An anti-motion device for a very large floating structure

Hydroelastic analysis of a floating plate of finite draft

“…[14]; the geometrical optics approach [10][11][12]; the corresponding ray method, e.g. [13], and the parabolic approximation method [15][16][17]; the variational approach [18]; the variational equation method [19]; the Wiener-Hopf technique [20,21]; the Galerkin method [22]; the accelerated Green's function method [23]; the boundary element method (BEM) [24]; the finite element method (FEM); the hybrid FEM-BEM method; the higherorder-coupled BEM-FEM method; the fast multipole method, etc. More details, and descriptions of the methods and VLFS analysis can be found in [1][2][3][4].…”

“…[14,15,21]. The authors in [10][11][12][28][29][30] derived the solutions for different horizontal planforms of the floating plate using the zero-draft (zero thickness) assumption, too.…”

“…n have been computed, the total deflection is given by formula (15). It is not possible to estimate the convergence speed of amplitudes a (0) n and a (1) n analytically, but we did it numerically.…”

Reducing Hydroelastic Response of Very Large Floating Structure: A Literature Review

“…The purpose of these devices is to reflect the incident wave so, only small portion of wave energy propagates beneath the floating structure. The proponents of this approach are Ohta et al [32,33], Utsunomiya et al [34], Takagi et al [35], Watanabe et al [36] and Pham et al [37]. Ohta et al [33] proposed a reverse T-shape device, an Lshape, a reverse-L-shape, and a beach-type plated structure as anti-motion devices.…”

“…They concluded that L-shape plate anti-motion device is more effective against long waves whereas the beach-type and reverse-L-shape anti-motion devices are more effective against short waves. Takagi et al [35] proposed a boxshaped anti-motion device attached to fore end of VLFS. They investigated the effects of this device theoretically and experimentally.…”