*Detong Lyu¹, Naoyuki Naoyuki², Hiroshi Oka², Shigehito Isobe² (1. Hokkaido University, 2. Hokkaido University )

*Akihiro Mitsuhara¹, Hajime Hajime², hiroshi Yukawa², Shinpei Watanabe¹ (1. nagaya univ, 2. nagaya univ)

*taiga kimura¹, kenji kenji² (1. 茨城大工(院生)、2. 茨城大学院(准教授))

*Keito SAWAHARA¹, Ryota Ryota² (1. Graduate School of Engineering, Tokai Univ., 2. Graduate School of Engineering, Tokai Univ.)

*Masakuni YAMAGUCHI¹, Nanxu Nanxu², Hiroki MIYAOKA^1,2, Yoshitsugu KOJIMA^1,2 (1. N-BARD, Hiroshima University, 2. Graduate school of advanced sciences matter, Hiroshima University)

*MEI MITSUI¹, Yuki Yuki², Tamaki Shibayama² (1. Grad. School of Eng., 2. Faculty of Eng.)