Curriculum Vitae of Professor Nicholas TSOUVALIS

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CURRICULUM VITAE
September 2016
Name : Nicholas TSOUVALIS
Address : National Technical University of Athens,
School of Naval Architecture and Marine Engineering
Heroon Polytechniou 9, GR-15780 Zografos
Athens, Greece
Telephone : +30 21 07721413
Fax : +30 21 07721412
e-mail : tsouv@mail.ntua.gr
Date of Birth : March 22, 1964
Place of Birth : Athens, Greece
Marital Status : Married, two children
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1. EDUCATION
1987 – 1993 NATIONAL TECHNICAL UNIVERSITY OF ATHENS, Greece
Doctoral studies at the School of Naval Architecture and Marine
Engineering
Thesis title: "Static and Dynamic Response of Simply Supported Composite
Laminated Plates Under the Action of In-Plane Compressive and/or Lateral
Loads"
1981 – 1986 NATIONAL TECHNICAL UNIVERSITY OF ATHENS, GREECE
Diploma in Naval Architecture and Marine Engineering
2. RESEARCH AND TEACHING EXPERIENCE
2014 – now Professor, National Technical University of Athens, School of Naval
Architecture and Marine Engineering, Division of Marine Structures,
Shipbuilding Technology Laboratory (http://stl.naval.ntua.gr).
2006 – 2014 Associate Professor, National Technical University of Athens, School of
Naval Architecture and Marine Engineering, Division of Marine Structures,
Shipbuilding Technology Laboratory (http://stl.naval.ntua.gr).
1997 – 2006 Assistant Professor, National Technical University of Athens, School of
Naval Architecture and Marine Engineering, Division of Marine Structures,

Curriculum Vitae of Nicholas TSOUVALIS
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Shipbuilding Technology Laboratory (http://stl.naval.ntua.gr). Tenure in
September 2001.
1994 – 1997 Part time lecturer at the Hellenic Naval Academy.
1995 – 1997 Special lecturer and teaching assistant, Department of Naval Architecture
and Marine Engineering, National Technical University of Athens.
1993 – 1995 Research associate and teaching assistant, Department of Naval Architecture
and Marine Engineering, National Technical University of Athens.
1987 – 1993 Research and teaching assistant, Department of Naval Architecture and
Marine Engineering, National Technical University of Athens.
1991 Research engineer, French Institute for the Research and Exploitation of Sea
(IFREMER), Brest, France.
3. SCIENTIFIC ACTIVITIES
 Co-author of 30 peer reviewed papers in international journals
 Co-author of 33 fully reviewed conference papers
 Co-organizer of 2 international conferences
 Reviewer in 7 international conferences and 10 scientific journals
 Participation as scientific coordinator / principal researcher / researcher in 9 nationally
funded competitive research projects
 Participation as scientific coordinator / principal researcher / researcher in 15 EU funded
competitive research projects
 Participation in 15 industry funded projects
 Development, operation and updating of the Composites Materials Unit of the
Shipbuilding Technology Laboratory of NTUA
 Design and performance of in situ experimental tests of large-scale marine structures with
multi-channel data acquisition systems; data analysis
4. RESEARCH ACTIVITIES
The recent research fields of interest are the following:
 Mechanical behaviour and testing of composite materials, with focus on the effects of
marine environment
 Structural design and numerical modelling of marine structures using advanced materials
 Structural design of composite underwater vehicles

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 Development of cost-effective advanced fabrication methods for building composite
materials vessels
 Numerical and experimental study of stress concentrations in composite sandwich
structures
 Effect of material and geometry imperfections on the strength of composite materials
 Structural analysis and design of composite materials filament wound pressure vessels
 Numerical and experimental investigation of the effect of delamination on the buckling and
bending strength of composite materials
 Numerical and experimental study of composite-to-composite or metal-to-composite
adhesive joints
 Composite patch repair and reinforcement of steel structures
 Numerical and experimental structural study of installing composite parts in metallic ship
hulls
4.1 Participation in Research projects
1) “Development of a Numerical Procedure Capable of Analysing Thin Flat Plating under
Generalized Dynamic Loading Conditions”, funded by the National Technical
University’s Research Fund, 1988-1989.
2) “Development of Techno Economic Criteria and Specifications for Fishing Vessels for
Medium Fisheries in Greece”, funded by the Fisheries Directorate, Ministry of
Agriculture, Greece, 1988-1991.
3) “Experimental Determination of Composite Material Mechanical Properties in a Sea
Environment”, funded by the EU (TMR Programme), 1991.
4) “Development of a CAD System for Medium-Sized Vessels”, funded by the EU (MOPIT
Programme), 1992-1993.
5) “Advanced Systems Research for Unmanned Autonomous Underwater Vehicles
(AUVs)”, funded by the EU (MAST-II Programme), 1992-1995.
6) “Improvement of a Non-Destructive Method for the Identification of the Elastic
Properties of Anisotropic Plates Using Modal Analysis”, funded by IFREMER, 1992-
1994.
7) “Design and Validation of Imperfection-Tolerant Laminated Shell Structures”, funded by
the EU (Brite-EuRam Programme), 1994-1998.
8) “Characterization and Control of Thick Composite Structures (CCTCS)”, funded by the
EU (Thematic Network, Standards, Measurement and Testing Programme), 1997-1998.
9) “Composite Marine Propellers (COMARPROP)”, funded by the EU (Brite-EuRam
Programme), 1997-2000.
10) “Lightweight Composite Pressure Housings for Mid-Water and Benthic Applications”,
funded by the EU (MAST III Programme), 1997-2000.

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11) “Development of Rules for the Design and Construction of High Speed Small Crafts from
Glass Reinforced Plastics’’, funded by the Greek General Secretariat for Research and
Development, 1998-2000.
12) “Optimised Design of an Advanced Technology Ro-Ro Vessel”, funded by the Greek
General Secretariat for Research and Development, 1999-2000.
13) “ShipYAG – Shipbuilding Low Cost, Versatile and Safe Welding by YAG Laser
Application”, funded by the EU (Competitive and Sustainable Growth Programme),
2000-2003.
14) “Fatigue Experimental Tests of Composite Materials Specimens”, funded by the
University of Patras, 2002-2006.
15) “MARSTRUCT – Network of Excellence on Marine Structures”, funded by the EU (6th
Framework Programme), 2003-2007, www.mar.ist.utl.pt/marstruct .
16) “Development of a Design Methodology for Ro-Ro Vessels and Application for
Designing a Feeder Line Vessel for the Hellenic Coastal Shipping”, funded by the Greek
General Secretariat for Research and Development, 2004-2006.
17) “NATURALHY – Preparing for the Hydrogen Economy by Using the Existing Natural
Gas System as a Catalyst”, funded by the EU (6th
Framework Programme), 2004-2007,
www.naturalhy.net .
18) “Use of Composite Patches for Repairing and Strengthening Steel Marine Structures”,
funded by the Greek General Secretariat for Research and Development, 2005-2006
(Coordinator).
19) “Innovative continuum Multiplex Optical Sensors hull stress monitoring system,
supporting shipping safety and Enhancing the control capability over structural Ship
integrity (MOSES)”, cooperative project for the benefit of SMEs, funded by various
SMEs and the EU, 7th
Framework Programme, 2008-2011 (NTUA Coordinator),
www.mosesproject.eu .
20) “Composite Patch Repair for Marine and Civil Engineering Infrastructure Applications
(Co-Patch)”, funded by the EU, 7th
Framework Programme, 2010-2012 (Coordinator),
www.co-patch.com .
21) “Surfacing System for Ship Recovery (SuSy)”, funded by the EU, 7th
Framework
Programme, 2010-2012, www.su-sy.eu .
22) “Filament Wound Composite Pressure Tanks”, funded by the Greek General Secretariat
for Research and Development, 2011-2014 (Coordinator).
23) “Materials On-board: Steel Advancements and Integrated Composites (MOSAIC)”,
funded by the EU, 7th
Framework Programme, 2012-2015 (NTUA Coordinator),
http://mosaicships.com.

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24) “Design, Manufacturing and Testing of Deep Sea Pressure Housings Made of Composite
Materials”, funded by the Greek General Secretariat for Research and Development,
2013-2015 (Coordinator).
25) “Ship Lifecycle Software Solutions (SHIPLYS)”, funded by the EU, H2020 Programme,
2016-2019 (NTUA Coordinator).
5. EDUCATIONAL ACTIVITIES
5.1 Undergraduate courses
 Structural Analysis and Design of Composite Materials Vessels
 Shipbuilding Technology and Laboratory
 Ship Design Project
 Ship Strength (formerly)
 Local Strength Problems of Ship Structures (formerly)
 Applied Mechanics (formerly)
5.2 Postgraduate courses
 Materials for Marine Structures
 Mechanics of Composite Materials
 Structural Design
 Computational Methods (formerly)
5.3 Supervisor
 Supervision of 65 diploma (M.Sc.) theses and 14 post-diploma theses
 Supervision of 2 Ph.D. thesis; currently, supervision of 1 Ph.D. student
 Participation in the advisory and/or examination committee of more than 40 Ph.D. students
at NTUA and other Greek and foreign universities after invitation
5.4 Teaching evaluation
In a scale from 0 to 10, the evaluation of my teaching performance from the students is as
follows:
Academic
Year
Communicability Consistency
2009-2010 8.31
School Average
7.09
9.23
School Average
8.28
2008-2009 8.95
School Average
7.45
9.00
School Average
8.71
No results are available for more recent academic years.

