The Acoustic FEM-BEM Boundary coupling (
) is used to couple the FEM based Pressure Acoustics, Frequency Domain interface to the BEM based Pressure Acoustics, Boundary Elements interface. The coupling works as a two way coupling as most other multiphysics couplings in the Acoustics Module. The coupling prescribes continuity in the total pressure
where pt.bem is the total pressure in the BEM based pressure acoustics interface and
pt,fem is the total pressure in the FEM based pressure acoustics interface.
See Settings for further details about
Label and
Name.
The default Name (for the first multiphysics coupling feature in the model) is
apb1.
This section defines the physics involved in the multiphysics coupling. The Boundary elements acoustics and
Finite elements acoustics lists include all applicable physics interfaces. See the
Coupled Interfaces in
Acoustic-Structure Boundary for details.