**Refereed**** Journals**

- M. Papadrakakis, V. Papadopoulos and N.D. Lagaros, “Structural reliability analysis of elastic-plastic structures using neural networks and Monte Carlo simulation”, Comput. Methods Appl. Mech. Engrg., Vol. 136, pp 145-163, 1996. (IF 2006: 2.015)
- M. Papadrakakis, N.D. Lagaros, G. Thierauf and J. Cai, “Advanced solution methods in structural optimization based on evolution strategies”, Journal of Engineering Computations, Vol. 15(1), pp 12-34, 1998. (IF 2006: 0.705)
- M. Papadrakakis, N.D. Lagaros and Y. Tsompanakis, “Structural optimization using evolution strategies and neural networks”, Comput. Methods Appl. Mech. Engrg., Vol. 156, pp 309-333, 1998. (IF 2006: 2.015)
- M. Papadrakakis, N.D. Lagaros and Y. Tsompanakis, “Optimization of large-scale 3D trusses using evolution strategies and neural networks”, Special Issue of the International Journal of Space Structures, Vol. 14(3), pp. 211-223, 1999.
- M. Papadrakakis, Y. Tsompanakis N.D. Lagaros, "Structural shape optimization using Evolution Strategies", Engineering Optimization Journal, Vol. 31, pp 515-540, 1999. (IF 2007: 0.571)
- M. Papadrakakis, N.D. Lagaros and V. Plevris, “Optimum design of space frames under seismic loading”, International Journal of Structural Stability and Dynamics, Vol. 1, No. 1, pp 105-124, 2001. (IF 2007: 0.379)
- M. Papadrakakis, N.D. Lagaros, Y. Tsompanakis and V. Plevris, “Large scale structural optimization: Computational methods and optimization algorithms”, Archives of Computational Methods in Engineering (State of the art reviews), Vol. 8, No. 3, pp 239-301, 2001. (IF 2007: 1.278)
- N.D. Lagaros, M. Papadrakakis and G. Kokossalakis, “Structural optimization using evolutionary algorithms”, Computers & Structures, Vol. 80, No 7-8, pp 571-587, 2002. (IF 2007: 0.934)
- M. Papadrakakis and N.D. Lagaros, “Reliability-based structural optimization using neural networks and Monte Carlo simulation”, Comput. Methods Appl. Mech. Engrg., Vol. 191(32), pp 3491-3507, 2002. (IF 2006: 2.015)
- N.D. Lagaros and M. Papadrakakis, “Learning improvement of neural networks used in structural optimization”, Advances in Engineering Software, Vol. 35(1), pp. 9-25, 2004. (IF 2007: 0.529)
- M. Papadrakakis, N.D. Lagaros and V. Plevris, “Multi-objective optimization of space structures under static and seismic loading conditions”, Engineering Optimization Journal, Vol. 34, pp 645-669, 2002. (IF 2007: 0.571)
- M. Papadrakakis, N.D. Lagaros and Y. Fragakis, “Parallel computational strategies for structural optimization”, International Journal for Numerical Methods in Engineering, Vol. 58(9), pp. 1347-1380, 2003. (IF 2007: 1.612)
- N.D. Lagaros, M. Fragiadakis and M. Papadrakakis, “Optimum design of shell structures with stiffening beams”, AIAA Journal, Vol. 42, No 1, pp. 175-184, 2004. (IF 2007: 0.988)
- M. Papadrakakis and N.D. Lagaros, “Soft computing methodologies for structural optimization”, Applied Soft Computing, Vol. 3(3), pp. 283-300, 2003. (IF 2007: 1.537)
- N.D. Lagaros, D.C. Charmpis and M. Papadrakakis “An adaptive neural network strategy for improving the computational performance of evolutionary structural optimization”, Comput. Methods Appl. Mech. Engrg., Vol. 194(30-33), pp. 3374-3393, 2005. (IF 2006: 2.015)
- M. Papadrakakis, Y. Tsompanakis, N.D. Lagaros and M. Fragiadakis “Reliability based optimization of steel frames under seismic loading conditions using evolutionary computation”, Special Issue of the Journal of Theoretical and Applied Mechanics on Computational Intelligence in Mechanics, Vol. 42, No 3, pp. 585-608, 2004.
