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Prof Godfrey Walters

Publications

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| 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | 1998 |

2007

2006

  • Khu, S.T., di-Pierro, F., Savic, D.A., Djordjevic, S. and Walters, G Incorporating spatial and temporal information for urban drainage model calibration: An approach using Preference ordering genetic algorithm, Advances in Water Resources, pp 1168-1181, vol. 29(8)
  • Prasad, T.D. and Walters, G.A Minimizing residence times by rerouting flows to improve water quality in distribution networks, Engineering Optimisation, pp 923-39, vol. 38
  • Babayan, A.V., Kapelan, Z., Savic, D.A. and Walters, G.A Comparison of Two Methods for the Stochastic Least Cost Design of Water Distribution Systems, Engineering Optimization, pp 281-297, vol. 38(3)
  • Farmani R., Savic D.A. and Walters G.A A hybrid technique for optimization of branched urban water systems, 7th international conference on Hydroinformatics, HIC 2006, Nice, France, pp 985-992, vol. 2
  • Farmani R., Walters G.A. and Savic D.A Evolutionary multi-objective optimization of the design and operation of water distribution network: total cost vs. reliability vs. water quality, Journal of Hydroinformatics, pp 165-179, vol. 8
  • Guo Y., Walters G. A., Khu S-T. and Keedwell E Optimal Design of Sewer Networks using hybrid cellular automata and genetic algorithm, Proc. IWA World Water Congress 2006, Beijing, China
  • Guo Y., Walters G. A., Khu S-T. and Keedwell E A robust hybrid approach for efficient optimal design of sewer systems, 7th International Conference on Hydroinformatics. September 2006, Nice, France
  • Joksimovic, D., Kubik, J., Hlavinek, P., Savic, D.A. & Walters, G.A Development of an Integrated Simulation Model for Treatment and Distribution of Reclaimed Water, Desalination, pp 9-20, vol. 188
  • Joksimovic, D., Savic, D.A. & Walters, G.A An Integrated Approach to Least-Cost Planning of Water Reuse Schemes, Water Science & Technology: Water Supply, pp 93-100, vol. 6 (5)
  • Kapelan, Z., Savic, D.A. and Walters, G.A. and Babayan, A Risk and Robustness based Solutions to Multiobjective Water Distribution System Rehabilitation Problems under Uncertainty, Water Science & Technology, pp 61-75, vol. 53(1)
  • Vamvakeridou-Lyroudia, L.S., Savic D.A. and Walters, G.A Fuzzy hierarchical decision support system for water distribution network optimisation, Civil Eng. and Env. Sytems, pp 237-261, vol. 23 (3)
  • Vamvakeridou-Lyroudia, L.S., Savic D.A. and Walters, G.A Subjective and objective MCDM methods for the optimal design of water distribution systems using genetic algorithms, 7th International Conference on Hydroinformatics (HIC 2006), Nice, France, Sept.2006, pp 3015-3022, vol. Vol IV
  • Van Zyl, J.E., Savic, D.A. and Walters, G.A Explicit Integration Method for Extended-Period Simulation of Water Distribution Systems, American Society of Civil Engineers, Journal of Hydraulic Engineering, pp 385-392, vol. 132

