Abstract
Fluid-structure interaction (FSI) has resulted in both complex applications and computing algorithmic improvements. The aim of this paper is to develop a better understanding of the fluid-structure interaction behaviour and the numerical coupling methods which can be used in analysing the FSI problem of a multi-physics nature computationally. There are two different systems in partitioned methods for coupling the fluid and structural domains which use strong and weak couple algorithms. Numerical results have been obtained on the hypothetical models for the close and open-spillways concrete gravity-dam. The two-way coupling partition method has been applied to the dynamic velocity flow and pressure using the ANSYS FEA software. A close comparison between the weak and strong coupled systems of two-way partitioned method has been made for the consideration of both close and open-spillways concrete gravity-dam.
Highlights
Fluid-structure interaction, FSI, can be described as the coupling of fluid mechanics and structure mechanics
The aim of this paper is to develop a better understanding of the fluid-structure interaction behaviour and the numerical coupling methods which can be used in analysing the FSI problem of a multi-physics nature computationally
FSI problems possess the classical multi-physics characteristics which occur in many engineering applications such as aerodynamics, wave-propagation, wind turbines, bio-engineering, offshore structures and bridges
Summary
Fluid-structure interaction, FSI, can be described as the coupling of fluid mechanics and structure mechanics. There are many existing methods and techniques in FSI applications (Friedrich-Karl et al, 2010; Joris et al, 2010; Bathe et al, 2009; Michler et al, 2003; Wulf & Djordje, 2008; Jo et al, 2005; Sandboge, 2010; Mitra, 2008; Akkose et al, 2008; Broderick & Leonard, 1989; Onate et al, 2007), the focus of this paper is to investigate the differences of the partitioned two-way coupling method for the weakly and strongly coupled system. The partitioned method of the FSI problems has been used in ANSYS software where both fluid and structural domains are set up separately and interacted with the coupled field methods of Multi-Field Single-Code Solver (MFS) and load transfer physics environment
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