Biography

Dr Somsak SWADDIWUDHIPONG is currently a Professor in the Department of Civil Engineering. His research work is mainly on the Analysis, Design and Construction of Tall Buildings, Computational Mechanics, Appraisal and Retrofit of Concrete Structures and Material Characterization. He was a co-recipient of the inaugural Gold Medal Award for the Prestigious Publication (Application) from the Institution of Engineers, Singapore (IES) in 1990 and the International Journal of solids and Structures most Cited Author 2005-2008.

  Positions Held

• 2006-present Deputy Head (Undergraduate Studies), CE Dept, National University of Singapore
• 1998-2005    Deputy Head (Academic), CE Dept, National University of Singapore
• 1982-present Professor, Assoc Prof, Senior Lecturer, Lecturer, National University of Singapore
• 1977-1980    Demonstrator, CE Dept, University of Hong Kong
• 1974-1982    Assts Prof, Lecturer, CE Dept, Chiang Mai University, Thailand

  Consultancy Projects

• Over thirty construction projects in Singapore and in the region.

Qualifications

• PEng, Civil Engineering, Professional Engineers Board, Singapore, 2000
• PhD, Civil & Structures, University of Hong Kong, Hong Kong, 1980
• PEng, Civil Engineering, Engineering Council of Thailand, Thailand, 1976
• MEng, Structures & Mechanics, Asian Institute of Technology, Thailand, 1974
• BEng, Hons, Civil & Structures, Chulalongkorn University, Thailand, 1972

Honours & Awards

• 2009         International Journal of Solids and Structures Most Cited Author 2005-2008
• 2003         NUS Engineering Faculty Teaching Commendation Award
• 2001         NUS Engineering Faculty Teaching Honours List Award
• 1990         Inaugural IES Er KYD Gin Gold Medal Award for Prestigious Publication (Application)
• 1972-1974 British Government Scholarship

Professional Activities

• International Assessor (2002-present), of several Research Proposals submitted to Hong Kong Research Grants Council.
• External Examiner (1999-present), 4 PhD candidatures from the University of Hong Kong and 1 PhD candidature from the University of Macau.
• External Examiner (1999-present), 4 PhD candidatures from the University of Hong Kong and 1 PhD candidature from the University of Macau.
• External Examiner (2008-present), B.Eng. (Hons) Civil Engineering, Universiti Tunku Abdul Rahman, Kuala Lumpur, Malaysia.
• External Examiner (2008-present), Diploma in Civil Engineering and Management, Singapore Polytechnic, Singapore.
• Member (1998-present) & Secretary (2000-2002), Board of Directors, the International Society for Computing in Civil and Structural Engineering.
• Member (1998-present), of International Advisory Committees, International Scientific Committees, International Steering Committees, and International Technical Committees of more than 10 International Conferences.
• Chairman (1998-1999), and Coordinator (1999-2002), KKNN Symposiums in Civil Engineering.
• Deputy Chairman (1991-1996) Technical Committee, Singapore Standard 18:1996: Materials and performance tests for Aluminium curtain walls.
• Chairman (1994-1999) Technical Committee, Singapore Standard 381:1999: Cold-reduced steel wire for the reinforcement of concrete and the manufacture of welded fabric.

  Editorial Boards

• 2002-present: Member, Structural Engineering and Mechanics, an International Journal.
• 2004-2006: Member, Chinese Journal of Applied Mechanics.
• 2008-present: Member, International Journal of Applied Mechanics.

Teaching Areas

• Structural Mechanics and Mechanics of Materials
• Plate and Shell Structures
• Finite Element Method

