超空泡航行体做受迫纵荡运动的数值模拟 (潘展程; 鲁传敬; 李杰; 郭建红)

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)u^$y\-l{2U0【作者】潘展程; 鲁传敬; 李杰; 郭建红 【作者单位】上海交通大学工程力学系水利论文*P#nG:{ { X*T| `;E.f)[

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(TG-O[y@0【论文摘要】 超空泡高速水下航行体在巡航过程中,往往伴随着非定常的纵荡、垂荡、纵摇运动.本研究通过有限体积法求解非定常 Reynolds 平均 N-S 方程组,基于 Mixture(混合介质) 多相流模型,采用非惯性系法、动计算域法、滑移网格法以及网格重构法等手段,对带空泡航行体做受迫周期纵荡运动进行了数值模拟,并进行了比较,发现动计算域法的计算量省, 精度高,最适合用来对航行体做非定常运动进行数值模拟。

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b_$eI v0a*^.Y9l0【英文论文摘要】 Unsteady surging,heaving and pitching often occurs during the advancing of supercavitating Vehicle.In this paper,based on Mixture model,Unsteady Reynolds Averaged Navier-Stokes(URANS) equations are solved through Finite Volume Method(FVM).The periodical forced-surging of vehicle with ventilated supercavitation is numerical simulated,by using moving coordinate method,moving domain method,sliding mesh technique or remeshing technique.It is the best way by using moving domain method,for its advantage of high accuracy and low calculation amount.

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【论文关键词】 通气超空泡; 纵荡运动; 动计算域法; 数值模拟水利论文 M0bhE;v%[/m7d
【英文论文关键词】 ventilated supercavitation; surging; moving domain method; simulation水利论文TmN)CyOs

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TAG: 郭建红 鲁传敬 潘展程 数值模拟 李杰
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