Smart Water Symposium

Oral

395698 - Cloud-Scale Distribution System Simulation Framework for Ensemble or Service-Based Analysis

Monday, June 4
4:00 PM - 5:30 PM
Location: Lakeshore A
Co-Authors: James Uber, Covington, KY – CitiLogics

Distribution System modeling can be aided by the use of ensemble analyses - running a large number of simulations and coalescing or summarizing the output in some fashion. Tools such as TEVA-SPOT perform this task for the purpose of quantifying the impacts of different contamination events on optimal sensor-placement, for instance. Modern, pre-existing cloud deployment frameworks can be adopted and repurposed for running a large ensemble of water distribution system simulations, and streaming the output to a centralized location. By leveraging container orchestration and service-based architectures, a researcher or practitioner can have access to vast computing power at very reasonable cost.

The authors demonstrate how to set up a scalable cloud infrastructure for ensemble simulation using off-the-shelf components available in the Open Source community. Models are generated with stochastic variations in selected parameters, executed concurrently on inexpensive cloud infrastructure, and the results are collected in a central high-efficiency database for later analysis and visualization. The entire work-flow is managed from the Python environment. The work presented here is intended to act as a guide to other researchers who wish to leverage the cloud for this type of compute-intensive task.

Sam Hatchett

CTO
CitiLogics

Sam is the technical lead for CitiLogics' software development projects marketed to the water industry. He has deep knowledge of software development practices, database systems, and engineering analysis techniques; these skills generate new, more efficient, and often unexpected ways for CitiLogics’ clients to realize their goals. Sam is a member of American Mensa and the Order of the Engineer. He is fluent in several computer languages, and writes software for recreation. He has held advisory positions in regional theatre organizations, and has served as technical advisor to a nonprofit community arts foundation. Sam’s primary role at the moment is as CTO of CitiLogics and as the EPANET software lead for OpenWaterAnalytics, a fledgeling open-source software foundation.

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395698 - Cloud-Scale Distribution System Simulation Framework for Ensemble or Service-Based Analysis



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