2005

  • Babayan, A.V., Kapelan, Z., Savic, D.A. and Walters, G.A Least Cost Design of Water Distribution Networks under Demand Uncertainty, ASCE Journal of Water Resources, Planning and Management, pp 375-382, vol. 131(5)
  • Chaudhry, F., Reis, L., Savic, D. and Walters, G.A Multi-reservoir operation planning using hybrid genetic algorithm and linear programming (GA-LP): an alternative stochasticapproach, Water Resources Management, pp 831-848, vol. 19 (6)
  • Kapelan, Z., Savic, D.A. and Walters, G.A Multiobjective Design of Water Distribution Systems under Uncertainty , Water Resources Research, pp W11407-1to W11407-15, vol. 41(11)
  • Vamvakeridou-Lyroudia, L.S., Walters, G.A. and Savic D.A Fuzzy multiobjective design optimisation of water distribution networks, Jour. Wat. Res, Plan. Man, ACSE, pp 467-476, vol. 131 (6)
  • di Pierro, F., Djordjevic, S., Kapelan, Z., Khu, S-T., Savic, D. and Walters, G Automatic calibration of urban drainage model using a novel multi-objective genetic algorithm, Water Science & Technology, pp 43-52, vol. 52(5)
  • Duarte P., Farmani R., Alegre H., Savic D., Walters G., Monteiro J water distribution systems optimisation and technical performance assessment, Using technical performance assessment for comparing solutions, CCWI, pp 9-14, vol. 2
  • Farmani R., Ingeduld P., Savic D., Walters G., Svitak Z., Berka J. Hydraulic, water quality, and real-time control model of south-west Moravian regional water supply system, CCWI, pp 123-128, vol. 1
  • Farmani R., Savic D.A. and Walters G.A Fuzzy rules for hydraulic reliability-based design and operation of water distribution systems, ASCE
  • Farmani R., Wright J.A., Savic D.A. and Walters G.A. Self-adaptive fitness formulation for evolutionary constrained optimization of water systems, Journal of Computing in Civil Engineering, pp 212-216, vol. 19
  • Farmani, R., Savic, D.A. and Walters, G.A Evolutionary multi-objective optimization in water distribution network design, Engineering Optimization, vol. 37
  • Kapelan, Z., Savic, D.A. and Walters, G.A Strengths and Weaknesses of Decision Support Tools for Sustainable Urban Development, Proceedings of ICE, Engineering Sustainability, pp 135-142, vol. 158(3)
  • Kapelan, Z., Savic, D.A. and Walters, G.A Optimal Sampling Design Methodologies for Water Distribution Model Calibration, ASCE Journal of Hydraulic Engineering, pp 190-200, vol. 131(3)
  • Savic, D.A., Walters, G.A., King, R. and Khu, S-T Proceedings of CCWI 2005, Computers and Control for the Water Industry - Water management for the 21st Century, University of Exeter, vol. 1
  • Vamvakeridou-Lyroudia, L.S., Walters, G.A. and Savic, D.A Fuzzy DSS model for water network design optimisation, Proc. Computing and Control for the Water Industry, CCWI 2005, Savic D.A., Walters, G.A, King, R. and Khu S-T. (Eds), University of Exeter, Sept. 2005, pp 87-92, vol. Vol 2
  • Vamvakeridou-Lyroudia, L.S., Walters, G.A. and Savic, D.A Water network optimisation using fuzzy multiobjective genetic algorithms, Proc. 8th Int. Conf. on the Application of Artificial Intelligence to Civil, Structural and Environmental Engineering, Topping B.H.V. (Ed.), Rome, Civil Comp Press, UK, pp 81-82, vol. Paper 32
  • Van Zyl, J., Savic, D.A. and Walters, G.A An Explicit Integration Method for Extended-Period Modelling of Water Distribution Systems, Journal of Hydraulic Engineering, ASCE, vol. in press

2004

  • Djordjevic, S., Prodanovic, D. and Walters, G.A Simulation of transcritical flow in pipe/channel networks, Journal of Hydraulic Engineering, pp 1167-1178, vol. 130(12)
  • Prasad, T.D., Walters, G.A. and Savic, D.A Booster Disinfection of Water Supply Networks: A Multi-Objective Approach, Journal of Water Resources Planning and Management, ASCE, pp 367-376, vol. 130(5)
  • Van Zyl, J., Savic, D.A. and Walters, G.A Operational Optimization of Water Distribution Systems Using a Hybrid Genetic Algorithm Method, Journal of Water Resources Planning and Management, ASCE, pp 160-170, vol. 130(2)
  • Djordjevic, S. and Walters, G.A Mixed free-surface/pressurized flows in sewers, WaPUG Meeting for Scotland and Northern Ireland, Dunblane
  • Farmani R., Savic D.A. and Walters G.A EXNET benchmark problem for multi-objective optimization of large water systems, Modelling and Control for Participatory Planning and Managing Water Systems
  • Farmani R., Walters G.A. and Savic D.A The Simultaneous Optimization of Anytown Pipe Rehabilitation, Tank Sizing, Tank Siting and Pump Operation Schedules, ASCE
  • Farmani R., Walters G.A. and Savic D.A Multi-objective optimization of cost, reliability and water quality of Anytown system in relation to dual objective optimization, Modelling and Control for Participatory Planning and Managing Water Systems
  • Kapelan, Z., Babayan, A.V., Savic, D.A., Walters, G.A. and Khu, S-T Two new approaches for the stochastic least cost design of water distribution systems, Water Science and Technology: Water Supply, pp 355-363, vol. 4(5-6)
  • Kapelan, Z., Savic, D.A. and Walters, G.A Incorporation of Prior Information on Parameters in Inverse Transient Analysis for Leak Detection and Roughness Calibration, Urban Water Journal, pp 129-143, vol. 1(2)
  • Pierro, F., Djordjevic, S., Kapelan, Z., Khu, S.-T., Savic, D. G. A. Walters Automatic calibration of urban drainage model using a novel multi-objective genetic algorithm, Proceedings from Urban Drainage Modelling UDM 04, Dresden, Germany, 15-17 September
  • Vamvakeridou-Lyroudia, L.S., Walters, G.A. and Savic D.A Fuzzy multiobjective design optimisation of water distribution networks, Report No.2004/01, Centre for Water Systems, School of Engineering, Computer Science and Mathematics, University of Exeter, Exeter, UK, pp 98p
  • di Pierro F., Djordjevic, S., Kapelan, Z., Khu, S.T., Savic, D.A. and Walters, G.A. Automatic calibration of urban drainage model using a novel multi-objective genetic algorithm, Proc. Urban Drainage Modelling conference. Dresden, Germany

