Turbulent alteration in bounded liquid metals flow within a uniform transverse magnetic field are examined using Large-eddy simulation (LES) methodology. The effect of magnetic field on turbulence suppression are analysed for a concentric pipe and a square duct. The calculations are run at Reynolds numbers (based on bulk velocity and hydraulic diameter) of 5600 and 8900, and for Hartmann numbers, \(Ha \leqslant 125\) . Anisotropic effects, causing turbulence to deviate from its conventional state, are observed for the concentric pipe for \(Ha=60\) and \(Ha=120\) . This effect appears to be related to the appearance of coexisting quasi-2D and 3D turbulence states. Turbulence suppression and regeneration is studied for a duct flow for various wall conductivity parameter \(c_w\) . It is shown that highly conductive Hartmann walls can trigger turbulence in an otherwise laminar flow, apparently due to the local re-organization of electric currents.