scholarly journals Estimation of Hydrodynamic Derivatives and Dynamic Stability for Submarine Using Captive Model Test

2015 ◽  
Vol 39 (3) ◽  
pp. 173-178 ◽  
Author(s):  
Jae-Hun Jeong ◽  
Ji-Hun Ok ◽  
Chi-Seung Lee ◽  
Jae-Myung Lee ◽  
Seung-Keon Lee
2019 ◽  
Vol 26 (4) ◽  
pp. 16-26
Author(s):  
Kun Dai ◽  
Yunbo Li

Abstract This paper describes the application of computational fluid dynamics rather than a towing tank test for the prediction of hydrodynamic derivatives using a RANS-based solver. Virtual captive model tests are conducted, including an oblique towing test and circular motion test for a bare model scale KVLCC2 hull, to obtain linear and nonlinear hydrodynamic derivatives in the 3rd-order MMG model. A static drift test is used in a convergence study to verify the numerical accuracy. The computed hydrodynamic forces and derivatives are compared with the available captive model test data, showing good agreement overall. Simulations of standard turning and zigzag manoeuvres are carried out with the computed hydrodynamic derivatives and are compared with available experimental data. The results show an acceptable level of prediction accuracy, indicating that the proposed method is capable of predicting manoeuvring motions.


2020 ◽  
Vol 8 (5) ◽  
pp. 378
Author(s):  
Tetsuhiro Yuura ◽  
Hirotada Hashimoto ◽  
Akihiko Matsuda

Free-running model tests were conducted using a scaled model of a large cruise ship with a damaged compartment, to investigate the effects of damage opening and floodwater on the manoeuvring performance in calm water and regular and irregular head waves. Drifting tests in regular beam waves were also performed. The experimental results indicated that the course-keeping ability in waves and turning ability became worse in the damaged condition. However, the target ship retained its manoeuvrability for safe return to the port, on its own, even in a damaged state. As it is time- and cost-consuming to conduct a free-running model experiment, a captive model test was also carried out to develop a system-based simulation model for evaluating the manoeuvrability of large cruise ships after damage.


2012 ◽  
Vol 36 (8) ◽  
pp. 613-618 ◽  
Author(s):  
Kun-Hang Yun ◽  
Yeon-Gyu Kim

2020 ◽  
Vol 19 (4) ◽  
pp. 919-935
Author(s):  
Zhiyun Deng ◽  
Xinrong Liu ◽  
Yongquan Liu ◽  
Shulin Liu ◽  
Yafeng Han ◽  
...  

2012 ◽  
Vol 49 (4) ◽  
pp. 296-303 ◽  
Author(s):  
Yeon-Gyu Kim ◽  
Kun-Hang Yun ◽  
Sun-Young Kim ◽  
Dong-Jin Kim

2009 ◽  
Vol 46 (6) ◽  
pp. 553-561 ◽  
Author(s):  
Yeon-Gyu Kim ◽  
Dong-Jin Yeo ◽  
Sun-Young Kim ◽  
Kun-Hang Yun ◽  
Byeong-Ik Oh

2021 ◽  
Vol 23 (1) ◽  
pp. 219-228
Author(s):  
Nabanita Saikia ◽  
Mohamed Taha ◽  
Ravindra Pandey

The rational design of self-assembled nanobio-molecular hybrids of peptide nucleic acids with single-wall nanotubes rely on understanding how biomolecules recognize and mediate intermolecular interactions with the nanomaterial's surface.


Sign in / Sign up

Export Citation Format

Share Document