1. Professor, Dept. of Mechanical Engineering, Amrita School of Engineering, Amritapuri, Amrita Vishwa Vidyapeetham, Amrita Univ., Kollam, Kerala 690525, India.
2. Graduate Student, Dept. of Mechanical Engineering, Amrita School of Engineering, Amritapuri, Amrita Vishwa Vidyapeetham, Amrita Univ., Kollam, Kerala 690525, India.
3. Associate Professor, Dept. of Aerospace Engineering, Amrita School of Engineering, Ettimadai; Amrita Vishwa Vidyapeetham, Amrita Univ., Coimbatore, Tamil Nadu 641112, India (corresponding author).