Direct finite element simulation of turbulent flow for marine based renewable energy
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In this article we present a computational framework for simulation of turbulent flow in marine based renewable energy applications. In particular, we focus on floating structures and rotating turbines. This work is an extension to multiphase turbulent flow, of our existing framework of residual based turbulence modeling for single phase turbulent incompressible flow. We illustrate the framework in four examples: a regular wave test where we compare against an exact solution, the standard MARIN wave impact benchmark with experimental validation data, a vertical axis turbine with complex geometry from an existing turbine, and finally a prototype simulation of decay test in a coupled moving boundary rigid-body and two-phase fluid simulation.