Results 41 to 50 of about 390 (173)

Fatigue Strength Assessment of Trimaran Cross‐Deck Structure Based on Spectral and Simplified Fatigue Method

open access: yesMathematical Problems in Engineering, Volume 2019, Issue 1, 2019., 2019
In order to investigate the fatigue behaviour of trimaran cross‐deck structural details, the spectral and simplified fatigue analysis approaches are proposed. In spectral fatigue approach, three‐dimensional (3D) linear potential flow theory and global FE analysis are used for wave loads and stress transfer functions calculation; the stochastic spectral
Chunbo Zhen   +4 more
wiley   +1 more source

On operation capabilities analysis of a 100000 tdw tanker by seakeeping criteria

open access: yesAnnals of "Dunărea de Jos" University of Galaţi: Fascicle XI Shipbuilding, 2019
The operation capabilities of a maritime ship have to be assessed during the design, including the seakeeping criteria. In this study a 100000 tdw tanker is considered, with two loading conditions, cargo and ballast.
Leonard Domnișoru
doaj   +1 more source

Ship Formation Control Using Nonlinear Model Predictive Control With Safe Speed Constraints and Tidal Elevation Variations

open access: yesIET Intelligent Transport Systems, Volume 19, Issue 1, January/December 2025.
1. An adaptive speed control method is proposed to execute the ship formation trajectory tracking task more efficiently and safely while entering port with tidal elevation variations. 2. A distributed ship formation controller based on the leader‒follower structure is designed to govern the coordinated motion of formation members more flexibly. 3.
Fanglie Wu   +4 more
wiley   +1 more source

Sensitivity Analysis Based on Polynomial Chaos Expansions and Its Application in Ship Uncertainty‐Based Design Optimization

open access: yesMathematical Problems in Engineering, Volume 2019, Issue 1, 2019., 2019
In order to truly reflect the ship performance under the influence of uncertainties, uncertainty‐based design optimization (UDO) for ships that fully considers various uncertainties in the early stage of design has gradually received more and more attention.
Xiao Wei   +4 more
wiley   +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, Volume 2018, Issue 1, 2018., 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. To accurately predict the wave‐induced motions and loads acting on the ship sailing in regular waves, a
Jialong Jiao   +5 more
wiley   +1 more source

Investigation of Seakeeping Performance of Trawler by the Influence of the Principal Particulars of Ships in the Bering Sea

open access: yes한국해양공학회지
Investigating ship motion under real conditions is vital for evaluating the seakeeping performance, particularly in the design process stage. This study examined the influence of the principal particulars of a trawler on its seakeeping performance.
Thi Thanh Diep Nguyen   +3 more
doaj   +1 more source

Establishment of the Unified Maneuvering and Seakeeping Dynamic Model for Submarines Moving in Horizontal Plane near Free Surface

open access: yesJournal of Marine Science and Engineering
When a submarine moves near the free surface, the lift and drag characteristics that act on it are different compared to when in deep water; for example, waves on the free surface cause submarine motions that are not seen in deep water conditions and ...
Aeri Cho   +5 more
doaj   +1 more source

Comparative Study on Added Resistance and Seakeeping Performance of X-Bow and Wave-Piercing Monohull in Regular Head Waves

open access: yesJournal of Marine Science and Engineering, 2022
Bow shape has been recognized as an important factor influencing the seakeeping performance and added resistance of ships. This paper presents a numerical comparative study on added resistance and seakeeping of model ships with ‘X-bow’ and a wave ...
Shuling Chen   +3 more
doaj   +1 more source

SEAKEEPING OF A FAST DISPLACEMENT CATAMARAN

open access: yesTRANSPORT, 2005
The paper presents a complex method for the calculation of pitch and heave of a fast displacement catamaran. It incorporates speed factors, interference of catamaran hulls, stabilization factors and possibility to apply different stabilization cases including a stabilizer activation possibility.
Dyachkov, Vasilij, Makov, Jurij
openaire   +4 more sources

Effects of Forward Speed and Wave Height on the Seakeeping Performance of a Small Fishing Vessel

open access: yesJournal of Marine Science and Engineering, 2022
The effects of wave height and forward speed on the seakeeping performance of a small fishing vessel in irregular waves are evaluated using computational fluid dynamics (CFD).
Namkyun Im, Sangmin Lee
doaj   +1 more source

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