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    Dr. Ajeesh S. S.
    Dr. Ajeesh S. S.

    Assistant Professor

    Office Address:

    Department of Civil Engineering NIT Calicut

    Contact no:

    0495 228 6238

    Email ID:

    ajeeshss@nitc.ac.in

    Home Address:

  • PhD, Indian Institute of Technology Madras

  • M.Tech, College of Engineering Trivandrum

  • B.Tech, TKM College of Engineering Kollam

    • Educational Qualifications

    • PhD, Indian Institute of Technology Madras

    • M.Tech, College of Engineering Trivandrum

    • B.Tech, TKM College of Engineering Kollam

    Professional Experience

    • Assistant Professor (Academic Level 11) (July 2022-till date) Department of Civil Engineering, NIT Calicut

    • Assistant Professor (Sr) (May 2017- July 2022) School of Civil Engineering, VIT Vellore

    • Structural Engineer Willways Structural Consultants,Thiruvananthapuram (2010-2012)

    • Computational methods on structural stability of thin plated structures using spline finite strip method and generalized beam theory
    • Computational formulations for buckling behaviour of thin RC and steel members
    • Non-linear analysis for the mode characterization of thin-walled structural members
    • Behaviour of steel structures under fire and impact

    1. Ajeesh, S. S., and Arul Jayachandran, S. (2016). “Simplified semi-analytical model for elastic distortional buckling prediction of cold-formed steel flexural members.” Thin-Walled Structures. 106, 420-427.  doi:10.1016/j.tws.2016.05.015
    2. Ajeesh, S. S., and Arul Jayachandran, S. (2017). “Amendment schemes for cubic end splines used in structural analysis.” Journal of Structural Engineering (CSIR-SERC, India)., 43, 539-546.
    3. Ajeesh, S. S., and Arul Jayachandran, S. (2017). “A constrained spline finite strip method for the mode decomposition of cold-formed steel sections using GBT principles” Thin-Walled Structures., 113, 83-93.  doi:10.1016/j.tws.2017.01.004
    4. Ajeesh, S. S., and Arul Jayachandran, S. (2017). “Identification of buckling modes in generalized spline finite strip analysis of cold-formed steel members” Thin-Walled Structures.,119, 593-602. doi:10.1016/j.tws.2017.07.005
    5. Ajeesh, S. S., and Arul Jayachandran, S. (2019). “Direct Strength design of cold-formed steel members using constrained spline finite strip method.” International Journal of Steel Structures, 19, 1801-1813. DOI: 10.1007/s13296-019-00249-9
    6. Ajeesh, S. S., and Arul Jayachandran, S. (2021). “Spline finite strip analysis of thin-walled flexural members subjected to general loading with intermediate restraints” Thin-Walled Structures., 158, paper id- 107171. doi: 10.1016/j.tws.2020.107171
    7. Basil Johny., and Ajeesh, S. S. (2022). “Numerical investigation of shear lag on channel tension members” Journal of The Institution of Engineers (India): Series A, 103, 815-829. doi: 10.1007/s40030-022-00652-2
    8. Navin K. Vincent., Allen Varghese., and Ajeesh S. S. (2023). “Distortional–Global Interactive Buckling of Thin-Walled Columns with Complex Lips” International Journal of Steel Structures, 23, 945-961. DOI: 10.1007/s13296-023-00740-4
    9. Ajeesh, S. S., and Arul Jayachandran, S. (2024). “Computation of Shear Buckling Stress of Thin-Walled Sections Using Constrained Spline Finite Strip Method” Thin-Walled Structures., 199, paper id- 111813. doi: 10.1016/j.tws.2024.111813
    10. Shimy Jacob., Aneeshkumar, S. L., and Ajeesh, S. S. (2024). “Investigation on Axial Capacity of Cold‑Formed Aluminium Alloy Built‑Up Columns” Journal of The Institution of Engineers (India): Series A, 105, 371–382. DOI: 10.1007/s40030-024-00798-1
    11. Ng Lieu Thai., Daniel Looi Ting Wee., Jessey Lee., Adeline Ng Ling Ying., and Ajeesh, S. S. (2025). “Design of Single Post-installed steel screw anchor: A nomogram model and reassessment of Eurocode 2-Part 4” Advanced Steel Construction (Accepted).
    12. Allen Varghese., and Ajeesh, S. S. (2025). “Investigation on Flexural Performance of Perforated Lean Duplex Stainless Steel Rectangular Hollow Beams” Journal of The Institution of Engineers (India): Series A, 106, 907–927. DOI: 10.1007/s40030-025-00910-z
    13. Dilshad M P., Abhinav V., Amrita Rajan., and Ajeesh S. S. (2025). “Investigation on shear lag effect of T-section tension members” Structures., 80, paper id- 109905. DOI: 10.1016/ j.istruc.2025.109905.