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6. ADMINISTRATIVE ACTIVITIES
 Director of Division of Marine Structures of the School of Naval Architecture and Marine
Engineering of NTUA (2009, 2014-2016)
 Responsible for the “Tests and Measurements Unit” of the Shipbuilding Technology
Laboratory
 Member of various School and Institutional committees (School committee of finance
2002-2010, School committee of undergraduate studies, NTUA committee of finance
2007-2010, NTUA library committee 2011- now)
7. PROFESSIONAL ACTIVITIES
1992 – 1993 Military service in the Greek Navy (engineering tasks in Salamis naval
base).
1988 – now Applied research and consultancy services to industry.
7.1 Participation in Industry Funded Projects
1) “Rational Strength Calculations of the Bottom Plating of G.R.P. Planning Boats”, funded
by Olympic Marine S.A., Greece, 1985 - 1986.
2) “A Contribution towards Reducing the Vibration and Noise Levels in the New Hellenic
Navy Landing Ships”, funded by the Hellenic Naval Command, 1988-1992.
3) “Noise and Vibration Study for the Hellenic Navy Offshore Patrol Vessels”, funded by
Hellenic Shipyards S.A. 1991-1993.
4) “A Contribution Towards Retrofitting the Naval Dockyards”, funded by the Hellenic
Naval command, 1993-1994.
5) “Investigation into Upgrading of the Syncrolift Capabilities at Icnut-Tulcea Shipyards SA
for Salamis Hulls No. 211 and 212”, funded by Salamis Shipyards International, 1994-
1995.
6) “Study for the Installation of Floating Docks No. 3, 6 and 7 to Crete Naval Base, Phase
B”, funded by the Hellenic Navy, 1995-1996.
7) “Structural Design and Technical Specifications for the Structural Alterations on
OLYMPIC D-44 and ABEKING Type Hulls’’, funded by the Ministry of Finance, 1996-
1997.
8) “A Study for the Construction of a New Well on Floating Dry-dock No. 3”, funded by the
Hellenic Navy, 1996-1997.
9) “Rehabilitation of Elefsis Shipyards S.A. 400 ton KRUPP Gantry Crane”, funded by
Elefsis Shipyards, 2001- 2005.
10) “Inspection and Evaluation of Hull 192 – MAIORA 35DP”, funded by LARINON A
INVESTMENT LTD, UK, 2007.

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11) “Strength Analysis of a Double-End Open Type Ro/Ro”, funded by Elefsis Shipyards,
2008.
12) “Investigation of the Causes of Global Failure of M/T ELLI”, funded by WORLDWIDE
GREEN TANKERS LTD, Greece, 2010-2011.
13) “Performance of Experimental Tensile and Bending Tests”, funded by PLANATECH
SA, Greece, 2010.
14) “Experimental Measurements on Specimens Taken from the Hull of M/Y NADARA 43”,
funded by AIR BOSS INVESTMENTS LMD, Cyprus, 2011.
15) “Investigation of Performance of a Gantry Crane Bolted Joint”, funded by Intercrane Pte.
Ltd, Singapore, 2012.
8. HONOURS
1988 – 1990 Awarded by the Greek Scholarship Foundation ().
1990 – 1991 Awarded by the Committee of Research, NTUA, Greece.
1991 Awarded by the Commission of the European Communities.
9. LANGUAGES
Greek (native language)
English (fluent)
10. PUBLICATIONS
10.1 Journal Papers
1) Papazoglou, V.J. and Tsouvalis, N.G., "Mechanical Behaviour of Bimodulus Laminated
Plates", Composite Structures, Vol. 17, No. 1, 1991, pp. 1-22.
2) Papazoglou, V.J. and Tsouvalis, N.G., "Design Curves for Specially Orthotropic
Laminated Plates Under Combined In-Plane Loading", Transactions of the Society of
Naval Architects and Marine Engineers (SNAME), Vol. 99, 1991, pp. 377-403.
3) Papazoglou, V.J., Tsouvalis, N.G. and Kyriakopoulos, G.D., "Buckling of Unsymmetric
Laminates under Linearly Varying Biaxial In-Plane Loads Combined with Shear",
Composite Structures, Vol. 20, No. 3, 1992, pp. 155-163.
4) Papazoglou, V.J., Tsouvalis, N.G. and Lazaridis, A.G., "A Non-Destructive Evaluation of
the Material Properties of a Composite Laminated Plate", Applied Composite Materials,

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Vol. 3, 1996, pp. 321-334, also in Proceedings of the 4th Greek National Congress on
Mechanics, Xanthi, Greece, June 1995, Vol. I, pp. 157-166.
5) Papazoglou, V.J. and Tsouvalis, N.G., "Large Deflection Dynamic Response of
Composite Laminated Plates Under In-Plane Loads", Composite Structures, Vol. 33, No.
4, 1995, pp. 237-252.
6) Tsouvalis, N.G. and Papazoglou, V.J., "Large Deflection Dynamic Response of
Composite Laminated Plates Under Lateral Loads", Marine Structures, Vol. 9, 1996, pp.
825-848.
7) Loukakis, T., Bardis, L., Ioannidis, J., Papazoglou, V., Kaklis, P., Grigoropoulos, G.,
Politis, G., Belibasakis, K. and Tsouvalis, N., “Computer Aided Ship Design System”,
Technica Chronica, 17 (1), 1997, pp. 31-44 (in Greek).
8) Tsouvalis, N.G., Zafeiratou, A.A., Papazoglou, V.J., Gabrielides, N. and Kaklis, P.,
“Numerical Modeling of Composite Laminated Cylinders in Compression Using a Novel
Imperfections Modeling Method”, Composites Part B: Engineering, 32, 2001, pp. 387-
399.
9) Petreli, A.S. and Tsouvalis, N.G., “A Parametric Study of the Effect of Geometric
Imperfections on Buckling Behaviour of Composite Laminated Cylinders”, Advanced
Composites Letters, 11, 3, 2002, pp. 111-122, also in Proceedings of HELLAS-COMP
2001, 2nd National Conference on Composite Materials, Univ. of Patras, June 2001.
10) Tsouvalis, N.G., Zafeiratou, A.A. and Papazoglou, V.J., “The Effect of Geometric
Imperfections on the Buckling Behaviour of Composite Laminated Cylinders Under
External Hydrostatic Pressure”, Composites Part B: Engineering, 34, 2003, pp. 217-226.
11) Alexandrakis, S., Benardos, P., Vosniakos, G. and Tsouvalis, N.G., “Artificial Neural
Network Models for Quality Control of CNC Machined Glass Fibre Reinforced
Composites”, Machine Engineering, 3 (1-2), 2003, pp. 139-149, also presented at the
XIV Workshop on Supervision and Diagnostics of Machining Systems, Poland, March
2003.
12) Tsouvalis, N.G. and Papazoglou, V.J., “Design Buckling Curves for Clamped Orthotropic
Laminated Plates”, Advanced Composites Letters, 13 (5), 2004, pp. 227-235, also in
Proceedings of the 11th European Conference on Composite Materials (ECCM 11),
Rhodes, Hellas, June 2004.
13) Tsouvalis, N.G. and Mirisiotis, L.S., “Experimental Investigation of the Static Behaviour
of a Hole Drilled Steel Plate Reinforced with a Composite Patch”, Strain, 44, 2008,
pp.133-140, also in Proceedings of the 13th International Conference on Experimental
Mechanics (ICEM-13), Alexandroupolis, Greece, July 2007.
14) Tsouvalis, N.G. and Kollarini, M.J., “Experimental Investigation of Strain Concentrations
Caused by Inserts in Sandwich Beams”, Strain, 44, 2008, pp.317-326, also in
Proceedings of the 13th International Conference on Experimental Mechanics (ICEM-
13), Alexandroupolis, Greece, July 2007.

