1. Research Scholar, National Institute of Technology Karnataka, Srinivasnagar, Dakshina Kannada District, Mangalore 575025, India; formerly, Dept. of Applied Mechanics and Hydraulics, Surathkal, Mangalore, 575025, India.
2. Assoc. Prof., Dept. of Applied Mechanics and Hydraulics, National Institute of Technology Karnataka, Surathkal, Mangalore, 575025, India (corresponding author).