利用自由运行模型试验结果估算的流体动力和力矩验证 4DOF 机动系数优化

IF 2.3 3区工程技术 Q2 ENGINEERING, MARINE

International Journal of Naval Architecture and Ocean Engineering Pub Date : 2024-01-01 DOI:10.1016/j.ijnaoe.2024.100599

Kiwon Kim , Sungeun Choi , Jeonghwa Seo , Ki-In Na , Shin Hyung Rhee , Dong-Hwan Kim

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引用次数: 0

摘要

本研究涉及从自由运行模型试验结果中验证数据驱动的舰船动力学建模，包括流体动力和力矩估计、操纵系数和操纵模拟结果。提出了一种根据水面战斗舰艇模型的加速度估算流体动力和力矩的方法，并与传统的舰船动力学建模进行了比较。通过优化操纵系数，建立了运动与水动力和力矩相关的船体动力学模型，从而获得了水动力和力矩的最小损失函数以及操纵标准。该动力学模型的操纵系数与传统的基于系统的动力学模型进行了比较。最后，将操纵模拟结果与自由运行模型试验结果进行了比较。所建议的模型能够充分预测高度耦合的摇摆和偏航运动中的流体动力和力矩。

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Validation of 4DOF maneuvering coefficients optimization using hydrodynamic force and moment estimated from free-running model test results

The present study concerns validation of data-driven modeling for ship dynamics from free-running model test results, in terms of estimation of hydrodynamic force and moment, maneuvering coefficients, and maneuver simulation results. An estimation method for the hydrodynamic force and moment from the acceleration of a surface combatant model ship is suggested and compared with the conventional ship dynamics modeling. The hull dynamics modeling relates the motion and hydrodynamic force and moment is developed by optimizing maneuvering coefficients which leads to minimum loss function of hydrodynamic force and moment and maneuvering criteria. The maneuvering coefficients of the dynamics model is compared with a conventional system-based dynamics model. Lastly, the maneuvering simulation results are compared to the free-running model test results. The suggested model adequately predicts hydrodynamic force and moment in highly coupled sway and yaw motion.

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来源期刊

International Journal of Naval Architecture and Ocean Engineering ENGINEERING, MARINE-

CiteScore

4.90

自引率

4.50%

发文量

审稿时长

12 months

期刊介绍： International Journal of Naval Architecture and Ocean Engineering provides a forum for engineers and scientists from a wide range of disciplines to present and discuss various phenomena in the utilization and preservation of ocean environment. Without being limited by the traditional categorization, it is encouraged to present advanced technology development and scientific research, as long as they are aimed for more and better human engagement with ocean environment. Topics include, but not limited to: marine hydrodynamics; structural mechanics; marine propulsion system; design methodology & practice; production technology; system dynamics & control; marine equipment technology; materials science; underwater acoustics; ocean remote sensing; and information technology related to ship and marine systems; ocean energy systems; marine environmental engineering; maritime safety engineering; polar & arctic engineering; coastal & port engineering; subsea engineering; and specialized watercraft engineering.