Effects of Truncation on Polynomial Chaos Coefficients in Stochastic Transient Groundwater Flow

Carl Rupert, Cass Miller & Carl Rupert
Our inability to fully characterize heterogeneous subsurface systems at appropriate scales motivates continuing interest in the careful stochastic treatment of subsurface fluid flow and contaminant transport. Unfortunately, existing methods often appear to require restriction to low variability regimes, and significant challenges remain as heterogeneity increases, In the last decade, models based on Wiener polynomial chaos and Karhunen-Loeve expansion have been developed for a range of scientific fields. The present work contributes to the assessment of...
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