FSI Analysis On Vertical Beam CFD Simulation, ANSYS Fluent Training

A sophisticated study of Fluid-Structure Interaction (FSI) analysis on a vertical beam looks at the interactions between fluid forces and the structural dynamics of a vertically oriented beam. In many engineering specialties, including mechanical, aerospace, and civil, structures are frequently exposed to fluid flows, such as water or wind currents. For this reason, this study is essential. Same as always, this study relies on a reference paper entitled “ An evaluation of quasi-Newton methods for application to FSI problems involving free surface flow and solid body contact”.

Figure 1- Schematic outline of the problem

Simulation Process

The coupling of ANSYS Fluent and ANSYS Structural is required to see interactions between solid and fluid regions. Two regions are initially designed using Design Modeler. It is then descritized into a structured grid. The vertical beam is made of steel with Young`s Modulus of 2.7e+7 Pa and 0.35 Poisson`s Ratio. Wind blows with 0.1 m/s velocity, colliding with a vertical beam and exerting forces on it.

Post-processing

Significant information about the vertical beam’s structural reaction to wind load is revealed by the FSI analysis, which is fixed at one end at the ground. According to the simulation, the beam’s free tip experiences a maximum deformation of 9 mm due to wind force. The displacement is largest at the tip and gradually decreases towards the fixed end as it travels along the beam’s length. This deformation pattern is consistent with what would be expected from a cantilevered beam under lateral loading.