**Author details**

Hsin‐Fu Yeh1\*, Chen‐Feng Yeh<sup>1</sup> , Jhe‐Wei Lee<sup>2</sup> and Cheng‐Haw Lee<sup>1</sup>

\*Address all correspondence to: hfyeh@mail.ncku.edu.tw

1 Department of Resources Engineering, National Cheng Kung University, Tainan, Taiwan

2 Department of Hydraulic and Ocean Engineering, National Cheng Kung University, Tain‐ an, Taiwan
