... ABSTRACT This thesis investigates the collision force of driftwoods and small boats due to tsunamis. Even though there are some calculation formulas from past experiments, quantitative approaches for design criteria of tsunami protection structures are not established. Accordingly, to upgrade...

... ABSTRACT This paper studies the estimation of added resistance of ships in both head and oblique waves using an asymptotic formula in short waves. The enhanced asymptotic formula, which was introduced only for head waves by Yang et al. (2018), is extended for oblique waves. A new correction...

... height accuracy equation calculation free surface elevation spectrum formula artificial intelligence ocean engineering irregular wave Development of a 3D Numerical Viscous Wave Tank Fengfu Jin, Lixiang Guo, Peng Wei, Zhiguo Zhang, Dakui Feng School of Naval Architecture & Ocean Engineering...

... responses of coastal structures, wave overtopping must be carefully considered in engineering design. This study examines wave overtopping at perforated caissons for non-breaking waves. Based on experimental data, a modified predictive formula of the mean overtopping discharge for perforated caissons...

... bottlenose dolphin dolphin swimming speed fluke tursiop truncatus resistance fluke motion equation efficiency formula thrust power amplitude maximum speed reservoir simulation Evaluation of Dolphin Swimming Speed and Thrust Based on CFD Ye Yuan, Ziyou Ding, Zongxin Yu, Zhiguo Zhang School...

... and the fitting formulas are obtained. Some relevant parameters are utilized to change and simplify these formulas for practical application, receiving empirical formulas eventually. Among them, the groupiness factors GFH and GLF are considered and their values are proposed. Finally, the relative errors...

... by comparing the CFD results with Morison s formula and the experimental data. The parametric study has been carried out by varying the wave length and amplitude alternatively. As a meaningful engineering application, in the present study, three kinds of conditions have considered, i.e. the cases with current...

... freeboard guide vane ramp angle formula ocean energy incoming wave design parameter Paper No. ISOPE-P08- swh06 First author s last (family) name Nam Total number of pages 6 Numerical Simulation of Wave Flow over the Spiral-Reef Overtopping Device B.W. Nam, S.H. Shin, K.Y. Hong, S.W. Hong Maritime...

... 2)=0.021 may be used in laboratory conditions. According to Nelson's result, ( H / d )b is a constant about 0.55 as the beach slope is near to 1/500. This is completely different from Goda's one. In allusion to Nelson's viewpoint, Goda and Morinobu (1997) reaffirmed the exactness of their formula...

... and daily. The detailed ice characteristics are concluded as (Yang G, et al, 1991): 1. Usually, the maximum level ice thickness is 20 cm in Laizhou Bay, 25cm in Bohai Bay and 45cm in Liaodong Gulf. thickness coefficient formula ice-breaking structure engineering ice piece pileup ice pile...

... to discuss the wave forces acting on the porous caissons with the upper structures. upper structure vertical axis formula perforated caisson breakwater water depth porous caisson engineering caisson conclusion dalian university force arm relative height experiment horizontal axis wave...

... of uniaxial compressive strength of sea ice along the coast of Hokkaido and Sakhalin through the comparative study of existing formula of Weeks and Assur's, Timco and Frederking's, Truskov's and experimental results of the authors. INTRODUCTION More than 30 different ice load formula have been proposed...

... growth distribution density forecast error density expression characteristic modeling & simulation forecast dmitriev forecast value thickness growth formula About a Possibility for a Probabilistic Interpretation for Forecast Dates when Ice Thickness Growth up to 20-25 cm Dr. Victor...

... with a nonperturbed ice - water interface, the axis Oz is directed vertically upward. ice plate steepness impulsive load loading correspond impulse application point amplitude mathematical modeling deflection bottom surface coast ice plate deflection inflection point formula impact impulse...

... on fixed offshore structures based on the phenomenological ice model of brittle failure. The global ice force on offshore structures is evaluated on the Korzhavin's formula. The axial compressive strength of ice depending on the strain rate and ice split an- gle are taken as stochastic values with a nor...

...- empirical formula for evaluating impact energy and forces are proposed. KEYWORDS: Ship loading, Ship Impact, Moored ship, Pier NOMENCLATURE a EI Distance from the point of action of the resultant of fender reaction or cable forces to the c.g. of the ship Added mass coefficient Added rotational mass inertia...

.... Crack NOMENCLATURE a crack size a. InItIal crack SIze a c critical crack size B random variable denotIng the uncertalny in estimate of fatigue stress b ha updated factor of median value and val'lation coeffIcients of crack SIze (a J C.m coeffiCIents of PariS formula .0: \ ariatIOn coeffiCIents...

... respectively, pl is lateral uniform pressure, p is axial uniform pressure. 4. Experimental Formula of the Stress Coefficient Using experimental datum is important for designing the cylindrical shell, because there are larger differences between the actual carrying capacity of the cylindrical shell...

... physical-mechanical ice cha- .racteristics on its temperature T, salinity f:, crystal dimensions d ,densl ty .p etc. have been determined, ranging from simple empirical formulas, relating 2 or 3 parame- ters (for instance, Gold, Berdennlkov, Taba- ta, Pounder, etc. for the Young's modulus in the form E"'f...

.... It is a difficult problem to find a theoretical formula in stability theory in good agreement with test data. The solution of this problem is of significant both in theory and application. We believe that the buckling area of spherical shell may be treated as a spherical-cap with a circle boundary. Under...