    1. Ajeesh, S. S., and Sreekumar, S. (2010). “Shear behaviour of hybrid plate girder.” Proc., International Conference on Technological Trends, College of Engineering Trivandrum.
    2. Ajeesh, S. S., and Sreekumar, S. (2011). “Shear behaviour of stiffened plate girders.” Proc., International Conference on Structural and Civil Engineering, SCE-2011.
    3. Ajeesh, S. S., and Arul Jayachandran, S. (2014). “Analytical Predictions for distortional buckling of cold-formed steel flexural members.” Proc., 9th Structural Engineering Convention (SEC 2014), (Ed.) Matsagar, V., Delhi, India.
    4. Ajeesh, S. S., and Arul Jayachandran, S. (2015). “Static and buckling analysis of plates using spline finite strip method with modified amending schemes.” Proc., The 2015 World Congress on Advances in Structural Engineering and Mechanics (ASEM15), Incheon, Korea, (ICSCS 15).
    5. Ajeesh, S. S., and Arul Jayachandran, S. (2015). “Distortional buckling in cold-formed steel members- A review.” Proc., Third International Conference on Modelling & Simulation in Civil Engineering, TKM College of Engineering, Kollam.
    6. Ajeesh, S. S., and Arul Jayachandran, S. (2016). “TWLIGHT-IITM- A computational utility for elastic buckling stress predictions of cold-formed steel elements.” Proc., 10th Structural Engineering Convention (SEC 2016), CSIR-SERC, Chennai, India.
    7. Ajeesh, S. S., and Arul Jayachandran, S. (2018). “Elastic buckling of cold-formed steel complex cross sections using constrained spline finite strip method (cSFSM).” Proc., Ninth International Conference on Advances in Steel Structures (ICASS 2018), Hong Kong.
    8. Ajeesh, S. S., and Vikas Yadav. (2023). “Finite element analysis on shear lag of channel tension members with bolted connection.” Proc., Eleventh International Conference on Advances in Steel Structures (ICASS 2023), Kuching, Sarawak, Malaysia.
    9. Archana, A. R., Ajeesh, S.S., and Madhavan Pillai, T. M. (2024). “Influence of Impactor-Head Geometry on the Impact Response of Steel Sections: A Comprehensive Analysis” Proc., Fourteenth Structural Engineering Convention (SEC-2024), NIT Tiruchirapalli, India-979-889171163-1
    10. Ajeesh, S.S., Aaliya Samad., Archana, A. R., and Madhavan Pillai, T. M. (2024). “Numerical Investigation on the Impact Resistance of Cold-formed Steel Compression Members” Proc., Fourteenth Structural Engineering Convention (SEC-2024), NIT Tiruchirapalli, India- 979-889171163-1

