Abstract
The research object of this article is an asymmetric semi-submersible lifting platform, which is different from the traditional semi-submersible platform. It has an asymmetric lower hull structure. A heavy crane is installed on the right side of the platform body which is larger than the other side. Based on the three-dimensional potential flow theory, the hydrodynamic performance of the asymmetric semi-submersible lifting platform under operating conditions was studied by using the numerical calculation method of the hydrodynamic calculation software AQWA by adding viscous damping coefficients, and multiple wave angles. The RAO response amplitude operator, first- and second-order wave forces, additional mass and other hydrodynamic parameters are used to analyze the characteristics of various hydrodynamic parameters of asymmetric semi-submersible lifting platforms.
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