INTRODUCTION: PROGRESSIVE WATER WAVES CAN BE SEVERELY DAMPED OVER MUDDY BEDS. THIS DAMPING IS ASSIGNED TO THE BOTTOM PRESSURE OF THE WAVE DEFORMING THE VISCOUS MUD, CREATING A WAVE ON THE INTERFACE BETWEEN THE WATER AND THE MUD, DEFINED AS THE LUTOCLINE. THE MOVEMENT OF LUTOCLINE CAN CAUSE MUD MIGRATION THROUGH STOKES DRIFT [1]. FOR PREDICTION OF DAMPING MECHANISM, SEVERAL THEORETICAL, EXPERIMENTAL AND NUMERICAL STUDIES HAVE BEEN CARRIED OUT. IN THIS RESEARCH, ALES-VOF METHOD HAS BEEN IMPLEMENTED IN THE WISE 2DV NON-HYDROSTATIC NUMERICAL MODEL [2] FOR SIMULATION OF WAVE-MUD INTERACTION. FOR A MORE ACCURATE SIMULATION OF WATER FREE SURFACE AND INTERFACE OF MUD AND WATER, ADVANTAGES OF ALES AND VOF METHODS ARE INTEGRATED...