Stability of Method of Characteristicsby M. Hanif Chaudhry, Washington State Univ, Pullman, WA, USA,
Michael B. Holloway, Washington State Univ, Pullman, WA, USA,
Abstract: For the analysis of waterhammer, the first-order accurate method of characteristics (MOC) has been widely used for which Courant condition for stability has been developed neglecting the nonlinear terms. This scheme becomes unstable even if this condition is satisfied if friction losses are large. Stability and accuracy including friction are investigated, and a stability diagram is presented for practical applications.
Subject Headings: Friction | Water hammer | Nonlinear analysis | Water management
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