1. Division of Engineering, University of Fukui, 3-9-1 Bunkyo, Fukui-shi, Fukui 910-8507, Japan (Corresponding author), e-mail: hiyoshin@u-fukui.ac.jp, https://orcid.org/0000-0001-8385-8843
2. Department of Mechanical Engineering, Ritsumeikan University, 1-1-1 Noji-higashi, Kusatsu-shi, Shiga 525-8577, Japan, https://orcid.org/0000-0002-3210-3982 (T.I.)
3. Division of Mechanical Engineering, Oita University, 700 Dannoharu, Oita-shi, Oita 870-1192, Japan, https://orcid.org/0000-0002-5730-3921