Civil and Hydraulic Engineering Frontier Experiment Learning Logs project 1 Experimental Study on the Three-Dimensional Wave Breaking 1.Laboratory:The State Key Laboratory of Coastal and Offshore Engineering 2.Professors:Prof.Guohai Dong,Prof.Marc Perlin(University of Michigan),Associate Prof.Xiaozhou Ma 3.Classroom:The State Key Laboratory of Coastal and Offshore Engineering 4.Content abstract Our overall goal of this experimental study is to determine a model for weakly-three-dimensional breaking waves in the absence of wind forcing.This experiment will focus on wave trains with small approach angles (i.e.weakly three dimensional)that superpose with combined energy densities above thos of stable surfaces.Our first research objective is to conduct controlled laboratory experiments in our unique facility (modified from existing facilities). These physical experiments will provide novel data of wave-wave interactions exclusively during breaking.They can employ the two methods typically used to generate breaking waves or avoid them by isolating the waves until superposition to create controlled breaking with complete optical access for the measurement program 5.Equipments (1 )Wave basin:wave basin with a multi-directional wave generator. (2)Wave surface recording system:equipment to measure the wave surface both in time and in space. 6.Brief introduction of the professors Professor Dong is the Dean of School of Hydraulic Engineering,Dalian University of Technology and the Director of the State Key Laboratory of Coastal and Offshore Engineering.His main research interests are in the "infragravity waves"and "hydrodynamics of sea cages for aquacultral engineering".All his researches are supported by the Natior nal Natural Science Foundation of China, Program for New Century Excellent Talents of Education Ministry of China National Basic Research Program of China,etc.Professor Dong has published more than 30 papers in the well-respected international journals,such as Journal of Fluid Mechanics,Coastal Engineering,Ocean Engineerin Professor Perlin is the professor of the Department of Naval Architecture and Marine Engineering and joint professor of the Departments of Mechanical Engineering as well as Civil and Environmental Engineering.Professor Perlin's active areas of research are in nonlinear water-wave dynamics,contact-line 02