Subsurface Transport of Radioactive Material Using Adaptive Finite Elements

by Darrell W. Pepper, Univ of Nevada, Las Vegas, United States,
Dale E. Stephenson, Univ of Nevada, Las Vegas, United States,

Document Type: Proceeding Paper

Part of: High Level Radioactive Waste Management 1993

Abstract: A finite element method which utilizes mesh adaptation is used to calculate transient groundwater flow and pollutant transport. Mass lumping and reduced integration are employed to enhance computational speed and reduce storage. A Petrov-Galerkin technique is used to weight the advection terms. The model runs on PCs and workstations, as well as supercomputer class machines.

Subject Headings: Finite element method | Groundwater flow | Flow simulation | Transient flow | Mathematical models | Subsurface environment | Radioactive materials | Hazardous materials

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