... transportation asia government strength bow impact pressure bow impact load bow impact analysis draught freight & logistics services impact pressure strength evaluation calculation point strength assessment canada government impact load forward structure criteria Proceedings of the Thirty...

... impact pressure variation spatial variation time step upstream oil & gas wave impact pontoon reservoir simulation pontoon height coefficient impact load higher position maximum impact pressure impact velocity engineering pontoon length square column numerical model...

... ABSTRACT The assessment of structural strength of membrane tanks onboard ships to transport liquified natural gas is generally based on sloshing-induced impact loads. These loads are usually determined via model tests for the ship sailing in short-crested wind seas having a cos 2 spreading...

... the research on the hydrodynamic performance of high-speed craft far more difficult than that of conventional displacement ships. Therefore, in this paper, the impact load of high-speed craft under regular wave is numerically simulated based on STAR-CCM+ software. At the same time, a tank test of the high...

... and velocity load characteristics of impinging jet during the recovery process and the time history curves of the field variables at different positions on the deck are studied. The impact load analysis method of the gas jet on the deck is summarized and analyzed. The results can lay the foundation...

... ABSTRACT In this paper, the impact load of water spray under the influence of air is calculated, and an efficient and accurate calculation method is proposed. Firstly, the initial patterns of tire water spray are simulated by the SPH-FEM method in LS-DYNA, then the position and velocity...

... ABSTRACT the vessel) and at the highest instantaneous pitch amplitude where the water propagates far downstream and across the deck, the green water on Wave impact loads prediction is very important for marine structure the deck has the largest impact on the deck. The influence of different design. However...

... Abstract The oblique water entry of a cylinder is investigated experimentally in the present study. The cylinder is driven by a computer-controlled linear motor to ensure the constant impact velocity during the water entry process. To investigate the influence of wave on the impact loads...

... in the commercial software SIMA. Simplistically, linear stiffnesses are applied to simulate the characteristics of deck support units (DSUs) and leg mating units (LMUs). According to the numerical results, variations of the impact loads acting on the DSUs and LMUs are clearly recorded. The variations are captured...

... lead to the impact loads on the LMU and the fender, which would threat the safety of the jacket and the topsides (Seij and Groot, 2007; Wang et al., 2014). How to quickly and safely transfer the topsides onto the jackets is main concern of the floatover installation. floatover installation...

... loads in harsh environmental conditions become currently a significant challenge for the offshore structure design. Recently, in order to predict the proper impact load by extreme wave, a focusing wave based on nonlinear wave-wave interaction is being widely employed. Many researchers have studied...

... ABSTRACT In harsh sea state, offshore structures may suffer from extreme wave impact loads, which can result in seriously local structural damage. It is still a great challenge in predicting wave impact loads for offshore structures design, since extreme wave impact phenomenon is very complex...

... ABSTRACT Numerical simulations were carried out to investigate wave impact loads on bow flare of a FPSO under irregular conditions. In this study, the horizontal slamming and vertical slamming were surveyed through relation between the motions and the slamming forces. To do that, two time...

... and experimental methods. Von Karman (1929) and Wagner (1932) estimated the slamming impact load on a simple structure based on the analytical method, and many types of research have been carried out based on their pioneering research works. However, it still needs more researches to evaluate the slamming load...

... ABSTRACT This paper aims to investigate the dynamic characteristics of the impact load by simulating the ship-ice glancing impact events between a polar research vessel and giant ice floes in ice tank. To achieve a reasonable simulation on the design scenario, methodological calibration tests...

..., the above studies focused on conventional piles much larger and deeper than guardrail supporting piles and the dynamic behavior of piles subjected to impact load was not considered. ultimate load soil reaction pressure distribution strain gage impact load h-velocity impact load reaction pressure...

.... The SESAM family software SIMO is then used for the nonlinear time-domain simulations to extract the impact loads and motion time series for the selected sea states. Various coupling elements are applied to simulate the nonlinear contact mechanics, including two sway fenders, two jacket entry guides, two...

... Experimental Study of Wave Impact Loads on Circular Cylinder by Breaking Waves Yoon-Jin Ha1, Kyong-Hwan Kim1, Bo Woo Nam1, Sa Young Hong1* 1Korea Research Institute of Ships & Ocean Engineering (KRISO) Daejeon, Republic of Korea ABSTRACT This study considers a wave impact load acting on a circular...

... spilling wave wave impact load fluid dynamics impact force impact load mesh size cylinder time step wave elevation impact pressure wavemaker model test cfd simulation cylinder location engineering steep wave time series simulation upstream oil & gas ABSTRACT...

... ABSTRACT The present study compares the CFD analysis on breaking wave impact loads on a circular cylinder. The wave impact load due to breaking waves is critical on offshore structures, however it is difficult to obtain the magnitude of impact load accurately both in experiments...