... affects the plastic strain and energy absorption. KEY WORDS: ship and platform collision; collision parameter; dynamic response; contact force; platform leg INTRODUCTION With the increasing development and utilization of marine resources, the offshore platforms are increased constantly in number...

... material mass ratio thickness reservoir characterization energy absorption equation dynamic response composite superstructure shock resistance detonation distance air field upstream oil & gas superstructure absorption resistance specific energy absorption composite material...

... ABSTRACT For evaluation of the consequences of ship-ship collisions, and ship collisions against offshore installations and bridges, it is important to know the force-displacement relation and the energy absorption caused by crushing of complex bulbous bow structures. This paper presents...

.... In the numerical study, the tuning factor concept is employed, as it explains the relation between the maximum pitch angle and the length of the floating body and wavelength. The relation between tuning factor & pitch period for the generated waves is compared to analyze the effects of wave energy absorption...

... data. The validated numerical model was further used to analyze the deformation response and energy absorption characteristics of the new type multi-layer protective structures. The differences between these new types of multi-layer protective structures were discussed. The case in which...

... collision model, nonlinear finite element simulations are performed using LS-DYNA to study the dynamic behavior of plate under repeated ice wedge impacts. For each impact, the ice damage, structural energy absorption, and permanent deflections of plate are intuitively obtained and discussed. From...

... ship deformation collision angle structural damage minimization scheme collision contact force energy absorption artificial intelligence different speed numerical simulation structural damage us government 5HVHDUFK RQ 6WUXFWXUDO 'DPDJH 0LQLPL]DWLRQ 6FKHPHV RI 6KLS %ULGJH &ROOLVLRQ Junjie...

... phenomenon and implement virtual collision between the structures. crashworthiness shipside energy absorption maximum contact force dynamic response contact force simulation damage area rupture collided ship structural form satisfactory result collision point collision time-history...

... it is necessary to improve the ship crashworthiness by improving the energy absorption capacity of the side structure, such as filling sandwiches (honeycomb sandwich plate, tube-style sandwich panels, folding sandwich plate etc.) in single-hull ships. The aim of this present study is to investigate...

... at present. Therefore, the mathematical model of anchor impact on submarine pipeline is established on the basis of failure probability and the energy absorption of different protection methods are analyzed in the light of statistical studies on vessels in target waters. Then the conditional failure...

... deformation to dissipate the transmitted energy, while the core webs experience plastic bucking failure. The effect of key design parameters including core configuration and face sheet thickness on the energy absorption ability of panels under blast has been discussed. Results show that the core web thickness...

... to the nature of the incoming waves. In comparison with that of a Pelamis WEC, waves are generated in a tank model. In this paper, wave theory for linear waves is used to analyze the motion and the energy absorption capabilities of multi floating bodies. energy absorption capability sustainable...

... to be deployed offshore at the commercial stage, in arrays of several units called wave farms . wave excitation wave energy converter optimization problem matrix absorption irregular wave converter clément control strategy artificial intelligence energy absorption budal excitation social...

... for the cases of ship shipto- ship operation and/or spacer purpose between ship and ship or jetty because the velocity factor was considered to be comparatively small in the actual vessel berthing conditions. full-size fender procedure test result model-size fender fender energy absorption...

... the shape and evaluate the performance of a floating OWC in which the energy absorption is achieved through the relative vertical motion between two heave oscillating parts, namely, a structure (floater) and an internal free surface. The floater (red part of fig. 1) is optimized according to the methodology...

... environment. Though there have been significant advancements in both ship building and operation, the risk of collision or grounding is never eliminated. This is demonstrated by continuous collision and grounding incidents reported. amdahl energy absorption mechanics wang shoal penetration depth...

... This work uses the non-linear finite element software LS-DYNA to analyze the axial compression behavior and energy absorption of a high-strength thin-walled member under an impact load. The stress- strain curve of high-strength steel is determined by performing static uniaxial tensile tests. To elucidate...

... stage (dynamic behaviour simulation) Computer time domain simulation of the facility movement carried out after contact with an iceberg until the latter fully stops. In this case the total energy absorption by the platform is obtained both by non-linear resistance of the mooring system and by loss...

... ABSTRACT The present study aims at studying the impact of energy absorption by wave farms on the nearshore wave climate. The study was applied to the Maritime Pilot Zone recently created by the Portuguese government to support the deployment of offshore wave energy prototypes and farms...

... energy of berthing vessels and to reduce the impact force between vessel hull and quay wall. The energy absorption of fenders has to be larger than the berthing energy. In addition, it is recommended to consider the safety factor and /or abnormal factor in the British Standard and PIANC WG33 Report 2002...