சி. எஸ். ஐ. ஆர். - கட்டமைப்பு பொறியியல் ஆராய்ச்சி நடுவம்

Professional Background

• Scientist-F,  CSIR-Structural Engineering Research Centre, Chennai.  01/07/2023 - till date
• Principal Scientist,  CSIR-Structural Engineering Research Centre, Chennai.  01/07/2018 - 30/06/2023
• Senior Scientist,  CSIR-Structural Engineering Research Centre, Chennai.  01/07/2014 - 30/06/2018
• Scientist,  CSIR-Structural Engineering Research Centre, Chennai.  09/10/2009 - 30/06/2014
• Scientist B - CSIR-SERC - Oct 2009-June 2011
• Project Assistant, CSIR-Structural Engineering Research Centre, Chennai from Feb 2007 to July 2008
• Lecturer, Bannari Amman Institute of Technology, Sathyamangalam, from Jan 2001 to Nov 2003

Areas of Scientific Interest

• Structural health monitoring
• SHM of Bridges using Vehicle-Bound sensors
• Structural Dynamics
• System Identification
• Solving Inverse problems using Metaheuristic Evolutionary Optimisation techniques
• Condition assessment of civil structures
• Computational structural mechanics
• Artificial Intelligence and Machine learning for structural engineering

Awards & Honours

• Received “Suchit Kumar Ghosh Memorial Prize 2025” from Institute of Engineers, India, for the paper titled ' Modal Identification of a Bridge Using the Vibration Response of a Passing Vehicle Combining VMD and TKEO', as the best paper published in the field of Bridge Engineering in Journal of Institution of Engineers- Series A.
• Level D Certified Management Associate by International Project Management Association (IPMA)
• Recipient of the prestigious award, “Outstanding Woman Structural Engineer 2023”, from Indian Association of Structural Engineers (IAStructE), Nov 2024
• Received an award “SEERMIGHU PORIYALAR AWARD 2023”, conferred by Hindu Tamil Disai and Ramco Supercrete, Dec 2023
• Awarded Dr. Ramaiah Prize (2023) by CSIR-SERC, for the best technical paper published during the year 2022-23, “An Energy-Based Damage Diagnosis Under Changing Environmental Temperature for Online SHM, International Journal of Structural Stability and Dynamics, 22, 15, 2022, pp 2250180 - 1-30.
• Awarded Dr. Ramaiah Prize(2022) by CSIR-SERC, for the best technical paper published during the year 2021-22, “Detection and quantification of damage in bridges using a hybrid algorithm with spatial filters under environmental and operational variability”, Structures, 32, 617-631,2021.
• Recipient of Dr M. Ramaiah Prize (2020) by CSIR-SERC, for the best technical paper published during the year 2019-20, titled, " A novel vibration-based breathing crack localization technique using a single sensor measurement ", Mechanical Systems and Signal Processing, 122, 117-138, 2019.
• Awarded Dr Ramaiah Prize-Certificate of Merit (2019) by CSIR-SERC, for the technical paper titled, “Dynamic force reconstruction techniques from incomplete measurements”, published in Journal of Vibration and Control, Vol. 24(22), 5321- 5344, 2018.
• Received the best paper award for presenting a contributed paper titled, “A Damage detection technique using Bridge Influence Surfaces for structural health monitoring of bridges”, in an International Conference on Recent Advances in Civil Engineering (ICRACE- 2021), Organised by the National Institute of Technology, Silchar, during 17-19 Sept 2021.

Reviewer for the following journals

• Engineering Structures, ASCE- Performance of constructed Facilities, Structural Control and Health monitoring, Structures, International Journal of Structural Stability and Dynamics , Journal of Vibration Technology, Non Destructive Testing and Evaluation , Insight- Non Destructive testing and condition monitoring, Journal of composites-Part-B, Ocean Engineering, Structural and Multidisciplinary Optimization, Journal of The Institution of Engineers (India): Series A, Transactions of Indian National Academy of Engineers, Journal of structural engineering (CSIR-SERC)

Membership of professional bodies:

• Fellow of the Institute of Engineers (FIE)
• Fellow of Indian Structural health Monitoring Society (FISHMS)
• Fellow of the Council of Vibration Specialists (FCVS)
• Member of Indian Society of Applied Mechanics
• Member of Indian Society of Wind Engineering
• Member of Computer Society of India
• Member of Indian Structural Integrity Society (InSIS)

