surendarn@ssn.edu.in Extn: 428 Contact Information Dr. Surendar Natarajan Anna University Supervisor Recognition: 3910009 Assistant Professor – Grade III Department of Civil Engineering Dr. Surendar Natarajan Civil - SSN Telephone - SSN Research Centre
Introduction
Research
Center for Speech Technology

Dr. P. Vijayalakshmi, a distinguished academic and researcher, is a Professor and Head of the Department of Electronics and Communication Engineering. She has 28 years of experience in teaching and research, with four years dedicated exclusively to speech signal processing.

She is a Senior Member of IEEE (since 2016) and a member of the IEEE Signal Processing Society. Additionally, she is a Fellow of the Institution of Electronics and Telecommunication Engineers (IETE), reflecting her extensive contributions to the field.

Dr. Vijayalakshmi earned her Bachelor of Engineering (B.E.) degree in Electronics and Communication Engineering with First Class and Distinction from Bharathidasan University.

She has published over 120 research publications in refereed international journals and in proceedings of international conferences. As a principal investigator she is currently involved in MeiTy funded project titled “Speech Assistive Technologies” – NLTM- BHASHINI.and a DST IMPRINT IIC project on “Development of Speech-to-speech translation systems for Hindi, Tamil and English” and “Development of bidirectional Hand-gesture recognition system” funded by DST-TIDE. As co-PI she is currently involved in MeiTy, TVA, DST-CRG funded projects. Further she has completed several other projects as PI and Co-PI that are funded by MeiTy, New Delhi, AICTE, DST-TIDE, and Tamil Virtual Academy, a Government of Tamil Nadu organization, and two projects funded by SSN Trust as well. She is a recognized supervisor of Anna University and currently guiding Five fulltime Ph.D scholars in the field of Speech Technology.

Her areas of research include Speech Signal Processing, Speech Enabled Assistive technology, Speech synthesis, and Speech recognition.

She was instrumental in establishing the “Speech and language technologies lab” to carry out research in the field of speech technology. (website link – speech.ssn.edu.in)

  • Vijayalakshmi, N. Narenraju and V. Aiswarya, “Hidden Markov model-based sign language-to-speech conversion system in Tamil” Patent no. 530321.
  • Vijayalakshmi, T. Nagarajan and T.A. Mariya Celin – attended final hearing for a patent titled “A Speech-input Speech-output Communication Aid for Speakers with Cerebral Palsy” in the Indian Patent office in July 2022. (Application number: 201941031287)

Book chapters

  • Vijayalakshmi, T. Nagarajan, “Assessment and intelligibility modification for dysarthric speakers”, Chapter 3 – Voice Technologies for Reconstruction and Enhancement, De Gruyter Series in Speech Technology and Text Mining in Medicine and Healthcare, pp. 67 – 94, Feb. 2020.
  • Vijayalakshmi, T. A. Mariya Celin, T. Nagarajan, “Selective pole modification-based technique for the analysis and detection of hypernasality”, Chapter 2 – Signal and Acoustic Modelling for Speech and Communication Disorders, De Gruyter Series in Speech Technology and Text Mining in Medicine and Healthcare, pp. 33 – 68, Dec. 2018.

Anna University Supervisor Recognition: 3910009 Extn: 428 surendarn@ssn.edu.in Department of Civil Engineering Contact Information Dr. Surendar Natarajan Assistant Professor – Grade III Dr. Surendar Natarajan Civil - SSN

Name of the Examination/DegreeSubjectsArea of SpecializationName of Institute/University/Board
B.E.Civil EngineeringCivil EngineeringAnna University
M.E.Civil EngineeringHydrology & Water Resources EngineeringAnna University
Ph.D.Civil EngineeringWater Resources EngineeringNational Institute of Technology Tiruchirappalli

Name of the examination/Degree/ Post as applicable

Area of specialization/ Subjects

Name of Institute/ University/
Assistant Professor

Civil Engineering-Hydrology & Water Resources Engineering Sri Siva Subramanya Nadar (SSN) College of Engineering till date

Research Internship

Research Internship in Advance Fluid MechanicsFluid Mechanics DivisionIIT Madras
Research Internship in Irrigation & Water resourcesCivil EngineeringCollege of Engineering, Guindy, Anna University
Research Internship in Rainfall Runoff Modeling

Civil Engineering- Water resourcesIIT Hyderabad

(Anna University Supervisor Recognition Ref. No.: 3910009)

