Somsa

Somsak Swaddiwudhipong

Emeritus Professor

Department of Civil and Environmental Engineering

Biography

Dr Somsak Swaddiwudhipong is currently an Emeritus Professor in the Department of Civil and Environmental 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

  • 2010- 2015 Deputy Head (Academic Matters), CEE Dept, National University of Singapore
  • 2006-2010 Deputy Head (Undergraduate Studies), CE Dept, National University of Singapore
  • 1998-2005 Deputy Head (Academic), CE Dept, National University of Singapore
  • 1982-present Emeritus Professor, Professor, Assoc Prof, Senior Lecturer, Lecturer, National University of Singapore
  • 1977-1980 Demonstrator, CE Dept, University of Hong Kong
  • 1974-1982 Asst 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 J. 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 Research Grant Council (RGC) of Hong Kong, Natural Sciences and Engineering Research Council of Canada (NSERC) and Research Grants Agency, Czech Republic (GACR).
  • Member (2014), International Review Panel of Postgraduate Programs in the Department of Civil and Environmental Engineering (CEE), University of Macau.
  • External Examiner (1999-present), Several PhD candidatures from the University of Hong Kong, the University of Macau, Thammasat University and the University of Malaya.
  • External Examiner (2012-2017), B.Eng. (Hons) Engineering Science Program, University of Hong Kong, Hong Kong SAR, PRC.
  • External Examiner (2008-2014), B.Eng. (Hons) Civil Engineering, Universiti Tunku Abdul Rahman, Kuala Lumpur, Malaysia.
  • External Examiner (2008-2012), Diploma in Civil Engineering and Management, Singapore Polytechnic, Singapore.
  • External Reviewer (2011), Annual Research Department Review, Institute of High Performance Computing, Singapore.
  • Member (1998-2018) & 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 numerous 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 Aluminum 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

  • 2002-2016: Member, Structural Engineering and Mechanics, an International Journal.
  • 2004-2006: Member, Chinese Journal of Applied Mechanics.
  • 2008-present: Member, International Journal of Applied Mechanics.
  • 2009-2011: Guest Editor, Computers and Concrete, an International Journal
  • 2010-2014: Member, ASEAN Engineering Journal

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

Articles in Journals:

