Based on the discrete-module-beam (DMB) method and stiffness approximation method (SAM), this paper establishes a hydroelastic model for interconnected very large floating structures (VLFS). The core of the DMB method involves discretizing VLFSs into multiple rigid modules, which are subsequently interconnected by multiple beam elements. To accurately model hinge connections between modules, the SAM is employed. Thus, the present study performs a hydroelastic analysis of the interconnected VLFS by coupling multi-body hydrodynamics, Euler–Bernoulli beam assumption, and hinge stiffness matrix. To ensure the accuracy of the proposed method, the validation is conducted based on existing data. Afterward, this paper analyzes the effects of hinge properties on the hydroelastic behavior of VLFSs under wave–current interactions, including the position, number, and stiffness. The results indicate that the hinge properties significantly influence the hydroelastic response of the VLFS. On the whole, the analytical methods and findings presented in the present study provide valuable insights into the practical engineering applications of VLFS.
Wu et al. (Fri,) studied this question.
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