以海面質(zhì)點(diǎn)垂向加速度為判據(jù)的白浪繪制
[Abstract]:Sea surface elevation is often used in white wave rendering. Jacobian determinant is used as the criterion of white wave generation, but these two methods lack the support of marine engineering related theories, and the rendering results are not realistic enough. In order to solve the above problems, a white wave rendering method based on the vertical acceleration of sea surface particles is proposed in this paper. In this paper, the inverse fast Fourier transform of vertical acceleration of sea surface particles is derived, and a continuous random function of white wave coverage with vertical acceleration of sea surface particles as a variable is given to control the fading time of white waves by adjusting the parameters of the function. The experimental results show that the mean white wave coverage calculated by this function is equal to the white wave coverage calculated by statistical model. The white wave coverage is used as the fusion factor to combine the white wave texture pixel color and the sea surface pixel color. The white wave rendering method proposed in this paper has a reasonable theoretical basis, the amount of calculation is small, the white wave is close to the description of the white wave by the Brinell wind level, and the frame rate can be calculated in real time.
【作者單位】: 廣州航海學(xué)院海運(yùn)學(xué)院;大連海事大學(xué)航海動(dòng)態(tài)仿真與控制交通行業(yè)重點(diǎn)實(shí)驗(yàn)室;
【基金】:國(guó)家高技術(shù)研究發(fā)展計(jì)劃(2015AA016404) 中央高;究蒲袠I(yè)務(wù)經(jīng)費(fèi)項(xiàng)目(3132013302)
【分類號(hào)】:TP391.41
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