1. Department of Civil Engineering, National Chung Hsing University, Taichung 40227, Taiwan
2. Department of Mathematics, University of Bergen, P.O. Box 7800, 5020 Bergen, Norway
3. Department of Mathematical Sciences, University of Delaware, Newark, Delaware 19716, USA
4. Université de Pau et des Pays de l’Adour, Anglet Campus, IPRA, EA4581, 64600 Anglet, France
5. Department of Oceanography, University of Hawaii, 1000 Pope Road, Honolulu, Hawaii 96822, USA
6. Department of Data Science and Big Data Analytics, Providence University, Taichung 43301, Taiwan