方尾船繞射問題RANS求解研究（英文）
發(fā)布時間：2018-10-14 18:54
【摘要】：基于RANS方程,采用VOF方法捕捉自由液面,通過自定義函數(shù)UDF在Fluent平臺上建立了三維數(shù)值波浪水池,模擬了規(guī)則波的生成、傳播和消波,發(fā)現(xiàn)波陡對數(shù)值造波的精度有較大影響。求解了規(guī)則波中頂浪航行的方尾船模型的波浪力,并與試驗結(jié)果和勢流理論結(jié)果進行了比較。結(jié)果表明,基于RANS方程的波浪力計算結(jié)果與試驗結(jié)果和勢流理論結(jié)果吻合良好,在長波中與試驗值更接近。
[Abstract]:Based on the RANS equation, VOF method is used to capture the free surface of liquid. A three-dimensional numerical wave pool is established on the Fluent platform by the self-defined function UDF. The generation, propagation and elimination of regular waves are simulated. It is found that the steepness of the wave has a great influence on the accuracy of numerical wave generation. In this paper, the wave forces of a rectangular stern ship model with the top wave in a regular wave are calculated and compared with the experimental results and the potential flow theory. The results show that the calculation results of wave force based on RANS equation are in good agreement with the experimental results and the potential flow theory, and are closer to the experimental values in the long wave.
【作者單位】： 海軍工程大學艦船工程系;
【基金】：Supported by the National Natural Science Foundation of China(No.50879090) the Key Program of Hydrodynamics of China(No.914A14030712JB11044)~~
【分類號】：U661.1
本文編號：2271344
[Abstract]:Based on the RANS equation, VOF method is used to capture the free surface of liquid. A three-dimensional numerical wave pool is established on the Fluent platform by the self-defined function UDF. The generation, propagation and elimination of regular waves are simulated. It is found that the steepness of the wave has a great influence on the accuracy of numerical wave generation. In this paper, the wave forces of a rectangular stern ship model with the top wave in a regular wave are calculated and compared with the experimental results and the potential flow theory. The results show that the calculation results of wave force based on RANS equation are in good agreement with the experimental results and the potential flow theory, and are closer to the experimental values in the long wave.
【作者單位】： 海軍工程大學艦船工程系;
【基金】：Supported by the National Natural Science Foundation of China(No.50879090) the Key Program of Hydrodynamics of China(No.914A14030712JB11044)~~
【分類號】：U661.1
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