  • Isotopic Hydrology
  • Flood Modeling
  • Groundwater hydrology
  • Geospatial techniques in urban modeling
  • Urban Heat Island studies
  • Soil Erosion & Landslide mapping
  • Structural behaviour of T-support in the Pipe Rack System, Research Grant from TNSCST, Rs, 7,500, 2024 (Student Project- On going)
  • Structural Behaviour of Deficient Hollow Steel Stub Columns Strengthened using GFRP, Research Grant from TNSCST, Rs, 7,500, 2023 (Student Project- Completed)
  • Performance of hybrid fibre-reinforced cellular lightweight concrete incorporating nanoparticles, Research grant from SSN Trust, Rs 2.1 Lakhs, 2023-2026(Co-PI – On going)
  • Prediction of Mechanical Properties of Nano-Concrete Using Artificial Neural Networks and Fuzzy Logic, Research grant from SSN Trust, Rs 5.2 Lakhs, 2019-2022(Co-PI - Completed)
  • Study on the behavior of Composite Space Truss Structure for Varying Shear Connectors, Research grant from SSN Trust, Rs 4.5 Lakhs, 2019-2022(As PI - Completed)
  • Effect of Thermal Radiation and MHD Flow of Water-Based Nanofluid Over a Stretching Sheet, Research grant from SSN Trust, Rs 0.5 Lakhs, 2018(As Co-PI - Completed)
  • An analyses and design of structural components to a residential building, Vickramsingapuram, Tirunelveli, Consultancy service rendered, Rs 10,000, 2023.
  • Consultancy services to a Residential building, Vickramsingapuram, Tirunelveli for Rs 10,000 in 2023.
  • Consultancy services to Aryabhata Brandt Urban Analytics Pvt. Ltd. for Rs. 55,000 in 2024.
  • Consultancy services to Advance Machine and Automation Technologies India Pvt. Ltd. for Rs. 35,400, in 2025.
  • Best Teacher Award by SSN College of Engineering (2013 to 2023)
  • Best Paper Award in 2nd International Conference on Recent Trends in Construction Materials and Structures, organised by VIT Vellore and Swinburn University of Technology, Malaysia, from 25th-26th, Nov 2021.Bronze medal, Malaysia Technology Expo 2013 (MTE 2013).
  • Editorial Board Member of Advances in Materials Science and Engineering (Hindawi) and Scientific Report (Springer)
  • Life member, Indian Concrete Institute (ICI)

