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

Professional Background

• Senior Scientist, CSIR Structural Engineering Research Centre, Chennai, 23 May 2019 to Present
• Scientist, CSIR Structural Engineering Research Centre, Chennai, May 2016 to 22 May 2019
• Fellow under quick recruitment of scientist (temporary), CSIR Structural Engineering Research Centre, Chennai, November 2014 to May 2016.
• Trainee Scientist (temporary), CSIR Structural Engineering Research Centre, Chennai, September 2012 to August 2014.
• Graduate Engineer Trainee/Senior Engineer, Buildings and Factories, Larsen and Toubro Limited ECC Division, United Arab Emirates, June 2011 to July 2012.

Areas of Scientific Interest

• Finite element method
• Structural dynamics
• Structural health monitoring
• Statistical signal processing
• Machine learning

Awards & Honours

• Received International Travel Grant and Registration Fee Support (Young Scientist Category) from Science and Engineering Research Board, to attend and present research work titled,” Nonlinear Component Extraction using singular value decomposition approach and its application to breathing crack localization” at 12^th International Workshop on Structural Health Monitoring, hosted by Stanford University, CA, USA during 10^th to 12^th Sep 2019.
• AcSIR Best Ph.D Thesis, Engineering Sciences, 2018, Academy of Scientific and Innovative Research, Ghaziabad. The award was presented by Dr. Harsh Vardhan, Minister of Science of Technology on 13^th November 2019 in Awards and Investiture Function, organized at CSIR Headquarters, New Delhi

Thesis title: Nonlinear system identification techniques for structural health monitoring

Thesis Supervisor: Dr. A. Rama Mohan Rao

• Peer Reconginzed Reviewer for several reputed international journals including Mechanical Systems and Signal Processing (Elsevier), Nonlienar Dynamics (Springer), Solids and Structures(Elsevier), Vibration and Control(SAGE) and Shock and Vibration (Hindawi).
• Dr.M.Ramaiah Prize (2 times during 2019-2020, 2017-2018) from CSIR-SERC for the best technical paper published by the scientist during that year.
• Certificate of Merit, Dr.M.Ramaiah Prize (2016-17) from CSIR-SERC for the best technical paper published by the scientist during that year.
• Best Outgoing Student Award, Department of Civil Engineering, Academic Year: 2007-2011, PSG College of Technology, Coimbatore
• K. N. Chintamani Memorial Award, for Best Undergraduate thesis titled, “Design and Analysis of Concrete Filled Tubes”, Department of Civil Engineering, Academic Year: 2007-2011, PSG College of Technology, Coimbatore

