SPH for Developing Supercavity Induced by High Speed Underwater Body

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2014, Vol. 31 ›› Issue (1): 27-32.

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SPH for Developing Supercavity Induced by High Speed Underwater Body

ZHENG Jun^1,2, YU Kaiping², WANG Junfeng¹, LI Changfeng¹

1. School of Energy and Power Engineering, ]iangsu University, Zhenjiang 212013, China;
2. School of Astronautics, Harbin Institute of Technology, Harbin 150001, China

Received:2013-03-16 Revised:2013-06-05 Online:2014-01-25 Published:2014-01-25
Supported by:
Supported by the Natural Science Foundation of China(51006047,10832007 and 11072091);Nature and Science Foundation of Jiangsu Province (SBK201342125)

Abstract

Abstract: Smoothed particle hydrodynamics (SPH) is tested for simulating flow driven by high speed underwater body (FDUB).Developing history of supercavity induced by a body is predicated by SPH.Shape of developed supercavity derived by SPH is compared with result given by principle of independence of cavity sections expansion of Logvinovich.Ghost particle method and Dummy particle method,that remedy boundary deficiency of SPH,are combined to implement wall conditions.

Key words: supercavity, free surface flow, developing history, SPH

CLC Number:

O351.2

ZHENG Jun, YU Kaiping, WANG Junfeng, LI Changfeng. SPH for Developing Supercavity Induced by High Speed Underwater Body[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2014, 31(1): 27-32.

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SPH for Developing Supercavity Induced by High Speed Underwater Body

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