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Farhoud Kalateh,Ali Koosheh 대한토목학회 2017 KSCE JOURNAL OF CIVIL ENGINEERING Vol.21 No.3
The objective of this paper deals with some new features of partitioned solution techniques of three-dimensional acoustic fluidstructure dynamic interaction including, concrete dam- reservoir systems. The equation of motion of the fluid, considered inviscid and compressible, is expressed in terms of the pressure variable alone. Structure equation of motion is discretized using standard displacement-base finite element method and assumed structure behaves linearly throughout analysis. Explicit staggered and iterative partition schemes are two different partitioned solution methods that are developed to time integration of fluid and structure dynamic equations. Solution procedures are explained in detail followed by various examples. Their computational costs as well as their computational efficiency are compared. Finally, the article gives some hints about the performance of proposed coupled partitioned solution schemes.