...Evaluation of Compressive Characteristics of Polyurethane Foam 1 in Accordance with the Repeated Impact Loading Myung-Sung Kim1, Jeong-Hyeon Kim1, Seul-Kee Kim1, Jae-Myung Lee1,+ Pusan National University, Department of Naval Architecture and Ocean Engineering, Busan, Korea ABSTRACT Sloshing impact...

... ABSTRACT Response in a porous seabed under dynamic environmental loading is a vital engineering issue in marine geotechnics. Lots of investigations for seabed response under dynamic loading have been developed through mathematical, numerical and experimental approaches. Most previous numerical...

... loading submerged breakwater soil model artificial intelligence effective normal stress interaction liquefaction potential liquefaction submerged permeable breakwater pore pressure shear stress breakwater numerical model upstream oil & gas bragg effect reservoir...

... upstream oil & gas interaction liquefaction kpa engineering equation of state loading experiment effective stress pore water pressure rotation fluid modeling vertical effective stress constitutive model principal stress rotation soil response current model principal stress...

... Dynamic Response of Pipeline in Touchdown Zone under complicated loadings Yun-yun Dai, Jing Zhou State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology. Dalian, Liaoning, China ABSTRACT The touchdown zone (TDZ) is the most important part of the steel catenary...

... Abstract Offshore structures are exposed to random wave loading in the ocean environment and hence the probability distribution of the extreme values of their response to wave loading is required for their safe and economical design. Due to nonlinearity of the drag component of Morison's wave...

... for the prediction of residual pore-pressure under irregular cyclic loadings. The reliability of the proposed model was finally verified through the comparisons with previous experimental results. porepressure liquefaction residual porepressure sumer stress-based model oscillatory pore-pressure shear...

... of the new variables, asymptotic expansions and integral transformations. The influence of the basin depth, ice plate thickness, source submergence depth, and bottom slope on the plate deflections is analyzed. solid line correspond plate deflection wave height elastic plate loading equation...

... loading seabed surface coupling model water pressure experiment reservoir characterization equation wave-seabed interaction analytical solution plasticity mechanism upstream oil & gas seabed model wave model A Coupling Model for Waves Propagating over A Porous Seabed C. C Liao1 D-S...

... to get the design wave parameters for critical wave loads. Then, wave loads were mapped to the global structure finite element model, the tendons were modeled as spring element which represents 6 degrees of freedom and rotations. Stress responses are computed by SESAM using the design wave approach...

... ABSTRACT: The principal aim of this paper is to study the fracture behavior in tubular connection of offshore platforms (Brace Caisson) subjected to wave loading. Fracture mechanics aspect on the assessment of crack tip severity under cyclic loading condition is explored. A series of 3D...

.... Shtokmanovskoye field) should withstand ice drift during winter and rough sea during the rest of the year, whereas facilities for Sakhalin Island shelf (the Sea of Okhotsk) apart from heavy ice during winter and spring and rough sea during other seasons are exposed to seismic loads at a level of 9 points...

...Calculation of Wind Loading on Large-Scale Floating Wind Turbine Victor V. Cheboxarov, Valery V. Cheboxarov Department of Industrial Automation, Far Eastern State Technical University Vladivostok, Russia ABSTRACT Wind loading on large-scale floating rotor of recently suggested Wind Energy Marine...

... ABSTRACT: The paper deals with the linear axial symmetry task concerning the effect of an impulsive load on a viscoelastic ice plate superjacent the elastic basis, i.e. water. Analysis is made of the following factors: the effect of ice plate thickness, relaxation time, variable depth...

...) and dynamically- positioned shuttle tankers moored at the submerged turret loading (STL) system (API,2001). Fig. 2 shows a shuttle tanker, which approaches a submerged turret loading (STL) system for connection (Choi, et.al.,1994). FPSOs are most favorably considered among floating structures in marginal fields...

... overloading can provide the bases of the fatigue life estimation of the material under variable amplitude loading. Authors (1989) examined the effect of the thickness variation on the retardation phenomena of the fatigue crack growth and the effect of the crack depth, a)W, on 7075 aluminium alloy after...

... are considered. Dynamic analYSIS of the tower to random waves is earned out in the frequency domain utilizing the stochastic linearizations of the nonlinear mooring force and the nonlinear drag force. The probability of failure due to the extreme anchor load is evaluated based on the results of the dynamic...

... ABSTRACT: Oil and gas pipeline structural members such as pipes, fittings and their welds would experience various loading as determined by pipeline purpose and mode of operation. The most complicated loading is that experienced by pumping and compressor station pipeline members. Depending...

... or Arctic environment. where concrete is placed be- tween steel plates. Discussed in this paper are experimental and theoretical investigations into the elastic- plastic behavior and the ultimate strength of the new composite material. Experiments under static and repeated loadings were carried out. Five...

... ABSTRACT: This paper reports the results of a systematic study of stresses in tubular Y and T-joints based on nearly 900 finite element analyses using thin-shell elements. These encompass a wide range of joint geometries under axial, in-plane and out-of-plane loading. For each mode of loading...