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Dr. Arunasis Chakraborty
Associate Professor

(Chartered Engineer)

Tel: +91-361-258 2430 (O);
                    258 4430 (R);

Mob: +91-9678775013

Fax: +91-361-258 2440

Email: arunasis[AT]iitg.ernet.in


Education
 
• PhD - Trinity College, Dublin, Ireland (2006)
• M.Sc.(Eng.) - Indian Institute of Science, Bangalore (2003)
• B.E. - Jadavpur University (2000)


Professional Experience
 
• Associate Professor, Department of Civil Engineering, IIT Guwahati (April 2014 to till date)
• Assistant Professor, Department of Civil Engineering, IIT Guwahati (June 2009 to March 2014)
• Bridge Design Engineer, Industrial & Commercial Division, RPS Group, Dublin, Ireland (August 2006 to March 2009)
• Research Assistant, Department of Civil Engineering, Trinity College, Dublin, Ireland (June 2003 to July 2006)
• Research Assistant, Department of Civil Engineering, IISc, Bangalore (Aug 2000 to May 2003)


Research Interest
 
• Random Vibration & Wavelet Analysis
• System Identification & Damage Detection
• Uncertainty Quantification & Reliability Based Design
 


Honors/Awards/Medals


• RPS-MCOS Award (2004)
• Visiting Research Scholar, Trinity College, Dublin (2006-2009)

• Young Scientist Research Grant from BRNS, 2012

 

Professional Membership

• Ex. Member, Engineering Mechanics Institute USA
• Member, Institute for Steel Development & Growth (MINSDAG)
• Member, The Institution of Engineers India (MIEI)

 

Publications:

 

Journals

  1. S. Mahato, M. Teja & A. Chakraborty, "Modal Parametric Identification of Reinforced Concrete Road Bridge Using Combined Wavelet-Hilbert Transformation", Journal of Civil, Structural Health Monitoring. (In Early View)

  2. S. Mahato & A. Chakraborty, "EKF Based Parameter Identification of LTI System from Seismic Response Measurements", Procedia Engineering, 144, 360-365, 2016.

  3. A. K. Rathi & A. Chakraborty, "Reliability Based Performance Optimization of TMD for Vibration Control of Structures with Uncertainty in Parameters and Excitation", Journal of Structural Control & Health Monitoring, . (Available in Early View)

  4. S. Mahato, M. Teja & A. Chakraborty, "Adaptive HHT Based Parameter Estimation using Limited Measurements of a RC Framed Building Under Multi-component Earthquake Excitations", Journal of Structural Control & Health Monitoring, 22(7), 984-1001, 2015.

  5. P. Mittal, S. Kameshwar & A. Chakraborty, "Time Dependent Gaussian Equivalent Linearization of Duffing Oscillator Using Continuous Wavelet Transform", Journal of Civil Engineering & Architecture, 7(8), 1006-1017, 2013.

  6. S. Kameshwar & A. Chakraborty, "On Reliability Evaluation of Structures Using Hermite Polynomial Chaos", International Journal of Life Cycle Reliability and Safety Engineering, SRESA, BARC, 1(4), 26-32, 2012.

  7. M. Chakraborty, A. Murali Krishna & A Chakraborty, "Reliability based performance evaluation of earth retaining structures", Georisk 2011: Risk Assessment and Management, ASCE 224, 762-769, 2011.

  8. A. Chakraborty & B. Basu, "Analysis of frequency Non-stationarity via Continuous Wavelet Transform in the Response of Primary-Secondary (P-S) Systems", ASCE Journal of Structural Engineering, 136(12), 1608-1612, 2010.

  9. B. Basu, S. Nagarajaiah & A. Chakraborty. “On-line identification of linear time-varying stiffness of structural system by wavelet analysis”, Structural Health Monitoring, 7, 21-36, 2008.

  10. A. Chakraborty & B. Basu, "Non-stationary response analysis of long span bridges under spatially varying differential support motions using continuous wavelet transform", ASCE Journal of Engineering Mechanics, 134(2), 152-162, 2008.

