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a. Dr. Hari Krishna Gaddam is an Assistant Professor in the School of Transportation Planning and Design at National Rail and Transportation Institute (NRTI) since November 2020 where he teaches courses in transportation systems design, urban transportation planning, urban transportation management and control, transportation models and quantitative methods. He was a research scholar at Indian Institute of Technology from 20014 to 2019 and worked as a faculty in the Department of Civil Engineering at SRM University AP from August 2020 to November 2020. Dr. Hari has published articles in several reputed journals and conferences. He has total 22 publications so far and also acting as reviewer for highly regarded journal papers and conferences. He has been invited to deliver expert talks in various universities across India and also acted as a chair and co-chair in conferences. Dr. Hari is interested in working transportation and related interdisciplinary areas especially Mathematical Modelling, Traffic flow simulation, AI and ML Applications and disruptive Technologies. Contact: E: harikrishna.g@nrti.edu.in, M: +919643287363

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Education

  • 2014 – 2019 Ph.D. Transportation Engineering Indian Institute of Technology Delhi (IITD), Delhi, India PhD Thesis Title “Higher Order Continuum Modeling Methodologies for Non-Lane Based Heterogeneous Traffic Environment
  • 2007 - 2009 M.Tech, Transportation Engineering National Institute of Technology Warangal (NITW), Telangana, India. M.Tech Thesis Title: “Microscopic simulation for Mixed Traffic Condition”
  • 2002 - 2006 B.TECH, Civil Engineering Jawaharlal Nehru Technological University Anantapur (JNTU-A) (Campus), Andhra Pradesh, India
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Experience

  • He has total experience of 6 years in which 5 years in teaching and 1 year in Industry. Earlier worked in TATA Projects as a Management Trainee and SRM, VIT and JK SPSU Universities as Assistant Professor.
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Professional Distinctions

  • 2017 International Travel Grant Awarded by Science and Engineering Research Board (SERB), Department of Science and Technology (DST) Awarded for to attend a conference in Washington, D.C.
  • 2017 Fellowship for international Travel Awarded by Ministry of Urban Development (MOUD), Government of India
  • 2014-18 Fellowship for Pursuing Ph.D. Awarded by Ministry of Human Resource Development (MHRD), Government of India
  • 2007-09 Fellowship for Pursuing Masters Awarded by Ministry of Human Resource Development (MHRD), Government of India (ALL India GATE RANK -103 with 98.77 percentile)
  • 1. Physica A: Statistical Mechanics and its Applications – SCI Indexed
  • 2. Transportation Research Record- Transportation Research Board Journal (ACP 40 and ACP 80)- SCI Indexed
  • 3. Innovative Infrastructure solutions- (IISS)- Scopus Indexed
  • 4. Archives of Transport – ESCI Indexed and web of science Indexed
  • 5. Conference of Transportation Research Group of India (CTRG)
  • c) Guest Lectures/Invited Talks
  • 1. Expert Talk on “Higher-Order Continuum Models for Studying Vehicular and Driver Behavior” in 3rd International conference on Advances in Civil Engineering (ICACE – 2021), 25th -26th June 2021. Organized by K.L. University, Vijayawada, Andhra Pradesh
  • 2. Expert Talk on “Application of Machine Learning Tools in Pavement Distress Analysis” in One Week Faculty Development Programme on Advances in structural Engineering Concrete during June 7th, 2021 – June 12th, 2021. Organized by K.L. University, Vijayawada, Andhra Pradesh
  • 3. Expert Talk on “Application of Machine Learning Tools in Concrete Mix Design” in One Week Faculty Development Programme on Advances in structural Engineering Concrete during June 7th, 2021 – June 12th, 2021. Organized by K.L. University, Vijayawada, Andhra Pradesh.
  • 4. Expert Talk on “Forensic Analysis of Traffic Accidents” delivered in Advances in Transportation Sector: Techno-management Challenges" organized by NRTI from 25th -27th December 2020.
  • 5. Expert Talk on “Analysis of Traffic Accidents using Statistics and Physics Principles” in One Week Short Term Training Programme on Forensic Analysis Applications in Transportation Engineering (Recent Trends and Technics) during August 24, 2020 – August 29, 2020. Organized by V. R. Siddhartha Engineering College, Vijayawada, Andhra Pradesh
  • 6. Guest lecture on “Application of Artificial Intelligence Techniques in Civil Engineering” on the occasion of National Workshop on Emerging technologies in Civil Engineering 2019 delivered at VIGNAN University on December 19th, 2019.
  • 7. Guest lecture on “Optimization of concrete mix design using ANN” delivered at Dhanekula Institute of Technology, Vijayawada on July 18th, 2019 during the inauguration of ICI chapter.
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Key Publications