Journal Publication

  • P. Sangeetha, Harika Madireddy, B. Varshini & R. B. Yokesh, “Effect of External Ring Stiffener on the Chord Members of Cold‑Formed Steel T‑Joints Under Combined Axial Compression and Bending”, International Journal of Steel Structures, 2024, 24(2):296–309.
  • Ninu Praseetha N.S, P.Kaythry, P.Sangeetha, Devavaram Jebaraj, Santhosh Srinivas, Karan K & Devadharshini, “Effect of External Ring Stiffener on the Chord Members of Cold‑Formed Steel T‑Joints Under Combined Axial Compression and Bending”, MATEC Web of Conferences, 2024,  400: 02012.
  • Sangeetha Palanivelu & Shanmugapriya Marayanagaraj, “Predicting the strength of seashell concrete using Adaptive Neuro-Fuzzy Inference System: An experimental study”, ITECKNE, 2024, 11: 1-19.
  • P. Sangeetha, V.E. Annamalai & P. Kaythry, “Durability studies on concrete with partial replacement of cement and coarse aggregate by seashell waste”, Materials Today: Proceedings, 2024, 61: 1-12.
  • P. Naveenkumar, R. Prakash & P. Sangeetha, “Analytical and Experimental Comparison of the Composite Space Truss with Plain and Profiled Decking Sheets Employing Headed-Stud and Channel-Stud Shear Connector”, Arabian Journal for Science and Engineering, 2024, 49: 4581-4596.
  • Sangeetha Palanivelu , “Behaviour of cold-formed steel built-up beams under flexural loading”, Building Materials and Structures, 2023, 66: 2300011P.
  • Sangeetha Palanivelu & Sathya Shree T R, “Comparison of Air Pollutants and Air Quality Index using Spatio-Temporal Variation in Chennai City, Tamil Nadu”, E3S Web of Conferences, 2023, 405: 1-24.
  • Abidhan Bardhan, Abdel Kareem Alzo’ubi, Sangeetha P, Pouria Hamidian, Anasua GuhaRay , Gaurav Kumar, Markos Tsoukalas & P G. Asteris, “A hybrid approach of ANN and improved PSO for estimating soaked CBR of subgrade soils of heavy-haul railway corridor”, International Journal of Pavement Engineering, 2023, 24(1): 1-23.
  • Sangeetha, P & Shanmugapriya M, “Predicting the shoreline changes in Vishakhapatnam coastal zone using Multi-output Adaptive Neuro Fuzzy Inference System”, Computational Ecology and Software, 2023, 13(1): 1-19. 
  • Sangeetha, P., “Assessment of air quality index and pollutants in Chennai city, India: Pre-Covid and during- Covid period”, Proceedings of the International Academy of Ecology and Environmental Sciences, 2022, 12(4): 269-280.
  • Pauline T., Sangeetha P., Janardhanan G. & Ashok V., “Experimental & analytical behaviour and performance of structural joints retrofitted with woven wire mesh concreting under reversed cyclic loading”, European Journal of Environmental and Civil Engineering, 2022, 66:16, 8561-8583, DOI: 10.1080/19648189.2022.2112623.
  • P. Sangeetha, M. Vaishnavi, A. Modhagapriyan & T. Rajarajan., “Effect of batten plates on the unlipped channel CFS built- up column under axial compression”, Materials Today: Proceedings, 2022, 66: 1796 – 1804.
  • Sangeetha P, Shanmugapriya M, Manjula R, Aparna P.Vijay & Soorai K, “ Study the effect of intermediate and closer stiffener on the behaviour of the cold - formed steel lipped channel section under axial compression”, Journal of Materials and Engineering Structures, 2022, 9: 49-60.
  • P. Sangeetha, M. Shanmugapriya, K. Santhosh Saravanan, P. Prabhakaran & V. Shashanka, " Mechanical properties of concrete with seashell waste as partial replacement of cement and aggregate", Materials Today: Proceedings, 2022, 61:320-326.
  • Y.K. Sabapathy, P. Sangeetha, J. Jayakarthik, S. Babu, N. Mohanned Duraid Falih, P. Shreeram, " An experimental study on interconnected shear connector in steel - Concrete composite structure", Materials Today: Proceedings, 2022, 64:948-955.
  • R. Sundareswaran, P. Sangeetha, M. Shanmugapriya, M. Thaga Sheriff, M. Benasir, A. Shri Thrisha, R. Sathyaprakash, " Assessment of structural cracks in buildings using single-valued neutrosophic DEMATEL model", Materials Today: Proceedings, 2022, 65:1078-1085.
  • P. Sangeetha, M. Vaishnavi, A. Modhagapriyan & T. Rajarajan, " Effect of batten plates on the unlipped channel CFS built- up column under axial compression", Materials Today: Proceedings, 2022, 66: 1796-1804.
  • Ajay Nair, Hemalatha R., P. Sangeetha, Harish Kumar K., Dinesh Kumar P., Inakota Sai Sahith and S. Radha, "Efficient crack detection and quantification in concrete structures using IoT", Australian Journal of Electrical and Electronics Engineering, 2021, 18(1): 43–57
  • Shanmugapriya M & Sangeetha P, “Neural Network Modeling of Convection Heat Transfer Coefficient for the Cassion Nanofluid”, TWMS Journal of Applied and Engineering Mathematics, 2021, 11(28): 248-257. IF: 0.48.
  • Sangeetha P, Dinesh Kumar P, Sai Sahith I & Ajaykumar A. “Experimental Investigation on the Cold-Formed Steel-Concrete Composite Beam Under Flexure”, Journal of Materials and Engineering Structures, 2021, 8: 135-142.
