APPLICATION OF MIXED EXPLICIT-IMPLICIT FINITE ELEMENT METHOD TO NONLINEAR DIFFUSION-TYPE PROBLEMS.

S. P. Neuman, T. N. Narasimhan, P. A. Witherspoon

Research output: Contribution to conferencePaperpeer-review

5 Scopus citations

Abstract

The point iterative nature of the solution process makes the mixed approach ideally suited for the treatment of quasilinear problems in which the conductances, capacitances, source terms, and boundary conditions vary with the dependent variable or with time. To demonstrate the accuracy and flexibility of the new approach, the paper considers three different types of problems with varying degrees of nonlinearity that are commonly encountered in subsurface hydrology; saturated unconfined flow governed by the Boussinesq equation; unsaturated flow governed by the diffusion equation; and saturated-unsaturated flow governed by the Richards equation.

Original languageEnglish (US)
Pages1. 153-1. 186
StatePublished - Jan 1 1977
EventProc of the Int Conf on Finite Elem in Water Resour, 1st - Princeton, NJ, USA
Duration: Jul 12 1976Jul 16 1976

Other

OtherProc of the Int Conf on Finite Elem in Water Resour, 1st
CityPrinceton, NJ, USA
Period7/12/767/16/76

ASJC Scopus subject areas

  • Engineering(all)

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