... ratio structure has the characteristics of "soft first and then hard", which not only has a good energy absorption rate, but also greatly slows down the collision velocity, and can also reduce the plastic deformation of the side during the collision. Therefore, in order to improve the crashworthiness...

... 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...

... loading compression loading strength zhang gradient deformation resistance lattice application engineering absorption plastic deformation gradient configuration abu al-rub gyroid tpm structure mechanism Proceedings of the Thirty-fourth (2024) International Ocean and Polar...

..., loading and unloading process and energy absorption characteristics of the honeycomb sandwich plates with different gradients under repeated impacts loading are analyzed. Meanwhile, the influences of gradient on the dynamic responses of the honeycomb sandwich plates is discussed. Results show...

... lattice is significantly improved compared to the stiffness of truss with the same mass. Fan (2018) constructed hierarchical two-dimensional plate-lattice materials for energy absorption and they found the hierarchy can greatly improve the specific energy absorption of cellular materials. Bonati and Mohr...

... shows 2 different shapes of the TALOS WEC and the PTO design: a) octagonal; b) triangular, with the PTO seen from the cut-off; and c) PTO system for the TALOS model (also for numerical modelling). In wave energy absorption, the TALOS WEC performs like a point-absorber WEC, but with all motion modes...

... prototype scenario reservoir simulation sustainable development assessment section converter constraint formulation information angular displacement representation wavestar prototype synthesis procedure denote torque absorption Proceedings of the Thirty-fourth (2024) International Ocean...

... absorption of flexible plant was explored experimentally with CB, layer sediment bottom (LB) and soil bottom (SB) to figure out the influence of soil response on the vegetation wave absorption. Results indicated that wave attenuation rate of SB is less than that of CB/LB due to the near bed seepage gradient...

... 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 The underwater acoustical model structured by two steel cylinders and a void cylinder embedded in rubber medium with steel and air backing or water backing is proposed in this paper, based on the theory of sound resonance absorption. Through the commercial software Comsol 5.4...

... decreased the activation energy of hydrogen absorption, however it increased that of hydrogen adsorption. INTRODUCTION For developing high-strength steel, hydrogen embrittlement is one of the biggest issues. In particular, hydrogen entry catalysts called poison such as thiocyanide ion (SCN...

... ABSTRACT Nowadays, heavy metal pollution in seabed silt is becoming more and more serious. In this study, a new disposal method of using dredged sludge mud mixed with quicklime, sand and cement to produce bricks was proposed. Taking the water absorption and compressive strength of unburned...

... Boundary for Wave Generation and Absorption Guixun Zhu, Jason Hughes, Siming Zheng and Deborah Greaves School of Engineering, Computing and Mathematics, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK ABSTRACT long-crested monochromatic and random waves using a piston-type wavemaker. Crespo et...

... ABSTRACT Carbon steels are the cost-effective materials of choice for pipelines and casings for sour service in the oil and gas industry. In this work hydrogen permeation, absorption and trapping was studied in several line pipe and OCTG steels. It is shown that H absorption in line pipe...

... interaction is tested in numerical wave tank (NWT) with two different wave generation and absorption methods. In addition, the experiments are conducted to validate the CFD results. The comparison seems to be good with the experimental results and remains steady for more than 15 periods in the case where...

... production, high energy absorption from waves, low mooring forces, low cost concerning tow out for installation, and easy access to mechanical equipment which are all located above water. INTRODUCTION The objective of this paper is to present a conceptual study of the design of a wave farm composed...

.... 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...

... ABSTRACT A new solver based on OpenFOAM is utilized to simulate the process of three-dimensional regular wave impact on a horizontal plate. The wave is generated by a numerical piston wave-maker and absorbed by means of active absorption, which is applied to both the inlet and outlet boundary...

... Abstract The present investigation concerns optimum wave absorption in numerical wave tanks. Recent developments have now established that (i) absorption controllers based on Infinite Impulse Response (IIR) filters are highly effective and (ii) cosh shaped wave board geometries offer...

... to control the energy of the oncoming wave. experiment wave gauge wave absorber plate absorption generator reflectance wave absorber coastal engineering wave envelope wave flume wave height absorber plate theoretical result incident frequency absorber engineering Effect of ave...