  1. Vengatachalama, B, L H Poh,, Z S Liu, Q H Qin, and S Swaddiwudhipong. Three dimensional modelling of closed-cell aluminium foams with predictive macroscopic behavior. Mechanics of Materials, 136, (2019): 103067.
  2. Pradana, M R, X Qian, S Swaddiwudhipong and W Shen. An extrapolation method to determine the effective notch stress in circular hollow section X-joints. Fatigue and Fracture of Engineering Materials and Structures, 40, (2017): 160-175.
  3. Pradana, M R, X Qian and S Swaddiwudhipong. Simplified effective notch stress calculation for non-overlapping circular hollow section K-Joints. Marine Structures, 55, (2017): 1-16.
  4. Hu, J, Y He, J Lei, Z S Liu and S Swaddiwudhipong. Mechanical behavior of composite gel periodic structures with the pattern transformation. Structural Engineering and Mechanics, 50, (2014): 605-616.
  5. Qian, X, K Jitpairod, P W Marshall, S Swaddiwudhipong, Z Ou, Y Zhang and M R Pradana. Fatigue and residual strength of concrete-filled tubular X-joints with full capacity welds. Journal of Construction Steel Research, 100 (2014): 21-35.
  6. Zhang, Y, L Chen, S Swaddiwudhipong and Z S Liu. Buckling deformation of annular plates describing natural forms. International Journal of Structural Stability and Dynamic, 14, (2014): 1350054, 15 pages.
  7. Qian, X, Z Ou, S Swaddiwudhipong, P W Marshall. Brittle failure caused by lamellar splitting in a large scale tubular joint with fatigue cracks. Marine Structures, 34 (2013): 185-204.
  8. Poh, L H, R H J Peerling, M G D Geers and S Swaddiwudhipong. Towards a homogenized plasticity theory which predicts structural and microstructural size effects. Journal of the Mechanics and Physics of Solids, 61 (2013): 2240-2259.
  9. Ding, Z, Z S Liu, J Hu, S Swaddiwudhipong and Z Yang. Inhomogeneous large deformation study of temperature-sensitive hydrogel. International Journal of Solids and Structures, 50 (2013): 2610-2619.
  10. Qian, X, S Swaddiwudhipong, Y Petchdemaneengam, C T Nguyen, P W Marshall and Z Ou. Overload effect on the fatigue crack propagation in large scale tubular joints. Fatigue and Fracture of Engineering Materials and Structures, 36 (2013) 427-438.
  11. Poh, L H, R H J Peerling, M G D Geers and S Swaddiwudhipong. Homogenization towards a grain-size dependent plasticity theory for single slip. Journal of the Mechanics and Physics of Solids, 61 (2013): 913-927.
  12. Liu, Z S, S Swaddiwudhipong and W Hong. Pattern formation in plants via instability theory of hydrogels. Soft Matter, 9 (2013): 577-587.
  13. Liu, Z S, S Swaddiwudhipong and M J Islam. Perforation of steel and aluminum targets using a modified Johnson Cook material model. Nuclear Engineering and Design, 250 (2012): 108-115.
  14. Tho, K K, C F Leung, Y K Chow and S Swaddiwudhipong. Eulerian finite element technique for analysis of jack up spudcan penetration. International Journal of Geomechanics, 12, No 1 (2012): 64-73.
  15. Liu, Z S, S Swaddiwudhipong, F S Cui, W Hong, Z Suo and Y W Zhang. Analytical solutions of polymeric gel structures under buckling and wrinkle. International Journal of Applied Mechanics, 3, No 2 (2011): 235-257.
  16. Poh, L H, R H J Peerling, M G D Geers and S Swaddiwudhipong. An implicit tensorial gradient plasticity model – Formulation and comparison with a scalar gradient model. International Journal of Solids and Structures, 48 (2011): 2595-2604.
  17. Qian, X, S Zhang and S Swaddiwudhipong. Calibration of Weibull parameters using the conventional mechanism based strain gradient plasticity. Engineering Fracture Mechanics, 78 (2011): 1928-1944.
  18. Liu, Z, W Hong, Z Suo, S Swaddiwudhipong and Y Zhang, “Modeling and simulation of buckling of polymeric membrane thin film gel”. Computational Materials Science, 49 (2010): S60 S64.
  19. Poh, L H and S Swaddiwudhipong, “Over-nonlocal gradient enhanced plastic-damage model for concrete.” International Journal of Solids and Structures, 46 (2009): 4369-4378.
  20. 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.
  21. Poh, L H and S Swaddiwudhipong, “Gradient-enhanced softening material models.” International Journal of Plasticity, (2009): doi.10.1016/j.ijplas.2009.01.003.
