... root propagation, whereas hydrodynamic loading is measured with an array of pressure transducers. Stereoscopic-Digital Image Correlation (S-DIC) is used to measure deflection on the bottom of the wedge during the impact. Experiments are conducted from different drop heights to study the effect...

...Yan Dong; Yordan Garbatov; Carlos Guedes Soares Fatigue strength assessment of a butt-welded joint in ship structures based on a time-domain strain approach is performed in this study. The service life load histories applied to the butt-welded joint located on the deck of a bulk carrier...

...Cui Hu-wei; Yang Ping As the most fundamental structural components of the ship hull, the hull plates' ultimate strength not only affects their own load bearing capacity, but also contributes to the ultimate strength of the whole ship hull. Through the literature survey of the ultimate strength...

... average stress-average strain curve freight & logistics services nlfem hull girder girder model Artificial Intelligence calculation Offshore Structure Smith loading average stress-average strain relationship shipbuilding bulk carrier box girder model ultimate strength girder Journal...

... numbers were obtained at different propeller speeds so that for the same advance number, different propeller thrust values were tested, so that the effect of propeller loading can be seen independently from the speed of advance J. The main focus of this article is to explain and validate a prediction...

...Li Xuebin Following Flu¨ gge's exact derivation for the buckling of cylindrical shells, the equations of motion for dynamic loading of a circular cylindrical shell under external hydrostatic pressure have been formulated. The normal mode theory is used to provide transient dynamic response...

...Jeom Kee Paik; Y. V. Satish Kumar The aim of the present paper is to investigate the ultimate strength characteristics of a longitudinally stiffened panel with cracking damage and under axial compressive or tensile loads. A series of nonlinear finite element analyses are undertaken with varying...

...Matthew Collette; Atilla Incecik Fatigue cracks are an ongoing problem for aluminum high-speed vessels, and preventing fatigue cracks caused by wave loading is expected to be a significant challenge for future aluminum high-speed ferries and military vessels. To aid in this effort, a hot-spot...

... flat disc positive lift distortion accuracy december 2005 hauptman ship research loading planform equation Miloh vortex lattice method paraboloid axisymmetric disc laurmann boersma lifting surface numerical solution exact solution circular planform Lifting Surfaces With Circular...

... propeller blade velocity component velocity field propeller propeller wake particle tip vortice march 2005 turbulence intensity intensity wake sheet loading instantaneous velocity field Phase-Averaged Particle Tracking Velocimetry Measurements of Propeller Wake Sang-Joon Lee, Bu-Geun Paik...

...Peter Friis-Hansen; Ove Ditlevsen In this study a stochastic field model for the stillwater loading is formulated where the statistics (mean value, standard deviation, and correlation) of the sectional forces are obtained by integration of the load field over the relevant part of the ship structure...

...Jeom Kee Paik; Anil K. Thayamballi; Bong Ju Kim The aim of the present study is to develop closed-form formulations for the ultimate strength of simply supported steel plating subject to a combination of longitudinal axial load, edge shear, and lateral pressure. The post-weld initial imperfections...

... approach was further developed to incorporate load-shedding effects. In the fatigue loading model, a new formula for the damage correction factor associated with a wide-banded load process was developed. The random loading sequence for ship service was addressed. Fatigue reliability models were...

.../viscoplastic, following the classical Perzyna model, and the procedure is validated against a series of model collision experiments. The correlation results were found to be good and the procedure was subsequently used to predict the response of plating subjected to wave impact loads, characterized by a steep...

... reservoir simulation stress process random excitation crack length fracture mechanics march 1995 spectral density loading approximation probability density boundary random process crack size fatigue crack growth equation fatigue life Journal of Ship Research, Vol. 39, No. 1, March 1995, pp...

...Michelle S. Hoo Fatt A solution methodology for the nonlinear plastic response of the central bay of a ring-stiffened cylindrical shell subject to shock-wave loading is presented. The solution is based on a simple structural model that uses an analogy between a cylindrical shell and a string...

... for improvements, and application to the design of wake-adapted propellers. 1 6 1994 1 6 1994 1994. The Society of Naval Architects and Marine Engineers Upstream Oil & Gas axial-velocity contour Computation loading grid june 1994 contour application turbulence model propeller...

...Cho-Chung Liang; Ming-Fung Yang; Hung-Wen Chen An elastoplastic and geometrically nonlinear analysis of two of Ross's swedge-stiffened pressure hulls subjected to hydrostatic pressure loading is presented. Three commonly used swedge forms—trapezoidal, triangular, and sinusoidal-shaped...

... with a model in which the shears are neglected for propeller-induced velocities in spatially nonuniform flows. This demonstrates that the desired temporal mean components are due to both steady and unsteady blade loadings. This behavior also applies when the shear or vorticity are included. The field pressure...

... wing or in the case of a propeller. The second velocity is due to the coupling between wing loading and thickness and is given as a function of the zero thickness vorticity distribution and the wing thickness distribution. The presented method, though applicable to general shape wings (without any...