Research Interests

• Computational mechanics, Material Characterization, Tall Buildings

Selected Publications

Recent Articles in Journals

1. Poh, L H and S Swaddiwudhipong, “Over-nonlocal gradient enhanced plastic-damaged model for concrete.” International Journal of Solids and Structures, 46 (2009): 4369-4378.
2. Poh, L H and S Swaddiwudhipong, “Gradient-enhanced softening material models.” International Journal of Plasticity, 25 (2009), 2094-2121.
3. Harsono, E, S Swaddiwudhipong, and Z S Liu, “Material characterization based on simulated spherical-Berkovich indentation tests.” Scripta Materialia, 60, No 11 (2009), 972-975.
4. Liu, Z S, E Harsono, and S Swaddiwudhipong, “Material characterization based on instrumented and simulated indentation tests.” International Journal of Applied Mechanics, 1, No 1 (2009) 61-84. (Inaugural issue)
5. Harsono, E, S Swaddiwudhipong, and Z S Liu, “Effect of friction on indentation test results.” Modelling and Simulation in Materials Science and Engineering, 16 (2008): No 065001 (11pp).
6. Swaddiwudhipong, S, E Harsono and Z S Liu, “Comparative Study of Reverse Algorithms via Artificial Neural Networks Based on Simulated Indentation Tests”. Journal of Tsinghua University-Science and Technology, 13 (2008): 393-399.
7. Liu, Z S, S Swaddiwudhipong, Q X Pei, “Simulation of micro and nano-indentations.” Journal of Mechanics of Materials and Structures, 3 (2008): 1847-1856.
8. Swaddiwudhipong, S, E Harsono, J Hua, and Z S Liu, “Reverse analysis via efficient artificial neural networks based on simulated Berkovich indentation.” Engineering with Computers, 25 (2008): 126-133.
9. Zhang, M H, S Swaddiwudhipong, K Y J Tay and C T Tam, “Effect of Silica fume on cement hydration and temperature rise of concrete in tropical environment.” IES Journal Part A: Civil and Structural Engineering, 1 (2008): 154-162.
10. Swaddiwudhipong, S, T T T Anh, Z S Liu and J Hua, “Modelling of wind load on single and staggered dual buildings.” Engineering with Computers, 23 (2007): 215-227.
11. Swaddiwudhipong S, J Hua, E Harsono, Z S Liu and N S B Ooi, “Improved algorithm for material characterization by simulated indentation tests”. Modelling and Simulation in Materials Science and Engineering, 14 (2006): 1347-1362.
12. Swaddiwudhipong, S, J Hua, K K Tho and Z S Liu, "Finite element modeling for materials with size effect." Modelling and Simulation in Materials Science and Engineering, 14 (2006): 1127-1137.
13. Swaddiwudhipong, S and P E C Seow, "Modelling of steel fibre-reinforced concrete under multi-axial loads." Cement and Concrete Research, 36 (2006): 1354-1361.
14. Swaddiwudhipong, S, K K Tho, J Hua and Z S Liu, "Mechanism-based strain gradient plasticity in C0 axisymmetric element." International Journal of Solids and Structures, 43 (2006): 1117-1130.
15. Tho, K K, S Swaddiwudhipong, J Hua and Z S Liu, "Numerical simulation of indentation with size effect." Materials Science and Engineering A, 421 (2006): 268-275.
16. Swaddiwudhipong, S, J Hua, K K Tho and Z S Liu, "Equivalency of Berkovich and conical load-indentation curves." Modelling and Simulation in Materials Science and Engineering, 14 (2006): 71-82.
17. Swaddiwudhipong, S, J Hua, K K Tho and Z S Liu, "C0 solid elements for materials with strain gradient effects." International Journal for Numerical Methods in Engineering, 64 (2005): 1400-1414.
18. Swaddiwudhipong, S, K K Tho, ZS Liu, J Hua and NSB Ooi, "Material characterization via least squares support vector machines." Modelling and Simulation in Materials Science and Engineering, 13 (2005): 993-1004.
19. Hua, J, S Swaddiwudhipong, Z S Liu and Q Y Xu, "Numerical analysis of nonlinear rotor-seal system." Journal of Sound and Vibration, 283 (2005): 525-542.
20. Liu, Z S, S Swaddiwudhipong, C Lu and J Hua, "Transient energy flow in ship plate and shell structures under low velocity impact". Structural Engineering and Mechanics, 20 (2005): 451-463.
21. Swaddiwudhipong, S, L H Poh, J Hua, Z S Liu and K K Tho, "Modeling size effects in nano-indentation of glassy polymers using finite elements with strain gradient plasticity." Materials Science and Engineering A, 404 (2005): 179-187.
22. Swaddiwudhipong, S, K K Tho, Z S Liu and K Y Zeng, "Material characterization based on instrumented indentation". Journal of Metastable and Nanocrystaline Materials, 23 (2005): 359-362.
23. Tho, K K, S Swaddiwudhipong, Z S Liu and K Zeng, "Simulation of instrumented indentation and material characterization". Materials Science and Engineering A, 390 (2005): 202-209.
24. Seow, P E C and S Swaddiwudhipong, "Failure surface for plain concrete and SFRC under multi-axial loads, a unified approach." Journal of Materials in Civil Engineering, 17 (2005): 219-228.
25. Swaddiwudhipong, S, K K Tho, Z S Liu and K Y Zeng, "Material characterization based on dual indenters." International Journal of Solids and Structures, 42 (2005): 69-83.

Recent Keynote and Invited Conference Papers

1. Ong, K C G, S Swaddiwudhipong, X Qian, "Current research activities in concrete in the department of civil engineering at NUS." Proceedings, the 1st International Conference on Computational technologies in Concrete Structures, Jeju, Korea (2009): 100-113 (Keynote Paper).
2. Swaddiwudhipong, S, "Research activities in civil engineering at NUS." Proceedings, the 1st Asean Civil Engineering Conference, Pattaya, Thailand (2009): 9pp. (Keynote Paper).
3. Tam, C T, E Harsono and S Swaddiwudhipong, “Concreting in the tropics: precautions and opportunities.” Proceedings, the Seventh International Congress, Concrete: Construction’s Sustainable Option, Dundee, Scotland, UK (2008): 33-44 (Keynote Paper).
4. Swaddiwudhipong, S “Numerical simulation in material characterization.” Proceedings, the fourth International Conference on Advances in Structural Engineering and Mechanics, Jeju, Korea (2008): 45-55 (Keynote Paper).
5. Swaddiwudhipong, S, "Finite element modeling and characterization of materials." Proceedings, the 10th East Asia Pacific Conference on Structural Engineering & Construction, (2006): 113-122. Bangkok, Thailand. (Keynote Paper).
6. Swaddiwudhipong, S, Z S Liu, J Hua and K K Tho, "Finite elements incorporating strain gradient plasticity." Proceedings, the Pisidhi Karasudhi Symposium Volume under the Auspices of the 10th East Asia-Pacific Conference on Structural Engineering & Construction, (2006): 215-220. Bangkok, Thailand. (Invited Paper).
7. Swaddiwudhipong, S and S L Lee, "Up-down construction of reinforced concrete tall building." Proceedings, CTBUH 2004 Seoul Conference: Tall Buildings in Historical Cities-Culture & Technology for Sustainable Cities, (2004): 824-831. Seoul, Korea. (Invited Speaker).
8. Swaddiwudhipong, S, "Innovative Solutions in Structural Engineering and Material Characterization." Proceedings, the Third International Conference on Advances in Structural Engineering and Mechanics, (2004): 91-98. Seoul, Korea. (Keynote Paper).