  22. 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): 065001 (11pp).
  23. 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.
  24. 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.
  25. 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.
  26. 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.
  27. 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.
  28. 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.
  29. 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.
  30. Tho, K K, S Swaddiwudhipong, Z S Liu and J Hua. Artificial neural network model for material characterization by indentation. Modelling and Simulation in Materials Science and Engineering, 12 (2004): 1055-1062.
  31. Tho, K K, S Swaddiwudhipong, Z S Liu, K Zeng and J Hua. Uniqueness of reverse analysis from conical indentation tests”. Journal of Materials Research, 19 (2004): 2498-2502.
  32. Swaddiwudhipong, S, J Zhang and S L Lee. Prepacked grouting process in concrete construction. Journal of Materials in Civil Engineering ASCE, 15 (2003): 567-576.
  33. Sulapha, P, S F Wong, T H Wee and S Swaddiwudhipong. Carbonation of concrete containing mineral admixtures. Journal of Materials in Civil Engineering ASCE, 15 (2003): 134-143.
  34. Swaddiwudhipong, S, S L Lee and Q Zhou. Effect of axial deformation on vibration of tall buildings. The Structural Design of Tall Buildings, 10 (2001): 79-91.
  35. Lu, H R, S Swaddiwudhipong and T H Wee. Evaluation of internal restrained strain in concrete members at early age. ACI Materials Journal, 97 (2000): 612-618.
  36. Aldred, J M, S Swaddiwudhipong, S L Lee and T H Wee. Effect of moisture content on water transport in silica fume concrete. ACI Materials Journal, 97 (2000): 493-500.
  37. Wang, C M, S Swaddiwudhipong and J Tian. Ritz method for vibration analysis of cylindrical shells with ring-stiffeners. Journal of Engineering Mechanics ASCE, 123 (1997): 134-142.
  38. Swaddiwudhipong, S and Z S Liu. Response of laminated composite plates and shells. Composite Structures, 37 (1997): 21-32.
  39. Swaddiwudhipong, S, J Tian and C M Wang. Vibrations of cylindrical shells with intermediate supports. Journal of Sound and Vibration, 187 (1995): 69-93.
  40. Swaddiwudhipong, S, Y K Chow, S C Tan and K F Phoon. Dynamic response of surface foundations on layered media. Earthquake Engineering & Structural Dynamics, 20 (1991): 1065-1081.
  41. Chow, Y K, S Swaddiwudhipong and K F Phoon. Finite strip analysis of strip footings: Horizontal loading. Computers and Geotechnics, 8 (1989): 65-86.
  42. Lee, S L, C T Tam, S Swaddiwudhipong, S T Quek and G K C Ong. Appraisal and repair of concrete structures. IES Journal, 29 (1989): 41-52.
  43. Swaddiwudhipong, S, C Y Liaw and K L Cheng. Fatigue crack growth and failure of tubular members. Engineering Fracture Mechanics, 33 (1989): 765-771.
  44. Chow, Y K, S Swaddiwudhipong and S A Lim. Dynamic finite strip analysis of surface foundations. Earthquake Engineering & Structural Dynamics, 16 (1988): 457-467.
  45. Swaddiwudhipong, S and N E Shanmugam. Steel fibre reinforced concrete deep beams with openings. Journal of Structural Engineering ASCE, 111 (1985): 1679-1690.
  46. Swaddiwudhipong, S and S L Lee. Core-frame interaction in tall buildings. Engineering Structures, 7 (1985): 51-55.
  47. Balendra, T, S Swaddiwudhipong, S T Quek and S L Lee. Free vibration of asymmetric shear wall-frame buildings. Earthquake Engineering & Structural Dynamics, 12 (1984): 629-650.
  48. Balendra, T, S Swaddiwudhipong, S T Quek and S L Lee. Approximate analysis of asymmetric buildings. Journal of Structural Engineering ASCE, 110 (1984): 2056-2072.
  49. Cheung, Y K and S Swaddiwudhipong. Free vibration of frame shear wall structures on flexible foundations. Earthquake Engineering & Structural Dynamics, 7 (1979): 355-367.
  50. Cheung, Y K and S Swaddiwudhipong. Analysis of frame shear wall structures using finite strip elements. Proceedings, Institution of Civil Engineers. Great Britain. Part 2, Research and Theory, 65, (1978): 517-535.

