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Time-domain analysis of gravity dam–reservoir interaction using high-order doubly asymptotic open boundary

Time-domain analysis of gravity dam–reservoir interaction using high-order doubly asymptotic open boundary,10.1016/j.compstruc.2011.01.014,Computers &

Time-domain analysis of gravity dam–reservoir interaction using high-order doubly asymptotic open boundary  
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A procedure for the time-domain analysis of gravity dam–reservoir interaction is proposed. The dam and a part of the reservoir with irregular geometry are modeled with finite elements. A high-order doubly asymptotic open boundary condition is developed to model the remaining part of the reservoir simplified as a semi-infinite layer of constant depth. This open boundary is temporally local, stable and converges rapidly as the order increases. It is directly coupled with the commercial software ABAQUS by using a sequential staggered implicit-implicit partition algorithm. Numerical examples demonstrate the high accuracy and long-time stability of the proposed technique.
Journal: Computers & Structures - COMPUT STRUCT , vol. 89, no. 7, pp. 668-680, 2011
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