A TWO-DIMENSIONAL PARABOLIC MODEL FOR FLOOD ASSESSMENT
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A TWO-DIMENSIONAL PARABOLIC MODEL FOR FLOOD ASSESSMENT
Italian Title: UN MODELLO NUMERICO BIDIMENSIONALE PARABOLICO PER LA DETERMINAZIONE DELLE AREE DI ESONDAZIONE
English Abstract:
A two-dimensional numerical model for simulating water flood is
presented. The model formulation employs a parabolic approximation for the shallow-water equations. The flow equations are solved
by means of a numerical semi-implicit method based on mass balance applied to cells whose elevation is derived directly from topographic data survey described by DEM. Boundary conditions are
described as prescribed level-discharge relations. A comparison with
a physical imposed model and a real application of an urban area flood are described.
Authors
Keywords
PIETRO
PRESTININZI
- Università degli Studi di Roma Tre - Dipartimento di Scienze dell'Ingegneria Civile - Via Volterra, 62 - 00146 Roma, Italia
ALDO FIORI - Università degli Studi di Roma Tre - Dipartimento di Scienze dell'Ingegneria Civile - Via Volterra, 62 - 00146 Roma, Italia
ALDO FIORI - Università degli Studi di Roma Tre - Dipartimento di Scienze dell'Ingegneria Civile - Via Volterra, 62 - 00146 Roma, Italia
flood
bidimensional simulation
shallow water equations
DEM
storage cells
bidimensional simulation
shallow water equations
DEM
storage cells
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