波浪中を曳航される弾性円板状浮体の流力弾性挙動 : その1 理論の定式化と解析解の導出

概要

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The boundary-value problem is formulated to predict the hydroelastic response of a mat-like floating circular plate advancing slowly in waves. The plate is modeled as an elastic plate with zero draught. The potential flow theory is employed with low forward-speed assumption. This allows the governing variables be expanded in a perturbation series of forward speed. Retaining the leading-order terms of the speed-dependent parts, the problem is reduced to two sets of boundary-value problems for the velocity potentials, for which analytical solitions are derived by applying the domain-matching method in cylindrical co-ordinates. The solutions may be useful not only to understand parametrically the fundamental nature of the forward speed effects (or equivalently, wave-current interaction effects) on the hydroelastic behavior of a floating circular plate but also to provide benchmark data for validating other numerical techniques for mat-like floating structures of arbitrary shape.
社団法人日本建築学会の論文
2004-03-30