Journal of Civil Engineering Research

Journal of Civil Engineering Research is an open access scientific journal intended to bring together the information in different areas of civil engineering around the world. The aim of this journal is to combine theory and practice in civil engineering and thus advancement of civil engineering sciences. It will provide a platform for academicians, researchers and engineers to share their experience and solution to problems in different areas of civil engineering.

Evangelos Sapountzakis

Editorial Board Member of Journal of Civil Engineering Research

Professor, National Technical University of Athens, School of Civil Engineering, Greece

Research Areas

Computational Mechanics, Static and Dynamic Analysis of Structures, Numerical Methods

Education

1985-1990Ph.DDepartment of Structural Engineering of the NTUA
1984-1985M.Sc Imperial College of Science and Technology of London

Experience

2007-presentAssociate Professor of the Department of Structural Engineering at the School of Civil Engineering of the NTUA
2007-presentProfessor of Structural Analysis at the School of Corps of Engineers of the Hellenic Army
2002-2007Assistant Professor of the Department of Structural Engineering at the School of Civil Engineering of the NTUA
1990-2007Assistant Professor of Structural Analysis at the School of Corps of Engineers of the Hellenic Army
1985-1990Special Postgraduate Scholar at the Department of Structural Engineering of the NTUA

Membership

Member of the American Society of Civil Engineers (A.S.C.E.)
Charter Member of the Structural Engineering Institute (S.E.I.)
Member of the Ιnternational Association for Bridge and Structural Engineering (I.A.B.S.E.)
Member of the International Society of Boundary Elements (I.S.B.E.)
Member of the Greek Society of Theoretical and Applied Mechanics
Member of the International Union of Theoretical and Applied Mechanics (I.U.T.A.M.)
Member of the Greek Association for Computational Mechanics (GR.A.C.M.) and
Member of the International Association for Computational Mechanics (I.A.C.M.)
Honorary Member of the International Biographical Centre (I.B.C.) Research Council
Honorary Member of the Research Board of Advisors of the American Biographical Institute (A.B.I.)
Member of the Technical Chamber of Greece (1984)
Member of the Association of Civil Engineers (1984)

