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DOE Pulse

Using workflows enables flexible algorithm development

NREL senior engineer Shuangwen Sheng inspects the monitoring system for the long-term gearbox reliability study at NREL's National Wind Technology Center.

Proof-of-concept workflow that
enables scientists to focus on
algorithm development and
scientific discovery

Scientists at DOE’s Pacific Northwest National Laboratory demonstrated a proof-of-concept workflow that enables scientists to focus on algorithm development and scientific discovery. This workflow means less time from concept to implementation, and provides improved opportunities for sharing research results. The prototype combines PNNL’s Middleware for Data Intensive Computing—called MeDICi—with the Kepler workflow environment, developed by DOE’s Scientific Discovery through Advanced Computing Scientific Data Management center. The workflow was implemented for a complex application in DOE’s Atmospheric Radiation Measurement Program and includes a framework that allows scientists to visually create and modify an individual pipeline for processing data as well as support for combining scientific algorithms, tools, and libraries. The application also shows how MeDICi’s broad integration capabilities complement the Kepler workflow tools.

[Kristin Manke, 509.372.6011,
kristin.manke@pnl.gov]