    1. Ajeesh, S.S., Arul Jayachandran, S. (2019). TWLIGHT-IITM—A Computational Utility for Elastic Buckling Stress Predictions of Cold-Formed Steel Elements. In: Rao, A., Ramanjaneyulu, K. (eds) Recent Advances in Structural Engineering, Volume 1. Lecture Notes in Civil Engineering , vol 11. Springer, Singapore. https://doi.org/10.1007/978-981-13-0362-3_31
    2. Archana, A.R., Ajeesh, S.S., Madhavan Pillai, T.M. (2024). Exploring the Efficacy of Drop-Weight Impact Test on Structural Components: A Comparative Investigation. In: Goel, M.D., Vyavahare, A.Y., Khatri, A.P. (eds) Recent Developments in Structural Engineering, Volume 4. SEC 2023. Lecture Notes in Civil Engineering, vol 549. Springer, Singapore. https://doi.org/10.1007/978-981-97-6603-1_38.
    3. Shameem Ashraf, E., Sree Lakshmi Ranjith Kumar., Sreehari B., Ajeesh S S. (2025). “Energy Efficient Building Design Using BIM.” Sustainable Advances in Construction and Building Materials: Achieving Net Zero, Edited by B.B. Das, Salim Barbhuiya and Leon Black, Cambridge Scholars Publishing, ISBN: 978-1-0364-4957-5.

    • Courses handled at NIT Calicut
    1. Engineering Mechanics
    2. Mechanics of Solids
    3. Structural Analysis II
    4. Structural Analysis III
    5. Structural Design II (Design of Steel Structures)
    6. Stability of Structures
    7. Material Testing Lab
    8. Stress Analysis lab
    9. Computer Applications lab
    10. Seminar

     

    • Courses handled at VIT Vellore
    1. Engineering drawing
    2. Building Drawing
    3. Strength of Materials
    4. Engineering Mechanics
    5. Design of Steel Structures
    6. Construction materials and Techniques
    7. Quantity surveying and estimating
    8. Finite element analysis
    9. Structural Dynamics
    10. Matrix methods of Structural analysis
    11. Construction Techniques of Steel and Concrete Composite Structures

    1. Archana A R (Full time- ongoing)-Main Supervisor
    2. Nasif A (External Part time – ongoing)-Co-Supervisor
    3. Aneesh Kumar S L (External Part time – ongoing)
    4. Deepthy Susan Mathew (Full time- ongoing)
    5. N G Lieu Thai (Swinburne University of Technology-ongoing)- External Supervisor

    1. Distortional-global buckling interaction of cold-formed steel members under axial compression
    2. Buckling behaviour of thin-walled beams at elevated temperature
    3. Weight optimization of plate girder webs
    4. Behaviour of perforated LeanDuplex Stainless Steel (LDSS) hollow beams
    5. Shear lag effect on high strength steel channel members
    6. Study of cold-formed steel lipped channel section beamssubjected to temperature gradient
    7. Behaviour of Stiffened Cold-Formed Steel Lipped Channel Columns at Sub-Zero Temperatures
    8. Investigation on Axial Capacity of Cold- Formed Aluminum Alloy Built-Up Columns
    9. Lateral load analysis of prefabricated volumetric modular building
    10. Numerical Study on Axial Capacity of Cold-Formed Steel Built-Up Box Sections
    11. Numerical investigation of shear lag on channel tension member
    12. Fatigue assessment of mooring line by fracture mechanics method
    13. Study on impact resistance of cold-formed steel compression members
    14. Transient thermal analysis of cold-formed steel columns
    15. Analytical expressions for elastic distortional buckling stress of cold-formed steel compression members
    16. Transient thermal analysis of lipped channel columns under axial and eccentric compression
    17. Behaviour of cold-formed lipped angle beams under combined flexure and torsion

    1. Design and analysis of a plate girder
    2. Detailed analysis of a building using building information modelling (BIM)
    3. Planning design and three-dimensional modelling of multistoreyed building
    4. Planning, analysis and design of a multistorey hospital building for earthquake prone area
    5. Planning, analysis and design of multistorey building
    6. Energy efficient building design and analysis using BIM
    7. Clash detection of multi-storeyed building using building information modelling
    8. Numerical investigation of shear lag on tension members
    9. Numerical analysis of cold-formed steel portal frame using finite element analysis
    10. Development of infilled rectangular hollow beams with enhanced impact and vibration resistance
    11. Lateral torsional buckling of steel beams under different loading and boundary conditions

    Address:

    National Institute of Technology Calicut,
    NIT Campus P.O 673 601,
    Kozhikode, India.

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