Publications

SCI Journals

• J. Prawin, “Breathing crack localization in structures based on principal component analysis of forced vibration responses” Structural Stability and Dynamics, (2020)
• J. Prawin, R. Anbarasan, “A novel Mel-frequency cepstral analysis based damage diagnostic technique using ambient vibration data” Engineering Structures, (2020) Vol.228, 111552
• J. Prawin, A. Rama Mohan Rao, Abhinav Sethi, “Parameter Identification of Systems with Multiple Disproportional Local Nonlinearities" Nonlinear Dynamics, (2020) Vol: 100, 284-315
• J. Prawin, K. Lakshmi, A. Rama Mohan Rao “Structural damage diagnosis under varying environmental conditions with very limited measurements”, Intelligent Material Systems and Structures (2019) Vol:31 (5), 665-686
• J. Prawin,"Localization of breathing crack in beam-like structures using super-harmonic components based on singular value decomposition approach."  Structural Stability and Dynamics (2019), Vol:20 (1), 2050014-1
• J. Prawin, A. Rama Mohan Rao “Detection and quantification of non-linear structural behavior using frequency domain methods”, Research in Nondestructive Evaluation (Taylor and Francis), (2019) Vol:31 (2), 69-106
• J. Prawin, A. Rama Mohan Rao “Vibration based Breathing Crack Identification using Nonlinear Intermodulation Components under Noisy Environment”, Structural Health Monitoring, (2019), 1-19, Vol:19 (1), 86-104
• J. Prawin, A. Rama Mohan Rao “Damage detection in nonlinear systems using an improved describing function approach with limited instrumentation”, Nonlinear Dynamics, Vol. 96(2) (2019), pp. 1447-1470
• J. Prawin, K. Lakshmi, A. Rama Mohan Rao “A novel vibration based breathing crack localization technique using a single sensor measurement”, Mechanical Systems and Signal Processing, Vol. 122 (2019), pp. 117-138
• J. Prawin, A. Rama Mohan Rao “Detection of nonlinear structural behaviour using time frequency and multivariate analysis”, Smart Structures and Systems, Vol. 22(6) (2018), pp. 711-725
• J. Prawin, A. Rama Mohan Rao “Reference-free Breathing crack identification of beam-like structures using an enhanced Spatial Fourier Power Spectrum with Exponential Weighting Functions”, Structural Stability and Dynamics, Vol. 19(2) (2019), 1950017(26 pages)
• J. Prawin, A. Rama Mohan Rao “A Method for Detecting Damage Induced Nonlinearity in Structures using Weighting Function Augmented Curvature Approach”, Structural Health Monitoring, Vol. 18(4) (2019), 1154-
• J. Prawin, K. Lakshmi, A. Rama Mohan Rao “A Novel Singular Spectrum Analysis based Baseline Free Approach for Fatigue-Breathing Crack Identification”, Intelligent Material Systems and Structures, Vol. 29(10) (2018), pp. 2249-2266
• J. Prawin, A. Rama Mohan Rao “An online input force time history reconstruction algorithm using dynamic principal component analysis”, Mechanical Systems and Signal Processing, Vol. 99 (2018), pp. 516-533
• J. Prawin, A. Rama Mohan Rao “Nonlinear Structural Damage Detection Based on Adaptive Volterra Filter Model”, Structural Stability and Dynamics, Vol. 18(2) (2018), 1871003(12 pages)
• J. Prawin, A. Rama Mohan Rao “Nonlinear identification of MDOF systems using Volterra series approximation”, Mechanical Systems and Signal Processing, Vol. 84 (2017), pp. 58-77.
• J. Prawin, A. Rama Mohan Rao, K. Lakshmi “Nonlinear Parametric Identification Strategy combining Reverse Path and Hybrid Dynamic Quantum Particle Swarm Optimization”, International Journal of Nonlinear Dynamics, Vol. 84(2) (2016), pp.797-815.
• J. Prawin, A. Rama Mohan Rao, K. Lakshmi “Nonlinear Identification of Structures using ambient vibration data”, Computers and Structures, Vol. 154 (2015), pp.116-134.

Non-SCI Journals & Book Chapter

• J.Prawin, “Breathing crack localization using nonlinear intermodulation based exponential weighting function augmented spatial curvature approach”, In: Recent advances in computational mechanics and simulations - select proceedings of the 7th ICCMS, Springer, Singapore (2020)
• J. Prawin, A. Rama Mohan Rao “Breathing Crack Detection using Linear Components and their Physical Insight”, Advanced Topics in Structural Vibration in Lecture Notes in Mechanical Engineering, Springer, Singapore, (2020)
• J.Prawin, A. Rama Mohan Rao, Nonlinear component extraction using singular value decomposition and its application to breathing crack localization The 12th International Workshop on Structural Health Monitoring, Stanford, California, USA, September 10-12, 2019.Lancaster, PA, USA: DEStech Publications, Inc., Electronic product—6 pp.1313-1320,2019,
• J. Prawin, A. Rama Mohan Rao “Extraction of opening and closing states of cracked structure using adaptive Volterra filter model”, Procedia Structural Integrity, Vol. 14 (2019), pp.234-241.
• J.Prawin, A. Rama Mohan Rao “Damage localization of closing cracks using a signal decomposition technique”, Frattura ed Integrità Strutturale, International Journal of the Italian Group of Fracture (ISSN 1971-8993, Vol. 48 (2019),pp.513-522
• J.Prawin, A. Rama Mohan Rao “Nonlinear system identification of breathing crack using empirical slow-flow model”, Recent Advances in Structural Engineering, Vol.1 (2019), pp.1075-1085.
• J.Prawin, A. Rama Mohan Rao “Nonlinear system identification using empirical slow-flow model”, Journal of Structural Engineering(CSIR SERC Journal), Vol. 44(3) (2017), pp. 256-264.
• J.Prawin, A. Rama Mohan Rao “Development of Polynomial Model for Cantilever Beam with Breathing Crack”, Procedia Engineering, Vol. 144 (2016), pp.1419-1425 [No. of citations: 3]
• J.Prawin, A. Rama Mohan Rao “Time-Frequency Analysis for Nonlinear Identification of Structures”, Journal of Structural Engineering(CSIR SERC Journal), Vol. 42(1) (2015), pp. 40-48.

Patents / Copyrights