Results 61 to 70 of about 105,800 (209)

Hydrodinamic Aspects of a High-Speed SWATH and New Hull Form [PDF]

open access: yes, 2005
The main problems of high-speed ships operating in open seas are their insufficient seaworthiness and speed loss in high sea states. Small Water-plane Area Twin-Hulls (SWATH) are characterised by excellent seaworthiness, but the hull forms of a ...
Akien, Geoffrey R   +5 more
core   +2 more sources

4400 TEU cargo ship dynamic analysis by Gaidai reliability method

open access: yesJournal of Shipping and Trade
Modern cargo vessel transport constitutes an important part of global economy; hence it is of paramount importance to develop novel, more efficient reliability methods for cargo ships, especially if onboard recorded data is available. Classic reliability
Oleg Gaidai   +3 more
doaj   +1 more source

Simulation of ship motions coupled with tank sloshing in frequency domain

open access: yesZhongguo Jianchuan Yanjiu, 2019
[Objectives] With the increase in the size of the ship with liquid tanks (LNG, FPSO, FLNG, etc.) and the improvement of work efficiency and operational safety, the coupled problem between the tank sloshing and the resulting ship motions have become more ...
Sun Lei   +3 more
doaj   +1 more source

The Use of Pivot Point in Ship Handling for Safer and More Accurate Ship Manoeuvring [PDF]

open access: yes, 2011
The size of ships has increased notably over recent decades. The size of harbours and ports has however not grown in proportion. As a result ship manoeuvring in harbours and ports has become more problematic, and more of an art than a science.
Seo, Seong-Gi
core   +1 more source

Establishment of effective metamodels for seakeeping performance in multidisciplinary ship design optimation

open access: yes, 2016
Ship design is a complex multidisciplinary optimization process to determine configuration variables that satisfy a set of mission requirements. Unfortunately, high fidelity commercial software for the ship performance estimation such as Computational ...
Li, D., Wilson, P.A., Zhao, X.
core   +1 more source

Sonar micro-Doppler effect induced by ship oscillatory motion in waves: Phenomenon, model, and experimentation [PDF]

open access: yesJASA Express Letters
Traditional research attributes the modulated sidebands of ship radiation line-spectrum signals to reflections off rough ocean surfaces, but the Doppler effect caused by vessel motion may also contribute.
Minhao Wang   +3 more
doaj   +1 more source

VTOL shipboard letdown guidance system analysis [PDF]

open access: yes
Alternative letdown guidance strategies are examined for landing of a VTOL aircraft onboard a small aviation ship under adverse environmental conditions. Off line computer simulation of shipboard landing task is utilized for assessing the relative merits
Karmali, M. S., Phatak, A. V.
core   +1 more source

Theoretical and Experimental Study on Nonlinear Hydroelastic Responses and Slamming Loads of Ship Advancing in Regular Waves

open access: yesShock and Vibration, 2018
Wave loads estimation and structural strength evaluation are the fundamental work at the ship design stage. The hydroelastic responses and slamming strength issues are also concerned especially for large-scale high-speed ships sailing in harsh waves.
Jialong Jiao   +4 more
doaj   +1 more source

NUMERICAL SIMULATIONS OF ADDED RESISTANCE IN REGULAR HEAD WAVES ON A CONTAINER SHIP

open access: yesBrodogradnja, 2019
Although shipping was not included in the final text of the Paris Agreement in 2015, IMO (International Maritime Organization) adopted the EEDI (Energy Efficiency Design Index) and the EEOI (Energy Efficiency Operational Indicator) to control climate ...
Young-Gill Lee   +5 more
doaj   +1 more source

Mesoscale wake clouds in Skylab pictures. [PDF]

open access: yes
The recognition of cloud patterns formed in the wake of orographic obstacles was investigated using pictures from Skylab, for the purpose of estimating atmospheric motions.
Fujita, T. T., Tecson, J. J.
core   +1 more source

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