Chaoyi LI¹, Vbs CHAN¹, *Yuan MENG¹, C HE², H YAO², H SHIH³, V THIYAGARAJAN¹ (1.Swire Institute of Marine Sciences and School of Biological Sciences, The University of Hong Kong, 2.Department of Mechanical Engineering, The Hong Kong Polytechnic University, 3.Department of Civil Engineering, The University of Hong Kong)