Flow induced vibration of tube bundles remains an important problem in the nuclear industry. A number of theories modeling fluidelastic instability have been developed. In those theories, understanding the influence of a tube on its neighbors is of primary importance. Since it is very difficult and time consuming to measure the complete set of cross-coupling effects, numerical simulations could provide a valuable alternative. The main purpose of this paper is to propose the Sensitivity Equation Method (SEM) as a new approach to finding the inter-cylinder coupling effects, which are usually quantified by the derivatives of lift and drag coefficients of all tubes with respect to the coordinates of the reference tube’s location.
Determination of Coupling Force Derivatives in Tube Bundles Using the Shape Sensitivity Equation Method
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Watteaux, R, Mureithi, N, & Pelletier, D. "Determination of Coupling Force Derivatives in Tube Bundles Using the Shape Sensitivity Equation Method." Proceedings of the ASME 2007 Pressure Vessels and Piping Conference. Volume 4: Fluid-Structure Interaction. San Antonio, Texas, USA. July 22–26, 2007. pp. 263-270. ASME. https://doi.org/10.1115/PVP2007-26061
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