Numerical modelling and fluid-structure interaction of composite propeller foil using ANSYS

This thesis work is focused on developing a numerical modelling approach for the next generation low noise naval propellers using the software ANSYS and determining the hydro-elastic response of the composite propeller using Fluid-Structure interaction approach. The composite propeller foil is based on a NACA009 profile with a modification to accommodate a thicker trailing edge for the ease of manufacturing and performed a sweep along the foil for a better bend-twist behavior. The Finite Element modelling of the foil of marine propeller is presented. The software, ANSYS along with the tool called Composite Pre-Post has been used because of the complexity of the foil to be modelled. The material selection and the stacking sequence are then applied to model the foil correctly as provided by the various bodies involved in the project. Later, some structural analyses have been presented using Ansys Mechanical to analyze the behavior of the composite foil in comparison with their metal counterparts. Finally, a fluid-structure interaction method using ANSYS Mechanical and Fluent is presented to determine the hydro-elastic aspects of the foil.

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