SurfaceRoughnessModel# class ansys.edb.core.simulation_setup.siwave_psi_simulation_settings.SurfaceRoughnessModel(value)# Provides an enum representing SIWavePSI surface roughness models. Attributes SurfaceRoughnessModel.NONE SurfaceRoughnessModel.EXPONENTIAL SurfaceRoughnessModel.HAMMERSTAD