Publications: Journals

[1]  Katsikadelis J.T. and Sapountzakis E.J. (1985) "Torsion of Composite Bars by the Boundary Element Method", Journal of Engineering Mechanics, ASCE, Vol. 51, pp. 1197-1210.
[2]  Pavlovic M.N. and Sapountzakis E.J. (1986) "Computers and Structures: Non-Numerical Applications", Journal Computers and Structures, Vol. 24, No 3, pp. 455-474.
[3]  Katsikadelis J.T. and Sapountzakis E.J. (1988) "An Approach to the Vibration Problem of Homogeneous, Non-Homogeneous and Composite Membranes Based on the boundary Element Method", International Journal for Numerical Methods in Engineering, Vol. 26, pp. 2439-2455.
[4]  Katsikadelis J.T., Sapountzakis E.J. and Zorba E.G. (1990) "A BEM Approach to Static and Dynamic Analysis of Plates with Internal Supports", Computational Mechanics, Vol. 7, pp. 31-40
[5]  Sapountzakis E.J. and Katsikadelis J.T. (1991) "Boundary Element Solution for Plates of Variable Thickness", Journal of Engineering Mechanics, ASCE, Vol.117, No. 6, pp. 1241-1256.
[6]  Katsikadelis J.T. and Sapountzakis E.J. (1991) "A BEM Solution to Dynamic Analysis of Plates with Variable Thickness", Computational Mechanics, Vol. 7, pp. 369-379.
[7]  Sapountzakis E.J. and Katsikadelis J.T. (1992) "Unilaterally Supported Plates on Elastic Foundations by the Boundary Element Method", Journal of Applied Mechanics, ASME, Vol.59, pp.580-586.
[8]  Sapountzakis E.J. and Katsikadelis J.T. (2000) "Analysis of Plates Reinforced with Beams", Computational Mechanics, Vol.26, pp.66-74.
[9]  Sapountzakis E.J. and Katsikadelis J.T. (1999) "Dynamic Analysis of Elastic Plates Reinforced with Beams of Doubly-Symmetrical Cross Section", Computational Mechanics, Vol.23, pp.430-439.
[10]  Sapountzakis E.J. and Katsikadelis J.T. (2000) "Elastic Deformation of Ribbed Plate Systems Under Static, Transverse and Inplane Loading", Computers and Structures, Vol.74, pp.571-581.
[11]  Sapountzakis E.J. and Katsikadelis J.T. (2000) "Interface Forces in Composite Steel-Concrete Structures", International Journal of Solids and Structures, Vol.37, pp.4455-4472.
[12]  Sapountzakis E.J. (2000) "Solution of Nonuniform Torsion of Bars by an Integral Equation Method", Computers and Structures, Vol.77, pp.659-667.
[13]  Sapountzakis E.J. and Mokos V.G. (2001) "Nonuniform Torsion of Composite Bars by Boundary Element Method", Journal of Engineering Mechanics, ASCE, Vol.127, No.9, pp. 945-953.
[14]  Sapountzakis E.J. and Katsikadelis J.T. (2001) "Analysis of Prestressed Concrete Slab-and-Beam Structures", Computational Mechanics, Vol.27, pp.492-503.
[15]  Sapountzakis E.J. (2001) "Nonuniform Torsion of Multi-Material Composite Bars by the Boundary Element Method", Computers and Structures, Vol.79, pp.2805-2816.
[16]  Katsikadelis J.T, and Sapountzakis E.J. (2002) "A Realistic Estimation of the Effective Breadth of Ribbed Plates", International Journal of Solids and Structures, Vol.39, pp.897-910.
[17]  Sapountzakis E.J. and Katsikadelis J.T. (2002) "Creep and Shrinkage Effect on Reinforced Concrete Slab-and-Beam Structures", Journal of engineering Mechanics, ASCE, Vol. 128, No.6, pp.625-634.
[18]  Sapountzakis E.J. and Katsikadelis J.T. (2002) "Influence of the Inplane Boundary Conditions on the Vibration Frequencies and Buckling Load of Ribbed Plates", International Journal of Structural Stability and Dynamics, Vol.2, No.1, pp.25-43.
[19]  Sapountzakis E.J. and Katsikadelis J.T. (2002) "A Νew Μodel of Slab and Beam Structures-Comparison with other Models", Computers and Structures, Vol.80, pp.459-470.
[20]  Sapountzakis E.J. and Katsikadelis J.T. (2003) "Creep and Shrinkage Effect on the Dynamic Analysis of Reinforced Concrete Slab-and-Beam Structures", Journal of Sound and Vibration, Vol. 260, No.3, pp.403-416.
[21]  Sapountzakis E.J. and Mokos V.G. (2003) "Warping Shear Stresses in Nonuniform Torsion by BEM", Computational Mechanics, Vol.30, No.2, pp.131-142.
[22]  Sapountzakis E.J. and Katsikadelis J.T. (2003) "A New Model for the Analysis of Composite Steel-Concrete Slab and Beam Structures with Deformable Connection", Computational Mechanics, Vol.31, No.3-4, pp.340-349.
[23]  Sapountzakis E.J. and Mokos V.G. (2003) "Warping Shear Stresses in Nonuniform Torsion of Composite Bars by BEM", Computer Methods in Applied Mechanics and Engineering, Vol.192, pp.4337-4353.
[24]  Sapountzakis E.J. and Mokos V.G. (2004) "Nonuniform Torsion of Bars of Variable Cross Section", Computers and Structures, Vol.82, No.9-10, pp.703-715.
[25]  Sapountzakis E.J. and Mokos V.G. (2004) "Nonuniform Torsion of Composite Bars of Variable Thickness by BEM", International Journal of Solids and Structures, Vol.41, No.7, pp.1753-1771.
[26]  Sapountzakis E.J. (2004) "Dynamic Analysis of Composite Steel-Concrete Structures with Deformable Connection", Computers and Structures, Vol.82, No.9-10, pp.717-729.
[27]  Sapountzakis E.J. and Mokos V.G. (2004) "3-D Beam Element of Variable Composite Cross Section Including Warping Effect", Acta Mechanica, Vol.171, pp.151-169.
[28]  Sapountzakis E.J. and Mokos V.G. (2004) "3-D Elastic Beam Element of Composite or Homogeneous Cross Section Including Warping Effect with Applications to Spatial Structures", Τechnika Chronika, Scientific Journal of the TCG, Section I, Civil Engineering, Rural and Surveying Engineering, Vol.24, No.1-3, pp. 115-139.
[29]  Sapountzakis E.J. (2005) "Torsional Vibrations of Composite Bars by BEM", Composite Structures, Vol.70, pp.229-239.
[30]  Sapountzakis E.J. (2005) "Torsional Vibrations of Composite Bars of Variable Cross Section by BEM", Computer Methods in Applied Mechanics and Engineering, Vol.194, pp.2127-2145.
[31]  Sapountzakis E.J. and Mokos V.G. (2005) "A BEM Solution to Transverse Shear Loading of Beams", Computational Mechanics, Vol.36, pp.384-397.30
[32]  Mokos V.G. and Sapountzakis E.J. (2005) "A BEM Solution to Transverse Shear Loading of Composite Beams", International Journal of Solids and Structures, Vol.42, pp.3261-3287.
[33]  Sapountzakis E.J. and Mokos V.G. (2006) "Dynamic Analysis of 3-D Beam Elements Including Warping and Shear Deformation Effects", International Journal of Solids and Structures, Vol.43, pp.6707-6726.
[34]  Sapountzakis E.J. and Mokos V.G. (2006) "Influence of the Interface Forces to the Analysis of Beam Stiffened Plates", WSEAS Transactions on Mathematics, Vol.5, No.4, pp.390-404.
[35]  Sapountzakis E.J. and Mokos V.G. (2006) "Shear Deformation Effect in Second-Order Analysis of Composite Frames Subjected in Variable Axial Loading by BEM", Structural Durability & Health Monitoring, Vol.2, No.4, pp. 207-223.
[36]  Sapountzakis E.J. and Tsiatas G.C. (2007) "Flexural-Torsional Vibrations of Beams by BEM", Computational Mechanics, Vol.39, pp.409-417.
[37]  Sapountzakis E.J. and Tsiatas G.C. (2007) "Elastic Flexural Buckling Analysis of Composite Beams of Variable Cross-Section by BEM", Engineering Structures, Vol.29, No.5, pp.675-681.
[38]  Sapountzakis E.J. and Mokos V.G. (2007) "3-D Beam Element of Composite Cross Section Including Warping and Shear Deformation Effects", Computers and Structures, Vol.85, pp.102-116.
[39]  Sapountzakis E.J. and Mokos V.G. (2007) "Analysis of Plates Stiffened by Parallel Beams", International Journal for Numerical Methods in Engineering, Vol.70, pp.1209-1240.
[40]  Sapountzakis E.J. and Mokos V.G. (2007) "Vibration Analysis of 3-D Composite Beam Elements Including Warping and Shear Deformation Effects", Journal of Sound and Vibration, Vol.306, pp.818-834.
[41]  Sapountzakis E.J. and Tsiatas G.C. (2007) "Flexural-Torsional Buckling and Vibration Analysis of Composite Beams", Computers, Materials and Continua, Vol.6, No.2, pp.103-115.
