教授 博士生导师 硕士生导师
主要任职: 建设工程学院副院长
其他任职: 海岸和近海工程国家重点实验室主任
性别: 男
毕业院校: 大连理工大学
学位: 博士
所在单位: 建设工程学院
学科: 港口、海岸及近海工程. 流体力学
办公地点: 海岸和近海工程国家重点实验室A309
联系方式: 0411-84708267
电子邮箱: dzning@dlut.edu.cn
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论文类型: 期刊论文
发表时间: 2010-04-01
发表刊物: JOURNAL OF HYDRODYNAMICS
收录刊物: SCIE、EI
卷号: 22
期号: 2
页面范围: 229-240
ISSN号: 1001-6058
关键字: wave-current interaction; floating bodies; time-domain simulation; Time-domain Higher-Order Boundary Element Method (THOBEM)
摘要: A Time-domain Higher-Order Boundary Element Method (THOBEM) is developed for simulating wave-current interactions with 3-D floating bodies. Through a Taylor series expansion and a perturbation procedure. the model is formulated to the first-order in the wave steepness and in the current velocity, respectively The boundary value problem is decomposed into a steady double-body flow problem and an unsteady wave problem Higher-order boundary integral equation methods are then used to solve the proposed problems with a fourth-order Runge-Kutta method for the time marching An artificial damping layer is adopted to dissipate the scattering waves Different from the other time-domain numerical models, which are often focused on the wave-current interaction with restrained bodies, the present model deals with a floating hemisphere. The numerical results of wave forces, wave run-up and body response are all in a close agreement with those obtained by frequency-domain methods. The proposed numerical model is further applied to investigate wave-current interactions with a floating body of complicated geometry. In this work, the regular and focused wave combined with current interacting with a truss-spar platform is investigated