 

Keynote and Invited Papers at Scientific Meetings:

  1. Swaddiwudhipong, S. Civil Engineering: Concept, Research and Practice. Proceedings, the Thirty-First KKHTCNN Symposium on Civil Engineering, Kyoto, Japan (2018): 31-40.
  2. Swaddiwudhipong, S. Computational Mechanics and Its Applications. Proceedings, International Symposium on Frontiers in Applied Mechanics, Xi’an, PRC (2015).
  3. Cheong, H F, S L Lee and S Swaddiwudhipong. Civil Engineering Education at NUS – from Humble Beginning to Global Standing. Proceedings, the Twenty-Eighth KKHTCNN Symposium on Civil Engineering, Bangkok, Thailand (2015).
  4. Swaddiwudhipong, S. Computational Gradient Enhanced Plasticity. Proceedings, Frontiers in Applied Mechanics, Singapore (2014): 97-98.
  5. Swaddiwudhipong, S. Policy and strategy in construction industry, Singapore perspective. The Eighth Asia Construction IT Meeting in Tokyo, Japan, Tokyo Grand Hotel, Tokyo, Japan (2012). (Plenary invited presentation by Civil Engineering Informatics of the Japan Society of Civil Engineering (JSCE) and Japan Construction Information Centre (JACIC)).
  6. Koh, C G, S Swaddiwudhipong, Z. S. Liu and M Gao. Particle methods for modelling impact load on structures. Proceedings of the Ninth International Conference on Shock & Impact Loads on Structures, (2011): 41-56.
  7. Ong, K C G, S Swaddiwudhipong, X Qian, “Current research activities in concrete in the Department of Civil Engineering at NUS.” Proceedings, the First International Conference on Computational Technologies in Concrete Structures, Jeju, Korea (2009): 100-113.
  8. Swaddiwudhipong, S, “Research activities in civil engineering at NUS.” Proceedings, the First Asean Civil Engineering Conference, Pattaya, Thailand (2009): 9pp.
  9. Tam, C T, E Harsono, and S Swaddiwudhipong. Concreting in the tropics – Precautions and opportunities. Concrete Durability: Achievement and Enhancement, Proceedings, the International Conference held at the University of Dundee, Scotland, UK. (2008): 33-44.
  10. Swaddiwudhipong, S. Finite element modeling and characterization of materials. Proceedings, the Tenth East Asia Pacific Conference on Structural Engineering & Construction, Bangkok, Thailand (2006): 113-122.
  11. 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 Tenth East Asia-Pacific Conference on Structural Engineering & Construction, Bangkok, Thailand (2006): 215-220.
  12. 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, Seoul, Korea (2004): 824-831.
  13. Swaddiwudhipong, S. Innovative Solutions in Structural Engineering and Material Characterization. Proceedings, the Third International Conference on Advances in Structural Engineering and Mechanics, Seoul, Korea (2004): 91-98.
  14. Lee, S L, S Swaddiwudhipong, S H Chew and Y K Chow. Conceptual design and construction of building on steep slope. Proceedings, the Ninth East Asia-Pacific Conference on Structural Engineering and Construction, Bali, Indonesia (2003): KS1-KS7.
  15. Lee, S L and S Swaddiwudhipong. Updown construction of tall buildings. Proceedings, the Second International Specialty Conference on the Conceptual Approach to Structural Design, Singapore (2003): 67-100.
  16. Swaddiwudhipong, S, D Jiang, P E C Seow and K K Tho. Performance of steel reinforced concrete columns and joints. Proceedings, the Second International Conference on Advances in Structural Engineering and Mechanics, Busan, Korea (2002): 228.
  17. Ong, G K C, S Swaddiwudhipong and S L Lee. Innovative retrofit solutions for structural repair. Proceedings, Asian Concrete Forum Symposium, Seoul, Korea (2002): 74-81.
  18. Swaddiwudhipong, S, G K C Ong and S L Lee. Innovative solutions in the retrofit of concrete structures. Proceedings, International Conference on Advancement in Design, Construction, Construction Management and Maintenance of Building Structures, Bali, Indonesia (2002): 20-33.
  19. Lee, S L and S Swaddiwudhipong. Innovative solutions in structural and construction engineering. Proceedings, the Eighth East Asia-Pacific Conference on Structural Engineering and Construction, Singapore (2001): 15-29.