[42]  Sapountzakis E.J. and Mokos V.G. (2007) "Shear Deformation Effect in Nonlinear Analysis of Spatial Composite Beams Subjected to Variable Axial Loading by BEM", Acta Mechanica, Vol.193, pp.43-65.
[43]  Sapountzakis E.J. and Mokos V.G. (2008) "Shear Deformation Effect in Nonlinear Analysis of Spatial Beams", Engineering Structures, Vol.30, pp.653-663.
[44]  Sapountzakis E.J. and Protonotariou V.M. (2008) "A Displacement Solution for Transverse Shear Loading of Beams Using the Boundary Element Method", Computers and Structures, Vol.86, pp.771-779.31
[45]  Sapountzakis E.J. and Mokos V.G. (2008) "Shear Deformation Effect in Second-Order Analysis of Frames Subjected to Variable Axial Loading", Computational Mechanics, Vol.41, No.3, pp.429-439.
[46]  Sapountzakis E.J. and Panagos D.G. (2008) "Nonlinear Analysis of Beams of Variable Cross Section Including Shear Deformation Effect", Archive of Applied Mechanics, Vol.78, pp.687-710.
[47]  Sapountzakis E.J. and Mokos V.G. (2008) "An Improved Model for the Dynamic Analysis of Plates Stiffened by Parallel Beams", Engineering Structures, Vol.30, pp.1720-1733.
[48]  Sapountzakis E.J. and Tsipiras V.J. (2008) "Nonlinear Inelastic Uniform Torsion of Bars by BEM", Computational Mechanics, Vol.42, pp.77-94.
[49]  Sapountzakis E.J. and Panagos D.G. (2008) "Shear Deformation Effect in Nonlinear Analysis of Composite Beams of Variable Cross Section", International Journal of Non-Linear Mechanics, Vol.43, pp.660-682.
[50]  Sapountzakis E.J. and Mokos V.G. (2008) "An Improved Model for the Analysis of Plates Stiffened by Parallel Beams with Deformable Connection", Computers and Structures, Vol.86, pp.2166-2181.
[51]  Sapountzakis E.J. and Dourakopoulos J.A. (2008) "Flexural-Torsional Buckling Analysis of Composite Beams by BEM Including Shear Deformation Effect", Mechanics Research Communications, Vol.35, pp.497-516.
[52]  Sapountzakis E.J. and Mokos V.G. (2009) "Shear Deformation Effect in Plates Stiffened by Parallel Beams", Archive of Applied Mechanics, Vol.79, pp.893-915.
[53]  Sapountzakis E.J. and Dourakopoulos J.A. (2009) "Shear Deformation Effect in Flexural-Torsional Vibrations of Beams by BEM", Acta Mechanica, Vol.203, pp.197-221.
[54]  Sapountzakis E.J. and Mokos V.G. (2009) "Shear Deformation Effect in the Dynamic Analysis of Plates Stiffened by Parallel Beams", Acta Mechanica, Vol.204, No.3, pp.249-272.
[55]  Sapountzakis E.J. and Tsipiras V.J. (2009) "Nonlinear Inelastic Uniform Torsion of Composite Bars by BEM", Computers and Structures, Vol.87, pp.151-166.
[56]  Sapountzakis E.J. (2009) "Recent Advances in the Dynamic Analysis of Stiffened Plates-Application to Concrete or to Composite Steel-Concrete Structures", Recent Patents on Engineering, Vol.3, No.1, pp.39-59 (invited paper).
[57]  Sapountzakis E.J. and Tsipiras V.J. (2009) "Effect of Axial Restraint in Composite Bars under Nonlinear Inelastic Uniform Torsion by BEM", Engineering Structures, Vol.31, pp.1190-1203.32
[58]  Sapountzakis E.J. and Dourakopoulos J.A. (2009) "Nonlinear Dynamic Analysis of Timoshenko Beams by BEM. Part I: Theory and Numerical Implementation", Nonlinear Dynamics, Vol.58, No.1, pp.295-306.
[59]  Sapountzakis E.J. and Dourakopoulos J.A. (2009) "Nonlinear Dynamic Analysis of Timoshenko Beams by BEM. Part II: Applications and Validation", Nonlinear Dynamics, Vol.58, No.1, pp.307-318.
[60]  Sapountzakis E.J. and Mokos V.G. (2009) "A Displacement Solution to Transverse Shear Loading of Composite Beams by BEM", Computers, Materials and Continua, Vol.10, No.1, pp.1-39.
[61]  Sapountzakis E.J. and Dourakopoulos J.A. (2009) "Lateral Buckling Analysis of Beams of Arbitrary Cross Section by BEM", Computational Mechanics, Vol.45, No.1, pp.11-21.
[62]  Sapountzakis E.J. and Mokos V.G. (2009) "Buckling Analysis of Plates Stiffened by Parallel Beams", Computers, Materials and Continua, Vol.12, No.2, pp.157-195.
[63]  Sapountzakis E.J. and Tsipiras V.J. (2009) "Composite Bars of Arbitrary Cross Section in Nonlinear Elastic Nonuniform Torsion by BEM", Journal of Engineering Mechanics, ASCE, Vol.135, No.12, pp.1354-1367.
[64]  Sapountzakis E.J. and Dourakopoulos J.A. (2010) "Flexural-Torsional Postbuckling Analysis of Beams of Arbitrary Cross Section", Acta Mechanica, Vol.209, No.1, pp.67-84.
[65]  Sapountzakis E.J. and Tsipiras V.J. (2010) "Nonlinear Elastic Nonuniform Torsion of Bars of Arbitrary Cross Section by BEM", International Journal of Non-Linear Mechanics, Vol.45, pp.63-74.
[66]  Sapountzakis E.J. (2010) "An Improved Model for the Analysis of Plates Stiffened by Parallel Beams Including Creep and Shrinkage Effects-Application to Concrete or to Composite Steel-Concrete Structures", International Review of Civil Engineering, Vol.1, No.1, pp.18-31 (invited paper).
[67]  Sapountzakis E.J. and Tsipiras V.J. (2010) "Nonlinear Nonuniform Torsional Vibrations of Bars by the Boundary Element Method", Journal of Sound and Vibration, Vol.329, pp.1853-1874.
[68]  Sapountzakis E.J. and Dourakopoulos J.A. (2010) "Shear Deformation Effect in Flexural-Torsional Vibrations of Composite Beams by BEM", Journal of Vibration and Control, Vol.16, No.12, pp.1763-1789.
[69]  Sapountzakis E.J. and Tsipiras V.J. (2010) "Warping Shear Stresses in Nonlinear Nonuniform Torsional Vibrations of Bars by BEM", Engineering Structures, Vol.32, pp.741-752.
[70]  Sapountzakis E.J. and Dourakopoulos J.A. (2010) "Shear Deformation Effect in Flexural-Torsional Buckling Analysis of Beams of Arbitrary Cross Section by BEM", Structural Engineering and Mechanics, Vol.35, No.2, pp.141-173.
[71]  Sapountzakis E.J. and Kampitsis A.E. (2010) "Nonlinear Analysis of Shear Deformable Beam-Columns Partially Supported on Tensionless Winkler 33 Foundation", International Journal of Engineering, Science and Technology, Special Issue on Computational Mechanics, Vol.2, No.4, pp.31-53.
[72]  Sapountzakis E.J. and Kampitsis A.E. (2010) "Nonlinear Dynamic Analysis of Timoshenko Beam-Columns Partially Supported on Tensionless Winkler Foundation", Computers and Structures, Vol.88, pp.1206-1219.
[73]  Dourakopoulos J.A. and Sapountzakis E.J. (2010) "Postbuckling Analysis of Beams of Arbitrary Cross Section Using BEM", Engineering Structures, Vol.32, pp.3713-3724.
[74]  Sapountzakis E.J. and Tsipiras V.J. (2010) "Shear Deformable Bars of Doubly Symmetrical Cross Section Under Nonlinear Nonuniform Torsional Vibrations-Application to Torsional Postbuckling Configurations and Primary Resonance Excitations", Nonlinear Dynamics, Vol.62, pp.967-987.
[75]  Sapountzakis E.J. and Dikaros I.C. (2010) "Nonlinear Effects in Elastic Flexural-Torsional Vibrations of Beams of Arbitrary Cross Section", Recent Patents on Computer Science, Vol.3, No.3, pp.203-223.
[76]  Sapountzakis E.J. and Dourakopoulos J.A. (2010) "Flexural-Torsional Nonlinear Analysis of Timoshenko Beam-Column of Arbitrary Cross Section by BEM", Computers, Materials and Continua, Vol.18, No.2, pp.121-154.
[77]  Sapountzakis E.J. and Kampitsis A.E. (2011) "Nonlinear Analysis of Shear Deformable Beam-Columns Partially Supported on Tensionless Three-Parameter Foundation", Archive of Applied Mechanics, in print.
[78]  Sapountzakis E.J. and Dikaros I.C. (2011) "Nonlinear Flexural-Torsional Dynamic Analysis of Beams of Arbitrary Cross Section by BEM", International Journal of Non-Linear Mechanics, Vol.46, pp.782-794.
[79]  Sapountzakis E.J. and Kampitsis A.E. (2011) "Nonlinear Response of Shear Deformable Beams on Tensionless Nonlinear Viscoelastic Foundation under Moving Loads", Journal of Sound and Vibration, in print.
[80]  Sapountzakis E.J. and Tsipiras V.J. (2011) "Inelastic Nonuniform Torsion of Bars of Doubly Symmetric Cross Section by BEM", Computers and Structures, in print.

