Papadrakakis. The effect of non-Gaussian material and thickness variability on the buckling load of imperfect cylindrical shells, Proc. of the 1st International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COMPDYN 2007), Crete, Greece, June 13-16, 2007.

 

17.    G. Stefanou, M. Papadrakakis. Spectral representation versus Karhunen-Loève expansion for the simulation of stochastic fields: a comparative study, Proc. of the 8th HSTAM International Congress on Mechanics, Patras, Greece, July 12-14, 2007.

 

18.    G. Stefanou, M. Papadrakakis. Translation-based models for the simulation of non-Gaussian random fields: theory and applications, Proc. of the 9th US National Congress on Computational Mechanics (USNCCM-9), San Francisco, USA, July 23-26, 2007.               

 

 

 

·        Participation in International Conferences

 

 

1.        4th International Colloquium on Computation of Shell & Spatial Structures (IASS-IACM 2000), Chania-Crete, Greece, June 4-7, 2000.

 

2.        2nd Eurïpean Conference on Computational Mechanics (ECCM 2001), Cracow, Poland, June 26-29, 2001.

 

3.        4th International Conference on Computational Stochastic Mechanics (CSM 4), Corfu, Greece, June 9-12, 2002.

 

4.        5th World Congress on Computational Mechanics (WCCM V), Vienna, Austria, July 7-12, 2002.

 

5.        2nd M.I.T. Conference on Computational Fluid and Solid Mechanics, Cambridge MA U.S.A. June 17-20, 2003.

 

6.        4th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2004), Jyväskylä, Finland, July 24-28, 2004.

 

7.        1st International Conference from Scientific Computing to Computational Engineering (1st IC-SCCE), Athens, Greece, September 8-10, 2004.

 

8.        9th International Conference on Structural Safety & Reliability (ICOSSAR 2005), Rome, Italy, June 19-23, 2005.

 

9.        5th GRACM International Congress on Computational Mechanics (GRACM 05), Limassol, Cyprus, June 29-July 1, 2005.

 

10.    6th European Conference on Structural Dynamics (EURODYN 2005), Paris, France, September 4-7, 2005.

 

11.    3rd European Conference on Computational Mechanics (ECCM-2006), Lisbon, Portugal, June 5-9, 2006.

 

12.    5th International Conference on Computational Stochastic Mechanics (CSM 5), Rhodes, Greece, June 18-21, 2006.

 

13.    1st International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COMPDYN 2007), Crete, Greece, June 13-16, 2007.

 

14.    8th HSTAM International Congress on Mechanics, Patras, Greece, July 12-14, 2007.

 

15.    9th US National Congress on Computational Mechanics (USNCCM-9), San Francisco, USA, July 23-26, 2007.

 

 

 

·        Professional Activities

 

 

- Teaching Assistant of the course “Stochastic Finite Elements”, National Technical University of Athens (2003, 2005 and 2007).

 

- Member of the Technical Chamber of Greece since 1999.

 

- Member of the Greek Association for Computational Mechanics (GRACM).

 

- Member of the US Association for Computational Mechanics (USACM).

 

- Member of the International Association for Computational Mechanics (IACM).

 

- Co-organizer of the following Mini Symposia:

 

1.    “Simulation of Non-Gaussian Stochastic Processes and Fields with Applications to Structural Engineering Problems”, 3rd European Conference on Computational Mechanics (ECCM-2006), Lisbon, Portugal, June 5-9, 2006 (with M. Papadrakakis).

 

2.    “Simulation of non-Gaussian random fields: theory and applications”, 9th US National Congress on Computational Mechanics (USNCCM-9), San Francisco, CA, USA, July 23-26, 2007 (with M. Papadrakakis).

 

3.    “Multiscale modeling and uncertainty quantification of heterogeneous materials”, WCCM VIII - ECCOMAS 2008 Congress, to be held in Venice, Italy, June 30-July 5, 2008 (with M. Papadrakakis, X. F. Xu and N. Zabaras).

 

 

 

·        Grants and Contracts

 

 

1.        “Stochastic analysis and reliability assessment of shells”, Project “THALES” funded by NTUA (2003-2005).

 

2.        “Composite structures”, Project “ENTER-2001” funded by GSRT under grant EPAN and by IMMG SA (2003-2004).

 

3.        “Optimum design of earthquake resistant structures in a cluster of distributed computing systems”, Project “PENED 2003” funded by GSRT (2006-2008).

 

 

 

·        Research Interests

 

 

Stochastic finite element methods; Numerical simulation of stochastic processes and fields; Structural stability; Structural safety and reliability; Stochastic dynamics; Multiscale modeling of random heterogeneous materials.

 

 

 

·        General interests

 

 

Classical and modern literature (with special emphasis on Greek and French literature), classical music, cultural travels.