CLC number: U661.73
On-line Access: 2016-06-03
Received: 2015-08-01
Revision Accepted: 2015-12-15
Crosschecked: 2016-05-11
Cited: 2
Clicked: 4506
Jia-long Jiao, Hui-long Ren, Shu-zheng Sun, Christiaan Adika Adenya. Investigation of a ship’s hydroelasticity and seakeeping performance by means of large-scale segmented self-propelling model sea trials[J]. Journal of Zhejiang University Science A, 2016, 17(6): 468-484.
@article{title="Investigation of a ship’s hydroelasticity and seakeeping performance by means of large-scale segmented self-propelling model sea trials",
author="Jia-long Jiao, Hui-long Ren, Shu-zheng Sun, Christiaan Adika Adenya",
journal="Journal of Zhejiang University Science A",
volume="17",
number="6",
pages="468-484",
year="2016",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A1500218"
}
%0 Journal Article
%T Investigation of a ship’s hydroelasticity and seakeeping performance by means of large-scale segmented self-propelling model sea trials
%A Jia-long Jiao
%A Hui-long Ren
%A Shu-zheng Sun
%A Christiaan Adika Adenya
%J Journal of Zhejiang University SCIENCE A
%V 17
%N 6
%P 468-484
%@ 1673-565X
%D 2016
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1500218
TY - JOUR
T1 - Investigation of a ship’s hydroelasticity and seakeeping performance by means of large-scale segmented self-propelling model sea trials
A1 - Jia-long Jiao
A1 - Hui-long Ren
A1 - Shu-zheng Sun
A1 - Christiaan Adika Adenya
J0 - Journal of Zhejiang University Science A
VL - 17
IS - 6
SP - 468
EP - 484
%@ 1673-565X
Y1 - 2016
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A1500218
Abstract: The traditional laboratory models for the hydroelasticity and seakeeping performance of ships are tested in calm water and in uni-directional, artificially generated waves. A new alternative to the tank model measurement methodology is to conduct experiments using large-scale models in actual sea conditions. To implement the tests, a large-scale segmented self-propelling model and testing system were designed and assembled. A buoy wave meter was adopted to record the coastal waves that the model encountered during the tests. The analysis of the results of waves in sheltered waters by the spectral method shows good agreement with ISSC spectra. To investigate the difference between this new methodology and the traditional towing tank tests, a small-scale model, whose type and configuration are the same as those of the large-scale model ship, was used and tests were conducted in a towing tank. Comparison of the two experimental results shows that there is a remarkable difference in the response characteristics between the large-scale model at sea and the small-scale model in the tank. Numerical simulations of the responses of the ship under equivalent sea states were also carried out. The influence of directional spreading functions on the results was analyzed by a numerical approach. The classical model tests under long-crested waves in the towing tank over-estimate the motion and wave load responses; however, large-scale model tests carried out at sea are more reasonable for ship design and scientific research.
The authors developed and conducted a large-scale model for the test of ship hydroelasticity and seakeeping performance at actual sea conditions, which will help get real and accurate motions and wave loads results for ship design. The manuscript is reasonably structured. The technique presented in the manuscript is sound.
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