Publications: Conferences/Workshops/Symposiums

[1]  Katsikadelis J.T. and Sapountzakis E.J. (1986) "Numerical Evaluation of the Green Function for the Laplace Equation with Applications to Linear and Non-Linear Potential Problems by the Boundary Element Method", Proc. of 3rd Interanational Conference on Computational Methods and Experimental Measurements, Porto Carras, Greece, Springer Verlag, Berlin, pp. 877-890.
[2]  Katsikadelis J.T. and Sapountzakis E.J. (1987) "Numerical Evaluation of the Green Function for the Biharmonic Equation Using BEM with Applications to Static and Dynamic Analysis of Plates", Proc. of 9th International Conference on Boundary Element Methods in Engineering, University of Stuttgart, Springer Verlag, Berlin, Vol. 2, pp. 51-67.34
[3]  Katsikadelis J.T. and Sapountzakis E.J. (1988) "A New Method for the Evaluation of Plates on Elastic Ground", Proc. of the First Hellenic Conference of Geotechnical Mechanics, Athens, Greece, Volume 2, pp. 197-202.
[4]  Sapountzakis E.J. and Katsikadelis J.T. (1988) "Unilaterally Supported Plates on Elastic Foundation by the Boundary Element Method", Proc. of the XVIIth International Congress of Theoretical and Applied Mechanics, Grenoble, France, pp. 165-166.
[5]  Katsikadelis J.T., Sapountzakis E.J. and Zorba E.G. (1988) "A BEM Approach to Static and Dynamic Analysis of Plates with Internal Supports", Proc. of the 10th International Conference on Boundary Element Methods in Engineering, Southampton, UK, Springer Verlag, Berlin, pp. 431-444.
[6]  Sapountzakis E.J. and Katsikadelis J.T. (1989) "A Boundary Element Solution for Plates with Variable Thickness", Proc. of the 2nd National Congress of HSTAM, Athens, Greece, Vol.1, pp.212-226.
[7]  Katsikadelis J.T. and Sapountzakis E.J. (1989) "A BEM Solution to Dynamic Analysis of Plates with Variable Thickness", Proc. of the 11th International Conference on Boundary Element Methods in Engineering, Cambridge, Massachussets, Springer Verlag, Berlin, Vol. 3, pp. 285-302.
[8]  Katsikadelis J.T., Yotis A.J. and Sapountzakis E.J. (1990) "An Integral Equation Approach to the Vibration Problem of Thick Elastic Plates", Proc. of the European Conference on Structural Dynamics, EURODYN '90, pp.869-875, Bochum, Germany.
[9]  Katsikadelis J.T. and Sapountzakis E.J. (1991) "Influence of the Inplane Boundary Conditions to the Buckling Load of Plate Panels", Proc. of the 1st National Conference on Steel Structures, Athens, Greece, pp.163-176.
[10]  Katsikadelis J.T. and Sapountzakis E.J. (1991) "A BEM Solution to the Vibration Problem of Plates Under Inplane Forces with Application to Stability of Plates", Proc. of the Polish-German-Greek Symposium on Dynamics and Stability of Continua, Pultusk, Poland.
[11]  Katsikadelis J.T. and Sapountzakis E.J. (1992) "A BEM Solution to Dynamic Analysis of Plates Subjected to Inplane Forces", Proc. of the 1st European Joint Conference on Engineering Systems Design and Analysis, Istanbul, Turkey, ASME, Vol.5, pp. 41-48.
[12]  Sapountzakis E.J. and Katsikadelis J.T. (1998) "Analysis of Plates Reinforced with Beams", Proc. of the 5th National Congress on Mechanics, Ioannina, Greece, August 27-30, Vol.1, pp.92-100.
[13]  Sapountzakis E.J. and Katsikadelis J.T. (1998) "Dynamic Analysis of Plates Reinforced with Beams", Proc. of the Eleventh European Conference on Earthquake Engineering, CNIT, Paris, September 6-11, Balkema, Rotterdam, pp.306.
[14]  Sapountzakis E.J. and Katsikadelis J.T. (1998) "Static and Dynamic Analysis of Valleybridge Deck Slabs Reinforced with Beams", Proc. of the 2nd Interscientific Conference "Technology, Civilization and Decentralisation", Μetsovo, Greece, June 3-6, pp.735-757.35
[15]  Sapountzakis E.J. and Katsikadelis J.T. (1998) "Analysis of Ribbed Plate Systems Under Transverse and Inplane Loading", Proc. of the 3rd National Conference on Steel Structures, Thessaloniki, Greece, October 30-31, pp.76-83.
[16]  Sapountzakis E.J. and Katsikadelis J.T. (1999) "Influence of the Inplane Boundary Conditions on the Buckling Load of Ribbed Plates", Proc. of the 2nd European Conference on Steel Structures, Praha, Czech Republic, May 26-29, Vol.1, pp.71-74.
[17]  Sapountzakis E.J. and Katsikadelis J.T. (1999) "Evaluation of Interface Forces in Composite Steel-Concrete Structures", Proc. of the 3rd National Congress on Computational Mechanics, Volos, Greece, June 24-26, pp.199-206.
[18]  Sapountzakis E.J. and Katsikadelis J.T. (1999) "Creep and Shrinkage Effect on Reinforced Concrete Slab-and-Beam Structures", Proc. of the International Congress "Creating with Concrete", Dundee, Scotland, September 6-10, Vol. Innovation in Concrete Structures, pp.531-542.
[19]  Sapountzakis E.J. and Katsikadelis J.T. (1999) "Creep and Shrinkage Effect on the Dynamic Analysis of Reinforced Concrete Slab-and-Beam Structures", Proc. of the European Conference on Computational Mechanics, Münich, Germany, August 31-September 3, pp.370.
[20]  Sapountzakis E.J. (2000) "Nonuniform Torsion of Composite Bars of Materials in Contact by the Boundary Element Method", Proc. of the Fourth International Colloquium on Computation of Shell and Spatial Structures, Chania, Crete, Greece, June 5-7, pp.14.
[21]  Sapountzakis E.J. and Katsikadelis J.T. (2000) "Analysis of Prestressed Concrete Slab-and-Beam Structures", Proc. of the Fourth International Colloquium on Computation of Shell and Spatial Structures, Chania, Crete, Greece, June 5-7, pp.410.
[22]  Sapountzakis E.J. (2000) "Bridge Deck Structures in Nonuniform Torsion", Proc. of the 16th Congress of IABSE Structural Engineering for Meeting Urban Transportation Challenges, Lucerne, Switzerland, September 18-21, pp.150.
[23]  Sapountzakis E.J. (2001), "Creep and Shrinkage Effect of Valleybridge Deck Slabs Reinforced with Prestressed Concrete Beams-Application in Valleybridges of Metsovo", Proc. of 3rd Interscientific Interuniversity Conference "The Integrated Development in Highland Regions-Theory and Practice", Μetsovo, Greece, June 7-10, pp.854-874.
[24]  Sapountzakis E.J. and Mokos V.G., (2001) "Nonuniform Torsion of Composite Bars by the Boundary Element Method", Proc. of the 2nd European Conference on Computational Mechaniccs, Cracow, Poland, June 26-29, pp.188.
[25]  Katsikadelis J.T. and Sapountzakis E.J. (2001) "A Realistic Estimation of the Effective Breadth of Ribbed Plates", Proc. of the 6th National Congress on Mechanics, Thessaloniki, Greece, July 19-21, Volume I, pp.222-227.36
[26]  Sapountzakis E.J. and Katsikadelis J.T. (2001) "Optimised Model of Slab and Beam Structures", Proc. of the 1st ALBERT CAQUOT International Conference, Paris-CNIT, France, October 3-5, pp.55-56.
[27]  Sapountzakis E.J. and Exarchopoulos D.N. (2001) "Simplified Nonlinear Seismic Analysis of Bridges", Proc. of the 2nd National Congress on Earthquake Engineering and Τechnical Seismology, Thessaloniki, Greece, November 28-30, pp.607-616.
[28]  Sapountzakis E.J. and Katsikadelis J.T. (2002) "Interface Forces in Composite Steel-Concrete Structures with Deformable Connection" Proc. of the 4th National Congress on Steel Structures, Patras, Greece, May 24-25, pp.412-420.
