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A second-order random wave model for predicting the power performances of a wave energy converter

Ying-guang Wang. A second-order random wave model for predicting the power performances of a wave energy converter[J]. Acta Oceanologica Sinica. doi: 10.1007/s13131-020-0000-0
 Citation: Ying-guang Wang. A second-order random wave model for predicting the power performances of a wave energy converter[J]. Acta Oceanologica Sinica.

## A second-order random wave model for predicting the power performances of a wave energy converter

###### Corresponding author:Ying-guang wang E-mail: wyg110@sjtu.edu.cn
• Figure  1.  The simulation of the linear part ${\eta ^{\left( 1 \right)}}(x,t)$ which contains 100 wave elevation points.

Figure  2.  The simulation of the second order correction part ${\eta ^{\left( 2 \right)}}(x,t)$ which contains 100 wave elevation points.

Figure  3.  The simulation of the blue curve entire nonlinear waves $\eta (x,t)$, the red curve linear waves ${\eta ^{\left( 1 \right)}}(x,t)$ and the green curve second order correction waves ${\eta ^{\left( 2 \right)}}(x,t)$ respectively of 150 points wave elevation time series.

Figure  4.  A multi-directional wave spectrum from the measured data at the coast of Yura.

Figure  5.  A part of the measured wave elevation time series at the coast of Yura.

Figure  6.  Comparison between the wave crest amplitudes exceedance probabilities from the linear simulation, from the Rayleigh distribution, from the nonlinear simulation and from the wave crest amplitudes exceedance probabilities results from the measured Yura coast wave data.

Figure  7.  The WEC-Sim model of the chosen heaving two-body point absorber.

Figure  8.  The main dimensions of the chosen heaving two-body point absorber.

Figure  9.  A multi-directional JONSWAP wave spectrum with ${H_S}$=1 m, ${T_p}$=12 s, $\gamma$=1, and a cosine squared spreading function with the spreading parameter equal to 15.

Figure  10.  A corresponding polar plot of the multi-directional JONSWAP spectrum as shown in Fig. 9.

Figure  11.  WEC absorbed power time series under the sea state of linear waves with Hs=12 m

Figure  12.  WEC absorbed power time series under the sea state of nonlinear waves with Hs=12 m

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##### 出版历程
• 网络出版日期:  2021-04-01

## A second-order random wave model for predicting the power performances of a wave energy converter

### English Abstract

Ying-guang Wang. A second-order random wave model for predicting the power performances of a wave energy converter[J]. Acta Oceanologica Sinica. doi: 10.1007/s13131-020-0000-0
 Citation: Ying-guang Wang. A second-order random wave model for predicting the power performances of a wave energy converter[J]. Acta Oceanologica Sinica.

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