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15) Alexandrakis, S., Benardos, P., Vosniakos, G-C. and Tsouvalis, N. “Neural Surface
Roughness Models of CNC Machined Glass Fibre Reinforced Composites”, Int. J.
Materials and Product Technology, Vol. 32, No. 2/3, 2008, pp. 276–294.
(http://dx.doi.org/10.1504/IJMPT.2008.018986)
16) Tsouvalis, N.G., Mirisiotis, L.S. and Dimou, D.N., “Experimental and Numerical Study
of the Fatigue Behaviour of Composite Patch Reinforced Cracked Steel Plates”,
International Journal of Fatigue, 31, 2009, pp. 1613-1627.
(http://dx.doi.org/10.1016/j.ijfatigue.2009.04.006)
17) Hayman, B., Berggreen, C., Lundsgaard-Larsen, C., Delarche, A., Toftegaard, H.L. Dow,
R.S., Downes, J., Misirlis, K., Tsouvalis, N., Douka, C., “Studies of the Buckling of
Composite Plates in Compression”, Ships and Offshore Structures, 6 (1&2), pp. 81-92,
2011, (http://dx.doi.org/10.1080/17445302.2010.528283), also in Proceedings of the 2nd
International Conference on Marine Structures (MARSTRUCT 2009), Lisbon, Portugal,
March 2009.
18) Tsouvalis, N.G. and Garganidis, G.S., “Buckling Strength Parametric Study of Composite
Laminated Plates with Delaminations”, Ships and Offshore Structures, 6 (1&2), pp. 93-
104, 2011, (http://dx.doi.org/10.1080/17445301.003776217), also in Proceedings of the
2nd International Conference on Marine Structures (MARSTRUCT 2009), Lisbon,
Portugal, March 2009.
19) Hashim, S.A., Nisar, J.A., Tsouvalis, N., Anyfantis, K., Moore, P., Chirica, I., Berggreen,
C., Orsolini, A., Quispitupa, A., McGeorge, D., Hayman, B., Boyd, S., Misirlis, K.,
Downes, J., Dow, R. and Juin, E., “Fabrication, Testing and Analysis of Steel/Composite
DLS Adhesive Joints”, Ships and Offshore Structures, 6 (1&2), pp. 115-126, 2011,
(http://dx.doi.org/10.1080/17445302.2010.522019), also in Proceedings of the 2nd
International Conference on Marine Structures (MARSTRUCT 2009), Lisbon, Portugal,
March 2009.
20) Badogiannis, E., Hasiotis, T. and Tsouvalis, N., “Application of Ultrasonic C-Scan
Techniques for Tracing Defects in Laminated Composite Materials”, Journal of
Mechanical Engineering, 57 (3), pp. 190-201, 2011, (http://dx.doi.org/10.5545/sv-
jme.2010.170), also in Proceedings of the 4th International Conference of Non-
Destructive Testing, Chania, Greece, October 2007.
21) Tsouvalis, N.G., Karatzas, V.A., “An Investigation of the Tensile Strength of a
Composite-to-Metal Adhesive Joint”, Applied Composite Materials, 18 (2), pp. 149-163,
2011, (http://dx.doi.org/10.1007/s10443-010-9137-z).
22) Anyfantis, K.N. and Tsouvalis, N.G., “Experimental and Numerical Investigation of
Mode II Fracture in Fibrous Reinforced Composites”, Journal of Reinforced Plastics and
Composites, 30 (6), pp. 473-487, 2011,
(http://dx.doi.org/10.1177/0731684410397682).

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23) Anyfantis, K.N. and Tsouvalis, N.G., “Post Buckling Progressive Failure Analysis of
Composite Laminated Stiffened Panels”, Applied Composite Materials, 19 (3-4), pp.219-
236, 2012.
(http://dx.doi.org/10.1007/s10443-011-9191-1)
24) Tsouvalis, N.G. and Anyfantis, K.N., “Determination of the Fracture Process Zone Under
Mode I Fracture in Glass Fiber Composites”, Journal of Composite Materials, 46 (1), pp.
27-41, 2012, (http://dx.doi.org/10.1177/0021998311401934).
25) Anyfantis, K.N. and Tsouvalis, N.G., “A novel traction-separation law for the prediction
of the mixed mode response of ductile adhesive joints”, International Journal of Solids
and Structures, 49 (1), pp. 213-226, 2012.
(http://dx.doi.org/10.1016/j.ijsolstr.2011.10.001)
26) Anyfantis, K.N. and Tsouvalis, N.G., “Loading and fracture response of CFRP-to-steel
adhesively bonded joints with thick adherents – Part I: Experiments”, Composite
Structures, 96, pp. 850-857, 2013.
(http://dx.doi.org/10.1016/j.compstruct.2012.08.060)
27) Anyfantis, K.N. and Tsouvalis, N.G., “Loading and fracture response of CFRP-to-steel
adhesively bonded joints with thick adherents – Part II: Numerical Simulation”,
Composite Structures, 96, pp. 858-868, 2013.
(http://dx.doi.org/10.1016/j.compstruct.2012.08.056)
28) Anyfantis, K.N. and Tsouvalis, N.G., “A 3D Ductile Constitutive Mixed-mode Model of
Cohesive Elements for the Finite Element Analysis of Adhesive Joints”, Journal of
Adhesion Science and Technology, 27 (10), pp. 1146-1178, 2013.
(http://dx.doi.org/10.1080/01694243.2012.735900)
29) Anyfantis, K.N. and Tsouvalis, N.G., “Analysis of an Adhesively Bonded Single Lap
Joint Subjected to Eccentric Loading”, International Journal of Adhesion and Adhesives,
41, pp. 41-49, 2013.
(http://dx.doi.org/10.1016/j.ijadhadh.2012.10.007)
30) Karalis D.G., Tsouvalis N.G., Papazoglou V.J. and Pantelis D.I., “A Practical Flow
Diagram for the Solution of Complex Non-linear Thermo-mechanical Numerical
Models”, Computational Materials Science, 95, pp. 288-301, 2014.
(http://dx.doi.org/10.1016/j.commatsci.2014.07.045)
31) Karatzas V.A., Kotsidis E.A. and Tsouvalis, N.G., “Experimental Fatigue Study of
Composite Patch Repaired Steel Plates with Cracks”, Applied Composite Materials, 22
(5), pp. 507-523, 2015.
(http://dx.doi.org/10.1007/s10443-014-9420-5)
32) Burlović D., Milat A., Balunović M., Frank D., Kotsidis E.A., Kouloukouras I.G. and
Tsouvalis, N.G., “Finite Element Analysis of Composite-to-Steel Type of Joint for
Marine Industry”, Welding in the World, 2016, published on line.
(http://dx.doi.org/10.1007/s40194-016-0343-7)

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10.2 Conference Papers with Full Review
1) Papazoglou, V.J. and Tsouvalis, N.G., "Towards Computer-Aided Design of F.R.P.
Hulls", in Proceedings of the 4th I.M.A.E.M. Conference, Varna, Bulgaria, 1987, Vol. 2,
pp. 45.1-45.7.
2) Tsouvalis, N.G. and Papazoglou, V.J., "Theories for Bending and Static Buckling of
Laminated Anisotropic Rectangular Plates: A Survey", in Phase Interaction in Composite
Materials, Proceedings of COMP '88 Int'l Symposium, Patras, Greece, August 1988,
Omega Scientific, Oxon, 1992, pp. 439-446.
3) Papazoglou, V.J., Sanoudos, J.V. and Tsouvalis, N.G., "Methodologies for the Structural
Analysis and Design of F.R.P. Hulls", in Proceedings of the 5th I.M.A.E.M. Int'l
Congress on Marine Technology, Athens, Greece, May 1990, pp. 184-188.
4) Tsouvalis, N.G. and Papazoglou, V.J., "Bending of Bimodulus Specially Orthotropic
Laminated Plates", in Advanced Composites in Emerging Technologies, Proceedings of
COMP '90 Int'l Symposium, Patras, Greece, August 1990, AMATEC Publs., Patras,
1991, pp. 507-523.
5) Castaing, P., Tsouvalis, N.G. and Lemoine, L., "Mechanical Property Degradation of
Gelcoated Glass-Fiber Reinforced Polyesters in Sea Water", in Proceedings of the Int'l
Conference Nautical Construction with Composite Materials, Paris, France, December
1992, pp. 347-355.
6) Tsouvalis, N.G. and Papazoglou, V.J., "Large Deflection Response of Simply Supported
Laminates Subjected to Lateral Time Dependent Loads", in Proceedings of the 9th
International Conference on Composite Materials (ICCM-9), Madrid, Spain, July 1993,
pp. 183-190.
7) Castaing, P., Lemoine, L. and Tsouvalis, N., "Experimental Study of the Variation in
Mechanical Characteristics of Orthotropic Laminates Immersed in Water by a Non
Destructive Method", in Proceedings of the 9th International Conference on Composite
Materials (ICCM-9), Madrid, Spain, July 1993, pp. 577-584.
8) Dimou, D.N., Papazoglou, V.J. and Tsouvalis, N.G., "A Parametric Study on Alternative
Stiffening Arrangements for the 470 Sailing Dinghy", Proceedings of COMP '95, the 4th
International Symposium on Composite Materials, Corfu, Greece, September 1995, pp.
266-272.
9) Papazoglou, V.J. and Tsouvalis, N.G., "Finite Element Buckling Analysis of Carbon
Epoxy Cylinders", Proceedings of the 1st Hellenic Conference on Composite Materials
and Structures, Xanthi, Greece, July 1997, pp. 508-526.
10) Tsouvalis, N.G., Zaphiratou, A.A., Papazoglou, V.J., Stevenson, P., et al, "Transition
Ring Design for an Autonomous Underwater Vehicle", Proceedings of the 4th
International Colloquium on Computation of Shell and Spatial Structures, IASS-IACM

