DYNAMIC RESPONSE OF A GANGWAY BETWEEN TWO FLOATING BODIES IN A SIDE-BY-SIDE CONFIGURATION

被引：0

作者：

Dong, Qing ^{[1
]}

Yang, Jianmin ^{[1
]}

Lu, Haining ^{[1
]}

Li, Xin ^{[1
]}

Lu, Wenyue ^{[1
]}

Liu, Lei ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, State key Lab Ocean Engn, Shanghai 200240, Peoples R China

来源：

PROCEEDINGS OF THE ASME 38TH INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING, 2019, VOL 7A | 2019年

关键词：

D O I：

暂无

中图分类号：

P75 [海洋工程];

学科分类号：

0814 ; 081505 ; 0824 ; 082401 ;

摘要：

A number of tender assisted drilling platforms (TAD) are built to offer comfortable accommodation for crew, onsite construction and maintenance for production platforms. The two platforms are usually connected by a telescopic gangway. The safety and feasibility of gangway are essential during personnel transfer operation. In this paper, a TLP-TAD coupled system was investigated numerically and experimentally to study the gangway motion responses. The numerical model was established in frequency domain using 3D multi-body diffraction/radiation wave theory. Then time domain simulation was performed to consider the second-order drift loads and nonlinearity of mooring lines and hawsers. A systematic model test was also conducted for the coupled system. The connection point between gangway and platform was regarded as a joint, so gangway motion could be derived by global motions of TLP and TAD. Both single -body and multi-body cases were studied for comparison. The differences of global responses between two cases were relatively small, indicating that multi-body hydrodynamic interaction was not quite significant. The interaction aroused sway -surge and sway-heave coupling, and shielding effect also existed. Based on the above, gangway extension was investigated to analyze which degree offreedom (DOF) ofglobal motion governed it.

引用

页数：10

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