Hydrodynamic Characteristics of Square Heaving Plates with Opening Under Forced Oscillation

作者：CONG Long-fei,TENG Bin

摘要：The existence of the heaving plates can improve the heaving motion performance of an offshore structure significantly by providing both extra added mass and damping.In the current research,numerical investigation is carried out on the hydrodynamic characteristics of both isolated square heaving plate and double square heaving plates with opening by an immersed boundary-lattice Boltzmann method.The effects on hydrodynamic performance of plates due to Keulegan-Carpenter(KC)number,frequency number,opening ratio,opening distribution and spacing of plates are examined.It is found that the heaving plates with optimized opening ratio can provide additional damping compared with the plates without opening.Better hydrodynamic characteristics of double plates can be obtained with the increase of plate spacing.

发文机构：State Key Laboratory of Coastal and Offshore Engineering

关键词：immersedboundary-latticeBOLTZMANNmethodSQUAREheavingPLATEOPENINGshapeOPENINGratioOPENINGdistributionPLATESPACING

分类号： O17[理学—数学][理学—基础数学]