DYNAMIC SIMULATION SIMULATION DYNAMIC SIMULATION OPTIMIZATION Imitate the behavior of a system Analysis of scenarios Communication tool DYNAMIC SIMULATION Imitate the behavior of a system through time Hiran / Jared OPTIMIZATION Use simulation to conduct analysis that leads to improved performance

OBJECT-ORIENTED SIMULATION PACKAGES EXTEND Simulation software that allows Dynamic Models to be assembled from Libraries of Intelligent Objects (Blocks) Open ended with a programming language interface Libraries contain generic objects and customized intelligent objects Models suitable for various platforms and transferable into other models Extended animation features STELLA Jared Simulation software that allows Dynamic Models Interface still operates in DOS - WINDOWS environment Models developed not easily transferable to other platforms and cannot be easily linked to other models Limited animation features

VOYAGE MODEL CH2M HILL simulation model developed in Extend Water balance for a large agricultural system Large system models containing multiple sub-systems Optimization of water supply alternatives to achieve minimum cost and meet flow requirements

VOYAGE MODEL Crop fields defined Drain water re-use areas crop types irrigation methods seasonal demands Drain water re-use Ground water supply Drain flows Losses

OPTIMIZATION Water demand profiles for growing season Optimization determines water supply source selection River diversion Drain Re-use Groundwater

OPTIMIZATION Reduced operating cost by optimized selection of water supply sources Using CH2M HILL optimization tools