Absorbing boundary conditions for free surface waves

J.E. Romate

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    In this paper the use of absorbing boundary conditions is investigated for the numerical simulation of gravity waves on an incompressible, inviscid fluid in three dimensions. A review of existing methods is given for linear and nonlinear waves, after which first- and second-order partial differential equations are introduced as absorbing boundary conditions for the linearized model. Well-posedness is investigated and it is shown that the reflection properties of the second-order equation are superior to those of the first-order equation.
    Original languageEnglish
    Pages (from-to)135-145
    Number of pages11
    JournalJournal of computational physics
    Issue number1
    Publication statusPublished - 1992


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