摘要: In this paper a fuzzy dynamic wave routing model (FDWRM) for unsteady flow simulation in open channels is presented. The continuity equation of the preserved its original form while momentum replaced by rule based which developed on principle that during disturbances discontinuities gradient physical parameters will propagate along characteristics with velocity equal to shallow water wave. gets rid off assumptions associated replacing it model. It overcomes necessity calculating friction slope (Sf) and hence uncertainties are eliminated. robustness enables FDWRM march solution even regions where aforementioned violated. Also can be used curved channels. When applied hypothetical flood problems river observed results comparable those an implicit numerical (INM) solves equations using scheme. also real case field canal. match well measured data performs better than INM. Copyright © 2007 John Wiley & Sons, Ltd.
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