[29]  Sapountzakis E.J. and Mokos V.G. (2002) "Warping Shear Stresses in Nonuniform Torsion of Bars" Proc. of the 4th GRACM Congress on Computational Mechanis, Patras, Greece, June 27-29, pp.93.
[30]  Sapountzakis E.J. and Mokos V.G. (2002) "Warping Shear Stresses in Nonuniform Torsion of Composite Bars" Proc. of the 5th World Cogress on Computational Mechanics, Austria, Vienna, July 7-12, pp.II-49.
[31]  Sapountzakis E.J. and Exarchopoulos D.N. (2002) "A Displacement Method Approach to Define the Behaviour Factor in Bridge Seismic Analysis" Proc. of the 12th European Conference on Earthquake Engineering, U.K., London, September 9-13.
[32]  Sapountzakis E.J. and Mokos V.G. (2003) "Warping Shear Stresses in Nonuniform Torsion in Bridge Decks of Materials in Contact by BEM" Proc. of the 2nd MIT Conference on Computational Fluid and Solid Mechanics, Massachusetts Institute of Technology, Cambridge, USA, June 17-20, Vol.1, pp.623-627.
[33]  Sapountzakis E.J. and Mokos V.G. (2003) "Nonuniform Torsion of Bars of Variable Thickness" Proc. of the Second International Structural Engineering and Construction Conference, Rome, Italy, September 23-26, Balkema Publishers, Vol.1, pp.583-588.
[34]  Sapountzakis E.J. and Mokos V.G. (2003) "Nonuniform Torsion of Composite Bars of Variable Thickness by BEM" Advances in Computational & Experimental Engineering & Sciences, Ch.6, Composite Material Modelling, Proc. of the International Conference on Computational & Experimental Engineering & Sciences, Corfu Island, Greece, July 25-29.
[35]  Sapountzakis E.J. (2003) "Dynamic Analysis of Composite Steel-Concrete Structures with Deformable Connection" Proc. of the 20th International Conference "Steel Structures and Bridges 2003", Czech Republic, Prague, September 17-20, pp.349-354.
[36]  Sapountzakis E.J. (2004) "Torsional Vibrations of Composite Bars by BEM" Proc. of the 7th National Congress on Mechanics, HSTAM2004, Chania, Crete, Greece, June 24-26, Vol.I, pp.263-268.
[37]  Sapountzakis E.J. and Mokos V.G. (2004) "3-D Beam Element of Variable Composite Cross Section Including Warping Effect" Proc. of the European 37 Congress on Computational Methods in Applied Sciences and Engineering, ECCOMAS 2004, Jyvaskyla, Finland, 24-28 July, Vol.I, pp.36.
[38]  Sapountzakis E.J. and Mokos V.G. (2004) "A BEM Solution to Transverse Shear Loading of Beams" Proc. of the 21st International Congress of Theoretical and Applied Mechanics, ICTAM 2004, Warsaw, Poland, 15-21 August, pp.199.
[39]  Sapountzakis E.J. (2004) "Torsional Vibrations of Composite Bars of Variable Thickness by BEM" Proc. of the International Conference on Noise and Vibration Engineering, ISMA 2004, Leuven, Belgium, 20-22 September, pp.903-918.
[40]  Sapountzakis E.J. and Koroneou A.D. (2004), "Static and Dynamic Analysis of Slab-and-Beam Structures with Deformable Connection-Application in Valleybridges of Metsovo and in Metsovitikos River Bridge", Proc. of 4th Interscientific Interuniversity Conference, "The Integrated Development of Epirus", Μetsovo, Greece, Spring, pp.567-594.
[41]  Sapountzakis E.J. and Tsiatas G.C. (2005) "Flexural Buckling Analysis of Composite Beams of Variable Cross-Section by BEM", Proc. of the Coupled Problems 2005, Computational Methods for Coupled Problems in Science and Engineering, Santorini, Greece, 25-28 May, pp.199.
[42]  Sapountzakis E.J., Mokos V.G. and Koroneou A.D. (2005) "Dynamic Analysis of Beams Including Warping and Shear Deformation Effects-Application in Bridge Deck Analysis", Proc. of the Fifth International Conference on Earthquake Resistant Engineering Structures ERES 2005, Skiathos, Greece, 30 May-1 June, pp.355-364.
[43]  Sapountzakis E.J. and Mokos V.G. (2005) "3-D Beam Element of Composite Cross Section Including Warping and Shear Deformation Effects", Proc. of the 5th International Conference on Computation of Shell and Spatial Structures IASS/IACM 2005, Saltzburg, Austria, June 1-4, pp.130.
[44]  Mokos V.G. and Sapountzakis E.J. (2005) "A BEM Solution to Transverse Shear Stresses in Composite Steel-Concrete Beams", Proc. of the Eurosteel Conference on Steel and Composite Structures, Maastricht, The Netherlands, June 8-10, 4.3, pp.67-74.
[45]  Sapountzakis E.J. and Tsiatas G.C. (2005) "Flexural-Torsional Buckling Analysis of Beams by BEM", Proc. of the 5th GRACM International Congress on Computational Mechanics, Limassol, Cyprus, 29 June-1 July, pp.787-794.
[46]  Mokos V.G. and Sapountzakis E.J. (2005) "Shear Deformation Coefficients in Composite Beams by BEM", Proc. of the 5th GRACM International Congress on Computational Mechanics, Limassol, Cyprus, 29 June-1 July, pp.135-142.
[47]  Sapountzakis E.J. and Tsiatas G.C. (2005) "Flexural-Torsional Vibrations of Beams by BEM", Proc. of the Tenth International Conference on Civil, Structural and Environmental Engineering Computing, Rome, Italy, 30 August-2 September, pp.259-260.38
[48]  Sapountzakis E.J. and Mokos V.G. (2005) "Reliability of Thin Tube Theory Relatively with the Exact Torsion Theory", Proc. of the 5th National Congress on Steel Structures, Xanthi, Greece, 29 September-2 October, Vol.II, pp.116-123.
[49]  Sapountzakis E.J. and Mokos V.G. (2006) "Shear Deformation Effect in Nonlinear Analysis of Spatial Beams Subjected to Variable Axial Loading by BEM", Proc. of the 28th World Conference on Boundary Elements and other Mesh Reduction Methods, Skiathos, 10-12 May, pp.101-110.
[50]  Sapountzakis E.J. and Mokos V.G. (2006) "Influence of the Interface Forces to the Analysis of Beam Stiffened Plates", Proc. of the 2006 IASME/WSEAS International Conference on Continuum Mechanics (CM'06), Chalkida, Evia Island, 11-13 May, pp.151-165.
[51]  Sapountzakis E.J. and Protonotariou V.M. (2006) "A Displacement Solution to Transverse Shear Loading of Beams by BEM", Proc. of the III European Conference on Computational Mechanics-Solids, Structures and Coupled Problems in Engineering, Lisbon, Portugal, 5–8 June, pp.215.
[52]  Sapountzakis E.J. (2006) "Shear Deformation Effect in Nonlinear Analysis of Spatial Composite Beams Subjected in Variable Axial Loading by BEM", Proc. of the III European Conference on Computational Mechanics-Solids, Structures and Coupled Problems in Engineering, Lisbon, Portugal, 5–8 June, pp.248.
[53]  Sapountzakis E.J. and Mokos V.G. (2006) "Shear Deformation Effect in Second-Order Analysis of Frames Subjected in Variable Axial Loading by BEM", Proc. of the International Association for Boundary Element Methods IABEM 2006 Conference, Graz, Austria, 10-12 July, pp.131-134.
[54]  Sapountzakis E.J. and Tsiatas G.C. (2006) "Flexural-Torsional Buckling and Vibration Analysis of Composite Beams", Proc. of the International Association for Boundary Element Methods IABEM 2006 Conference, Graz, Austria, 10-12 July, pp.263-266.
[55]  Sapountzakis E.J. and Mokos V.G. (2006) "Shear Deformation Effect in Second-Order Analysis of Composite Frames Subjected in Variable Axial Loading by BEM", Proc. of the International Conference on Boundary Element Techniques, Paris, France, 4-6 September, pp.287-288.
