Birla Institute of Technology, Mesra
   
Dr. Rajeev Sahay
Professor, Civil Engineering
Ph.D
Contact Address
Permanent Address
Local Address Civil Engineering Department, BIT Patna-14
Phone (Office) 06123213107
Phone Residence
Email Id rajeev_sahay@yahoo.com
Joined Institute on : 6-Jan-2004
  Research Areas
 

 Water Resources Engineering

   Publications
 

Publication: Total - 45

International Journal: 14

•    Sahay, R. R. and Dutta, S. (2009) Prediction of longitudinal dispersion coefficients in natural rivers using genetic algorithm. Hydrology Research, 40.6 544-552. ISSN Print: 0029-1277    (ISI indexed, IF= 1.94)Research | 40.6 | 2009
•    Sahay, R. R. (2011) Prediction of longitudinal dispersion coefficients in natural rivers using artificial neural network. Environ Fluid Mech 11:247–261, Springer. ISSN (printed): 1567-7419 (electronic): 1573-1510  (ISI indexed, IF= 1.9)

•    Sahay, R. R.  (2011), Life forecasting of Getalsud reservoir based on sedimentation: a case study in India. Lake & Reservoirs: Research and Management, Wiley-Blackwell, 16:1-6. ISSN 1320-5331 (ISI indexed)

•    Misra, A. and Sahay, R. R. (2011) Well Parameters’ Estimation using Traditional and Non-traditional Methods. International Journal of Earth Sciences and Engineering, ISSN 0974-5904, Volume 04, No 06 SPL, October 2011, pp. 235-238.

•    Sharma, S., Jain, P. R. and Sahay, R. R. (2011) Predicting Discharge in Tidally Affected Rivers Using Genetic Algorithm. International Journal of Earth Sciences and Engineering, ISSN 0974-5904, Volume 04, No 06 SPL, October 2011, 239-242.

•    Sahay, R. R.  (2012) Predicting Transient Storage Model Parameters of Rivers by Genetic Algorithm. Water Resour Manage, Springer, 26: 3667-3685. DOI 10.1007/s11269-012-0092-3, 2012. ISSN: 0920-4741 (print version), ISSN: 1573-1650 (electronic version) (ISI indexed, IF= 2.46)

•    Sahay, R. R.  and Sehgal, V. (2013) Wavelet regression models for predicting flood stages in rivers: a case study in Eastern India. J. of flood risk management, Vol. 6, pp. 146-155. (ISI indexed, IF= 1.2)

•    Sahay, R. R. (2013) Predicting longitudinal dispersion coefficients in sinuous rivers by genetic algorithm. J. Hydrol. Hydromech., 61, 2013, 3, 214–221, DOI: 10.2478/johh-2013-0028 (ISI indexed)


•    Sahay, R. R. and Srivastava, A. (2014) Predicting monsoon floods in rivers embedding wavelet transform, genetic algorithm and neural network, Water Resources Management, Springer, 10.1007/s11269-013-0446-5, 28:301–317 (ISI indexed, IF= 2.46)

•    Sahay, R. R. (2013) “Predicting dispersion coefficient in free-flowing zones of rivers by genetic programming” International journal of Environmental, Earth Science and Engineering, Vol. 7, No. 2, 1068-1073.

•    Sehgal, V., Sahay, R. R.  and Chatterjee, C. (2014). Effect of utilization of discrete wavelet components on flood forecasting performance of wavelet based ANFIS models.
Water Resources Management, Springer, 28:301–317, DOI 10.1007/s11269-014-0584-4 (ISI indexed, IF= 2.46)

*. Sahay, R. R.  and Sehgal, V. (2014). Wavelet ANFIS Models for Forecasting Monsoon Flows: Case Study for the Gandak River (India). ISSN 0097 8078, Water Resources, 2014, Vol. 41, No. 5, pp. 574–582. Springer. (ISI indexed, IF= 0.4)

*. A. Burman, S. P. Acharya, R. R. Sahay, D. Maity (2015). A Comparative Study Of Slope Stability Analysis Using Traditional Limit Equilibrium Method And Finite Element Method. Asian Journal of Civil Engineering 01/2015; 16(4):467-492. ISSN: 15630854

*. Sahay, R. R. (2015) Predicting Residence Time of Pollutants in Transient Storage Zones of Rivers by Genetic Programming. International Journal of Environmental, Chemical, Ecological, Geological and Geophysical Engineering (World Academy of Science). Vol: 9, No:2, 2015.