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2000, Papadrakakis M., Samartin A. and Onate E., Editors, Chania, Greece, 4-7 June
2000.
11) Tsouvalis, N.G., Zaphiratou, A.A. and Papazoglou, V.J., "Parametric Study of Composite
Cylinders under Hydrostatic Load: Effect of End Closures and Lay-Up", Proceedings of
the 4th International Colloquium on Computation of Shell and Spatial Structures, IASS-
IACM 2000, Papadrakakis M., Samartin A. and Onate E., Editors, Chania, Greece, 4-7
June 2000.
12) Vasileiou, N.V. and Tsouvalis, N.G., “FE Modeling of Composite Marine Propellers”,
Proceedings of the 10th
International Congress of the International Maritime Association
of the Mediterranean (IMAM 2002), Rethymno, Hellas, May 2002.
13) Tsouvalis, N., Chauchot, P., Livingstone, F., Papazoglou, V., Antonelli, V. and Williams,
J., “Structural Design of Deep Water Composite Pressure Housings – Material Selection
and Modeling Guidelines”, Proceedings of the 8th
International Marine Design
Conference (IMDC’03), Athens, Hellas, May 2003.
14) Tsouvalis, N.G. and Spanopoulos, G., “Design Curves for Selecting Hat-Type Stiffeners
in FRP Boats”, Proceedings of the 7th
International Conference on Fast Sea
Transportation (FAST 2003), Ischia, Italy, October 2003.
15) Papazoglou, V., Livingstone, F., Chauchot, P., Jennequin, G., Kilpatrick I., Meddes, R.,
Stevenson, P., Antonelli, V., Tsouvalis, N. and Williams, J., “Lightweight Composite
Pressure Housings for Mid-Water and Benthic Applications”, Proceedings of the 11th
European Conference on Composite Materials (ECCM 11), Rhodes, Hellas, June 2004.
16) Tsouvalis, N.G., Neofotistos, D., Chatzigiaksoglou, C. and Maragoudakis, V.,
“Development and Evaluation of Analytical Formulae for Predicting the Mechanical
Properties of Glass/Polyester Composites Used in Boat Building”, Proceedings of the 7th
National Congress on Mechanics, Chania, Hellas, June 2004.
17) Tsouvalis, N.G. and Ioannou, I.S., “Modelling the Vacuum Infusion Process for a Small
Composite Powerboat”, Proceedings of the 8th
International Conference on Fast Sea
Transportation (FAST 2005), Saint-Petersburg, Russia, June 2005.
18) Tsouvalis, N.G. and Kollarini, M.J., “Parametric Study of Stress Concentrations Caused
by Inserts in Sandwich Plates”, in Proceedings of the 12th
European Conference on
Composite Materials (ECCM-12), Biarritz, France, August 2006.
19) Hayman, B., Berggreen, C. and Tsouvalis, N.G., “A Review of the Causes of Production
Defects in Marine Composite Structures and their Influence on Performance”, in
Proceedings of the 1st
International Conference on Marine Structures, Glasgow, UK,
March 2007.
20) Mirisiotis, L.S. and Tsouvalis, N.G., “Experimental Investigation of a Composite Patch
Reinforced Cracked Steel Plate in Static Loading”, in Proceedings of the 9th
International
Conference on Fast Sea Transportation (FAST 2007), Shanghai, China, September 2007.

13
21) Zaraphonitis, G., Papanikolaou, A., Loukakis, T., Tsouvalis, N.G., Skoupas, S.,
Mitsotakis, K. and Antoniou, A., “Development and Demonstration of an Integrated
Methodology for the Design of RoRo-Passenger Ships for the Needs of Short Sea
Shipping in Greece”, in Proceedings of the 12th
International Congress of the
International Maritime Association of the Mediterranean (IMAM 2007), Varna, Bulgaria,
September 2007, C.G. Soares, P. Kolev Eds, Taylor & Francis, London.
22) Badogiannis, E, Tsiourva, D., Papazoglou, V.J., Pantelis, D.I. and Tsouvalis, N.G.,
“Corrosion and its Effects on the Mechanical Properties of AH36 Steel Welds”, in
Proceedings of the 12th
International Congress of the International Maritime Association
of the Mediterranean (IMAM 2007), Varna, Bulgaria, September 2007, C.G. Soares, P.
Kolev Eds, Taylor & Francis, London.
23) Tsouvalis, N.G., Mirisiotis, L.S. and Papazoglou, V.J., “Fatigue Behaviour of Composite
Patch Reinforced Steel Plates”, in Proceedings of the International Conference on
Structural Analysis of Advanced Materials (ICSAM 2007), Patras, Greece, September
2007.
24) Tsouvalis, N., Papazoglou, V. and Mirisiotis, L., “Use of Composite Patches for the
Reinforcement of Steel Marine Structural Parts”, in Proceedings of the Annual Marine
Technology Meeting of the Hellenic Institute of Marine Technology, Piraeus, Greece,
November 2007 (in Greek).
25) Tsouvalis, N.G., Mirisiotis, L.S. and Tsiourva, T.E., “Experimental Investigation of
Composite Patch Reinforced Corroded Steel Plates in Static Loading”, in Proceedings of
the 13th
European Conference on Composite Materials (ECCM-13), Stockholm, Sweden,
June 2008.
26) Anyfantis, K.N. and Tsouvalis, N.G., “The Effect of Surface Preparation on the
Behaviour of Double Strap Adhesive Joints with Thick Steel Adherents”, in Proceedings
of the 2nd
International Conference on Marine Structures (MARSTRUCT 2009), Lisbon,
Portugal, March 2009.
27) Tsouvalis, N.G. and Anyfantis, K.N., “Numerical Prediction of the Response of Metal-to-
Metal Adhesive Joints with Ductile Adhesives”, in Proceedings of the BSSM Conference
on Advances in Experimental Mechanics 2010, Liverpool, September 2010
(http://dx.doi.org/10.4028/www.scientific.net/AMM.24-25.189).
28) Anyfantis, K.N. and Tsouvalis, N.G., “Characterization of Fiber Bridging in Mode II
Fracture Growth of Laminated Composite Materials”, in Proceedings of the BSSM
Conference on Advances in Experimental Mechanics 2010, Liverpool, September 2010,
(http://dx.doi.org/10.4028/www.scientific.net/AMM.24-25.245).
29) Samuelides, M., Tsouvalis, N., Dimou, D., Ferrari, A. and Grasso, A., “Structural
Monitoring of Ships’ Hulls Using Optical Sensors”, in Proceedings of the Annual
Conference of the Hellenic Institute of Marine Technology, Athens, November 2010.
30) Grasso, A., Vergine, A., Dimou, D., Samuelides, M., Tsouvalis, N. and Ferrari, A.,
“Sensors Location and Data Processing Algorithms of an Optical Fibers Hull Strength

14
Monitoring System”, in Proceedings of the 3rd
International Conference on Marine
Structures (MARSTRUCT 2011), Hamburg, Germany, March 2011.
31) Karatzas V., Kotsidis E. and Tsouvalis N., “An Experimental and Numerical Study of
Corroded Steel Plates Repaired with Composite Patches”, in Proceedings of the 4th
International Conference on Marine Structures (MARSTRUCT 2013), Espoo, Finland,
March 2013.
32) Avgoulas E.I., Karatzas V., Zilakos I. and Tsouvalis N., “Numerical analysis of cracked
marine structures repaired with composite patches”, in Proceedings of the 4th
International Conference on Marine Structures (MARSTRUCT 2013), Espoo, Finland,
March 2013.
33) Zilakos I.K., Karatzas V.A., Chatzidouros E.V., Papazoglou V.J. and Tsouvalis N.G., “A
FE based numerical tool for crack assessment in ship structures employing the CSR
loading scheme”, in Proceedings of the 4th
International Conference on Marine
Structures (MARSTRUCT 2013), Espoo, Finland, March 2013.
34) Kotsidis E.A., Kouloukouras I.G., Tsouvalis N.G., “Finite element parametric study of a
composite-to-steel-joint”, in Proceedings of the 2nd
International Conference on
Maritime Technology and Engineering (MARTECH 2014), Lisbon, Portugal, 15-17
October 2014.
35) Kotsidis E.A., Yarza P., Tsouvalis N.G, de la Mano R., Rodriguez-Senín E., “Static and
fatigue tests of hybrid composite-to-steel butt joints”, in Proceedings of the 5th
International Conference on Marine Structures (MARSTRUCT 2015), Southampton, UK,
25-27 March 2015.
36) Papadakis A.Z. and Tsouvalis N.G., “An Experimental and Numerical Study of CFRP
Pressure Housings for Deep Sea Environment Research”, in Proceedings of the 26th
International Ocean and Polar Engineering Conference (ISOPE-2016), Rhodes, Greece,
June 26 – July 2, 2016.
37) Skarakis I., Chatzopoulou G., Tsouvalis, N.G., Karamanos S.A and Pournara A.E.,
“CFRP Strengthening of Steel Pipe Elbows Subjected to Cyclic Loading”, in Proceedings
of the 26th
International Ocean and Polar Engineering Conference (ISOPE-2016),
Rhodes, Greece, June 26 – July 2, 2016.
38) Chatzopoulou G., Skarakis I., Karamanos S.A, Tsouvalis, N.G. and Pournara A.E.,
“Numerical Simulation of CFRP Reinforced Steel Pipe Elbows Subjected to Cyclic
Loading”, submitted for presentation to the ASME 2016 Pressure Vessels and Piping
Conference, Vancouver, Canada, 17-21 July, 2016.
10.3 Conference Papers with Abstract review
1) Berggreen C., Tsouvalis N., Hayman B. and Branner K., "Buckling Strength of Thick
Composite Panels in Wind Turbine Blades – Part I: Effect of Geometrical
Imperfections", in Proceedings of the 4th International Conference on Composites
Testing and Model Identification CompTest 2008, Dayton Ohio, USA, October 2008.

