Songsak Suthasupradit, Sacharuck Pornpeerakeat, Kim Young-Hoe, Kim Ki-Du, “Nonlinear behaviour of Steel-Concrete pylon of cable stayed bridge using XFINAS contact element”, International Symposium on Steel Structures, (2006) 633-640
Songsak Suthasupradit, Sacharuck Pornpeerakeat, Kim Young-Hoe, Kim Ki-Du, “A 4-node Shell Element with Enhanced Assumed Strain and Assumed Natural Strain”, Conference of Korean Society of Civil Engineering, 2006
Kim Ki-Du, Byun Yun-Joo, Kim Hyun-Ky, Lomboy Gilson R., Suthasupradit Songsak, Kim Young-Hoe, “Development of quasi-conforming shell element for the three dimensional construction stage analysis of PSC bridge”, Journal of the Computational Structural Engineering Institute of Korea, 20 (2007) 329-338
Ki-Du Kim, Sung-Cheon Han, Songsak Suthasupradit, “Geometrically non-linear analysis of laminated composite structures using a 4-Node co-rotational shell element with enhanced strains”, Int. J. Non-Linear Mechanics, 42 (2007) 864-881
Ki-Du Kim, Songsak Suthasupradit, Y.J. Byun, Dinh Van Nguyen, Panot Chobsilprakob, “New development of XFINAS software for nonlinear dynamic & seismic analysis of structures”, Third Asian-Pacific Congress on Computational Mechanics (APCOM’07-EPMESC XI), 2007
Songsak Suthasupradit, Kim Young-Hoe, Sacharuck Pornpeerakeat, Kim Ki-Du, Byun Yun-Joo, “Large deformation elasto-plastic analysis of stiffened cylinder using 4-node EAS shell element”, Conference of Korean Society of Steel Construction, (2007) 1069-1072
Songsak Suthasupradit, Kim Young-Hoe, Sacharuck Pornpeerakeat, Kim Ki-Du, “Nonlinear analysis of reinforced concrete structure using an eight-node solid shell element”, Conference of Korean Society of Civil Engineering, (2007) 199-202
Dinh Van Nguyen, Kim Ki-Du, Shim Jae Soo, Choi Eun Soo, Suthasupradit Songsak, “Developement of Three-Dimensional Dynamic Analysis Model High Speed Train-Bridge Interaction”, Journal of Korean Society of Steel Construction, 20 (2008) 151-163
Panot Chobsilprakob, Ki-Du Kim, Tae-Young Kim, Songsak Suthasupradit, Bohez, “New development of XFINAS software for the analysis of human structures”, Eleventh East Asia-Pacific Conference on Structural Engineering & Construction (EASEC-11), 2008
Panot, Songsak, Pramin, Kim Ki-Du, “A Nonlinear Co-Rotational Quasi-Conforming 4-Node Shell Element using Ivanov-Ilyushin Yield Criteria”, Journal of Korean Society of Steel Construction, 20 (2008) 409-419
Songsak Suthasupradit, S. H. Lee, Y. J. Byun, H. G. Kim, K. D. Kim, C. S. Lee, “Three dimensional finite element analysis of PSC bridge”, Eleventh East Asia-Pacific Conference on Structural Engineering & Construction (EASEC-11), 2008
Songsak Suthasupradit, Panot Chobsilprakob, Pramin Norachan, Ki-Du Kim, “A co-rotational 9-node assumed strain element for large diaplacement elasto-plastic analysis of plates and shells”, Conference of Korean Society of Steel Construction, 2008
Gilson Rescober Lomboy, Songsak Suthasupradit, Ki-Du Kim, E Onate, “Nonlinear Formulations of a Four-Node Quasi-Conforming Shell element”, Arch. Comput. Methods Eng., 16 (2009) 189-250
Kim Ki-Du, Suthasupradit Songsak, Park Jong-Hwa, Park Jaegyun, “Nonlinear Analysis of Steel-Concrete Composite Structures using XFINAS Interface and Solid Elements”, Journal of the Computational Structural Engineering Institute of Korea, 23 (2010) 267-274
Panot Chopsilprakob, Songsak Suthasupradit, Ki-Du Kim, “Aeroelastic Analysis of Long Span Bridges via Indicial Function Considering Geometric and Material Nonlinearity”, Int. J. Steel Structures, 11(2011) 215-226
Pramin Norachan, Songsak Suthasupradit, Ki-Du Kim, “A co-rotational 8-node degenerated thin-walled element with assumed natural strain and enhanced assumed strain”, Finite elements in analysis and design, 50(2012) 70-85
S. Suthasupradit, R. Parichatprecha, P. Seetapan, and K. Rodsin., “Dynamic Behavior of Bridge-Train Interaction”, Civil Magazine, October, 2013 (in Thai)
Songsak Suthasupradit, Piyarat Paoleng, Rattapoohm Parichatpreecha, “Comparative Study of Frame and Shell Elements in Modeling of High Speed Railway Bridge”, 6th Asia and Pacific Young Researchers and Graduates Symposium (YRGS2014), 2014
Panot Chobsilprakob, Ki-Du Kim, Songsak Suthasupradit, Anaphat Manovachirasan, “Application of Indicial Function for the Flutter Analysis of Long Span Suspension Bridge During Erection”, International Journal of Steel Structures, Vol 14, No 1 p185-194, 2014
Thapakorn Maseejarn, Maneerin Thiyajong, Annop annop na Ayuttaya, Anupoong Sangkeaw, Parita Ruangrayont, Songsak Suthasupradit, “Dynamic Analysis of the train-track-bridge interaction for improvement of track on transition zone between ballasted and bridge track”, The 21st National Convention On Civil Engineering, Thailand, 2016
Chaiwat Rattanapan, Marisa Theppakdee, Siriwan Iamsaard, Nuttaporn Inkong, Songsak Suthasupradit, Piyarat Paoleng, “Finite Element Analysis Of Dynamic Of Trasition Zone”, The 21st National Convention On Civil Engineering, Thailand, 2016
Anaphat Manovachirasan, Songsak Suthasupradit , Jun Hyeok Choi, Bum Jun Kim, Kidu Kim, “The Evaluation of Axial Stress in Continuous Welded Rails via Three-Dimensional Bridge–Track Interaction”, International Journal of Steel Structures, 18(5):1617–1630, 2018