National Journal: 7


•    Sahay, R. R. (2010) Optimal sizing of a multiple reservoir system using simulation linked dynamic programming. Journal of Soil and Water Sciences, Aug, 10, vol III No. 3, 22-26, ISSN 0974-6560
•    Sahay, R. R.  (2011) Prediction of one-day ahead flood-levels of Kosi River using neural networks. Journal of Soil and Water Sciences, Aug, 10, vol IV No. 3 (2011), 7-16. ISSN 0974-6560
•    Sahay, R. R. and Chakraborty, A. (2012) Predicting river floods using discreet wavelet transform. Journal of Soil and Water Sciences, Feb, vol V No. 1 , 29-41. ISSN 0974-6560

•    Sahay, R. R. (2013) Estimating Stream Depletion due to a Nearby Well Pumping (DOI: 10.1007/s40030-013-0036-9), Journal of The Institution of Engineers (India): Series A. 94(1):15-21, Print ISSN 2250-2149; Online ISSN 2250-2157 Publisher Springer India

•    Sehgal Vinit and Sahay, R. R. (2012) Monsoon flood forecasting in Gandak River using discreet wavelet transform. Recent Trends in Civil Engineering & Technology (ISSN: 2249-8753), Vol. 3, Issue I, April 2012, 1-9.

•    Sahay, R. R., Ravi Prakash, Amrit Anand, Prashant Koushik (2013), Modeling Evapotranspiration Using Artificial Neural Networks, Recent Trends in Civil Engineering & Technology ISSN: 2249 –8753, 1-7.
•    Sahay, R. R. (2014). Coupled wavelet-autoregression models for predicting monsoon flows for the Kosi River (India). IOSR Journal of Mechanical and Civil Engineering, 43-53. [e-ISSN:2278-1684, p-ISSN:2320-334X].

International Conference:     9

•    System Simulation of a Complex-multi-reservoir System- A case study – Third International R & D conference, Jabalpur, 2000 (Sponsored by C.B.I.P.).

•    Monthly River Flow Modelling Using Neural Networks - A Case Study in Central India. International Seminar in Agriculture University Raipur, (2007).

•    Optimal Storage of A Multi-Reservoir System Using Combined Simulation and Genetic Algorithm. Proceedings of WEES (Water, Environment, Energy, and Society), Jan 12-16 (2009), page 1041-44, ISBN 978-81-8424-400-7.

•    Discharge Estimation in Tidally Affected Rivers Using Artificial Neural Networks.
Proc. Int. Conf. on Sustainable Water Resources Manag. Organized by NIT Durgapur, Feb 17-19, 2011, Page 156-166. ISBN. 9789380663173.

•    Neural Networks for Real Time River flood modeling and prediction.  Proc. Int. Conf. on Sustainable Water Resources Manag. organized by NIT Durgapur, Feb 17-19, 2011, ISBN. 9789380663173.
•    Sahay, R. R. Modeling river-stage using wavelet-neural network conjunction model. Proceed. International conf. on Environmentally Sustainable Urban Ecosystem, IIT Guwahati, 24-26Feb’2012.

•    Saif, A. H. and Sahay, R. R. Predicting monsoon flows in Kosi River using ANN and ANFIS techniques. Proc. of International meet on Impact of climatic change on water resources, 17-18 Aug’2012 in Karunya university, Coimbatore, Tamil Nadu.

•    S. P. Acharya, A. Burman, R. R. Sahay  and D. Maity. Slope Stability Analysis Using Finite Element Method and Limit Equilibrium Methods. International Congress on Computational Mechanics and Simulation (ICCMS), IIT Hyderabad, 10-12 December 2012.
•    Kumar, M. And Sahay, R. R. (2014). Coupled  Genetic Algorithm-Neural Network Model for Forecasting Monsoon Floods in Kosi River at Baltara (India). Bihar Science Congress, M. M. College, Patna, 22-24 Dec 2014