15
2) Hashim, S., Berggreen, C., Tsouvalis, N., McGeorge, D., Chirica, I., Moore, P., Boyd, S.,
Nisar, J., Anyfantis, K., Misirlis, K. and Juin, E., “Design and Analysis of DLS
Steel/Composite Thick Adherend Adhesive Joints”, in Proceedings of the 17th
International Conference on Composite Materials (ICCM-17), Edinburgh, UK, July
2009.
3) Misirlis, K., Downes, J., Dow, R.S., Delarche, A., Lundsgaard-Larsen, C., Berggreen, C.,
Hayman, B., Tsouvalis, N., Yang, N. and Das, P.K., “Investigations on the Ultimate
Compressive Strength of Composite Plates with geometrical Imperfections”, in
Proceedings of the 17th International Conference on Composite Materials (ICCM-17),
Edinburgh, UK, July 2009.
4) Anyfantis, K.N. and Tsouvalis, N.G., “Experimental Parametric Study of Single-Lap
Adhesive Joints Between Dissimilar Materials”, in Proceedings of the 15th European
Conference on Composite Materials (ECCM-15), Venice, Italy, 24-28 June 2012.
5) Karatzas, V.A., Zhang, Y., Tsouvalis, N.G. and Chryssanthopoulos, M.K., “A Parametric
Investigation of the Response of Directly Laminated Composite-to-Metal Single-Lap
Joints”, in Proceedings of the 15th European Conference on Composite Materials
(ECCM-15), Venice, Italy, 24-28 June 2012.
6) Frydas, J., Karatzas V., Kotsidis E. and Tsouvalis N., “A Parametric Numerical Study of
the Fatigue Behaviour of Cracked Steel Plates Repaired with Composite Patches”, in
Proceedings of the 17th International Conference on Composite Structures (ICCS-17),
Porto, Portugal, 17-21 June 2013.
7) K.A. Kalteremidou, N. Tsouvalis, N. Otero, P. Romero, I. Coto, E. Rodriguez,
“Experimental Study of Composite-to-Steel Adhesive Joints with Laser Treated
Surfaces”, in Proceedings of the 16th European Conference on Composite Materials
(ECCM-16), Seville, Spain, 22-26 June 2014.
8) E. Skampis, V. Karatzas, and N. Tsouvalis, “Effect of Delamination on the Bending
Response of Composite Materials”, in Proceedings of the 16th International Conference
on Experimental Mechanics (ICEM-16), Cambridge, UK, 7-11 July 2014.
9) Buennagel E., Kotsidis E., Tsouvalis N., Burlovic D. and Frank D., “Fatigue Testing of
Composite Patch Reinforced Ship Structural Parts”, in Proceedings of the 17th
International Conference on Experimental Mechanics (ICEM-17), Rhodes, Greece, 3-7
July 2016.
10) Papadakis A.Z. and Tsouvalis N.G., “Use of Different Geometries Specimens for the
Material Characterization of CFRP Filament Wound Cylinders”, in Proceedings of the
17th International Conference on Experimental Mechanics (ICEM-17), Rhodes, Greece,
3-7 July 2016.
10.4 Papers in other technical publications
1) Papazoglou, V.J. and Tsouvalis, N.G., “Materials for Building Fishing Boats”, Fishing
News, 116, February 1991, pp. 41-54 (in Greek).

16
2) Tsouvalis, N.G., “Composite Patch Repairs for Marine and Civil Engineering
Applications”, Naftika Chronika, 129, April 2010, pp. 44-45 (in Greek).
3) Nevsimal-Weidenhoffer, V., Tsouvalis, N.G. and Papazoglou, V.J., "Goliath Gantry
Cranes – Their Steel Structure – A Neglected Element: Experiences in Surveillance and
Reconditioning of the Last Two Decades", International Cranes and Specialized
Transport, 21 (6), pp. 53-57, March 2013.
10.5 Research and Technical Reports
1) Papazoglou, V.J. and Tsouvalis, N.G., “Analysis of the Static Strength of a G.R.P.
Planning Hull” (in Greek), Technical Report to Olympic Marine S.A., National Technical
University of Athens, Shipbuilding Technology Laboratory, Report No. STL 003-F-86,
Sept. 1986.
2) Tsouvalis, N.G., "Static Elastic Buckling of Laminated Anisotropic Rectangular Plates -
A Literature Survey", National Technical University of Athens, Shipbuilding Technology
Laboratory, Report No. STL 005-F-88, Athens, Greece, June 1988.
3) Papazoglou, V.J. and Tsouvalis, N.G., “Mechanical Behaviour of Bimodulus Laminated
Plates”, National Technical University of Athens, Shipbuilding Technology Laboratory,
Report No. STL 010-F-89, Athens, Greece, June 1989.
4) Tsouvalis, N.G., "A Non-Destructive Method for the Identification of Anisotropic Plate
Elastic Properties", Institut Francais de Recherche pour l' Exploitation de la Mer
(IFREMER), Centre de Brest, Report No. DITI 91.17 GO/MM, Brest, France, December
1991.
5) Tsouvalis, N.G. and Papazoglou, V.J., “Development and Adaptation of Computer
Programs for Strength Calculations” (in Greek), Final Technical Report for the Research
Program Development of a CAD System for Medium-Sized Vessels under Contract No.
MOPPIT/19, National Technical University of Athens, Shipbuilding Technology
Laboratory, Report No. STL 039-F-93, December 1993.
6) Katsaounis, G., Tsouvalis, N.G. and Papazoglou, V.J., “Noise and Vibration Study for the
New Hellenic Navy Landing Ships - Report on Vibration Measurements”, Technical
Report to Elefsis Shipyards Co., National Technical University of Athens, Shipbuilding
Technology Laboratory, Report No. STL 042-F-94, March 1994.
7) Papazoglou, V.J., Tsouvalis, N.G. and Dimou, D.M., “Investigation into Upgrading of the
Syncrolift Capabilities at Icnut-Tulcea Shipyards S.A. for Salamis Hulls No. 211 and No.
212”, Interim Technical Report to Salamis Shipyards International, National Technical
University of Athens, Shipbuilding Technology Laboratory, Report No. STL 046-I-94,
Rev. 1, December 1994.
8) Tsouvalis, N.G. and Papazoglou, V.J., “Material Properties for the EXAS and TENAX
Epoxy Composite Systems”, Technical Progress Report to the CEC under Contract No.
MAS2-CT92-0028, National Technical University of Athens, Shipbuilding Technology
Laboratory, Report No. STL 047-F-94, November 1994

17
9) Papazoglou, V.J. and Tsouvalis, N.G., “Finite Element Buckling Analysis of the EXAS
Small Scale Cylinder 4236”, Technical Progress Report to the CEC under Contract No.
MAS2-CT92-0028, National Technical University of Athens, Shipbuilding Technology
Laboratory, Report No. STL 050-F-95, September 1995.
10) Papazoglou, V.J. and Tsouvalis, N.G., “Proposal for Benchmark Numerical and/or
Analytical Studies”, Technical Progress Report to the CEC under Contract No. BE-7550,
National Technical University of Athens, Shipbuilding Technology Laboratory, Report
No. STL 051-F-95, April 1995.
11) Tsouvalis, N.G., “Finite Element Modelling of a Carbon/Epoxy Cylinder - Buckling
Analysis”, Technical Progress Report to the CEC under Contract No. BE-7550, National
Technical University of Athens, Shipbuilding Technology Laboratory, Report No. STL
052-F-96, April 1996.
12) Tsouvalis, N.G. and Papazoglou, V.J., “NTUA Contribution to the Sub-Task 3.1
Benchmark Study”, Technical Progress Report to the CEC under Contract No. BE-7550,
No. STL 053-F-96, April 1996.
13) Tsouvalis, N.G., Papazoglou, V.J. and Psiakis, J, “Comparative Study of All Sub-Task
3.1 Benchmark Study Results”, Technical Progress Report to the CEC under Contract
No. BE-7550, National Technical University of Athens, Shipbuilding Technology
Laboratory, Report No. STL 054-F-96, April 1996.
14) Tsouvalis, N.G. and Papazoglou, V.J., “Finite Element Buckling Analysis of the Half-
Scale Pressure Hull”, Technical Progress Report to the CEC under Contract No. MAS2-
CT92-0028, National Technical University of Athens, Shipbuilding Technology
Laboratory, Report No. STL 055-F-95, November 1995.
15) Papazoglou, V.J. and Tsouvalis, N.G., “Proposal for the Second Round of Benchmark
Studies”, Technical Progress Report to the CEC under Contract No. BE-7550, National
056-F-96, July 1996.
16) Tsouvalis, N.G. and Papazoglou, V.J., “Structural Scantlings for High Speed Crafts”,
Technical Report to Hellenic Register of Shipping, National Technical University of
Athens, Shipbuilding Technology Laboratory, Report No. STL 057-F-96, July 1996.
17) Papazoglou, V.J. and Tsouvalis, N.G., “Strength Analysis and Specifications for the
Structural Modifications of LAMBRO-OLYMPIC L65/74 Vessels” (in Greek), Technical
Report to the Customs Directorate, Ministry of Finance, Greece, National Technical
August 1996.
18) Tsouvalis, N.G., “Strength Analysis of Superstructure and Fore Accommodation Room
of LAMBRO-OLYMPIC L65/74 Vessels” (in Greek), Technical Report to the Customs
Directorate, Ministry of Finance, Greece, National Technical University of Athens,
Shipbuilding Technology Laboratory, Report No. STL 060-F-96, September 1996.