- N.D. Lagaros, M. Papadrakakis and N. Bakas “Automatic minimization of the rigidity eccentricity of 3D reinforced concrete buildings”, J. Earth. Engrg., Vol. 10, No. 4, pp. 533-564, 2006. (IF 2006: 0.798)
- N.D. Lagaros, G. Stefanou and M. Papadrakakis “An enhanced hybrid method for the simulation of highly skewed non-Gaussian stochastic fields”, Comput. Methods Appl. Mech. Engrg., Vol. 194(45-47), pp. 4824-4844, 2005. (IF 2006: 2.015)
- D.C. Charmpis, N.D. Lagaros and M. Papadrakakis “Multi-database exploration of large design spaces in the framework of cascade evolutionary structural sizing optimization”, Comput. Methods Appl. Mech. Engrg., Vol. 194(30-33), pp. 3315-3330, 2005. (IF 2006: 2.015)
- M. Fragiadakis, N.D. Lagaros and M. Papadrakakis “Performance-based optimum design of steel structures considering life cycle cost”, Str. Mult. Opt., Vol. 32, No. 1, pp. 1-11, 2006. (IF 2006: 1.019)
- N.D. Lagaros, V. Plevris and M. Papadrakakis, “Multi-objective design optimization using cascade evolutionary computations”, Comput. Methods Appl. Mech. Engrg., Vol 194(30-33), pp. 3496-3515, 2005. (IF 2006: 2.015)
- M. Papadrakakis, N.D. Lagaros and V. Plevris, “Design optimization of steel structures considering uncertainties”, J. of Engrg. Str., Vol 27, pp. 1408-1418, 2005. (IF 2007: 0.986)
- M. Fragiadakis, N.D. Lagaros and M. Papadrakakis, “Performance based earthquake engineering using structural optimization tools”, International Journal of Reliability and Safety, Vol. 1, No 1/2, pp. 59-76, 2006.
- N.D. Lagaros, V. Plevris, M. Papadrakakis, “Neurocomputing strategies for solving reliability-robust design optimization problems”, Engineering Computations, Vol. 27, Νο 7, pp. 819-840, 2010.
- M. Papadrakakis, N.D. Lagaros and V. Plevris, “Structural optimization considering the probabilistic system response”, Theor. Applied Mech., Vol. 31, No. 3-4, pp. 361-394, Belgrade 2004.
- M. Papadrakakis, V. Papadopoulos, N.D. Lagaros, J. Oliver, A.E. Huespe and P. Sánchez, “Vulnerability analysis of large concrete dams using the continuum strong discontinuity approach and neural networks”, Journal of Structural Safety, Vol. 30, No 3, pp. 217-235, 2008. (IF 2006: 1.250)
- N.D. Lagaros, M. Fragiadakis, M. Papadrakakis and Y. Tsompanakis, “Structural optimization: a tool for evaluating seismic design procedures”, J. of Engrg. Str., Vol. 28, No 12, pp. 1623-1633, 2006. (IF 2007: 0.986)
- N.D. Lagaros and V. Papadopoulos, “Optimum design of shell structures with random geometric, material and thickness imperfections”, International Journal of Solids and Structures, Vol. 43, No 22-23, pp. 6948-6964, 2006. (IF 2007: 1.569)
- N.D. Lagaros, L.D. Psarras, M. Papadrakakis and Y. Panagiotou, “Optimum design of steel structures with web openings”, J. of Engrg. Str., 30, 2528-2537, 2008. (IF 2007: 0.986)
- N.D. Lagaros, A.D. Fotis, S.A. Krikos, “Assessment of seismic design procedures based on the total cost”, Earthquake Engineering and Structural Dynamics, Vol. 35, Issue 11, Date: September 2006, Pages: 1381-1401. (IF 2006: 1.050)
- Y., Tsompanakis, N.D. Lagaros, G.E. Stavroulakis, “Soft computing techniques in parameter identification and probabilistic seismic analysis of structures”, Advances in Engineering Software, Vol. 39, Pages 612-624, 2008. (IF 2006: 0.431)
- N.D. Lagaros, M.A. Geraki, “The effect of construction practices on the seismic performance of RC frames with masonry infills”, Structural Engineering and Mechanics, An International Journal, Volume 28, Issue 1, Pages 69-88, 2008.
