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The Oblique Water Entry Impact of a Torpedo and Its Ballistic Trajectory Simulation

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High Performance Computing and Applications

Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 5938))

Abstract

The torpedo water entry impact has a great effect on its underwater ballistic trajectory. In the paper, by wind tunnel experiments we get the torpedo water entry drag coefficient, amending it with supercavitation continuous factor and local cavity effect factor, and then the torpedo motion equation is established. Finally, the large scale nonlinear finite element software MSC.dytran is used to simulate the initial water entry impact of a Disk-Ogive-Head [1] torpedo. Then the motion parameters in the end of this stage are input into the motion equation as initial input values; finally, two parts of data are combined to get the whole parameters. The model uses cavitation number to determine torpedo’s cavity, supercavitation, partial cavity or full wet navigation stage.

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References

  1. Yonghu, W.: Dynamic Response Analysis of Airborne Torpedo and Deep-mine during Water-Entry Impact and Research of the Relative Technology. Ph.D, NWPU (2008)

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  4. Dytran 2008 r1 Reference Manual (2008)

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  5. Yuwen, Z.: Torpedo Profile design. NWPU Press, Xi’an (1998)

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  6. Yuwen, Z.: Trajectory and ballistic design of torpedo. NWPU Press, Xi’an (1999)

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Author information

Authors and Affiliations

  1. School of Marine, Northwestern Polytechnical University, Xi’an, 710072, P.R. China

    Zhaoyu Wei, Xiuhua Shi & Yuanbo Xin

  2. Flight Technology college, civil aviation flight university of China, 618307, P.R. China

    Yonghu Wang

Authors
  1. Zhaoyu Wei
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  2. Xiuhua Shi
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  3. Yonghu Wang
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  4. Yuanbo Xin
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Editor information

Editors and Affiliations

  1. School of Computer Engineering and Science, Shanghai University, 200072, Shanghai, P.R. China

    Wu Zhang  & Weiqin Tong  & 

  2. Schulich School of Engineering, University of Calgary, T2N 1N4, Calgary, AB, Canada

    Zhangxin Chen

  3. Department of Mathematics, University of Wyoming, 1000 University Avenue, 82071-3036, Laramie, WY, USA

    Craig C. Douglas

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© 2010 Springer-Verlag Berlin Heidelberg

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Wei, Z., Shi, X., Wang, Y., Xin, Y. (2010). The Oblique Water Entry Impact of a Torpedo and Its Ballistic Trajectory Simulation. In: Zhang, W., Chen, Z., Douglas, C.C., Tong, W. (eds) High Performance Computing and Applications. Lecture Notes in Computer Science, vol 5938. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-11842-5_62

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  • DOI: https://doi.org/10.1007/978-3-642-11842-5_62

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-11841-8

  • Online ISBN: 978-3-642-11842-5

  • eBook Packages: Computer ScienceComputer Science (R0)

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