•    National Conference:  15
•    Artificial groundwater recharge- methods and techniques. National conference on rain water harvesting and ground water recharge, 2002, Water and land management Institute, Patna.
•    Determinants of sprinkler irrigation system., National seminar on water resources development, Birla Institute of Technology, Mesra, 2002.
•    Optimization of Multiple-Reservoir system using dynamic differential programming. National seminar on water resources development, Birla Institute of Technology, Mesra,2002.
•    Data collection networks for improving flood forecasting in North Bihar Rivers. Living with flood-Degree of Tolerance, 2nd March 2002, sponsored by Indian National Council of Roorkee at Water resources center, Patna University, Patna, 2002.
•    Interlinking aspects of North Bihar Rivers- A case study: National seminar in Water and Land Management Institute, Patna 2003
•    Determination of optimal storage of a multi-reservoir system using simulation linked Genetic Algorithm. 2nd Bihar Science Congress, March’2007Patna
•    Prediction of Runoff from a Watershed by Water Balance Method. A national seminar at
industan Institute of Science and Technology, Mathura, India, July 2008.
•    Determination of Optimal Cost Of Maithon Reservoir using Simulation Linked Dynamic Programming. National seminar organized by Institution of Engineers in 26-27 Dec 2009 at Ranchi.
•    Well Parameter Estimation using Genetic Algorithm. Proc. National Conf. on Groundwater for Drinking: Issues and options, organized by BHUIT (Feb 11-13. 2011), page 171-175. ISBN 81-86862- X.
•    Sehgal, V. and Sahay, R. R. River stage forecasting using discreet wavelet regression technique. Proc. National Conf. on Mathematical and statistical modeling in Innovative Areas, organized by Deptt. of Applied Math., BIT Mesra (Oct 19-20, 2011).

•    Ravi Prakash, Amrit Anand, Prashant Kushik and Rajeev R. Sahay. Modeling of evapo-transpiration using artificial neural networks. National Conf. on Environment Friendly Sustainable Construction-Need of the Hour, 2-3 March 2013, organized by Civil Engineering Department, BIT Patna, India.
•    Vinit Sehgal, Kaushik Tripathi, Rajeev R. Sahay. Improving reliability of Wavelet based hydrological models by suitable mother wavelet selection. National Conf. on Environment Friendly Sustainable Construction-Need of the Hour, 2-3 March 2013, organized by Civil Engineering Department, BIT Patna, India.
•    Sehgal, V., Raj, A. and Sahay, R. R. “Efficiency of discreet wavelet transform in high flood stage forecasting”. Proc. National Conf. on Advanced Techniques in Civil Engineering, 15-16 Mar 2013. Dept. of Civil Eng., Karpagam University, Coimbatore, Tamil Nadu.
•    Kumar, M. and Sahay, R. R. (2014). Autoregression models for forecasting monsoon flood in Baghmati River (India), National Student Conclave, 5-6 Apr BIT Patna, Patna.
•     Vishal Rituraj, Aditya Singh, Amit K. Sharma, Ravi Ranjan and Rajeev R. Sahay (2014).  Estimating storage capacity of Tilaiya Reservoir By Simulation Method. National Student Conclave, 5-6 Apr BIT Patna, Patna.


 

  Current Sponsored Projects
 

Sponsored projects


1.    RESEARCH PROJECT titled ‘'Flood Modeling of North Bihar Rivers  Using Soft Computing Techniques.’ Granted by AICTE,New Delhi, (2008-10), Total Cost = Rs 5.5 Lakhs
2.     A Minor Research Project titled ‘Flood Estimation and Forecasting across multiple sites in Kosi River  Using Artificial Neural Network’, sponsored by UGC, New Delhi. Project Cost: Rs 1 lakh.    
 

  Fellow
 

 Institution of Engineers, India

  Member, Editorial Board
 

Professional Association

•    Life member, International Association of Hydrological Society (IAHS), UK- membership no. 10064
•    Fellow, Institution of Engineers. Membership no.  F/110069/2
 

 

International/National Research Papers Reviewed:

•    Manuscript ID: LRE-10-061 Title: "Estimating sediment yield risk of reservoirs using expert knowledge and semi-quantitative approaches in northern Ethiopia" Lakes & Reservoirs: Research and Management.
•    KSCE-D-11-00025 “Geomorphology-based Time-lagged Recurrent Neural Networks for Runoff Forecasting KSCE” Journal of Civil Engineering

•    Manuscript Number: KSCE-D-12-00312.KSCE Journal of Civil Engineering
“Experimental Investigation on the Effects of Slotted Cone-Shaped Piers on Scour
Reduction Due to Steady Flows”
•    WARD-D-13-00135. Integrating stakeholders’s preferences into water resources management planning in the Incomati River Basin, Water Resource Management, Springer,
•    WARM-D-13-00229, Water Resources Management. ANFIS based model for long-term dam inflow prediction using categorical monthly rainfall forecast.
•    Journal of The Institution of Engineers (India): Series A, ENERGY LOSS IN MEANDERING OPEN CHANNELS FOR DIFFERENT ROUGHNESS, Manuscript Number: IEIA-D-12-00148
ENERGY LOSS IN MEANDERING OPEN CHANNELS FOR DIFFERENT ROUGHNESS.