18
19) Papazoglou, V.J., Tsouvalis, N.G. and Dimou, D.N., “Strength Analysis and
Specifications for the Structural Modifications of OLYMPIC D44 Vessels” (in Greek),
Technical Report to the Customs Directorate, Ministry of Finance, Greece, National
062-F-96, October 1996.
20) Papazoglou, V.J. and Tsouvalis, N.G., “NTUA Contribution to the Second Round of
Benchmark Studies”, Technical Progress Report to the CEC under Contract No. BE-
7550, National Technical University of Athens, Shipbuilding Technology Laboratory,
Report No. STL 063-F-97, March 1997.
21) Papazoglou, V.J., Tsouvalis, N.G. and Dimou, D.N., “Strength Analysis and
Specifications for the Structural Modifications of ABEKING Vessels” (in Greek),
Technical Report to the Customs Directorate, Ministry of Finance, Greece, National
064-F-96, November 1996.
22) Papazoglou, V.J. and Tsouvalis, N.G., “Material Data Base and Relevant Statistical
Analysis Results”, Technical Progress Report to the CEC under Contract No. BE-7550,
No. STL 066-I-96, November 1996.
23) Mavrakos, S.A. and Tsouvalis, N.G., “Study for the Installation of Floating Docks No. 3,
6 and 7 to Crete Naval Base, Phase B” (in Greek), Technical Progress Report to the
Hellenic Navy, Report No. FLSTR-014-96, November 1996.
24) Papazoglou, V.J. and Tsouvalis, N.G., “Comparative Study of All Second Round
Benchmark Study Results”, Technical Progress Report to the CEC under Contract No.
BE-7550, National Technical University of Athens, Shipbuilding Technology Laboratory,
Report No. STL 067-F-97, April 1997.
25) Papazoglou, V.J., Tsouvalis, N.G. and Prifti, A., “A Study for the Retrofitting of Floating
Dock No. 3” (in Greek), Technical Report to the Hellenic Navy, National Technical
July 1997.
26) Papazoglou, V.J., Tsouvalis, N.G. and Zaphiratou, A.A., “Numerical Simulation of IFR
and IMP Buckling Tests - Evaluation of Results”, Technical Progress Report to the CEC
under Contract No. BE-7550, National Technical University of Athens, Shipbuilding
Technology Laboratory, Report No. STL 069-I-97, October 1997.
27) Papazoglou, V.J., Tsouvalis, N.G. and Zaphiratou, A.A., “Sensitivity and Parametric
Analyses for the CFRP and GRP Cylinders”, Technical Progress Report to the CEC
under Contract No. BE-7550, National Technical University of Athens, Shipbuilding
Technology Laboratory, Report No. STL 070-F-97, October 1997.
28) Papazoglou, V.J., Tsouvalis, N.G. and Zaphiratou, A.A., “Parametric Study of Small
Scale Composite Cylinders Under Hydrostatic Load: Flat Rigid End-Closures”,
Technical Progress Report to the CEC under Contract No. MAS3-CT97-0091, National

19
073-F-98, Rev. 1, November 1998.
29) Zaphiratou, A.A., Tsouvalis, N.G. and Papazoglou, V.J., “Parametric Study of Small
Scale Composite Cylinders Under Hydrostatic Load: Composite Domes”, Technical
Progress Report to the CEC under Contract No. MAS3-CT97-0091, National Technical
November 1998.
30) Zaphiratou, A.A., Tsouvalis, N.G., and Papazoglou, V.J., “Numerical Study of Large
Creep Cylinder under Hydrostatic Load : Definition of Thickness”, Technical Progress
Report to the CEC under Contract No. MAS3-CT97-0091, National Technical University
of Athens, Shipbuilding Technology Laboratory, Report No. STL-076-F-98, November
1998.
31) Papazoglou, V.J., Tsouvalis, N.G., and Zaphiratou, A.A., “Appendix A of Design
Guidelines: Benchmark Studies”, Technical Progress Report to the CEC under Contract
No. BE-7550, National Technical University of Athens, Shipbuilding Technology
Laboratory, Report No. STL 078-F-99, January 1999.
32) Zaphiratou, A.A., Tsouvalis, N.G., and Papazoglou, V.J., “Performance Comparison of
Pressure Housings Made of Different Materials”, Technical Progress Report to the CEC
under Contract No. MAS3-CT97-0091, National Technical University of Athens,
Shipbuilding Technology Laboratory, Report No. STL-084-F-99, December 1999.
33) Dimou, D., Tsouvalis, N.G., and Papazoglou, V.J., “Development of Scantlings
Requirements for FRP High Speed Small Craft”, National Technical University of
Athens, Shipbuilding Technology Laboratory, Report No. STL-086-F-00, Athens,
February 2000.
34) Zaphiratou, A.A., Tsouvalis, N.G., and Papazoglou, V.J., “Transition Ring Design”,
No. STL-087-F-00, Athens, March 2000.
35) Tsouvalis, N.G., and Vasileiou, N.V., “Thickness Calculation of Deck Plating Supporting
Wheeled Loads”, National Technical University of Athens, Shipbuilding Technology
Laboratory, Report No. STL-088-F-00, Athens, April 2000.
36) Zaphiratou, A.A., Tsouvalis, N.G., and Papazoglou, V.J., “Numerical Analysis of Small
Scale Composite Cylinders with Flat End Closures under Hydrostatic Load”, National
Technical University of Athens, Shipbuilding Technology Laboratory, Report No. STL-
092-F-00, Athens, December 2000.
37) Zaphiratou, A.A., Tsouvalis, N.G., and Papazoglou, V.J., “Numerical Analysis of
Demonstrator Composite Cylinder under Hydrostatic Load”, National Technical
University of Athens, Shipbuilding Technology Laboratory, Report No. STL-093-F-00,
Athens, December 2000.
38) Papazoglou, V.J. and Tsouvalis, N.G., “Investigation through Measurements of the Stress

20
State of the Main Beam Top Flange of the Elefsis Shipyards’ Gantry Crane KRUPP
400T”, National Technical University of Athens, Shipbuilding Technology Laboratory,
Report No. STL-101-I-01, April 2001.
39) Tsouvalis, N.G., “Strength Analysis of the Legs of the Jack-Up Platform ANDROS” (in
Greek), Technical Report to ATHINA S.A., National Technical University of Athens,
Shipbuilding Technology Laboratory, Report No. STL-102-F-01, April 2001.
40) Tsouvalis, N.G., “M/T Sea-Βravery II, Strength Calculations of Modified Rudder”,
No. STL-103-F-01, April 2001.
41) Mourkogiannis, D.N. and Tsouvalis, N.G., “Local Strength Calculations of Decks No. 3
and No. 5 of RO/RO Vessel HALKYON 2000”, National Technical University of
Athens, Shipbuilding Technology Laboratory, Report No. STL-104-F-01, April 2001.
42) Tsouvalis, N.G. and Katsaounis, G.M., “Free Hull Girder Vibrations Study of RO/RO
Vessel HALKYON 2000”, National Technical University of Athens, Shipbuilding
Technology Laboratory, Report No. STL-107-F-01, August 2001.
43) P. Caridis, D. Mourkogiannis and N. Tsouvalis, “Longitudinal Strength Study of RO/RO
Vessel HALKYON 2000”, NTUA, School of Naval Architecture and Marine
Engineering Report, August 2001.
44) Dimou, D.N. and Tsouvalis, N.G., “Ship Free Vibrations Study of RO/RO Vessel
HALKYON 2000”, National Technical University of Athens, Shipbuilding Technology
Laboratory, Report No. STL-109-F-01, October 2001.
45) Lagoumidou, M., Dimou, D.N. and Tsouvalis, N.G., “Scantlings Requirements for FRP
High Speed Small Craft: An Investigation on the Application of the New Hellenic
Register of Shipping Rules”, National Technical University of Athens, Shipbuilding
Technology Laboratory, Report No. STL-118-F-01, November 2001.
46) Papazoglou, V.J. and Tsouvalis, N.G., “Technical Assessment on the Causes of
Overthrow of Elefsis Shipyards 15T Crane”, Technical Report to Elefsis Shipyards,
No. STL-119-F-01, November 2001.
47) Dimou, D.N., Tsiopanas, S., Tsouvalis, N.G., Damala, D. and Grigoropoulos, G.,
“Pressure and Strain Measurements on the Bottom of High-Speed Planning Craft:
Analysis of Full Scale Trials”, National Technical University of Athens, Shipbuilding
Technology Laboratory and Ship and Marine Hydrodynamics Laboratories, Report No.
STL-120-F-01, November 2001.
48) Papazoglou, V.J. and Tsouvalis, N.G., “Examination of Discontinuity at the Cross Beam
Bottom Flange – Main Beam Junction of the Elefsis Shipyards’ 400T KRUPP Gantry
Crane”, Report to Elefsis Shipyards, National Technical University of Athens,
Shipbuilding Technology Laboratory, Report No. STL-129-F-02, January 2002.
49) Papazoglou, V.J., Dimou, D.N. and Tsouvalis, N.G., “Examination of Discontinuities of