  11. A. Chakraborty, B. Basu & M. Mitra, "Identification of modal parameters of a MDOF system by modified L-P wavelet packets", Journal of Sound and Vibration, 295 (3-5), 827-837, 2006.

Conference

  1. A. Chakraborty & B. Basu, “Identification of fundamental mode and mode shape of a bridge using continuous wavelet transform”, SECED Young Engineers Conference, University of Bath, UK, 21st – 22nd March 2005.

  2. A. Chakraborty & B. Basu, “Wavelet based non-stationary response analysis of short span bridges”, 12th International Conference on Sound and Vibration, Lisbon, Portugal, 11th – 14th July 2005.

  3. B. Basu, S. Nagarajaiah & A. Chakraborty, “Identification of Stiffness Variations in Structural Systems by Modified Littlewood-Paley Wavelets”, European Workshop on Structural Health Monitoring, Granada, Spain, 5th – 7th July 2006.

  4. A. Chakraborty & B. Basu, “Non-stationary Response Analysis of P-S System Using Wavelet Transform”, 9th  International Conference on Recent Advances in Structural Dynamics, Southampton, UK, 17th – 19th July 2006.

  5. A. Chakraborty & B. Basu, “Wavelet based characterization of earthquake ground motions”, 1st European Conference on Earthquake Engineering and Seismology, Geneva, Switzerland, 3rd – 8th September 2006.

  6. A. Chakraborty & B. Basu, “Non-stationary response of multi-supported Spatially Extended Structures with continuous wavelet transform”, 12th International Conference of International Association for Computer Methods and Advances in Geo-mechanics (IACMAG), Goa, India, 1st - 6th October 2008.

  7. A. Chakraborty, B. Basu & S. Nagarajaiah, “Identification of Modal Parameters of Linear Systems Using Wavelet Based Time-Frequency Analysis: An Experimental Investigation”, 5th World Conference on Structural Control and Monitoring, Tokyo, Japan, 12th – 14th July 2010.

  8. M. Chakraborty, A. M. Krishna & A. Chakraborty, "Reliability based stability analysis of a cantilever retaining wall", 3rd Indian Young Geotechnical Engineers Conference (3IYGEC), New Delhi, India, 25th - 26th March 2011.

  9. A. Chakraborty, P. Mittal & S. Kameshwar, “Wavelet Based Linearization of Duffing Oscillator Subjected to Non-Stationary Excitation”, Engineering Mechanics Institute 2011, Boston, USA, 2nd – 4th June 2011.

  10. M. Chakraborty, A. M. Krishna & A. Chakraborty, "Reliability based performance evaluation of earth retaining structures", GEORISK 2011, Atlanta, GA, USA, 26th  - 28th June 2011.

  11. S. Kameshwar & A. Chakraborty, “On Reliability Evaluation of Structures Using Hermite Polynomial Chaos", International Symposium on Engineering Under Uncertainty: Safety Assessment & Management, ISEUSAM2012, BE College, Kolkata, India, 4th - 6th January 2012.

  12. S. Kameshwar & A. Chakraborty, “Constrained Statistical Linearization of Duffing Oscillator", International Symposium on Engineering Under Uncertainty: Safety Assessment & Management, ISEUSAM2012, BE College, Kolkata, India, 4th - 6th January 2012.

  13. S. Das & A. Chakraborty, "Generation of Elastic as well as Inelastic Design Spectrum Compatible Accelerogram Using Time-Frequency Analysis", 15th World Conference on Earthquake Engineering 2012, Lisbon, Portugal, 24th - 28th September 2012.

  14. S. Kameshwar, A. K. Rathi & A. Chakraborty, "A Modified Gradient Based Reliability Analysis for Non–linear Non-algebraic Limit States Using Polynomial Chaos Expansion", 4th International Congress on Computational Mechanics and Simulation 2012, IIT Hyderabad, India, 9th - 12th December 2012.

  15. M. Teja, S. Mahato & A. Chakraborty, "Modal Parameter Estimation of LTI System Using Hilbert-Huang Transform of Wireless Sensor Data", The Second Australasia and South-East Asia Structural Engineering and Construction Conference ASEA-SEC-2, Bangkok, Thailand, 3rd – 7th November, 2014.