  • Research papers on mathematical modelling of traffic flow, roundabout capacity analysis, calibration and validation of simulation parameters and pedestrian emergency evacuation studies are published in some high impact journals such as Journal of intelligent transportation systems- Taylor and Francis, International journal of modern physics- World Scientific, Journal of modern transportation- Springer Nature, Archives of Transport, Collective Dynamics and some important conferences in transportation field such as Transportation Research Board (TRB), Traffic and Granular Flow (TGF), Pedestrian and Evacuation Dynamics (PED) proceedings and so on.
  • 1. Hari Krishna Gaddam and K. Ramachandra Rao. Higher-Order Continuum Model and Its Numerical Solutions for Heterogeneous Traffic Flow with Non- Lane Discipline. In: Hamdar S. (eds) Traffic and Granular Flow '17. TGF 2017. Springer, Cham. https://doi.org/10.1007/978-3-030-11440-4_3.
  • 2. Vaibhav Negi, Hari Krishna Gaddam, K. Ramachandra Rao., Driver Gap Acceptance Characteristics at Roundabouts and Meta-analysis of Recent Studies in India, Transportation in Developing Economies,7, 5 (2021). https://doi.org/10.1007/s40890-021-00112-9.
  • 3. Hari Krishna Gaddam and K. Ramachandra Rao. A Two-Sided Lateral Gap Continuum Model and Its Numerical Analysis for Non- Lane Based Heterogeneous Traffic. Journal of Intelligent Transportation Systems (JITS) – Technology, Planning and operation, https://doi.org/10.1080/15472450.2020.1775086
  • 4. Vanumu, L.D., Arya, A., Hari Krishna Gaddam. and Rao, K.R. Modelling emergency evacuation of classroom with different age profiles. Collective Dynamics, 5, pp.374-381. http://dx.doi.org/10.17815/CD.2020.96.
  • 5. Hari Krishna Gaddam, Asha Kumari Meena and K. Ramachandra Rao. KdV-Berger Solution and Local Cluster Effect of Two-Sided Lateral Gap Continuum Model. International Journal of Modern Physics – Part B. Vol. 33, No. 15, 1950153 (2019). https://doi.org/10.1142/S0217979219501534
  • 6. Hari Krishna Gaddam and K. Ramachandra Rao. Speed - Density Functional Relationship for Heterogeneous Traffic Data: A Statistical and Theoretical Investigation. Journal of Modern Transportation- Vol.27, Issue.1, 2019. https://doi.org/10.1007/s40534-018-0177-7.
  • 7. Arroju, Ramu, Hari Krishna Gaddam, Lakshmi Devi Vanumu, and K. Ramachandra Rao. Comparative evaluation of roundabout capacities under heterogeneous traffic conditions. Journal of Modern Transportation, Vol. 23, No. 4 (2015): 310-324. https://doi.org/10.1007/s40534-015-0089-8.
  • 8. Raghuram Kadali, Surya SSR Gadiraju, Hari Krishna Gaddam, Analysis of Travellers Risk Perceptions about Public Transit Systems during COVID-19 Pandemic, Transportation Research Board (TRB) 101st Annual Meeting, Washington D.C. 2022.
  • 9. Hari Krishna Gaddam, K. Ramachandra Rao., Macroscopic Continuum Models for Non-Lane Based Heterogeneous Traffic Environment- A Methodological Review. Transportation Research Board (TRB) - 98th Annual Meeting, Washington D.C. USA, January 2019.
  • 10. Hari Krishna Gaddam, K. Ramachandra Rao., Calibration of Non-Lane based Macroscopic Continuum Model -Applying Global Search Algorithms. Mathematics Applied in Transport and Traffic Systems (MATTS-2018), TU Delft, Netherlands, October 2018.
  • 11. Lakshmi Devi Vanumu, Aditya Arya, Hari Krishna Gaddam, and K. Ramachandra Rao. Modelling Emergency Evacuation of Classroom with Different Age Profiles. 9th Pedestrian and Evacuation Dynamics (PED-2018). Lund, Sweden, August 2018.
  • 12. Hari Krishna Gaddam, K. Ramachandra Rao., Higher-Order Continuum Model and Its Numerical Solution for Heterogeneous Traffic Flow with Non- Lane discipline. 12th edition of Traffic and Granular Flow (TGF-17), George Washington University, Washington, D.C, USA, July 2017.
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Research Area(s)

  • Dr. Hari focuses on the following areas of transportation domain majorly studying the interaction between the vehicles, pedestrian and infrastructure using Mathematics, simulation and statistics.
  • 1. Macroscopic modelling of vehicular and pedestrian flow
  • 2. Capacity and LOS modelling of transport elements
  • 3. Emergency evacuation studies
  • 4. Behavioural characteristics of human elements in transport system
  • 5. Machine learning application in transportation engineering
  • 6. Disruptive technologies and their impact on transportation

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