  20. Swaddiwudhipong, S. Innovative approach in strengthening & repairing of concrete structures. Proceedings, the Seventh International Conference on Inspection, Appraisal, Repairs & Maintenance of Buildings & Structures, Vol. 2 , Nottingham, UK (2001): 1-12.
  21. Lee, S L, S Swaddiwudhipong, S H Chew and Y K Chow. Conceptual Design of Buildings on Steep Slope. Proceeding, Speciality Conference on the Conceptual Approach to Structural Design, Singapore (2001): 1-12.
  22. Swaddiwudhipong, S and S L Lee. Steel reinforced concrete composites in up-down construction. Proceedings, the First International Conference on Steel & Composite Structures, Busan, Korea (2001): 815-822.
  23. Lee, S L and S Swaddiwudhipong. Conceptual design and construction of tall buildings. Proceedings, ICCMC/IBST 2001 International Conference on Advanced Technologies and Design, Hanoi, Vietnam (2001): 11-22.
  24. Lee, S L, S Swaddiwudhipong, S H Chew, Y K Chow and X Li. Up-down construction of a building with basement on steep slope. Proceedings, the GEOTECH YEAR 2000, Bangkok, Thailand (2000): 205-211.
  25. Lee, S L, S Swaddiwudhipong, Y K Chow, D Hoedajanto and A Afandie. Top-down construction of steel building using steel pipe piles. Proceedings, the Sixth International Conference on Steel and Space Structures, Singapore (1999): 57-74.
  26. Lee, S L and S Swaddiwudhipong. Up-down construction of tall buildings in city centre. Proceedings, International Conference on Urban Engineering in Asian Cities in the Twenty-first Century, Bangkok, Thailand, Vol. 1 (1996): 22-55.
  27. Lee, S L, S Swaddiwudhipong and K Y Yong. Up-down construction of tall buildings with deep basement. Proceedings, Concrete 95 Toward Better Concrete Structures, Brisbane, Australia (1995): 1-15.
  28. Lee, S L, S Swaddiwudhipong, T H Wee and S F Wong. Ingress of chloride ions in concrete. Proceedings, the Twentieth Conference on Our World in Concrete and Structures, Singapore (1995): 17-34.
  29. Lee, S L, S Swaddiwudhipong, Y K Chow, D Hoedajanto, A Afandie, S M Sulistijo and R Saad. Use of pipe piles in top-down construction of steel building. Proceedings, the Fifth International Conference on Steel Structures, Jakarta, Indonesia (1994): 361-379.
  30. Lee, S L, S Swaddiwudhipong and Q Zhou. Wind load responses of asymmetric core-frame tube building. Proceedings, Seminar Dua Hari Beyond 50, Jakarta, Indonesia (1994): A2-A22.
  31. Lee, S L, G K C Ong and S Swaddiwudhipong. A repair strategy for waffle slabs. Proceedings, the Third International Conference on Inspection, Appraisal, Repairs and Maintenance of Buildings and Structures, Bangkok, Thailand (1994): 119-125.
  32. Lee, S L, K Y Yong, S Swaddiwudhipong, S Sithichaikasem and R Ratanaprichavej. Structural design and construction of 70-storey concrete building. Special Lecture, JCI Annual Convention, Tokyo, Japan (1992): 1-41.
  33. Lee, S L, C T Tam, S Swaddiwudhipong and A C Mani. Temperature distribution and thermal stresses in thick concrete foundation. Proceedings, the Third International Conference on Structural Failure Structural Failure – Durability, Maintenance and Retrofitting, Singapore (1991): 17-33.
  34. Lee, S L, P Paramasivam, C T Tam, G K C Ong, S Swaddiwudhipong and K H Tan. Precast ferrocement structural components. Proceedings, International Symposium on Innovations in the Applications of Precasting and Prestressing, Singapore (1990): 39-45.
  35. Lee, S L, S Tumilar, H C Chin and S Swaddiwudhipong. Column load balancing by prestressing. Proceedings, the Fifteenth Conference on Our World in Concrete and Structures, Singapore (1990): 187-194.
  36. Tam, C T, G K C Ong, S T Quek, S Swaddiwudhipong and S L Lee. Durability and appraisal of concrete structures. Proceedings, the First Conference on Concrete and Structures, Kuala Lumpur, Malaysia (1989): 185-197.
  37. Lee, S L, T See and S Swaddiwudhipong. A three-part universal space frame connector. Proceedings, International Symposium on Innovative Applications of Shells and Spatial Forms,3, Bangalore, India (1988): 63-74.

Staff Details

Contact Number

651 62173

Email Address

ceesomsa@nus.edu.sg