Numerical Methods for Fluid Flow in Unsaturated Heterogeneous Tuff

by Thomas H. Robey, Spectra Research Inst, Albuquerque, United States,

Document Type: Proceeding Paper

Part of: High Level Radioactive Waste Management 1993


A numerical approach for modeling unsaturated flow is developed for heterogeneous simulations of fractured tuff generated using a geostatistical method. Cross correlations of hydrologic properties and upscaling of moisture retention curves is discussed. The approach is demonstrated for a study of infiltration at Yucca Mountain.

Subject Headings: Fluid flow | Numerical models | Unsaturated flow | Numerical methods | Numerical analysis | Heterogeneity | Volcanic deposits

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