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Optimisation of Water Management Prof. Graeme Dandy School of Civil, Environmental and Mining Engineering University of Adelaide
Acknowledgement of Co-Researchers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Outline ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Types of Models ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Methodology ,[object Object],Optimisation Module Selection of  Alternative Simulation of Alternative Evaluation of Alternative Selection of Objectives Results Selection of Objectives Optimisation Module
Form of an Optimisation Model ,[object Object],[object Object]
Genetic Algorithm Optimisation
What Are Genetic Algorithms   ? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Typical GA string Distribution Network Pipe Material Distribution Network Pipe Diameters Pump Size Collection Network Pipe Material
Solution Cost  ($ million)  30 40 50 60 70 80 90 100 0 50,000 100,000 150,000 200,000 Number of Solution Evaluations The GA conducts a directed search for optimal solutions Repeat Towards Convergence
Multi-Objective Optimisation
Multi-Objective Optimisation Pareto Optimal Front
Optimum Planning of Urban  Water Systems  (Regional Scale)
TEMPORAL SCENARIOS SUPPLY TYPE ALTERNATIVES
[object Object],[object Object],[object Object],[object Object],[object Object],Risk Based Performance Assessment
Risk Based Performance Assessment
Optimisation ,[object Object],[object Object],[object Object],[object Object],[object Object]
Optimisation ,[object Object],[object Object],[object Object],[object Object]
Approximate trade-offs between supply types
Optimal Tradeoffs – Southern System
Breakpoint  (250ML/day, 2KL) (251ML/day, 1.8KL) (248ML/day, 2.6KL) Optimal Tradeoffs – Southern System
$45/tonne $1000/tonne Breakpoint  (250ML/day, 2KL) (251ML/day, 1.8KL) (248ML/day, 2.6KL) Optimal Tradeoffs – Southern System
[object Object],[object Object],Optimisation Process
Sensitivity Analysis of the Optimisation Process
Planned Extensions to this Research ,[object Object],[object Object]
Conclusions ,[object Object],[object Object],[object Object]
Resource Optimisation Framework for the Upper South East Region of SA
 
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Case Study – Upper South East 110 km
Management Decisions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Proposed Decision Support System ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Integrated Modelling Framework groundwater response Regulator Decision Point shut open flow flow runoff, salinity rainfall evap. runoff, salinity runoff, salinity runoff, salinity rainfall evap. rainfall evap. rainfall evap. wetland response environmental conditions
 
 
 
Water Quantity Modelling ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Hydrologic Modelling ,[object Object],[object Object],[object Object],[object Object],[object Object]
Hydrologic Modelling
Water Quality Modelling ,[object Object],[object Object],[object Object],[object Object],[object Object],Q SW Q GW Unsaturated Saturated Q UW
Integrated Modelling Framework groundwater response Regulator Decision Point shut open flow flow runoff, salinity rainfall evap. runoff, salinity runoff, salinity runoff, salinity rainfall evap. rainfall evap. rainfall evap. wetland response environmental conditions
Groundwater Modelling ,[object Object],[object Object]
Groundwater Modelling ,[object Object],[object Object],[object Object],[object Object]
Integrated Modelling Framework groundwater response Regulator Decision Point shut open flow flow runoff, salinity rainfall evap. runoff, salinity runoff, salinity runoff, salinity rainfall evap. rainfall evap. rainfall evap. wetland response environmental conditions
Ecological Response to Salinity ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Bayesian Network Modelling
Interaction Between Models Rainfall, Evaporation Current Conditions Groundwater Models Wetland Models Rainfall-Runoff Models Salt Transport Models Regulator Settings Catchment Routing Environmental Response Dryland Salinity Flooding Evaluate Option Simulation/Optimization
Summary  ,[object Object],[object Object],[object Object],[object Object],[object Object]
Project Outcomes ,[object Object],[object Object],[object Object],[object Object]
Outcomes (2)  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Summary ,[object Object],[object Object],[object Object]
Wastewater  Treatment Wetland ASR House or Cluster Mains water Stormwater Total Urban Water Management Industry
Optimum Design of Greywater  Reuse Systems (Cluster Scale)
Research Objectives ,[object Object],[object Object]
Methodology ,[object Object],Optimisation Module Selection of  Alternative Simulation of Alternative Evaluation of Alternative Selection of Objectives Results Selection of Objectives Optimisation Module
Case Study Scale 01 9 houses Scale 02 19 houses Scale 03 47 houses Scale 04 68 houses Scale 05 117 houses Scale 06 147 houses
System Components ,[object Object],[object Object],[object Object],[object Object]
System Components ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Layout
Sustainability Objectives ,[object Object],[object Object],[object Object],[object Object],[object Object]
Simulation of Alternatives ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Results
Comparison of Results ,[object Object],[object Object],[object Object],[object Object]
Sensitivity Analysis ,[object Object],[object Object]
Sensitivity Analysis
Conclusions ,[object Object],[object Object],[object Object],[object Object]
Further Work ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Summary ,[object Object],[object Object],[object Object]

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