Journal of Marine Science and Application

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2D-simulation of wet steam flow in a steam turbine with spontaneous condensation
Journal of Marine Science and Application - - 2007
Liping Sun, Qun Zheng, Liu Shun-long
Global analysis of a flexible riser
Journal of Marine Science and Application - - 2011
Liping Sun, Bo Qi
Analysis and experiment of a vessels shell cover in submarine structure
Journal of Marine Science and Application - Tập 3 - Trang 14-19 - 2004
Yu-li Zhang, Guang-wu Zeng
This paper aims to achieve analysis and experiment results that relate to mechanics capability and structural parameter of a special saddle shell of revolution. Theoretically speaking, the saddle shell of revolution consists of a toroidal shell and a spherical shell. The shells simultaneous equations can be solved with harmonious terms. Where, the fundamental equations can be solved by asymptotic ...... hiện toàn bộ
A review of the effect of a/W ratio on fracture toughness (I) —Experimental investigation in EPFM
Journal of Marine Science and Application - Tập 4 - Trang 1-7 - 2005
Li Qing-fen, Jin Guo, Wang Yan-bo
Many experimental investigations have previously been performed and recently done on different shipbuilding structural steels where the specimens size and crack depth/specimen width (a/W) were varied. A series of interesting results have been gained. It is worthwhile to have a review on the effect of a/W ratio on fracture toughness, and further theoretical analysis is necessary. In this paper, exp...... hiện toàn bộ
Effect of Porosity on Oblique Wave Diffraction by Two Unequal Vertical Porous Barriers
Journal of Marine Science and Application - Tập 18 - Trang 417-432 - 2019
Anjan Sasmal, Sandip Paul, Soumen De
The diffraction of obliquely incident wave by two unequal barriers with different porosity in infinitely deep water is investigated by using two-dimensional linearized potential theory. Reflection and transmission coefficients are computed numerically using appropriate Galerkin approximations for two partially immersed and two submerged barriers. The amount of energy dissipation due to the permeab...... hiện toàn bộ
Review of Ultimate Strength Assessment of Ageing and Damaged Ship Structures
Journal of Marine Science and Application - Tập 19 Số 4 - Trang 512-533 - 2020
M. Tekgoz, Y. Garbatov, C. Guedes Soares
AbstractThe objective of this work is to provide an overview of the ultimate strength assessment of ageing and damaged ship structures in the last decades. Particular attention is paid to the ultimate strength of plates, stiffened panels, box girders, and entire ship hull structures subjected to corrosion degradation, fatigue cracking, and mechanical damage caused ...... hiện toàn bộ
Fatigue reliability of deck structures subjected to correlated crack growth
Journal of Marine Science and Application - Tập 12 - Trang 413-421 - 2014
G. Q. Feng, Y. Garbatov, C. Guedes Soares
The objective of this work is to analyse fatigue reliability of deck structures subjected to correlated crack growth. The stress intensity factors of the correlated cracks are obtained by finite element analysis and based on which the geometry correction functions are derived. The Monte Carlo simulations are applied to predict the statistical descriptors of correlated cracks based on the Paris-Erd...... hiện toàn bộ
A Simplified Model for the Effect of Weld-Induced Residual Stresses on the Axial Ultimate Strength of Stiffened Plates
Journal of Marine Science and Application - Tập 17 - Trang 57-67 - 2018
Bai-Qiao Chen, C. Guedes Soares
The present work investigates the compressive axial ultimate strength of fillet-welded steel-plated ship structures subjected to uniaxial compression, in which the residual stresses in the welded plates are calculated by a thermo-elasto-plastic finite element analysis that is used to fit an idealized model of residual stress distribution. The numerical results of ultimate strength based on the sim...... hiện toàn bộ
Emerging Challenges for Numerical Simulations of Quasi-Static Collision Experiments on Laser-Welded Thin-Walled Steel Structures
Journal of Marine Science and Application - Tập 19 - Trang 567-583 - 2020
Jani Romanoff, Mihkel Körgesaar, Heikki Remes
This paper re-evaluates recently published quasi-static tests on laser-welded thin-walled steel structures in order to discuss the fundamental challenges in collision simulations based on finite element analysis. Clamped square panels were considered, with spherical indenter positioned at the mid-span of the stiffeners and moved along this centerline in order to change the load-carrying mechanism ...... hiện toàn bộ
A nonlinear restoring effect study of mooring system and its application
Journal of Marine Science and Application - Tập 11 Số 1 - Trang 74-82 - 2012
Jian Zhang, Huilong Ren, Lijie Zhang
Tổng số: 795   
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