2003

  • Bessler, F.T., Savic, D.A. and Walters, G.A Water Reservoir Control with Data Mining, ASCE Journal of Water Resources Planning and Management, pp 26-34, vol. 129(1)
  • Kapelan, Z., Savic, D.A. and Walters, G.A Multi-objective Sampling Design for Water Distribution Model Calibration, ASCE Journal of Water Resources Planning and Management, pp 466-479, vol. 129(6)
  • Babayan, A.V., Savic, D.A. and Walters, G.A Design of water distribution networks under uncertain demand, Cabrera and Cabrera Jr, 'Proc. of the IWA-IAHR joint conference: Pumps, Electromechanical Devices and Systems PEDS 2003, Netherlands: Balkema', pp 137-144
  • Babayan, A.V., Savic, D.A. and Walters, G.A Least-cost design of water distribution networks under uncertain demand, 'C Maksimovic, D Butler and F Memon', 'Advances in Water Supply Management, A.A. Balkema Publishers', pp 139-146
  • Davidson, J.W., Savic, D.A. and Walters, G.A Symbolic and numerical regression: experiments and applications, Information Sciences, pp 95-117, vol. 150 (1/2)
  • Engelhardt, M., Savic, D.A., Skipworth, P., Cashman, A., Saul, A.J. and Walters, G.A Whole life costing: application to water distribution network, Water Science and Technology: Water Supply, pp 87-93, vol. 3(1-2)
  • Farmani R., Prasad T. Devi, Walters G.A. and Savic D.A Multi-criteria decision making in water systems, 17th European Junior Scientists Workshop (EJSW) on Rehabilitation Management of Urban Infrastructure Networks, Rolf Baur, Ingo Kropp and Raimund Herz (eds.), -7 September 2003, Dresden, Germany, pp 103-112
  • Farmani R., Savic D.A. and Walters G.A Multi-objective optimization of water system: A comparative study, Pumps, Electromechanical Devices and Systems Applied to Urban Water ManagementCabrera and Cabrera Jr. (eds), pp 247-256, vol. 1
  • Farmani R., Wright J.A., Walters G.A. and Savic D.A Self-adaptive fitness formulation: Theory and Application, WSEAS International Conference, Athens, Greece, December 29-31
  • Farmani, R., Savic, D.A. and Walters, G.A Benchmark problems for design and optimisation of water distribution systems, 'C Maksimovic, D Butler and F Memon', 'Advances in Water Supply Management, A.A. Balkema Publishers', pp 249-256
  • Farmani, R., Walters, G.A. and Savic, D.A Multi-objective optimization of water systems: A comparative study, Cabrera and Cabrera Jr, 'Proc. of the IWA-IAHR joint conference: Pumps, Electromechanical Devices and Systems PEDS 2003, Netherlands: Balkema', pp 247-256
  • Kapelan, Z., Savic, D.A. and Walters, G.A A Hybrid Inverse Transient Model for Leakage Detection and Roughness Calibration in Pipe Networks, IAHR Journal of Hydraulic Research, pp 481-492, vol. 41(5)
  • Kapelan, Z., Savic, D.A. and Walters, G.A Robust least cost design of water distribution systems using GAs, 'C Maksimovic, D Butler and F A Memon', 'Computer Control for Water Industry (CCWI) Conference, London (UK)', pp 147-155
  • Kapelan, Z., Savic, D.A. and Walters, G.A Optimal sampling design for calibration of transient network models using multiobjective GAs, E Cabrera and E J Cabrera, 'Conference on Pumps, Electromechanical Devices and Systems Applied to Urban Water Management, Valencia (Spain)', pp 181-188, vol. 1
  • Kapelan, Z., Savic, D.A., Walters, G.A., Covas, D., Graham, N. and Maksimovic, C An assessment of the application of inverse transient analysis for leak detection: part I - theoretical considerations, 'C Maksimovic, D Butler and F A Memon', 'Computer Control for Water Industry (CCWI) Conference, London (UK)', pp 71-78
  • Kapelan, Z., Savic, D.A., Walters, G.A., Covas, D., Stoianov, I., Graham, N., Maksimovic, C. and Butler, D Inverse transient analysis in pipe networks for leakage detection, quantification and roughness calibration, C Maksimovic and V Kaleris, '30th IAHR Congress, Thesssaloniki (Greece)', pp 393-400

