A fast numerical method for trimaran wave resistance prediction
A fast numerical method for trimaran wave resistance prediction
复制标题
三体波阻力快速数值预测方法
DOI:
10.1016/j.oceaneng.2015.07.008
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发表时间:
2015-10
影响因子:
5
通讯作者:
Hearn Grant E.
中科院分区:
文献类型:
--
作者:
Yu Wei;Chen Xu-jun;Wu Guang-huai;Liu Junyi;Hearn Grant E.
The optimisation of a trimaran configuration is not trivial due to the influence of longitudinal and transverse clearance between the hulls. This sensitivity is illustrated in the predictions presented.The proposed calculation procedure is based on an extension of the slender ship theory of Noblesse. In particular the highly oscillatory terms within the associated Kochin function are expanded as series of products of Bessel functions and Legendre polynomials to facilitate faster computation and to separate out specific parameter dependencies. These objectives allow calculation of constituent terms of the Kochin function as a function of hull clearance parameters, which may be stored externally to the resistance calculation software.The rapid calculation procedure allows identification of optimal trimaran configurations. Comparison between the numerical predictions and experimental measurement based on the authors’ earlier experimental investigations and those of other researchers (Degiuli et al., 2003) has shown good agreement.The wave resistance differences for symmetric and asymmetric outer hull forms for three distinct cases are presented and discussed.
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影响因子:
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DOI:
--
发表时间:
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期刊:
Journal of Ship Mechanics
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10.2478/pomr-2013-0040
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DOI:
10.1109/tmee.2011.6199632
发表时间:
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期刊:
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影响因子:
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