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首页> 外文期刊>International Journal of Offshore and Polar Engineering >Performance Evaluation of the Floating Pendulum Wave Energy Converter in Regular and Irregular Waves
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Performance Evaluation of the Floating Pendulum Wave Energy Converter in Regular and Irregular Waves

机译：浮摆能量转换器在规则和不规则波中的性能评估

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摘要

In this paper, we carried out a numerical investigation of the hydrodynamic performance of a floating pendulum wave energy converter (WEC). This movable-body-type device consists of three main parts: floater, pendulum and damping plate. The performance of the WEC device was evaluated under regular and irregular wave conditions using frequency-domain floating body dynamics. In this study, the higher-order boundary element method (HOBEM) based on potential flow model was applied to obtain the hydrodynamic coefficients and wave exciting forces acting on floating bodies. The hinged motion of the pendulum was simulated by applying the penalty method. In order to avoid an unrealistic resonant response, numerical body damping was adopted. The coupled dynamics of floater and pendulum were analyzed as a hinged multi-body model. First, the wave force and motion characteristics of the device in regular waves were studied. Then, the performance of the WEC device was evaluated under irregular wave conditions. The effects of the main shape parameters on power absorption and floater motion were numerically investigated.
机译：在本文中，我们对浮动摆波能量转换器（WEC）的水动力性能进行了数值研究。该活动体型装置由三个主要部分组成：浮子，摆锤和阻尼板。使用频域浮体动力学在规则波和不规则波条件下评估了WEC设备的性能。在这项研究中，基于势流模型的高阶边界元方法（HOBEM）被应用于获得作用于浮体上的流体动力系数和激波力。应用罚分法模拟了摆的铰接运动。为了避免不切实际的共振响应，采用了数值阻尼。浮动和摆的耦合动力学作为铰接多体模型进行了分析。首先，研究了设备在规则波浪中的波浪力和运动特性。然后，在不规则波条件下评估WEC设备的性能。数值研究了主要形状参数对功率吸收和浮子运动的影响。

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