2002

  • Bessler, F.T., Savic, D.A. and Walters, G.A Pipe burst risk analysis with data mining, 'Cluckie, I.D., D. Han, J.P. Davis and S. Heslop', 'The Fifth International Conference on Hydroinformatics, Hydroinformatics 2002, July 1-5, Cardiff, UK', pp 783-788, vol. 1
  • Engelhardt, M., Skipworth, M.P., Cashman, A., Walters, G.A. and Saul, A Determining Maintenance Requirements of a Water Distribution Network Using Whole Life Costing, Journal of Quality in Maintenance Engineering, pp 152-164, vol. 8 (2)
  • Engelhardt, M., Skipworth, M.P., Savic, D.A., Walters, G.A., Saul, A. and Cashman, A WiLCO: Whole Life Costing Software, Kibler, D.F, First Symposium on Environmental and Water Resources Systems Analysis, ASCE, May 19-22, Roanoke, Virginia, (proceeding published on CD), pp 10
  • Fullerton, J.N., Walters, G.A. and Savic, D.A Simplified Modelling of Storm Water Flows for Optimisation, 'Brebbia, C.A. and W.R.Blain', 'Hydraulic Information Management, WIT press, Southampton', pp 133-142
  • Kapelan, Z., Savic, D.A. and Walters, G.A Hybrid GA for Calibration of Water Distribution System Hydraulic Models, 'Kibler, D.F.', 'First Symposium on Environmental and Water Resources Systems Analysis, ASCE, May 19-22, (2002) Roanoke, Virginia, (proceeding published on CD)', pp 10
  • Kapelan, Z., Savic, D.A. and Walters, G.A Multi-objective GA solution to problem of optimal sampling design for WDS hydraulic model calibration, 'Cluckie, I.D., D. Han, J.P. Davis and S. Heslop', 'The Fifth International Conference on Hydroinformatics, Hydroinformatics 2002, July 1-5, Cardiff, UK', pp 1435-1440, vol. 2
  • Kapelan, Z., Savic, D.A. and Walters, G.A A Hybrid Search Technique for Inverse Transient Analysis in Water Distribution Systems, I. C. Parmee, 'Proc. 5th International Conference on Adaptive Computing in Design and Manufacture, Exeter, UK', pp 75-86, vol. 1
  • Kapelan, Z., Savic, D.A. and Walters, G.A Multi-objective Sampling Design for Water Distribution Model Calibration, Proc. 3rd International Conference on Environmental Management, Johannesburg (RSA), CD-ROM edition. (2002)
  • Kapelan, Z., Savic, D.A. and Walters, G.A Optimal Sampling Design for Water Distribution Model Calibration (in Serbian), 'Proceedings of the 13th Symposium of the Yugoslav Association of Hydraulic Research, Sokobanja, Yugoslavia', pp II-65-74
  • Skipworth, P.J., Engelhardt, M.O., Cashman, A., Savic, D.A., Saul, A.J., and Walters, G.A Whole Life Costing for Water Distribution Network Management, Thomas Telford
  • Van Zyl, J.E., Savic, D.A. and Walters, G.A Accuracy Issues in Extended Period Modelling of Water Distribution Systems, 'Kibler, D.F.', 'First Symposium on Environmental and Water Resources Systems Analysis, ASCE, May 19-22 (2002), Roanoke, Virginia, (proceeding published on CD)', pp 10
  • Walters, G.A Designing Tree-Like Engineering Networks by Mimicking Evolution, 'Brebbia,C.A., L.Sucharov and P.Pascolo', 'Design and Nature, WIT Press, Southampton', pp 37-46
  • Walters, G.A., Fullerton, J.N., Savic, D.A. and Long, R Decision Support Software for Optioneering: a Feasibility Study, 'R. Ashley, A.Saul, J.Blanksby and A. Cashman', 'Sewer Operation and Maintenance, University of Bradford, (proceeding published on CD)', pp 8