  • P. Sangeetha and M. Shanmugapriya, "Modeling and prediction of fatigue life of brass and EN24 steel using soft computing tool", Materials Today: Proceedings, 2021, 38: 2912–2918.
  • P. Sangeetha, S.M.Revathi, V.Sudhakar, D.Swarnavarshini and S.Sweatha, "Behaviour of cold-formed steel hollow beam with perforation under flexural loading", Materials Today: Proceedings , 2021,  38(5): 3103-3109.
  • M. Shanmugapriya, P. Sangeetha & Bapiji Pullepu., " Evaluation of entropy generation with thermal radiation on MHD Carreau fluid stream past a wedge", Materials Today: Proceeding, 2021, 38(5):3283-3290. 
  • P. Sangeetha, R. Sundareswaran, M. Shanmugapriya, S.  Srinidhi & K.Sowmya, " Influential nodes in planar trusses and meshes using centrality measures", Materials Today : Proceedings, 2021, 42(2):932-939.
  • Sangeetha, P., Ramanagopal, P., Manjula, R., Hema Naga Sri Puspha Swetha, T.: “Experimental and Analytical Study on the Impact Behavior of Steel–Concrete Composite Slab”, Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS, 2021, 22:1-13.
  • Sabarinathan P, Annamalai V E & Sangeetha P, “Mechanical and Abrasion Resistance Properties of Concrete Containing Recycled Abrasive Waste as Partial Replacement of Fine Aggregate”, Arabian Journal of Science and Technology (Springer), 2021, 46: 10943-10952.
  • Naveen Kumar, P, Prakash, R & Sangeetha P., “Analytical Study on the Behaviour of Composite Space Truss Structures with Openings in a Concrete Slab”, Civil and Environmental Engineering Report, 2020, 30(3): 265-280
  • Sangeetha P, Ramanagopal S, Jai Vigneshwar A, Vaishnavi K & Srinidhi A, “Flexural Strength of Steel-Concrtee Composite Beams under Two-Point Loading”, Civil and Environmental Engineering Report, 2020, 30(4): 21-32. 
  • Sangeetha P & Shanmugapriya M, “GFRP Wrapped Concrete Column Compressive Strength Prediction Through Neural Network”, SN Applied Sciences (Springer), 2020, 2: 2036. 
  • Sangeetha P & Shanmugapriya M, “Prediction of Mechanical Strength of Polypropylene Fibre Reinforced Concrete using Artificial Neural Network”, Building Materials and Structures, 2020, 63(4): 79-86. 
  • Sangeetha P, Dhinagaran M, Gobinaath S, & Jeevan Raj D, “Strength Enhancement of Cold-Formed Steel Tubular Column using GFRP Strip Subjected to axial Compression”, Building Materials and Structures, 2021, 64: 251-260. 
  • Sangeetha P, “Flexural Behaviour of a Cold-Formed Steel-Concrete Composite Beam with Channel Type Shear Connector-An Experimental and Analytical Study”, Civil and Environmental Engineering Report, 2019, 29(3): 228-240. 
  • P. Sangeetha, & R. Senthil, " Experimental study on the service load behaviour of the composite space truss ", Journal of Structural Engineering, 2018, 44(6): 632-636.
  • Shanmugapriya M & Sangeetha P, “Entropy Generation Analysis of Cu-water nanofluid flow over a moving Wedge”, Desalination and Water Treatment, 2018, 121: 14-21. 
  •  
  • Sangeetha P, “Parametric Study on the Stiffness and Energy Absorption Capacity of Composite Space Truss”, International Journal of Advanced and Applied Sciences, 2017. 4(9):1-5. 
  • Sangeetha P & Senthil R, “A Study on Ultimate Behaviour of Composite Space Truss”, KSCE Journal of Civil Engineering, 2017, 2(3):950-954. DOI: I 10.1007/s12205-016-0920-8. 
  • Sangeetha P & Senthil R, “Experimental Behaviour of Steel Tubular Columns for Varying in Filled Concrete”, Archives of Civil Engineering, 2017, 13(4):149-160. 
  • P. Sangeetha, Vijayalakshmi R& S. Ramanagopal, “Study on Effect of Bacteria in Bagasse Ash Concrete”, International Journal of Civil Engineering and Technology, 2017,8: 45-52.
  • P. Sangeetha & R. Senthil, “Analytical study on the influence of concrete parameters on composite space truss”, International Journal of Advanced Engineering Technology, 2016, 8: 184-188.
  • Srinivas K, Sangeetha P, V.Prashaanth, Srivatsan D & Venkatesh S, “Fatigue Behaviour of Metals under various surface finishes”, IOSR Journal of Mechanical and Civil Engineering, 2016, 13: 115-120.
  • P. Sangeetha, P. Naveen Kumar & R. Senthil, “Finite Element Analysis of Space Truss using MatLab”, ARPN Journal of Engineering and Applied Sciences, 2015, 10: 3812-3816.
  • Vijayalakshmi R & P. Sangeetha, “Strength and Durability of the mortar cube with Bagasse Ash International”, Journal of Civil Engineering and Applications, 2015, 5: 23-30.
  • P. Sangeetha, “Study on the compression and impact strength of GFRC with a combination of admixtures”, Journal of Engineering Research and Studies, 2011, 2: 36-40.
  • P Sangeetha & R Sumathi, “Behavior of glass fibre wrapped concrete columns under uniaxial compression”, International Journal of Advanced Engineering Technology, 2010, 1: 74-83.
  • P. Sangeetha, “Analysis of FRP wrapped concrete columns under uniaxial compression”, Journal of Scientific and Industrial Research, 2007, 66: 235-242.

