A numerical method for the calculation of steady/unsteady, single phase/two phase, three dimensional fluid flow is described. The procedure is based on the control volume approach, which enables the derivation of physically meaningful finite difference equations. The conservation equations employed are based on a two fluid model. Surface permeabilities and volume porosities are included in the finite difference formulations to account for dispersed solid objects in a flow domain. The derivation of the equations and the required iteration scheme are presented and flow charts are provided for the planning and design of a computer program.
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|Published - 1979
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