Publications

• Lakshmi, K., & Srinivas, A. (2026). Localisation and quantification of damage in structures with limited measurements using OMA and correlated FE models. Sādhanā. Accepted for Publication
• Lakshmi, K., Arora, P., & Rao, A. R. M. (2024). Global–local damage diagnostic approach for large civil structures with very limited sensors. International Journal of Structural Stability and Dynamics, 24(23), 2450270. https://doi.org/10.1142/S021945542450270X
• Lakshmi, K., Srinivas, A., & Ahmed, A. K. F. (2024). Vehicle scanning-based enhanced modal identification of a bridge using singular value decomposition. Sādhanā, 49(2), 136. https://doi.org/10.1007/s12046-024-02386-0
• Lakshmi, K. (2024). Real-time online damage localisation using vibration measurements of structures under variable environmental conditions. Smart Structures and Systems, 33(3), 227–241.
• Murthy, A. R., Lakshmi, K., Vishnuvardhan, S., & Saravanan, M. (2023). Prediction of SIF range for plain API 5L Grade X65 steel under corrosion using AI & ML models. Materials Today Communications, 36, 106543. https://doi.org/10.1016/j.mtcomm.2023.106543
• Lakshmi, K. (2022). An energy-based damage diagnosis under changing environmental temperature for online SHM. International Journal of Structural Stability and Dynamics, 22(15), 2250180. https://doi.org/10.1142/S021945542250180X
• Lakshmi, K., Reddy, V. K., & Rao, A. R. M. (2022). Modal parameter estimation of tall structures using HHT with improved EMD. Journal of Scientific and Industrial Research, 81(6), 594–605.
• Lakshmi, K., & Prawin, J. (2022). Decentralized damage diagnostic technique for tall buildings using VARMAX model. Earthquake Engineering and Engineering Vibration, 21(2), 417–439. https://doi.org/10.1007/s11803-022-2102-2
• Lakshmi, K. (2021). Detection and quantification of damage in bridges using a hybrid algorithm with spatial filters under environmental and operational variability. Structures, 32, 617–631. https://doi.org/10.1016/j.istruc.2021.03.030
• Lakshmi, K., & Keerthivas, M. (2021). Damage diagnosis of high-rise buildings under variable ambient conditions using subdomain approach. Inverse Problems in Science and Engineering.
• Prawin, J., Rao, A. R. M., & Lakshmi, K. (2021). Damage detection in nonlinear vibrating structures using model updating. Engineering with Computers. https://doi.org/10.1007/s00366-021-01364-0
• Lakshmi, K. (2020). A multi-model based approach for the detection of subtle structural damage considering environmental variability. International Journal of Structural Stability and Dynamics, 20(3), 2050038. https://doi.org/10.1142/S0219455420500380
• Prawin, J., Lakshmi, K., & Rao, A. R. M. (2020). Structural damage diagnosis under varying environmental conditions with very limited measurements. Journal of Intelligent Material Systems and Structures, 31(5), 665–686. https://doi.org/10.1177/1045389X19897468
• Jayalakshmi, V., Lakshmi, K., & Rao, A. R. M. (2019). Reconstruction of impact load on structures with limited measurements using dynamic hybrid adaptive differential search algorithm. Inverse Problems in Science and Engineering.
• Lakshmi, K. (2019). Multi-constrained optimization combining ARMAX with differential search for damage assessment. Structural Engineering and Mechanics, 72(6), 689–712. https://doi.org/10.12989/sem.2019.72.6.689
• Lakshmi, K., & Rao, A. R. M. (2019). Baseline-free hybrid diagnostic technique for detection of minor incipient damage in the structure. Journal of Performance of Constructed Facilities, 33(2), 04019018. https://doi.org/10.1061/(ASCE)CF.1943-5509.0001265
• Prawin, J., Lakshmi, K., & Rao, A. R. M. (2019). A novel vibration-based breathing crack localization technique using a single sensor measurement. Mechanical Systems and Signal Processing, 122, 117–138. https://doi.org/10.1016/j.ymssp.2018.12.009
• Lakshmi, K., & Rao, A. R. M. (2018). A hybrid structural health monitoring technique for detection of subtle structural damage. Smart Structures and Systems, 22(5), 587–609.
• Lakshmi, K., & Rao, A. R. M. (2018). Output-only damage localization technique using time series model. Sādhanā, 43(9), 147. https://doi.org/10.1007/s12046-018-0912-4
• Lakshmi, K., & Rao, A. R. M. (2018). Multi-objective optimal design of composite beam using hybrid adaptive harmony search with dynamically reconfigurable harmony memory. Proceedings of the Institution of Mechanical Engineers, Part C. https://doi.org/10.1177/0954406218761486
• Prawin, J., Lakshmi, K., & Rao, A. R. M. (2018). A novel singular spectrum analysis-based baseline-free approach for fatigue-breathing crack identification. Journal of Intelligent Material Systems and Structures, 29(10), 2249–2266. https://doi.org/10.1177/1045389X17736935
