Efficient Simulations for Contamination of Groundwater Aquifers under Uncertainties
Permanent link to this recordhttp://hdl.handle.net/10754/631169
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AbstractAccidental contamination of groundwater can be extremely hazardous and thus, accurately predicting the fate of pollutants in groundwater is essential. Certain pollutants are soluble in water and can leak into groundwater systems, such as seawater into coastal aquifers or wastewater leaks. Indeed, some pollutants can change the density of a fluid and induce density-driven flows within the aquifer. This causes faster propagation of the contamination due to convection. Thus, simulation and analysis of this density-driven flow plays an important role in predicting how pollution can migrate through an aquifer. We propose the new parallel algorithm to compute a functional approximation of the QoI. Namely, we approximate the QoI with the polynomial chaos expansion (PCE), where all PCE coefficients are computed in parallel. We demonstrate 2D and 3D examples.
Conference/Event nameSIAM CSE Conference
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