- N.D. Lagaros, “Life-cycle cost analysis of construction practices”, Bulletin of Earthquake Engineering, Vol. 5, pp. 425-442, 2007. (IF 2007: 1.125)
- N.D. Lagaros, M. Papadrakakis, “Robust seismic design optimization of steel structures”, Struct Multidisc Optim, Vol. 33, pp. 457–469, 2007. (IF 2006: 1.019)
- N.D. Lagaros and M. Fragiadakis, “Robust performance based design optimization of steel moment resisting frames”, Journal Earthquake Engineering, Vol. 11, Issue 5, pp. 752-772, 2007. (IF 2006: 0.798)
- N.D. Lagaros, M. Fragiadakis, “Fragility assessment of steel frames using neural networks”, Earthquake Spectra, Volume 23, No. 4, pages 735–752, November 2007. (IF 2006: 1.120)
- N.D. Lagaros, N. Bakas, M. Papadrakakis “Optimum design approaches for improving the seismic performance of 3D RC buildings”, Journal Earthquake Engineering, Vol. 13, No. 3, pp. 345-363, 2009. (IF 2006: 0.798).
- Y. Tsompanakis, N.D. Lagaros, P.N. Psarropoulos, E.C. Georgopoulos, “Simulating the seismic response of embankments via artificial neural networks”, Advances in Engineering Software, Vol. 40, pp. 640–651, 2009.
- N.D. Lagaros, M. Papadrakakis, M. Fragiadakis, G. Stefanou, Y. Tsompanakis, “Neural network aided stochastic computations and earthquake engineering”, Computer Assisted Mechanics and Engineering Sciences (CAMES), 14(2):251-275, 2007.
- N.D. Lagaros, M. Papadrakakis “Seismic design of RC structures: a critical assessment in the framework of multi-objective optimization”, Earthquake Engineering and Structural Dynamics, Vol. 36, Issue 12, Date: 10 October 2007, Pages: 1623-1639. (IF 2006: 1.050)
- N.D. Lagaros “Multicomponent incremental dynamic analysis considering variable incident angle”, Journal of Structure and Infrastructure Engineering, Volume 6, Issue 1 & 2, pages 77 – 94, February 2010. (IF 2007: 0.442)
- N.D. Lagaros “Probabilistic fragility analysis: A tool for assessing design rules of RC buildings”, J. Earthquake Engineering and Engineering Vibration, Vol. 7, No. 1, Pages 45-56, 2008.
- N.D. Lagaros, V. Plevris, M. Papadrakakis, “Reliability based robust design optimization of steel structures”, International Journal for Simulation and Multidisciplinary Design Optimization, Vol. 1, Pages 1-19, 2007.
- N.D. Lagaros, A.Th. Garavelas, M. Papadrakakis, “Innovative seismic design optimization with reliability constraints”, Comput. Methods Appl. Mech. Engrg., Vol. 198(1): 28-41, 2008.
- V. Papadopoulos and N.D. Lagaros, “Vulnerability-based robust design optimization of imperfect shell structures”, Structural Safety, Volume 31, Issue 6, Pages 475-482, November 2009.
- N.D. Lagaros, I.A. Naziris, M. Papadrakakis, “The influence of masonry infill walls in the framework of the performance-based design”, Journal Earthquake Engineering, Vol. 14, Issue 1, Pages 57-79, 2010.
- V. Papadopoulos, N.D. Lagaros, “Performance-based optimum design of structures with vulnerability objectives”, International Journal of Reliability and Safety, Vol. 7, Issue 1, Pages 96-115, 2013.
- N.D. Lagaros, Y. Tsompanakis, P.N. Psarropoulos and E.C. Georgopoulos, “Computationally Efficient Seismic Fragility Analysis of Geostructures”, Computers & Structures, Vol. 87, Pages 1195-1203, 2009. (IF 2007: 0.934)
- Y. Tsompanakis, N.D. Lagaros, P.N. Psarropoulos and E.C. Georgopoulos, “Probabilistic seismic slope stability assessment of geostructures”, Journal of Structure and Infrastructure Engineering, Volume 6, Issue 1 & 2, pages 179 – 191, February 2010. (IF 2007: 0.442)
- Ch.Ch. Mitropoulou, N.D. Lagaros, M. Papadrakakis, “Building design based on energy dissipation: a critical assessment”, Bulletin of Earthquake Engineering, 8(6): 1375-1396, 2010.
- N.D. Lagaros “The impact of the earthquake incident angle on the seismic loss estimation”, Engineering Structures, Vol. 32, 1577-1589, 2010.
- V. Papadopoulos, D.G. Giovanis, N.D. Lagaros, M. Papadrakakis, “Accelerated subset simulation with neural networks for reliability analysis”, Comput. Methods Appl. Mech. Engrg., Vol. 223-224: 70-80, 2012.
- N.D. Lagaros, M. Papadrakakis, “Neural network based prediction schemes of the non-linear seismic response of 3D buildings”, Advances in Engineering Software, Volume 44, Issue 1, Pages 92-115, 2012.
