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Yoshito Tsuchiya

Bio: Yoshito Tsuchiya is an academic researcher. The author has contributed to research in topics: Wave shoaling & Lamb waves. The author has an hindex of 1, co-authored 1 publications receiving 9 citations.

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Journal ArticleDOI
Bernard Molin1
TL;DR: In this paper, a non-linear theory is presented to derive second-order waveloads, in terms of the wave-steepness, which makes the solution valid for all range of wave frequencies.

223 citations

Journal ArticleDOI
TL;DR: In this article, the wave loadings on large circular cylinders are estimated by extending Lighthill's method for deep water waves to waves in water of arbitrary but uniform depth, which is a rather elegant technique for estimating the wave loads.
Abstract: This paper gives a rather elegant technique for estimating the wave loadings on large circular cylinders. It extends Lighthill’s method for deep water waves to waves in water of arbitrary but uniform depth. Analytical solutions have been presented and checked with Lighthill’s results for deep water waves for accuracy

10 citations

Journal ArticleDOI
TL;DR: In this article, the forces and overturning moments exerted by second order waves on large vertical circular cylinders are analyzed, where the mathematical equations governing the physical system are the three-dimensional Laplace's equation satisfied by the velocity potential ϕ ( x, y, z, t ) and the boundary conditions, namely the dynamic boundary condition which is obtained from the Bernoulli's equation, kinematic boundary condition, radiation condition, bottom boundary condition and the zero radial velocity condition on the surface of the cylinder.

7 citations

DOI
11 Aug 1995
TL;DR: In this article, an approximate method for the second-order wave interactions with arrays of vertical cylinders of arbitrary cross-section is proposed, and the results are verified by comparing with wave tank experiments in the valid range of the Stokes secondorder wave theory, where the first-order boundary value problems are derived by perturbation method, and Green's identity formula is used to express the distribution of the velocity potentials on horizontal plane.
Abstract: This paper proposes an approximate calculation method for the secondorder wave interactions with arrays of vertical cylinders of arbitrary cross section. In mathematical formulations, the first- and the second-order boundary value problems are derived by perturbation method, and Green's Identity Formula is used to express the distribution of the velocity potentials on horizontal plane. Second-order water surface elevations near the cylinders and wave forces acting on the cylinders are computed, and the results are verified by comparing with wave tank experiments in the valid range of the Stokes second-order wave theory.

6 citations

Journal ArticleDOI
TL;DR: In this paper, a finite-infinite element method for solving the second order wave diffraction problem is presented, which is based on the inhomogeneous far field condition and its corresponding higher order asymptotic solutions for the second-order diffracted potential suggested by Li 9, and follows the finite-inverse element method as used by Lau and Ji 18.

4 citations