  16. A. Goyal & A. Chakraborty, "On Parameter Estimation of LTI Systems Using Bootstrap Filters", 9th Biennial Structural Engineering Convention 2014, IIT Delhi, New Delhi, India, 22nd - 24th December 2014.

  17. A. Rathi & A. Chakraborty, "Robust Design of TMD for Vibration Control of Uncertain Systems using Adaptive Response Surface Method", 9th Biennial Structural Engineering Convention 2014, IIT Delhi, New Delhi, India, 22nd - 24th December 2014.

  18. S. Mahato & A. Chakraborty, "EKF Based Parameter Identification of LTI System using Non-stationary Seismic Response", 12TH International Conference on Vibration Problem, IIT Guwahati, India, 2015.

Teaching:

IIT GUwahati

      PG Courses

             • CE501 - Continuum Mechanics
             • CE502 - Finite Element Methods
             • CE512 - Structural Engineering Laboratory
             • CE513 - Statistical Methods in Civil Engineering
             • CE607 - Random Vibration
             • CE608 - Reliability Based Structural Design

      UG Courses

             • ME101 - Engineering Mechanics (Instructor & Tutor)
             • CE202 - Solid Mechanics
             • CE402 - Design Project

Trinity College Dublin

      UG Courses (Tutor)

             • Theory of Structures
             • Design of Steel Structures
             • Design of Concrete Structures
             • Building Materials Lab
             • RCC Lab

Conference/ Workshop/ Short Term Course
 
• Course coordinator for Seismic Design of Buildings & Bridges (29th Nov to 3rd Dec 2010)
• Organizer and member of the Technical Committee for Hybrid Renewable Energy Sources at IITG (11th - 13th Oct 2010)
• Course coordinator for NPTEL Web Course on Structural Reliability


Project Guidance:
 
PhD
  1. Amit Rathi, Meta-Model Based Analysis and Design of Structure with Uncertainty, On going.

  2. Swarup Mahato, Vibration Based Time-Frequency Analysis for Structural Identification, On going.

  3. Babla Roy, Probabilistic Methods for Structural System Identification, On going.

  4. Md. Sajeer, Topic to be decided soon, On going.

M.Tech.
  1. Joy Pal, 2011, Damage Detection Using Wavelet Transform and Genetic Algorithm. (Status: PhD Student in IIT Bombay, India)

  2. Asutosh Jha, 2012, Estimation of Low Failure Probability Using Subset Simulation. (Status: Working in Delhi Metro)

  3. Swaroop Mahato, 2013, Fragility Analysis & Performance Based Design of RC Frames. (Status: PhD Student in IIT Guwahati, India)

  4. Md. Sajeer, 2014, Passive Vibration Control under Dynamic Soil-Structure Interaction. (Status: PhD Student in IIT Guwahati, India)

  5. Sudhi Sharma, 2015, Reliability Analysis of Composite Thin Plates. (Status: Asst. Prof. in KIIT, India)

  6. Md. Reseem, 2015, Analysis of Wind Turbine Tower Using Multi-Body Dynamics Approach. (Status: Design Engineer in Atkins Global, India)

  7. Saptarshi Sharkar, Vibration Control of Tall Structures, Ongoing.

  8. Rakesh Kumar, Modeling and Analysis of Composite Wind Turbine Blade, Ongoing.

B.Tech.

  1. Prateek Kr. Mittal, 2011, Statistical Linearization of Duffing Oscillator Using Wavelet Based Time-Frequency Analysis. (Status: MS Student in UIUC, USA)

  2. S. Kameshwar, 2012, Reliability Evaluation of Structures with Parametric Uncertainty using Polynomial Chaos Expansion. (Status: PhD Student in Rice University, USA)

  3. Ravikant Sharma, 2012, Numerical Evaluation of Reliability Using FORM and Stochastic Response Surface Method. (Status: Selected in WIPRO)

  4. Abhishek Kumar, 2013, Optimal Design of Tuned Mass Damper for Randomly Excited Linear Dynamical Systems. (Status: Selected in IBM)

  5. Param Doshi, 2013, Optimal Gain Control & Performance Evaluation of Hybrid Mass Damper Systems on a Primary Structure. (Status: MS Student in Columbia University, USA)

  6. Anshul Goyal, 2014, Sequential MCMC Method for Parameters Estimation of RC Framed Structure Under Multi-component Seismic Ground Motions. (Status: MS Student in Texas Austin, USA)

  7. Meda V. Teja, 2015, Time-Frequency Based Signal Processing for Modal Identification of Structures. (Status: MS Student in Georgia Tech., USA)

Summer Intern.

