Research on Hydrodynamic Characteristics of Self-separation Deploying UUV Based on MRF and Overset Mesh

JIN Cegang; YANG Zhuangtao; ZHANG Tao; DUAN Hao; Yuan Sihuan; Zhu Min; CHEN Weixin

doi:10.11993/j.issn.2096-3920.2025-0109

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JIN Cegang, YANG Zhuangtao, ZHANG Tao, DUAN Hao, Yuan Sihuan, Zhu Min, CHEN Weixin. Research on Hydrodynamic Characteristics of Self-separation Deploying UUV Based on MRF and Overset Mesh[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2025-0109

Citation:

JIN Cegang, YANG Zhuangtao, ZHANG Tao, DUAN Hao, Yuan Sihuan, Zhu Min, CHEN Weixin. Research on Hydrodynamic Characteristics of Self-separation Deploying UUV Based on MRF and Overset Mesh[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2025-0109

Citation:

JIN Cegang, YANG Zhuangtao, ZHANG Tao, DUAN Hao, Yuan Sihuan, Zhu Min, CHEN Weixin. Research on Hydrodynamic Characteristics of Self-separation Deploying UUV Based on MRF and Overset Mesh[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2025-0109

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Research on Hydrodynamic Characteristics of Self-separation Deploying UUV Based on MRF and Overset Mesh

doi: 10.11993/j.issn.2096-3920.2025-0109

The 705 Research Institute, China State Shipbuilding Corporation Limited, Kunming 650106, China

Received Date: 2025-08-22
Accepted Date: 2025-09-26
Rev Recd Date: 2025-09-15

Available Online: 2025-11-18

Abstract

Abstract

Based on the RANS method, this paper combined multi-reference frame (MRF) with the overset mesh to established a numerical calculation method suitable for studying the separation problem of self-separation deploying UUV and more other two-bodys separating systems. According to typical cases studied, comparing and analyzing the simulation results with the model test results, the results showed that the accuracy of this method meeted the engineering application requirements. This paper further researched on the hydrodynamic characteristics of self-separation UUV during deployment. Multiple steady-state conditions were selected to compare and analyze the hydrodynamic characteristics of typical rotary UUV in the deployment state and the free state. The research results were as follows: Under the wake field of the deployment device, the UUV was significantly disturbed, with position force coefficients including resistance coefficients and pitching moment coefficients changes ranging from 7.12% to 343.04%, rotational force coefficients changes ranging from 22.81% to 97.16%, and steering force coefficients changes ranging from 11.83% to 164.98%, the operability of the UUV was significantly less than that in the free state. This paper aimed to efficiently analyze the changes in the hydrodynamic characteristics of self-separation deploying UUV during deployment, revealed the interference characteristics of the wake field, and provided a certain theoretical basis for the optimization of the deployment scheme and the design of control strategies.
- Self- separation deployment,
- Hydrodynamic characteristics,
- Multi-reference frame(MRF),
- Overset mesh

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References(18)

References

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