[56]  Sapountzakis E.J. and Mokos V.G. (2006) "Dynamic Analysis of 3-D Composite Beam Elements Including Warping and Shear Deformation Effects", Proc. of the 8th International Conference on Computational Structures Technology, CCST06, Las Palmas de Gran Canaria, Spain, 12-15 September, pp.61-62.
[57]  Sapountzakis E.J. and Mokos V.G. (2006) "Analysis of Plates Stiffened by Arbitrarily Placed Parallel Beams", Proc. of the 8th International Conference on Computational Structures Technology, CCST06, Las Palmas de Gran Canaria, Spain, 12-15 September, pp.29-30.
[58]  Sapountzakis E.J. and Mokos V.G. (2006) "Warping and Shear Deformation Effect in 3-D Beam Element with Application to Spatial Structures", Proc. of 39 the 15th Concrete Conference, Alexandroupoli, Greece, 25-27 October, Vol. D', pp.90-104.
[59]  Sapountzakis E.J. and Mokos V.G. (2007) "Dynamic Analysis of Plates Stiffened by Parallel Beams", Proc. of the Sixth International Conference on Earthquake Resistant Engineering Structures ERES, Bologna, Italy, 11-13 June, pp.443-452.
[60]  Sapountzakis E.J. and Mokos V.G. (2007) "Dynamic Analysis of Plates Stiffened by Parallel Beams with Deformable Connection", Proc. of the Computational Methods in Structural Dynamics and Earthquake Engineering, COMPDYN 2007, Rethymno, Crete, Greece, 13-15 June, pp.221.
[61]  Sapountzakis E.J. and Dourakopoulos J.A. (2007) "Shear Deformation Effect in Flexural-Torsional Vibrations of Beams by BEM", Proc. of the Computational Methods in Structural Dynamics and Earthquake Engineering, COMPDYN 2007, Rethymno, Crete, Greece, 13-15 June, pp.217.
[62]  Sapountzakis E., Gantes C. and Tsiatas G. (2007) "Flexural-Torsional Buckling and Vibration Analysis of Homogeneous or Composite Constant or Variable Cross Section Beams", Proc. of the PITHAGORAS Conference for the Scientific Research in National Technical University of Athens, Plomari, Lesvos, Greece, 5-8 July, pp.117-124.
[63]  Sapountzakis E.J. and Panagos D.G. (2007) "Nonlinear Analysis of Beams of Variable Cross Section Including Shear Deformation Effect", Proc. of the 8th HSTAM International Congress on Mechanics, Patras, Greece, 12-14 July, pp.377-384.
[64]  Sapountzakis E.J. and Tsipiras V.J. (2007) "Nonlinear Inelastic Uniform Torsion of Bars by BEM", Proc. of the 8th HSTAM International Congress on Mechanics, Patras, Greece, 12-14 July, pp.145-152.
[65]  Sapountzakis E.J. and Mokos V.G. (2007) "Analysis of Plates Stiffened by Parallel Beams with Deformable Connection Using BEM", Proc. of the 8th International Conference on Boundary Element Techniques, Naples, Italy, 24-26 July, pp.155-160.
[66]  Sapountzakis E.J. and Dourakopoulos J.A. (2007) "Shear Deformation Effect in Flexural-Torsional Buckling Analysis of Composite Beams by BEM", Proc. of the 6th German-Greek-Polish Symposium "Recent Advances in Mechanics", Alexandroupolis, Greece, 17-21 September, pp.113-114.
[67]  Sapountzakis E.J. and Dourakopoulos J.A. (2007) "Shear Deformation Effect in Flexural-Torsional Buckling Analysis of Beams Using the Boundary Element Method", Proc. of the 11th International Conference on Civil, Structural and Environmental Engineering Computing, St. Julians, Malta, 18-21 September, paper 103, pp.1-20.
[68]  Sapountzakis E.J. and Panagos D.G. (2008) "Shear Deformation Effect in Nonlinear Analysis of Composite Beams of Variable Cross Section", Proc. of the 6th GRACM International Congress on Computational Mechanics, Thessaloniki, Greece, 19-21 June, paper 1206, pp.28.
[69]  Sapountzakis E.J. and Tsipiras V.J. (2008) "Nonlinear Inelastic Uniform Torsion of Composite Bars by BEM", Proc. of the 6th GRACM International 40 Congress on Computational Mechanics, Thessaloniki, Greece, 19-21 June, paper 1207, pp.29.
[70]  Sapountzakis E.J. and Tsipiras V.J. (2008) "Effect of Axial Restraint in Composite Bars under Nonlinear Inelastic Uniform Torsion by BEM", Proc. of the 8th World Conference on Computational Mechanics (WCCM8) and 5th European Congress on Computational Methods in Applied Sciences and Engrg (ECCOMAS 2008), Venice, Italy, 30 June-04 July, paper 397, pp.223.
[71]  Sapountzakis E.J. and Mokos V.G. (2008) "Shear Deformation Effect in Plates Stiffened by Parallel Beams Using BEM", Proc. of the 9th International Conference on Boundary Element Techniques, Seville, Spain, 9-11 July, pp.215-222.
[72]  Sapountzakis E.J. and Dourakopoulos J.A. (2008) "The Shear Deformation Effect in the Flexural-Torsional Vibration of Composite Beams Using the Boundary Element Method", Proc. of the Ninth International Conference on Computational Structures Technology, Athens, Greece, 02-05 September, paper27.
[73]  Sapountzakis E.J. and Tsipiras V.J. (2008) "Nonlinear Elastic Nonuniform Torsion of Bars of Arbitrary Cross Section Using the Boundary Element Method", Proc. of the Ninth International Conference on Computational Structures Technology, Athens, Greece, 02-05 September, paper145.
[74]  Sapountzakis E.J. and Mokos V.G. (2008) "An Improved Model for the Analysis of Composite Steel-Concrete Slab-and-Beam Structures", Proc. of the 5th European Conference on Steel and Composite Structures EUROSTEEL 2008, Graz, Austria, 03-05 September, pp.231-236.
[75]  Sapountzakis E.J. and Tsipiras V.J. (2008) "Reliability of the Thin Tube Theory in Bars under Nonlinear Inelastic Uniform Torsion", Proc. of the 6th National Congress on Steel Structures, Ioannina, Greece, 02-04 October, volume II, pp.451-458.
[76]  Sapountzakis E.J., Mokos V.G. and Koroneou A.D. (2008) "Earthquake Analysis of Slab-and-Beam Bridge Deck Structures", Proc. of the 3rd Hellenic Conference on Earthquake Engineering and Engineering Seismology, Athens, 05-07 November, paper1772, pp.255.
[77]  Sapountzakis E.J. and Mokos V.G. (2009) "Shear Deformation Effect in the Dynamic Analysis of Plates Stiffened by Parallel Beams", Proc. of the Seventh International Conference on Earthquake Resistant Engineering Structures-ERES09, Limassol, Cyprus, 11-13 May, pp.357-366.
[78]  Sapountzakis E.J. and Dourakopoulos J.A. (2009) "Nonlinear Dynamic Analysis of Timoshenko Beams", Proc. of the Computational Methods in Structural Dynamics and Earthquake Engineering-COMPDYN 2009, Island of Rhodes, Greece, 22-24 June, paperCD142, pp.33.
[79]  Sapountzakis E.J. and Tsipiras V.J. (2009) "Nonlinear Nonuniform Torsional Vibrations of Bars by BEM", Proc. of the Computational Methods in Structural Dynamics and Earthquake Engineering-COMPDYN 2009, Island of Rhodes, Greece, 22-24 June, paperCD143, pp.27. 41
[80]  Sapountzakis E.J. and Dourakopoulos J.A. (2009) "Flexural-Torsional Postbuckling Analysis of Beams of Arbitrary Cross Section", Proc. of the 2nd South-East European Conference on Computational Mechanics-SEECCM 2009, Island of Rhodes, Greece, 22-24 June, paperSE129, pp.140.
[81]  Sapountzakis E.J. and Tsipiras V.J. (2009) "Composite Bars of Arbitrary Cross Section in Nonlinear Elastic Nonuniform Torsion by BEM", Proc. of the 2nd South-East European Conference on Computational Mechanics-SEECCM 2009, Island of Rhodes, Greece, 22-24 June, paperSE128, pp.132.
