Computation of Flow Patterns in Rivers

by C. B. Vreugdenhil, Specialist in Computational Hydr.; Delft Hydraulics Lab., Delft, the Netherlands,
J. H. A. Wijbenga, Project Engr.; Delft Hydr. Lab., Delft, the Netherlands,

Serial Information: Journal of the Hydraulics Division, 1982, Vol. 108, Issue 11, Pg. 1296-1310

Document Type: Journal Paper


Quasisteady flow in a river with flood plains is considered with the objective of determining flood levels and flow patterns. The two-dimensional hydrodynamic equations are solved using a time-dependent, finite-difference method. Bottom and lateral friction are found to have an important influence. The mathematical model is calibrated and verified, using detailed laboratory measurements. A fair agreement is found, but the need of calibrating frictional parameters with field data is stressed.

Subject Headings: Computing in civil engineering | Flow patterns | River flow | Flood plains | Friction | Calibration | Streamflow | Hydrodynamics

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