1. Professor and Brahmaputra Chair, Dept. of Civil Engineering, Indian Institute of Technology, Kharagpur 721302, West Bengal, India (corresponding author).
2. Doctoral Research Fellow, Dept. of Civil Engineering, Indian Institute of Technology, Kharagpur 721302, West Bengal, India.
3. Visiting Fellow, Center for Theoretical Studies, Indian Institute of Technology, Kharagpur 721302, West Bengal, India.
4. Professor, School of Engineering, Design and Technology, Univ. of Bradford, Bradford BD7 1DP, UK.
5. Research Engineer, Instituto de Agricultura Sostenible, Consejo Superior de Investigaciones Cientificas, Finca Alameda del Obispo, E-14080, Cordoba, Spain.