  1. Kuldeep Kaushik from Assam Engineering College, 2014, Reliability Based Design RC Frames. (Status: MS Student in UBC, Canada)

  2. Ritukesh Bharali from Assam Engineering College, 2014, Comparison of Ductality and Damage Index Based Design using FORM. (Status: MS Student in TU Delft, Netherlands)

  3. Samar Kenkre from NIT Karnataka, 2015, Wavelet Based Characterization of Earthquake Ground Motion. (Status: Final Year in BTech)

 

Research/Consultancy Projects:

Sponsored Research

  1. Wavelet based damage detection in beams with transverse cracks, IITG Start-up Grant, Rs. 5 Lakhs, 23rd Oct 2009 - 22nd Oct 2011.

  2. Development of Adjustable Tuned Mass Damper for Vibration Control in Passive or Semi-active Mode, BRNS, Rs. 14.75Lakhs, 25th Oct 2012 - till date.

Consultancy Projects

  1. Safe transportation of 2x363.6 MW gas based CCPP at Palatana, Udaipur, Tripura, ABC India Ltd., April - May 2010.

  2. Checking the design of temporary RO/RO jetties/bypasses for its construction methods, load bearing capacity and gradient, ABC India Ltd., May - Sept 2010.

  3. Checking route survey from Ashugunj to Palatana & BHEL Hydrebad to Machalipattnam for safe transportation of 2x363.6 MW gas based CCPP at Palatana, Udaipur, Tripura, ABC India Ltd., June - Nov 2010.

  4. Preparation of Disaster Management Plan for Meghalaya, Govt. of Meghalaya, Aug 2011 - till date.

  5. Technical approval of 30m & 40m guyed transmission tower & its foundations, TECHNOCOM, Guwahati, Aug - Oct 2011.

  6. Review of Infrastructure Project for Defense Forces at Missamari, Indian Army, Dec 2011 - April 2014.

 

Other Activities:

Administrative Duties

• Faculty Advisor for BTech Batch 2007 (Nov 2009 - May 2011)
• Faculty-in-Charge of Departmental Webpage (Aug 2010 - July 2011)
• Convener for Summer Training Program (May 2010 - March 2014)
• Consultant for Disaster Management Base Plan for Govt. of Meghalaya
• Chairman of the Committee for Annual Verification of Assets & Stocks (2011)
• Faculty-in-Charge of Structural Engineering Laboratory (April 2012 - July 2014)
• Faculty-in-Charge for Training and Placement (July 2014 - April 2016)
• Faculty Advisor for BTech Batch joined in 2016


Reviewer

• ASCE, Journal of Structural Engineering
• ASCE, Journal of Bridge Engineering
• Journal of Structural Health Monitoring and Control
• Earthquake Engineering & Engineering Vibrations

Guest Lecture/Invited Talk

• "Earthquake Resistant Design of Masonry & RC Framed Structures", Guwahati Municipal Corporation, Guwahati,  13th June 2011.
• "Techno-Legal Regime to Ensure    Safety of Masonry and RC Framed Structures", Revenue &  Disaster Management Department, Govt. of Assam, Guwahati, 23rd June 2011.
• "RC Design & Detailing in High Seismic Zone", IGS BuildCon 2011, MAX Cement, Guwahati, 22nd July 2011.

 

Downloads
 
Course Materials:

CE607: Random Vibration

Topic Lecture Notes MATLAB Code
SDOF System CE607_LS3  
MDOF System CE607_LS3 MDOF_Ex_1, MDOF_Ex_2
Lyapunov Sol. CE607_LS5 Ex_Lyap


 

 

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