- N.D. Lagaros, M. Fragiadakis, “Evaluation of ASCE-41, ATC-40 and N2 static pushover methods based on optimally designed buildings”. Soil Dynamic & Earthquake Engineering; 31(1):77-90, 2011.
- M. Fragiadakis, N.D. Lagaros, “An overview to structural seismic design optimisation frameworks”, Computers and Structures, Vol. 89(11-12), 1155-1165, 2011.
- Ch.Ch. Mitropoulou, N.D. Lagaros, M. Papadrakakis, “Life-cycle cost assessment of optimally designed reinforced concrete buildings under seismic actions”, Reliability Engineering and System Safety; Vol. 96, pp. 1311–1331, 2011.
- N.D. Lagaros, M. Papadrakakis, “Applied soft computing for optimum design of structures”, Structural and Multidisciplinary Optimization, Vol 45, pp. 787-799, 2012.
- N.D. Lagaros, M.G. Karlaftis, “A critical assessment of metaheuristics for scheduling emergency infrastructure inspections”, Swarm and Evolutionary Computation, Volume 1, Issue 3, Pages 147-163, 2011.
- N.D. Lagaros, E. Magoula, “Life-cycle cost assessment of mid-rise and high-rise steel and steel-reinforced concrete composite minimum cost building designs”, Structural Design of Tall and Special Buildings, 22(12): 954-974, 2013.
- N.D. Lagaros, Ch.Ch. Mitropoulou, “The effect of uncertainties in seismic loss estimation of steel and reinforced concrete composite buildings”, Structure and Infrastructure Engineering, 9(6): 546-566, 2013.
- N.D. Lagaros, “Risk assessment of steel and steel-concrete composite 3D buildings considering sources of uncertainty”, Earthquakes and Structures, Volume 6, Issue 1, pp 19-43, 2014.
- N.D. Lagaros, K. Kepaptsoglou, M.G. Karlaftis, “Fund allocation for civil infrastructure security upgrading”, Journal of Management in Engineering, ASCE, 29(2), 172-182, 2013.
- N.D. Lagaros, “Fuzzy fragility analysis of structures with masonry infill walls”, The Open Construction and Building Technology Journal, 6, (Suppl 1-M18) 291-305, 2012.
- Ch.Ch. Mitropoulou, N.D. Lagaros, M. Papadrakakis, “Numerical calibration of damage indices”, Advances in Engineering Software, Volume 70, pp 36-50, 2014.
- N.D. Lagaros, “An efficient dynamic load balancing algorithm”, Computational Mechanics, Volume 53, Issue 1, pp 59-76, 2014.
- Ch. Letsios, N.D. Lagaros, “Optimum design methodologies for pile foundations in London”, Case Studies in Structural Engineering, (to appear), 2014.
- N. Kallioras, N.D. Lagaros, M.G. Karlaftis, “An improved harmony search algorithm for emergency inspection scheduling”, Engineering Optimization, (to appear), 2014.
- G. Piliounis, N.D. Lagaros, “Reliability analysis of geostructures based on metaheuristic optimization”, Applied Soft Computing, Volume 22, pp. 544-565, 2014.
- N.D. Lagaros, “A general purpose real-world structural design optimization computing platform”, Structural and Multidisciplinary Optimization, Volume 49, pp 1047–1066, 2014.
- Ch.Ch. Mitropoulou, N.D. Lagaros, M. Papadrakakis, “Definition of the seismic excitation for loss assessment of structures”, Engineering Structures, (under review), 2013.
- M. Fragiadakis, D. Vamvatsikos, M.G. Karlaftis, N.D. Lagaros, M. Papadrakakis, “Seismic assessment of structures and lifelines”, Journal of Sound and Vibration, (to appear), 2014.
- Ch. Stathi, N.P. Bakas, N.D. Lagaros, M. Papadrakakis, “Ratio of Torsion: A new index for assessing torsional effect on structural behaviour”, Earthquakes and Structures, (under review), 2013.
- M. Paida, N.D. Lagaros, M.G. Karlaftis, “Stochastic life-cycle cost analysis of wind parks”, Renewable Energy, (under review), 2014.
- I.A. Naziris, N.D. Lagaros, K. Papaioannou, “Selection and Resource Allocation Model for Historic Buildings Fire Safety Upgrading”, Fire Safety, (under review), 2014.
- N. Kallioras, N.D. Lagaros, M.G. Karlaftis, P. Pachy, “Optimum layout design of onshore wind farms considering stochastic loading”, Engineering Optimization, (under review), 2014.