Two-Dimensional Model for Two-Layer Flow

by George J. Balafoutas, Lect.; Civ. Engrg. Faculty, Aristotelian Univ., Thessaloniki, Greece,
Michael B. Abbott, Reader, International Courses; Delft, The Netherlands, and Head, Computational Hydr. Centre, Danish Hydr. Inst., Copenhagen, Denmark,

Serial Information: Journal of the Engineering Mechanics Division, 1977, Vol. 103, Issue 5, Pg. 789-806

Document Type: Journal Paper


A two-dimensional, two-layer, nearly-horizontal flow is solved by the method of characteristics. In the computational model the two-dimensional field is divided in parallel channels and the two-dimensional flow is replaced by two series of one-dimensional canalized flows. This corresponds to a partial linearization of the problem. For a more realistic application of this model a dissipative interface and an accentuating interface are proposed. The cross-convective terms are introduced into the model numerically. Finally some computational results are mentioned.

Subject Headings: Two-dimensional flow | Two-dimensional models | One-dimensional flow | Computer models | Computing in civil engineering | Channel flow | Numerical models | Hydraulic models

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