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Estimation of the responses of axisymmetric bodies in spread irregular waves

机译:估计不规则波中轴对称物体的响应

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摘要

A method is presented of estimating the responses of axisymmetric bodies floating in spread irregular seas, using a Laplace transfer-function formulation of a floating body time-domain model. A general-case spread-wave model is formulated, using separate wave excitation transfer functions, and a simplification of this approach is proposed, reducing both model complexity and computation time. Responses are computed using both approaches and a comparison made to assess the circumstances in which the simplified approach may be used effectively. The results are also interpreted to highlight the implications of using an equivalent unidirectional wave as an approximation to a spread wave.
机译:提出了一种使用浮体时域模型的拉普拉斯传递函数公式估算在不规则海域中漂浮的轴对称体的响应的方法。利用单独的波激励传递函数建立了一般情况下的扩展波模型,并提出了该方法的简化方法,从而降低了模型的复杂性和计算时间。使用这两种方法计算响应,并进行比较以评估可以有效使用简化方法的情况。还解释了结果,以突出显示使用等效单向波作为扩展波的近似含义。

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