| 有限水深情况下入射波激励力计算方法研究 |
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| 引用本文： | 余建星,董文斌,戴愚志. 有限水深情况下入射波激励力计算方法研究[J]. 中国海上油气, 2005, 17(6): 408-411 |
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| 作者姓名： | 余建星 董文斌 戴愚志 |
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| 作者单位： | 天津大学建筑工程学院 |
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| 摘 要： | 根据线性波理论,提出了一种计算有限水深情况下入射波激励力的方法。该方法以脉冲响应函数为基础,通过傅里叶变换、完全误差函数求解和龙贝格数值积分,得到有限水深情况下实际入射波引起的动压力的时域计算公式,实现了具体计算并提高了计算结果的精度。通过绘制动压力及动弯矩响应图说明了该方法的实用性。
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| 关 键 词： | 线性波 入射波激励力 有限水深 脉冲响应 完全误差函数 |
| 修稿时间： | 2005-06-13 |
Study on the exciting force computing methods of the incident wave in finite water depth |
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| Yu Jianxing,Dong Wenbin,Dai Yuzhi. Study on the exciting force computing methods of the incident wave in finite water depth[J]. China Offshore Oil and Gas, 2005, 17(6): 408-411 |
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| Authors: | Yu Jianxing Dong Wenbin Dai Yuzhi |
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| Abstract: | According to the linear wave theory,the paper suggests a method that is used to evaluate the exciting force of the incident wave in finite water depth.On basis of impulse-response function and through Fourier transform,solution of complementary function and Romberg integration,this method gets a formula to compute time domain of the dynamical pressure caused by the incident wave in finite water depth.Accordingly,it completes the computation and improves the precision of calculated results.Finally the paper plots the dynamical pressure and moment,which illustrate the practicality of this method. |
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| Keywords: | linear wave incident wave exciting force finite water depth impulse-response complementary function |
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