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FSI Workflow Using Advanced RBF Mesh Morphing

  • Marco Evangelos BiancoliniEmail author
Chapter

Abstract

Advanced workflow for fluid structure interaction (FSI) modelling using computer-aided engineering (CAE) tools suitable for the simulation of fluids and structures, that typically are related to computational fluid dynamics (CFD) and computational structural mechanics (CSM) techniques respectively, are demonstrated in the present chapter. In this context, RBF are adopted to interface structure and fluid. In the two-way approach the loads computed using CFD (pressures and shear forces) are transferred to the structure using RBF interpolation for the mapping at surfaces (the mapping topic is further deepened in Chap.  13), whilst deformation computed using CSM are then transferred to the CFD mesh using mesh morphing. The latter approach can be also used to transfer the modal shapes, computed using eigenvalues extraction performed through a finite element analysis (FEA) for instance, on the CFD mesh. The effectiveness of the two possible FSI approaches is demonstrated with practical applications pertaining to aeronautical and motorsport fields. The reported FSI implementation can be used to tackle both steady and transient problems. The chapter is concluded showing how the method can handle vortex induced vibrations of a wing in water and the transient effect due to the separation of a store from the wing of an aircraft.

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2017

Authors and Affiliations

  1. 1.Department of Enterprise Engineering “Mario Lucertini”University of Rome “Tor Vergata”RomeItaly

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