21
the Longitudinal Stiffeners at the Cross Beam bottom Flange of the Elefsis Shipyards’
400T KRUPP Gantry Crane”, Report to Elefsis Shipyards, National Technical University
of Athens, Shipbuilding Technology Laboratory, Report No. STL-130-F-02, July 2002.
50) Papazoglou V.J. and Tsouvalis, N.G., “Study of the Stress Levels after Installation of two
Doubler Plates at the Initial Connection Flange Areas of the Main Beam of the Elefsis
Shipyards’ 400T KRUPP Gantry Crane”, Report to Elefsis Shipyard, National Technical
August 2002.
51) Papazoglou V.J., Tsouvalis, N.G. and Katsaounis, G.M., “Strength Study of the Pier Leg
of the Elefsis Shipyards’ 400T KRUPP Gantry Crane”, Report to Elefsis Shipyards,
No. STL-132-F-02, August 2002.
52) Papazoglou, V.J., Tsouvalis, N.G. and Dimou, D.N., “Strength Study of the cross-Beam
of the Elefsis Shipyards’ 400T KRUPP Gantry Crane” Report to Elefsis Shipyard,
No. STL-133-F-02, September 2002.
53) Tsouvalis, N.G. and Papazoglou, V.J., “Strength Study of the Main Trolley Drive Wheel
Box of the Elefsis Shipyards’ 400T KRUPP Gantry Crane”, Technical Report to Elefsis
Shipyards, National Technical University of Athens, Shipbuilding Technology
Laboratory, Report No. STL-139-F-03, October 2003.
54) Tsouvalis, N.G. and Markoulis A., “Results of Tension Tests for Resin CR105 TA”,
Technical Report, National Technical University of Athens, Shipbuilding Technology
Laboratory, Report No. STL-141-F-03, March 2003.
55) Tsouvalis, N.G., “Base Spring Flexure Tests of the VHF Center-Fed Antenna ANT
213”, Technical Report to INTRAKOM S.A., National Technical University of Athens,
Shipbuilding Technology Laboratory, Report No. STL-145-F-03, May 2003.
56) Dimou, D.N., Tsouvalis, N.G. and Papazoglou, V.J., “Parametric Loading Study of the
Elefsis Shipyards’ 400T KRUPP Gantry Crane”, Technical Report to Elefsis Shipyards
S.A., National Technical University of Athens, Shipbuilding Technology Laboratory,
Report No. STL-147-F-03, May 2003.
57) Papazoglou, V.J. and Tsouvalis, N.G., “Explanatory Annotation of selected Excerpts
from the Video Taping of the Sunken Ship DEMETRA BEAUTY”, Technical Report to
the Law Office of Gr. J. Timagenis, National Technical University of Athens,
Shipbuilding Technology Laboratory, Report No. STL-148-F-03, September 2003.
58) Papazoglou, V.J. and Tsouvalis, N.G., “Investigation of the reported Failure Scenarios
that led to the Sinking of DEMETRA BEAUTY”, Technical Report to the Law Office of
Gr. J. Timagenis, National Technical University of Athens, Shipbuilding Technology
Laboratory, Report No. STL-149-F-03, September 2003.

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59) Papazoglou, V.J., Tsouvalis, N.G. and Dimou, D.N., “Strength Study of the Long Travel
Rails Buffers of the Elefsis Shipyards 400T KRUPP Gantry Crane”, Technical Report to
Elefsis Shipyards S.A., National Technical University of Athens, Shipbuilding
Technology Laboratory, Report No. STL-155-F-03, November 2003.
60) Papazoglou, V.J., Tsouvalis, N.G. and Venetsanos, D., “Cross-Beam of the Elefsis
Shipyards’ 400T KRUPP Gantry Crane: Reinforcement of the Cable Hole and Effect of
Side Plating Cavities”, Technical Report to Elefsis Shipyards S.A., National Technical
February 2004.
61) Papazoglou, V.J., Tsouvalis, N.G. and Dimou, D., “Cross Beam of the Elefsis Shipyards’
400T KRUPP Gantry Crane: Modifications at Points of Misalignments of Top Plating
Longitudinal Stiffeners”, Technical Report to Elefsis Shipyards S.A., National Technical
December 2003.
62) Dimou, D., Tsouvalis, N.G. and Papazoglou, V.J., “Elefsis Shipyards’ 400T KRUPP
Gantry Crane: Effect of Counterweight”, Technical Report to Elefsis Shipyards, National
167-F-04, February 2004.
63) Tsouvalis, N.G., “Autopsy Report for the Vessel ANEMOS III”, Technical Report,
No. STL-171-F-04, February 2004.
64) Papazoglou, B.I. and Tsouvalis, N.G., “MAG/YAG Laser Welding Deformations and
Temperatures Experimental Measurements”, Technical Report, National Technical
University of Athens, Shipbuilding Technology Laboratory, Report No. STL-172-F-04.
65) Papazoglou, V.J. and Tsouvalis, N.G., “Autopsy Report for the Boat “Laura Z”,
Technical Report, National Technical University of Athens, Shipbuilding Technology
Laboratory, Report No. STL-174-F-04, June 2004.
66) Tsouvalis, N. and Papazoglou, V.J., “Εlefsis Shipyards’ 400T KRUPP Gantry Crane:
Effect of Thickness Reductions at the Cross Beam”, Technical Report to “Εlefsis
Shipyards”, National Technical University of Athens, Shipbuilding Technology
Laboratory, Report No. STL-179-F-04, December 2004.
67) Tsouvalis N.G and Papazoglou, V.J. “Elefsis Shipyards’ 400T KRUPP Gantry Crane:
Main Beam Bottom Flange Strengthening”, Technical Report to “Elefsis Shipyards”,
Report No. STL-193-F-05, April 2005.
68) Tsouvalis N.G and Papazoglou, V.J. “Elefsis Shipyards’ 400T KRUPP Gantry Crane:
Structural Tests of November 2005”, Technical Report to “Elefsis Shipyards”, Report
No. STL-203-F-05, December 2005.
69) Dimou, D. and Tsouvalis, N.G., “Structural Examination of Firearm BOFORS L-70
Cover” (in Greek), Technical Report to B.A. Chatziandreou technical company, National

23
205-F-06, January 2006.
70) Mirisiotis, L., and Tsouvalis, N.G., “Characterization of Composite Material Patches
made of Carbon Clothing and Epoxy Resins” (in Greek), Technical Report within the
framework of Research Project PYTHAGORAS II, National Technical University of
Athens, Shipbuilding Technology Laboratory, Report No. STL-213-F-06, March 2006.
71) Mirisiotis, L., and Tsouvalis, N.G., “Finite Element Simulation of Steel Ship Plating
Reinforced with Composite Patches” (in Greek), Technical Report within the framework
of Research Project PYTHAGORAS II, National Technical University of Athens,
Shipbuilding Technology Laboratory, Report No. STL-214-F-06, April 2006.
72) Papazoglou, V.J. and Tsouvalis, N.G., “Elefsis Shipyards’ 400T KRUPP Gantry Crane:
Periodic Investigation Schedule”, Technical Report to Elefsis Shipyards, National
215-F-06, July 2006.
73) Varvarigos, P., Dimou, D., Tsouvalis, N.G. and Papazoglou, V.J., “Study of the
Longitudinal Strength of the Ro-Ro Passenger Ship HALKYON-100” (in Greek),
Technical Report to GSRT within the framework of the Transportation-Shipping
Program, National Technical University of Athens, Shipbuilding Technology Laboratory,
Report No. STL-216-F-06, September 2006.
74) Varvarigos, P., Dimou, D., Tsouvalis, N.G. and Papazoglou, V.J., “Study of the Local
Strength of the Car Deck of the Ro-Ro Passenger Ship HALKYON-100” (in Greek),
Technical Report to GSRT within the framework of the Transportation-Shipping
Program, National Technical University of Athens, Shipbuilding Technology Laboratory,
Report No. STL-217-F-06, September 2006.
75) Mirisiotis, L., and Tsouvalis, N.G., “Experimental Investigation of the Static Behaviour
in Tension of Cracked Steel Plates Reinforced by Composite Patches” (in Greek),
Technical Report within the framework of Research Project PYTHAGORAS II, National
227-F-06, December 2006.
76) Mirisiotis, L., and Tsouvalis, N.G., “Experimental Investigation of the Fatigue Behaviour
of Cracked Steel Plates Reinforced by Composite Patches” (in Greek), Technical Report
within the framework of Research Project PYTHAGORAS II, National Technical
December 2006.
77) Katsaounis, G., Dimou, D., Tsouvalis, N.G. and Papazoglou, V.J., “Software
Development for the Preliminary Computation of the Steel Weight of Monohull Ro-Ro
Passenger Vessels on the Basis of Classification Society Rules” (in Greek), Technical
Report to GSRT within the framework of the Transportation-Shipping Program, National
229-06, December 2006.

