悬跨海管外部流场的数值模拟(李磊; 林缅)

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U*e3Y#V2N q0【作者】李磊; 林缅 【作者单位】中国科学院力学研究水利论文;^|k.g%m.E |

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【论文摘要】 本研究采用三维大涡数值模拟的方法建立了计算悬跨海管外部流场的数值模型, 计算有底床存在情况、不同间隙比时悬跨海管附近的外部流场.通过与前人的研究结果比较表明,该模型能够更好地模拟悬跨海管的水动力环境,为分析底床对悬跨海管受到的水动力载荷的影响奠定基础.

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C5gd~C`kh0【英文论文摘要】 A numerical model is established to calculate the external flow field around a free spanning pipeline using three dimensional large eddy simulation in this paper.The external flow fields outside the free span with two different gap ratios are obtained.The model is verified more delicate in simulating the dynamic environment outside free span by comparing the former research results.The foundation is laid for analyzing the influence of seabed to dynamic loads on free span.水利论文1DmS&h8O@-dW

2m_rsNq h]%O0【论文关键词】 底床; 悬跨海管; 大涡模拟; 流场水利论文vk1]MS9\X*[
【英文论文关键词】 seabed; free span; large eddy simulation; flow field水利论文_!XU]#pv `c~ab
【基金】中国科学院知识创新工程重要方向项目(项目编号 KZCX2-YW-212-2)资助

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TAG: 流场 数值模拟 李磊 林缅 跨海
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