Dynamic modeling of sail mounted hydroplanes system-part II: Hydroelastic behavior and the impact of structural parameters and free-play on flutter

详细信息    查看全文

• 作者：Chen Dongyang^a ; Laith K. Abbas^a ; ; Rui Xiaoting^a ; Xiao Qing^b ; Pier Marzocca^c
• 关键词：Hydroplanes system ; Fluid-structure interface ; Two-way coupling ; Hydroelasticity ; Free-play ; Limit cycle oscillations
• 刊名：Ocean Engineering
• 出版年：2017
• 出版时间：1 February 2017
• 年：2017
• 卷：131
• 期：Complete
• 页码：322-337
• 全文大小：2844 K
• 卷排序：131

文摘

Investigates the hydroelastic response of the full-scale marine sail mounted hydroplanes system in viscous flow using CFD/CSD two-way coupling method. Lift coefficient is computed by CFD leading to a modification of the Theodorsen’s model. The results show that the hydroplanes system is free from classical flutter problem for high mass density values. For this hydroplanes system, freeplay nonlinearity induce LCO only at low speeds, causing water noise. Static hydroelastic phenomenon may reduce hydroplanes operating efficiency due to freeplay nonlinearities.