cfdemSolverIBContinuousForcing command¶

Description¶

“cfdemSolverIBContinuousForcing” is a coupled CFD-DEM solver using CFDEMcoupling, an open-source parallel coupled CFD-DEM framework, for calculating the dynamics between immersed bodies and the surrounding fluid. Being an implementation of a continuous forcing immersed boundary method it allows tackling problems where the body diameter exceeds the maximal size of a fluid cell.

Using the toolbox of OpenFOAM®(*) the governing equations of the fluid are computed and the corrections of velocity and pressure field with respect to the body-movement information, gained from LIGGGHTS, are incorporated.

The code of this solver was contributed by A.N. Balachandran Nair, JKU. For more details, see Balachandran Nair et al. (2021)

Use:

The solver is realized within the open-source framework CFDEMcoupling. Just as for the unresolved CFD-DEM solver cfdemSolverPiso the file CFD/constant/couplingProperties contains information about the settings for the different models. While IOmodel, DataExchangeModel etc. are applicable for all CFDEMcoupling-solvers, special locate-, force- and void fraction models were designed for this solver:

engineSearchIB, ArchimedesIB, ShirgaonkarIB, IBVoidfraction

(Balachandran Nair, 2021) Balachandran Nair, A.N., Pirker, S. and Saeedipour, M., “Resolved CFD-DEM simulation of blood flow with a reduced-order RBC model”, Comp. Part. Mech. (2021)