2001

  • Bessler, F.T., Savic, D.A. and Walters, G.A Water System Reliability Predictions Using Data Mining, 'Phelps, D. and Sehlke G.', 'World Water and Environmental Resources Congress, May 20-24, Orlando, Florida, (proceeding published on CD)', pp 10
  • Engelhardt, M.O., Skipworth, M.P., Cashman, A., Savic, D.A., Walters, G.A. and Saul, A Incorporation of Water Quality in a Whole Life Costing Approach to Distribution Network Management, A. Lowdon, 'Proc. of 4th International Conference on Water Pipeline Systems, York, UK: 28-30 March, BHR Group, Cranfield, UK,', pp 25-44
  • Gill, E., Parker, M.A., Savic, D.A. and Walters, G.A Cougar: A Genetic Algorithm and Rapid Integrated Catchment Modelling Application for Optimising Capital Investment in Combined Sewer Systems, 'Presentation at the World Water and Environmental Resources Congress, 2001, May 20-24, Orlando, Florida'
  • Kapelan, Z., Savic, D.A. and Walters, G.A Use of Prior Information on Parameters in Inverse Transient Analysis for Leak Detection and Roughness Calibration, 'Phelps, D. and Sehlke G.', 'World Water and Environmental Resources Congress, May 20-24, Orlando, Florida, (proceeding published on CD)', pp 10
  • Kapelan, Z., Savic, D.A. and Walters, G.A Optimal Sampling Design Methods for Calibration of Water Supply Network Models, 'Ulanicki, B., Coulbeck, B. and Rance, J.P.', 'Water Software Systems: Theory and Applications, Research Studies Press, Baldock, Hertfordshire, England', pp 99-109, vol. 1
  • Morley, M.S., Atkinson, R.M., Savic, D.A. and Walters, G.A GAnet: Genetic Algorithm platform for pipe network optimisation, Advances in Engineering Software, pp 467-475, vol. 32 (6)
  • Savic, D.A. and Walters, G.A Evolutionary Computing in Water Distribution and Wastewater Systems, 'Phelps, D. and Sehlke G.', 'World Water and Environmental Resources Congress, May 20-24, Orlando, Florida, (proceeding published on CD)', pp 10
  • Skipworth, P.J., Cashman, A., Engelhardt, M.O., Saul, A.J., Savic, D.A. and Walters, G.A Incorporation of Leakage in a Whole Life Costing Approach to Distribution Network Management, 'Ulanicki, B., Coulbeck, B. and Rance, J.P.', 'Water Software Systems: Theory and Applications, Research Studies Press, Baldock, Hertfordshire, England', pp 49-59, vol. 1
  • Van Zyl, J.E., Savic, D.A. and Walters, G.A An Explicit Integration Technique for the Dynamic Modeling of Water Distribution Systems, 'World Water and Environmental Resources Congress, May 20-24, Orlando, Florida, (proceeding published on CD)', pp 10
  • Van Zyl, J.E., Savic, D.A. and Walters, G.A A hybrid method for operational optimization of water distribution systems, 'Ulanicki, B., Coulbeck, B. and Rance, J.P.', 'Water Software Systems: Theory and Applications, Research Studies Press, Baldock, Hertfordshire, England', pp 89-97, vol. 2

2000

  • Morley, M.S., Atkinson, R.M., Savic, D.A. and Walters, G.A OpenNet: An application-independent framework for hydraulic network representation, manipulation and dissemination, 4th Hydroinformatics Conference of the International Association for Hydraulic Research, IAHR, Iowa City, USA
  • Smith, D.K. and Walters, G.A An evolutionary approach for finding optimal trees in undirected networks, European Journal of Operational Research, pp 593-602, vol. 120 (3)

1998

  • Walters, G.A., Savic, D.A., Morley, M.S., de Schaetzen, W.F.B. and Atkinson, R.M Calibration of Water Distribution Network Models Using Genetic Algorithms, Proceedings 7th International Conference on Hydraulic Engineering Software, Como, Italy, pp 131-140

Showing 92 publications from UDB2.