Vikas Mendi, Research Scholar, National Institute of Technology Karnataka, Surathkal, Applied Mechanics and Hydraulics, Mangaluru, India, Jaya Kumar Seelam, Senior Principal Scientist, Ocean Engineering Division, CSIR-National Institute of Oceanography, Dona Paula, Panaji, India and Subba Rao, Professor, National Institute of Technology Karnataka,Surathkal, Department of Applied Mechanics and Hydraulics, Mangaluru, India