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|Titolo:||Calcolo delle masse aggiunte per l'interazione diga-bacino, Sul|
|Autori interni:||GHISI, ALDO FRANCESCO|
|Data di pubblicazione:||2004|
|Abstract:||An investigation has been carried out on the geometry effects of an arch-gravity dam and the morphology of the site around it with respect to the added masses in a dam-basin interaction problem . Since it provides decoupling between the structural and the fluid domain, the added mass approach is a desirable and convenient approximation when focus of the analysis is on the dam, in view of a nonlinear dynamic analysis. However, the traditional approach still frequently used in practical engineering (going back to Westergaard, ) is quite rough if the dam has a complex geometry. Therefore, a generalized formulation  has been pursued in the past, which gives an added mass matrix for a three-dimensional domain by solving a set of potential problems in the fluid region. This formulation, examined in this study, is in some way sensitive to the geometry, both of the dam and of the lake. The analyses were carried out both on an idealized and on an existing double curvature dam (the Pian Telessio arch-gravity dam, in Piemonte, Italy). The topology of the site has been taken into account and has been compared to an idealized basin.|
|Appare nelle tipologie:||04.1 Contributo in Atti di convegno|
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