24
78) Katsaounis, G., Dimou, D., Tsouvalis, N.G. and Papazoglou, V.J., “Software
Development for the Preliminary Computation of the Steel Weight of Double-Hull Ro-Ro
Passenger Vessels on the Basis of Classification Society Rules” (in Greek), Technical
230-06, December 2006.
79) Dimou, D., Tsouvalis, N.G. and Papazoglou, V.J., “Analytical Study of the Hull Free
Vibrations of the Ro-Ro Passenger Vessel HALKYON-100”, (in Greek), Technical
231-F-06, December 2006.
80) Mirisiotis, L., Tsouvalis, N. and Tsiourva, T., “Experimental investigation of the Static
Tensile Behaviour of Corroded Steel Plates Reinforced with Composite Patches”,
Technical Report within the framework of Project PYTHAGORAS II, National Technical
May 2007.
81) Tsouvalis, N.G., “Experimental Measurements on Specimens Taken form Hull 192 –
MAIORA 35DP at Maiora Shipyards – Massa”, Technical Report, National Technical
July 2007.
82) Tsouvalis, N., Kouloukouras, J., Dimou, D. and Mirisiotis, L., “Numerical Modeling of
the Static and Dynamic Experimental Tests Performed in Composite Patch Reinforced
Steel Plates with Defects”, Technical Report within the framework of Research Project
PYTHAGORAS II, National Technical University of Athens, Shipbuilding Technology
Laboratory, Report No. STL-247-F-07, September 2007.
83) Dimou, D. and Tsouvalis, N., “ Strength Analysis of the First Superstructures Deck of the
Open Type RO/RO Vessel”, Technical Report to Elefsis Shipyards, National Technical
January 2008 (in Greek).
84) Tsouvalis, N., Margelis, G. and Dellis, D., “Residual Stresses in Composite Materials: A
Review”, Technical Report MAR-R4-3-NTUA-24(2) within the framework of Research
Project MARSTRUCT, January 2009.
85) Anyfantis, K. and Tsouvalis, N., “Tensile Tests of Double Strap Adhesive Joints
Performed at NTUA: Experimental Results and Numerical Analyses”, Technical Report
MAR-R4-4-NTUA-25(1) within the framework of Research Project MARSTRUCT,
January 2009.
86) Dimou, D. and Tsouvalis, N., “Hull Condition Monitoring Systems: A Comparative
Study of Classification Societies Rules”, Technical Report MOSES-NTUA-WP1-1
within the framework of Research Project MOSES, February 2009.

25
87) Dimou, D., Samuelides, E. and Tsouvalis, N., “Tug “ERIDAN”: Finite Element
Structural Analysis of the Bow Area”, Technical Report MOSES-NTUA-WP2-2 within
the framework of Research Project MOSES, July 2009.
88) Margelis, G., Anyfantis, K. and Tsouvalis, N., “Plate Buckling Progressive Failure
Parametric Studies: NTUA Results”, Technical Report MAR-R4-3-NTUA-27(1) within
the framework of Research Project MARSTRUCT, November 2009.
89) Margelis, G., Stamatopoulos, K. and Tsouvalis, N., “Measurement of Residual Stresses in
Typical Marine Composite Materials Using the Incremental Hole Drilling Method”,
Technical Report MAR-R4-3-NTUA-28(1) within the framework of Research Project
MARSTRUCT, January 2010.
90) Margelis, G. and Tsouvalis, N., “Validation Studies of Plate Buckling by Progressive
Failure: NTUA Results”, Technical Report MAR-R4-3-NTUA-29(1) within the
framework of Research Project MARSTRUCT, January 2010.
91) Misirlis, K., Downes, J., Dow, R.S., Berggreen, C., Delarche, A., Lundsgaard-Larsen, C.,
Tsouvalis, N., Anyfantis, K. and Margelis, G., “Buckling of Imperfect Composite Plates:
Parametric Studies”, Technical Report MAR-D4-3-UNEW-DTU-NTUA-6(1) within the
framework of Research Project MARSTRUCT, January 2010.
92) Pantelis, D.I., Tsouvalis, N.G. and Karalis, D.G., “Investigation of the Causes of Global
Failure of M/T ELLI”, Technical Report, National Technical University of Athens,
Shipbuilding Technology Laboratory, Report No. STL-295-F-10, January 2010.
93) Pantelis, D.I., Tsouvalis, N.G. and Karalis, D.G., “Metallographic Investigation of
Welded Sample From M/T ELLI”, Technical Report, National Technical University of
Athens, Shipbuilding Technology Laboratory, Report No. STL-296-F-10, January 2010.
94) Tsouvalis, N. and Katsaounis, G., “Co-Patch Project Handbook”, Technical Report
NTUA-MG-WP8-1-v1 within the framework of Research Project Co-Patch, March 2010.
95) Dimou, D. and Tsouvalis, N., “H. KANTER: Preliminary Algorithms for the Software
On-board”, Technical Report MOSES-NTUA-WP3-1 within the framework of Research
Project MOSES, March 2010.
96) Tsouvalis, N. and Markoulis, A., “Tensile and Flexural Mechanical Properties of
Polyethylene Material ICORENE® 1500”, Technical Report, National Technical
June 2010.
97) Dimou, D. and Tsouvalis, N., “H. KANTER: Algorithms for the Software On-board”,
Technical Report MOSES-NTUA-WP3-2 within the framework of Research Project
MOSES, Report No. STL-335-F-13, August 2010.
98) Tsouvalis, N. and Karatzas, V., “Bond Strength Tests: Specimens Geometry and
Fabrication Guidelines”, Technical Report NTUA-TR-WP3-2-v1 within the framework
of Research Project Co-Patch, Report No. STL-336-F-13, October 2010.

26
99) Karatzas, V. and Tsouvalis, N., “Composite Materials Characterization Tests”, Technical
Report NTUA-TR-WP3-3-v1 within the framework of Research Project Co-Patch,
Report No. STL-337-F-13, February 2011.
100) Dimou, D. and Tsouvalis, N., “H. KANTER: Analysis of On-board Measurements
Data”, Technical Report MOSES-NTUA-WP5-1 within the framework of Research
Project MOSES, Report No. STL-338-F-13, March 2011.
101) N.G. Tsouvalis, G.M. Katsaounis and F. Salamat-Zadeh, “Proven evidence of contact
with relevant stakeholder groups using a variety of media– Intermediate issue”,
Technical Report NTUA-OD-WP7-1-v1 within the framework of Research Project Co-
Patch, Report No. STL-339-F-13, June 2011.
102) Volonakis, S., Epitropakis, I., Tsouvalis, N. and Papazoglou, V., “Experimental
Characterization of a Carbon/Epoxy and a Glass/Epoxy Composite Material –
Comparative Results”, Technical Report, National Technical University of Athens,
Shipbuilding Technology Laboratory, Report No. STL-319-F-12, November 2011 (in
Greek).
103) Volonakis, S., Epitropakis, I., Tsouvalis, N. and Papazoglou, V., “Experimental
Investigation of Carbon/epoxy Composite Cylinders”, Technical Report, National
320-F-12, November 2011 (in Greek).
104) Volonakis, S., Epitropakis, I., Tsouvalis, N. and Papazoglou, V., “Comparison of
Experimental and Numerical Results of the Behaviour of Carbon/Epoxy Cylinders in
Compression”, Technical Report, National Technical University of Athens,
Shipbuilding Technology Laboratory, Report No. STL-321-F-12, November 2011 (in
Greek).
105) Tsouvalis, N., «Experimental Measurements on Specimens Taken from the Hull of M/Y
NADARA 43», Technical Report, National Technical University of Athens,
Shipbuilding Technology Laboratory, Report No. STL-323-F-12, February 2012.
106) Tiriakidis, V., Chatzidouros, E., Volonakis, S. and Tsouvalis, N., “Applications and
Technical Characteristics of Pressure Vessels”, Technical Report Π1.1 within the
framework of Research Project Compressed Liquid Tank Manufactured by Composite
Materials, Report No. STL-340-F-13, March 2012 (in Greek).
107) Karatzas, V. and Tsouvalis, N., “Bond Strength Tests”, Technical Report NTUA-TR-
WP3-4-v2 within the framework of Research Project Co-Patch, Report No. STL-341-F-
13, May 2012.
108) S. Paboeuf, V. Karatzas, N. Tsouvalis, M. Codda, G. Risso, J. Harald Grave and D.
Polic, “Report on the comparison of the numerical and experimental results for the
bond strength tests”, Technical Report CETENA-TR-WP4-3-v0 within the framework
of Research Project Co-Patch, Report No. STL-342-F-13, June 2012.

27
109) Volonakis, S. and Tsouvalis, N., “Composite Material Characterization Test Results
from Curved Filament Wound Specimens”, Technical Report Π2.2 within the
framework of Research Project Compressed Liquid Tank Manufactured by Composite
Materials, Report No. STL-343-F-13, July 2012 (in Greek).
110) Kotsidis, E., Karatzas, V. and Tsouvalis, N., “Failure criteria implementation on mid-
scale short term specimens”, Technical Report NTUA-TR-WP4-1-v0 within the
framework of Research Project Co-Patch, Report No. STL-344-F-13, July 2012.
111) Tsouvalis, N. and Katsaounis, G., «Investigation of Performance of a Gantry Crane
Main Beam Bolted Joint », Technical Report, National Technical University of Athens,
Shipbuilding Technology Laboratory, Report No. STL-329-F-12, October 2012.
112) Kotsidis, E., Karatzas, V. and Tsouvalis, N., “Manufacturing and short-term tests results
of plate specimens”, Technical Report NTUA-TR-WP3-6-v0 within the framework of
Research Project Co-Patch, Report No. STL-345-F-13, January 2013.
113) Kotsidis, E., Karatzas, V. and Tsouvalis, N., “Manufacturing and long term tests of
plate specimens”, Technical Report NTUA-TR-WP3-7-v0 within the framework of
Research Project Co-Patch, Report No. STL-346-F-13, January 2013.
114) Frydas, J., Kotsidis, E., Karatzas, V. and Tsouvalis, N., “A Parametric Numerical Study
of the Fatigue Behavior of Cracked Steel Plates Repaired with Composite Patches”,
Technical Report NTUA-TR-WP4-2-v0 within the framework of Research Project Co-
Patch, Report No. STL-347-F-13, March 2013.

Curriculum Vitae of Professor Nicholas TSOUVALIS

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