Online Training

Fluid-Structure Interaction Modeling

October 13, 2021 9:00 AM – 11:00 AM CEST

Rigid-body fluid-structure interaction (FSI) modeling describes how the presence of immersed objects affects the flow field and how the forces from the surrounding fluid influence the dynamics of the object. CONVERGE can simulate both rigid-body FSI and non-rigid-body 1D beam deformation. In this session we will discuss the theory behind FSI, the numerics of the dynamics solver, and the coupling of the dynamics solver to the flow solver. We will consider several examples of FSI modeling in CONVERGE, including a two-cylinder compressor with spring-loaded valves, a pressure-relief ball valve, beam deformation under fluid forces, and a wastegate valve. We will also discuss options for performing coupled FSI simulations with third-party software, such as Abaqus, which enables simulating more complex deforming bodies (e.g., vortex-induced beam vibration or reed valve petals). *This session does not include hands-on CONVERGE Studio practice.

*This lecture does not include hands-on CONVERGE Studio practice.

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