[82]  Sapountzakis E.J. and Kampitsis A.E. (2009) "Nonlinear Dynamic Analysis of Timoshenko Beam-Columns Partially Supported on Elastic Foundation", Proc. of the International Conference on Computational Modelling and Advanced Simulations, Bratislava, Slovakia, 30 June-03 July, paper50, pp.105.
[83]  Sapountzakis E.J. and Dourakopoulos J.A. (2009) "Flexural-Torsional Nonlinear Analysis of Timoshenko Beams of Arbitrary Cross Section by BEM", Proc. of the 10th International Conference on Boundary Element Techniques-BETEQ 2009, Athens, Greece, 22-24 July, pp.99-109.
[84]  Sapountzakis E.J. and Tsipiras V.J. (2009) "Warping Shear Stresses in Nonlinear Nonuniform Torsional Vibrations of Bars by BEM", Proc. of the 10th International Conference on Boundary Element Techniques-BETEQ 2009, Athens, Greece, 22-24 July, pp.69-79.
[85]  Sapountzakis E.J. and Mokos V.G. (2009) "Secondary Torsional Moment Deformation Effect by BEM", Proc. of the 10th International Conference on Boundary Element Techniques-BETEQ 2009, Athens, Greece, 22-24 July, pp.81-88.
[86]  Sapountzakis E.J. and Dourakopoulos J.A. (2009) "Lateral Buckling Analysis of Beams of Arbitrary Cross Section by BEM", Proc. of the 10th International Conference on Boundary Element Techniques-BETEQ 2009, Athens, Greece, 22-24 July, pp.89-98.
[87]  Sapountzakis E.J. and Mokos V.G. (2009) "Buckling Analysis of Plates Stiffened by Parallel Beams", Proc. of the Twelfth International Conference on Civil, Structural and Environmental Engineering Computing CC2009, Funchal, Madeira Island, Portugal, 01-04 September, paper35.
[88]  Sapountzakis E.J. and Mokos V.G. (2009) "A Displacement Solution for Transverse Shear Loading of Composite Beams Using the Boundary Element Method", Proc. of the Twelfth International Conference on Civil, Structural and Environmental Engineering Computing CC2009, Funchal, Madeira Island, Portugal, 01-04 September, paper208.
[89]  Sapountzakis E.J. and Kampitsis A.E. (2009) "Nonlinear Dynamic Analysis of Partially Supported Beam-Columns on Nonlinear Elastic Foundation Including Shear Deformation Effect", Proc. of the 3rd Greek-Japan Workshop "Seismic Design, Observation, Retrofit of Foundations", Gazetas G., Goto Y. and Tazoh T. (eds.), Santorini, Greece, 22-23 September, pp.302-329.
[90]  Sapountzakis E.J., Mokos V.G. and Koroneou A.D. (2009) "Influence of Creep and Shrinkage Effects in the Analysis of Reinforced Concrete Slab-and42 Beam Bridge Deck Structures", Proc. of the 16th Concrete Conference, Pafos, Cyprus, 21-23 October, paper 260800, pp.1-12.
[91]  Sapountzakis E.J. and Kampitsis A.E. (2010) "Nonlinear Dynamic Analysis of Shear Deformable Beam-Columns on Nonlinear Two-Parameter Viscoelastic Foundation", Proc. of the IV European Conference on Computational Mechanics-ECCM 2010, Paris, France, 16-21 May, paper 47.
[92]  Sapountzakis E.J. and Dikaros I.C. (2010) "Nonlinear Flexural-Torsional Dynamic Analysis of Beams of Arbitrary Cross Section by BEM", Proc. of the 9th HSTAM International Congress on Mechanics, Limassol, Cyprus, 12-14 July, pp.319-327.
[93]  Sapountzakis E.J. and Kampitsis A.E. (2010) "Nonlinear Analysis of Shear Deformable Beam-Columns Partially Supported on Tensionless Winkler Foundation", Proc. of the 11th International Conference on Boundary Element Techniques-BETEQ 2010, Berlin, Germany, 12-14 July, pp.398-405.
[94]  Sapountzakis E.J. and Tsipiras V.J. (2010) "Nonlinear Nonuniform Torsional Vibrations of Shear Deformable Bars-Application to Torsional Postbuckling Configurations", Proc. of the 11th International Conference on Boundary Element Techniques-BETEQ 2010, Berlin, Germany, 12-14 July, pp.482-489.
[95]  Sapountzakis E.J. and Kampitsis A.E. (2010) "Nonlinear Analysis of Timoshenko Beams on a Tensionless Three-Parameter Foundation", Proc. of the Tenth International Conference on Computational Structures Technology CST2010, Valencia, Spain, 14-17 September, paper297.
[96]  Sapountzakis E.J. and Tsipiras V.J. (2010) "Inelastic Nonuniform Torsion of Bars Using the Boundary Element Method", Proc. of the Tenth International Conference on Computational Structures Technology CST2010, Valencia, Spain, 14-17 September, paper294.
[97]  Sapountzakis E.J., Kampitsis A.E. and Koroneou A.D. (2010), "Nonlinear Dynamic Analysis of Beam-Columns of Bridge Piers-Application in Valleybridges of Metsovo and in Metsovitikos River Bridge", Proc. of 6th Interscientific Interuniversity Conference, "The Integrated Development of Highland Areas", Μetsovo, Greece, 16-19 September.
[98]  Sapountzakis E.J. and Dikaros I.C. (2011) "Nonlinear Effects in Flexural-Torsional Vibrations of Beams of Arbitrary Cross Section", Proc. of the 3rd International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering-COMPDYN 2011, Corfu, Greece, 25-28 May, paper084.
[99]  Sapountzakis E.J. and Kampitsis A.E. (2011) "Shear Deformable Beams on Nonlinear Viscoelastic Foundation under Moving Loading", Proc. of the IV International Conference on Computational Methods for Coupled Problems in Science and Engineering-COUPLED PROBLEMS 2011, Kos Island, Greece, 20-22 June.
[100]  Dourakopoulos J.A. and Sapountzakis E.J. (2011) "A Beam Element for Postbuckling Analysis Using BEM", Proc. of the 7th GRACM International Congress on Computational Mechanics, Athens, Greece, 30 June-2 July.
[101]  Sapountzakis E.J. and Dikaros I.C. (2011) "Large Deflection Analysis of Plates Stiffened by Parallel Beams", Proc. of the 12h International Conference on Boundary Element and Meshless Techniques, Brasilia, Brazil, 13-15 July.
[102]  Tsipiras V.J. and Sapountzakis E.J. (2011) "Secondary Torsional Moment Deformation Effect in Inelastic Nonuniform Torsion of Bars by BEM", Proc. of the IABEM 2011 Symposium of the International Association for Boundary Element Methods, Brescia, Italy, 05-08 September.
[103]  Sapountzakis E.J. and Kampitsis A.E. (2011) "Nonlinear Inelastic Analysis of Beams on Nonlinear Foundation", Proc. of the Thirteenth International Conference on Civil, Structural and Environmental Engineering Computing CC2011, Chania, Crete, Greece, 06-09 September.
[104]  Mokos V.G. and Sapountzakis E.J. (2011) "3-D Beam Element Including Torsional Warping and Shear Deformation Effects due to Shear Forces and Secondary Torsional Moment", Proc. of the Thirteenth International Conference on Civil, Structural and Environmental Engineering Computing CC2011, Chania, Crete, Greece, 06-09 September.
[105]  Sapountzakis E.J. and Kampitsis A.E. (2011) "Nonlinear Vibrations of Piles in Viscoelastic Foundation", Proc. of the Eighth International Conference on Earthquake Resistant Engineering Structures, ERES2011, Chianciano Terme, Italy, 07-09 September.
[106]  Sapountzakis E.J., Tsipiras V.J. and Mokos V.G. (2011) "Secondary Torsional Moment Deformation Effect in the Analysis of Bars of Arbitrary Cross Section", Proc. of the 7th National Congress on Steel Structures, Volos, Greece, 29 September-01 October.
[107]  Mokos V.G. and Sapountzakis E.J. (2011) "Torsional and Shear Warping in 3-D Beam Element Including Secondary Torsional Moment-Application in the Analysis of Steel Structures", Proc. of the 7th National Congress on Steel Structures, Volos, Greece, 29 September-01 October.

