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带自由液面的RANS方法比较 （赵发明; 陈京普; 高成君）

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m1ur"UbA?0带自由液面的RANS方法比较

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【作者】赵发明; 陈京普; 高成君 【作者单位】中国船舶科学研究中心

3Q!D @#R#q*I.Zn0【论文摘要】 本研究采用 RANS 方法计算带自由液面的船体绕流问题。自由的模拟分别采用自由液面追踪法和单相 Level-Set 方法,Reynolds 应力采用 k-ω模型,采用有限差分方法和 PISO 算法求解 RANS 方程.文章简要描述了上述两种自由液面模拟方法的数学模型及求解.通过对 Wigley 船型的数值求解及与试验结果的比较表明两种自由面方法均可较好模拟带自由液面绕流问题.
【英文论文摘要】 The free surface viscous flow around a ship model moving ahead is computed by solving the RANS equations with a finite difference method,PISO scheme and the k-ω turbulence model. The free surface is simulated with free surface tracing method and Single phase Level-set technique. And after describing the two free surface mathematical model and their numerical implementation, computed result for Wigley are present by the two method and compared with available experimental data.
【论文关键词】 自由液面追踪法; Level-set 方法; PISO 算法; κ-ω湍流模型水利论文rZ_i@K/xn
【英文论文关键词】 Free surface tracing; Level-Set technique; PISO scheme; k-ω turbulence model
 
 
TAG: 陈京普 高成君 赵发明 RANS 自由液面
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