Best practices for flow simulations with waves

The accuracy of flow simulations involving wave propagation and wave-body or wave-boundary interaction is affected by many parameters. In order to obtain optimal results, i.e. the highest possible accuracy for the given computing effort, the influencing parameters should be carefully selected. In this presentation the effects of the following parameters and their optimal values will be discussed:

- Temporal discretization (1st-order vs. 2nd-order fully implicit scheme)

- Grid resolution (number of cells per wavelength and wave height)

- Grid aspect ratio

- Angle factor of the HRIC-scheme

- Interface momentum dissipation model

- Gradient limiters

- Choice of turbulence model and initial and boundary conditions for turbulence variables

In addition, the optimal setup of wave damping and solution forcing parameters will be discussed in order to achieve minimum wave reflection at boundaries. Several simulation examples will be used to demonstrate the influence of each parameter.

Presenter(s): 
CoMeT GmbH
Milovan Peric
Presentation Image: 
Session Time Slot(s): 
Time: 
07/03/2017 - 12:00pm-07/03/2017 - 12:25pm
Room: 
Convention Hall 1D
Session Track: 

Session Tracks (STAR Global Conference 2017)