Publications: Books/Book Chapters

[1]  Sapountzakis E.J. and Mokos V.G. (2008) "Dynamic Analysis of Plates Stiffened by Parallel Beams with Deformable Connection", Computational Structural Dynamics and Earthquake Engineering, Papadrakakis M., Charmpis D.C., Lagaros N.D. and Tsompanakis Y. (eds.), CRC Press, Taylor & Francis Group/Balkema Publishers, Chapter 8, pp.123-136, ISBN 978-0-415-45261-8.
[2]  Sapountzakis E.J. and Tsipiras V.J. (2009) "A BEM Solution to the Nonlinear Inelastic Uniform Torsion Problem of Composite Bars", Recent Advances in Boundary Element Methods, A Volume to Honor Professor Dimitri Beskos, Manolis G. and Polyzos D. (eds.), Springer-Verlag, Chapter 26, pp.399-414, ISBN 978-1-4020-9709-6.
[3]  Sapountzakis E.J. (2009) "Recent Advances in the Static Analysis of Stiffened Plates-Application to Concrete or to Composite Steel-Concrete Structures", Computational Mechanics Research Trends, Berger Hans (ed.), Nova Science Publishers, Series: Computer Science, Technology and Applications, Chapter 3, ISBN 978-1-60876-057-2.
[4]  Sapountzakis E.J. and Tsipiras V.J. (2010) "Nonlinear Nonuniform Torsional Vibrations of Shear Deformable Bars-Application to Torsional Postbuckling Configurations and Primary Resonance Excitations", Recent Developments in Boundary Element Methods, A Volume to Honor Professor John T. Katsikadelis, Sapountzakis E. (ed.), WIT Press, Chapter 13, pp.171-184, ISBN 978-1-84564-492-5.
[5]  Sapountzakis E.J. and Kampitsis A.E. (2011) "Nonlinear Dynamic Analysis of Partially Supported Beam-Columns on Nonlinear Elastic Foundation Including Shear Deformation Effect", Computational Modelling and Advanced Simulations, Murin J., Kompi? V. and Kuti? V. (eds.), Springer, Computational Methods in Applied Sciences series, Chapter 1, pp.1-32, ISBN 978-94-007-0316-2.
[6]  Sapountzakis E.J. and Dourakopoulos J.A. (2011) "Nonlinear Dynamic Analysis of Timoshenko Beams", Computational Methods in Earthquake Engineering, Papadrakakis M., Fragiadakis M. and Lagaros N.D. (eds.), Springer, Computational Methods in Applied Sciences series, Chapter 17, pp.377-400, ISBN 978-94-007-0052-9.
[7]  Sapountzakis E.J. (2011) "Recent Developments in the Analysis of Stiffened Plates", Computational Technology Reviews, Saxe-Coburg Publications, in print.