• Lakshmi, K., & Rao, A. R. M. (2018). An improved damage diagnostic technique combining singular spectrum analysis with time series model. Structure and Infrastructure Engineering, 14(10), 1412–1431. https://doi.org/10.1080/15732479.2018.1438473
• Jayalakshmi, V., Lakshmi, K., & Rao, A. R. M. (2018). Dynamic force reconstruction techniques from incomplete measurements. Journal of Vibration and Control, 24(22), 5321–5344. https://doi.org/10.1177/1077546317736612
• Lakshmi, K., Rao, A. R. M., & Gopalakrishnan, N. (2017). Singular spectrum analysis combined with ARMAX model for structural damage detection. Structural Control and Health Monitoring, 24(9), e1960. https://doi.org/10.1002/stc.1960
• Lakshmi, K., & Rao, A. R. M. (2016). Structural damage detection using ARMAX time series models and cepstral distances. Sādhanā, 41(9), 1081–1097. https://doi.org/10.1007/s12046-016-0533-5
• Prawin, J., Rao, A. R. M., & Lakshmi, K. (2016). Nonlinear parametric identification strategy combining reverse path and hybrid dynamic quantum particle swarm optimization. Nonlinear Dynamics, 84(2), 797–815. https://doi.org/10.1007/s11071-015-2512-0
• Lakshmi, K., & Rao, A. R. M. (2015). Damage identification technique based on time series models for LANL and ASCE benchmark structures. Insight - Non-Destructive Testing and Condition Monitoring, 57(10), 580–588.
• Rao, A. R. M., Lakshmi, K., & Krishna Kumar, S. (2015). Detection of delamination in laminated composites with limited measurements combining PCA and dynamic QPSO. Advances in Engineering Software, 86, 85–106. https://doi.org/10.1016/j.advengsoft.2015.04.007
• Prawin, J., Rao, A. R. M., & Lakshmi, K. (2015). Nonlinear identification of structures using ambient vibration data. Computers & Structures, 154, 116–134. https://doi.org/10.1016/j.compstruc.2015.04.010
• Rao, A. R. M., & Lakshmi, K. (2015). Damage diagnostic technique combining POD with time-frequency analysis and dynamic quantum PSO. Meccanica, 50, 1551–1578. https://doi.org/10.1007/s11012-015-0123-5
• Rao, A. R. M., Kasireddy, V., Gopalakrishnan, N., & Lakshmi, K. (2015). Sensor fault detection in structural health monitoring using null subspace-based approach. Journal of Intelligent Material Systems and Structures, 26(2), 172–185. https://doi.org/10.1177/1045389X14529209
• Lakshmi, K., & Rao, A. R. M. (2015). Optimal design of laminate composite plates using dynamic hybrid adaptive harmony search algorithm. Journal of Reinforced Plastics and Composites, 34(6), 493–518. https://doi.org/10.1177/0731684415570620
• Lakshmi, K., & Rao, A. R. M. (2014). A robust damage-detection technique with environmental variability combining time-series models with principal components. Nondestructive Testing and Evaluation, 29(4), 357–376. https://doi.org/10.1080/10589759.2014.895079
• Lakshmi, K., & Rao, A. R. M. (2013). Hybrid shuffled frog leaping optimisation algorithm for multi-objective optimal design of laminate composites. Computers & Structures, 125, 200–216. https://doi.org/10.1016/j.compstruc.2013.05.012
• Lakshmi, K., & Rao, A. R. M. (2013). Optimal design of laminate composite isogrid with dynamically reconfigurable quantum PSO. Structural and Multidisciplinary Optimization, 48(5), 1001–1021. https://doi.org/10.1007/s00158-013-0924-3
• Lakshmi, K., & Rao, A. R. M. (2013). Multi-objective optimal design of laminated composite skirt using hybrid NSGA. Meccanica, 48(6), 1431–1450. https://doi.org/10.1007/s11012-012-9667-2
• Lakshmi, K., & Rao, A. R. M. (2012). Multi-objective optimal design of laminate composite shells and stiffened shells. Structural Engineering and Mechanics, 43(12), 771–794.
• Rao, A. R. M., Lakshmi, K., & Venkatachalam, D. (2012). Damage diagnostic technique for structural health monitoring using POD and self-adaptive differential evolution algorithm. Computers & Structures, 106–107, 228–244. https://doi.org/10.1016/j.compstruc.2012.05.006
• Rao, A. R. M., & Lakshmi, K. (2012). Optimal design of stiffened laminate composite cylinder using a hybrid SFLA algorithm. Journal of Composite Materials, 46(24), 3031–3055. https://doi.org/10.1177/0021998311432893
• Rao, A. R. M., & Lakshmi, K. (2011). Discrete hybrid PSO algorithm for design of laminate composites with multiple objectives. Journal of Reinforced Plastics and Composites, 30(20), 1703–1727. https://doi.org/10.1177/0731684411424695
• Rao, A. R. M., & Lakshmi, K. (2011). Structural parameter estimation combining domain decomposition techniques with immune algorithm. Smart Structures and Systems, 8(4), 343–365.
• Rao, A. R. M., & Lakshmi, K. (2009). Multi-objective optimal design of hybrid laminate composite structures using scatter search. Journal of Composite Materials, 43(20), 2157–2181. https://doi.org/10.1177/0021998309345255

Patents / Copyrights