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Energy and Environment Directorate
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Staff Accomplishments

Tim Scheibe wins project to resolve groundwater modeling issues of scale

September 2006
Congratulations to ETD's Tim Scheibe on receiving $1.1M per year for the next 4 years from DOE's Scientific Discovery through Advanced Computing (SciDAC) Program to integrate groundwater modeling programs and adapt them to run on supercomputers. This will help resolve issues of scale in groundwater modeling; that is, different models focus on different scales. Some focus on reactions that that occur within minutes and cover several molecules while others, reactions that occur over centuries and cover hundreds of meters. All are important to remediating subsurface contamination. Optimizing the integrated programs for high-performance computers will make multiscale hybrid simulations feasible, allowing researchers and regulators to understand the reactions that control the fate and transport of radionuclides, metals, and chemicals under former nuclear weapons sites.

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