...Proceedings of the Thirty-fourth (2024) International Ocean and Polar Engineering Conference Rhodes, Greece, June 16 21, 2024 Copyright © 2024 by the International Society of Offshore and Polar Engineers (ISOPE) ISBN 978-1-880653-78-4; ISSN 1098-6189 www.isope.org Response of Ship Structure under...

... marine transportation machine learning recognition rate artificial intelligence ship structure neural network characteristic signal structure characteristic signal freight & logistics services threshold ship structure characteristic signal neuron signal data frequency threshold...

... strength longitudinal deformation ship structure water pressure ship model load-carrying capacity Proceedings of the Thirty-first (2021) International Ocean and Polar Engineering Conference www.isope.org Rhodes, Greece, June 20 25, 2021 Copyright © 2021 by the International Society of Offshore...

... stress intensity factor weight function finite thickness plate deepest point surface point determination intensity factor ship structure sif fe model weld-toe surface crack stress intensity factor calculation plate joint surface crack plate-width direction semi-elliptical surface...

... ABSTRACT In this study, we introduce an efficient vibration analysis technique for ship structures employing the algebraic dynamic condensation (ADC) method. In the ADC method, the stiffness and mass matrices for the considered FE model are automatically partitioned into small size of matrices...

... ABSTRACT This paper addresses experiment and finite element simulation studies on small-scaled single side ship structure quasi-statically punched at the mid-span by a conical indenter and a wedge indenter with tip radius, which is intended to examine the fracture and energy dissipation...

... ABSTRACT Extreme wave used to damage ship structures in the ocean by generating buckling midship due to huge wave height. In this paper, a hydroelasto-buckling ship model test is carried out to study the dynamic ultimate strength of the ship structure in regular wave, the effect of extreme...

... ABSTRACT The intersection between longitudinal and transverse bulkhead is one of the typical ship structures which are prone to fatigue during ship voyages. Generally, longitudinals in ship structures adopted are mainly bulb flats, and for the sake of simplifying the finite element model...

... ABSTRACT Fatigue crack propagation behavior in bulb stiffeners, which are widely used in ship structures, is indispensable information for ship structures' fatigue life prediction. This paper aims to provide reasonable simulation process for the fatigue cracks propagated in bulb stiffeners...

.... Introduction In conventional strength assessments the safety of structures is considered under maximum static loads, i.e. the design loads. However, ship structures are to a large extent affected by stresses varying over time. These stresses are mainly caused by the seaway, by propulsion plant excitation...

... Experimental and numerical study on the strength of sandwich L-joints in ship structure Haiyan Zeng, Renjun Yan, Yaoyu Hu, Linzhi Xu School of Transportation, Wuhan University of Technology Wuhan, Hubei Province, China ABSTRACT This paper presented results on the strength of composite sandwich L...

... Abstract The uncertainty of design variables is incorporated to design optimization of ship structure. Since conventional double loop strategy for probabilistic design optimization involves iterative optimization process and probabilistic assessment, a strategy of reliability-based design...

... of the reliability of items of mass production, for ship structures unsuitable, as is needed to implement uniform statistical information about the failure. Such information is difficult to obtain for objects manufactured as single copies or small series and operated in significantly different conditions. In most...

.... The interaction between transverse bending moment and longitudinal torsional moment is relatively weak, and so the loading sequence in SWATH. Introduction The ultimate strength of ship hull girder represents the survivability of ship structure under extreme seas. It is meaningful to investigate...

... Abstract In the construction of ship structures, welding deformation causes various problems. To reduce welding deformation, analyses by the finite element method (FEM) are very useful. However, in a ship structure, the computing scale becomes enormous and so the prediction of welding...

... Abstract It is very important to define the procedure and boundary condition setting in experimental programs to simulate the response of ship structures under accidental loading conditions, such as in collision scenarios, to obtain the reliable results. The present paper aims to identify...

... constraint condition stiffener bottom plate genetic algorithm calculation method artificial intelligence optimization structural optimization load condition fem model optimization problem node stiffness matrix ship structure growth operation A Study on Optimization the Structure of Ship...

... of the study is to analyze the airflow properties in the confined spaces of the ship structures with the aid of the network simulation technique which is widely used for an airflow analysis in high-rise building to establish the ventilation plan. The results of this study will finally show the airflow...

... Abstract In the present study, damping model used for vibration response analysis of large ship structures is focused on. At first, an exciter test of VLCC was carried out in order to acquire a high resolution frequency response function. Then experimental modal analysis was carried out...

..., Gothenburg, Sweden Igor Rychlik Department of Mathematical Sciences, Chalmers University of Technology, Gothenburg, Sweden ABSTRACT Fatigue damage accumulation in ship structures is a continuous random process, which together with several sources of uncertainties in the fatigue analysis make the fatigue life...