Conference Publication:

  • P. Sangeetha, M. Shanmugapriya, R. Manjula & U. Amrutha, “Experimental and Analytical Study on the Behaviour of the Steel-Concrete Composite Beam”, AIP Conference Proceeding, 2019, 020044:1-9.
  • P. Sangeetha, S. Ramanagopal, A, Jai Vigneshwar, A. Shrinidhi & K. Vaishnavi, “Study on the Behaviour of the Cold Formed Steel Box Struts under Axial Compression”, AIP Conference Proceeding, 2019, 020045:1-8.
  • P. Sangeetha & M. Shanmugapriya, “Artificial neural network applications in fiber reinforced concrete”, Journal of Physics: Conference Series, 2020, 1706: 012113- 1-8.
  • P. Sangeetha, M Shanmugapriya, R Sundareswaran, K Sowmya and S Srinidhi, “Study of the Concrete Production Process -A graph theoretic approach”, Journal of Physics: Conference Series, 2020, 1706: 012115 -1-10.
  • Sangeetha, P., Prithika Saishree, S., Sheena Grace, D., Yuvalatha, P., Yuvarani, P, “Effect of External Ring Stiffener and GFRP Strip Wrapping on the Buckling Behaviour of Cold-Formed Steel Tubular (CFST) Colum”, Lecture Notes in Civil Engineering, 2023, 201:214 - 455. 
  • S. N. Vinothni and P. Sangeetha, “Space Frame Structure as Roof and Floor System—A Review”, Lecture Notes in Civil Engineering, 2022, 179:291-298.
  • T. Pauline, G. Janardhanan, P. Sangeetha, and V. Ashok, “Retrofitting of Exterior Beam-Column Joint—A Review”, Lecture Notes in Civil Engineering, 2022, 179:279-289.
  • P. Sangeetha, M. Dhinagaran, A. S. Gobinaath, R. S. Saravana Kumar, and A. D. Jeevan Raj, “Performance Assessment of the Perforated CFS Unlipped and Lipped Channel Section Under Compression”, Lecture Notes in Civil Engineering, 2022, 179:265-277.
  • P. Sangeetha, S. Ramanagopal, U. Amrutha, A. Balasubramaniam, V. Madhumitha, and G. Arun, “Experimental Study of the Headed Stud Connectors in Composite Structure”, Lecture Notes in Civil Engineering, 2022, 79:173-181.
  • P. Sangeetha, M. Shanmugapriya, Aaditya Jagadeesh, and K. Deveshwar, “Numerical and Experimental Evaluation on the Behaviour of Cold-Formed Steel Box Struts and Prediction of Experimental Results Using Artificial Neural Networks”, Lecture Notes in Civil Engineering, 2020 79: 349-357.
  • P. Sangeetha, R. Vijayalakshmi, Aaditya Jagadeesh, S. Ahalya, K. Deveshwar, and D. Swarna Varshini, “Push-Out Tests for Determining the Strength and Stiffness of the Channel Connectors—Experimental Study”, Lecture Notes in Civil Engineering, 2020, 79: 163-171
  • P. Sangeetha, R. Senthil, P. Naveen Kumar, " Influence of Design Parameters on composite and Non composite Space Truss Structure Analyzed Using ANSYS", Advances in Manufacturing Processes-Lecture Notes in Mechanical Engineering, 2019: 111-121.
  • Development of Steel Deck Infilled Concrete Wall with Hooks for Disaster Protection – Application No - 202441050092 (Published). 2024.
  • Flat steel and Hexagonal threaded Bolt Shear Connector for Composite Space Truss Systems - Application No - 202541007627 (Filed). 2025.
  • Engineering Mechanics
  • Structural Analysis
  • Advanced structural analysis
  • Mechanics of Solids
  • Construction materials 
  • Construction Techniques, Equipment and Practices
  • Mechanics of Fluids
  • Structural Design and Drawing
  • Structural Dynamics and Earthquake Engineering
  • Design of Steel Structures
  • Design of RC elements
  • Industrial Structures
  • Finite Element Analysis
  • Estimation and Costing
  • Repair and Rehabilitation of Structures
  • Number of PhD scholars completed: 1
  • Number of PhD scholars ongoing: 5
  • Number of MS (Research) scholars completed: Nil
  • Number of MS (Research) scholars ongoing: Nil
Research profile IDs

Google Scholar IDhttps://scholar.google.com/citations?user=8oC99rAAAAAJ&hl=en&oi=ao
Scopus Author ID57220657315