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Nearshore wave model was established based on the enhanced Boussinesq equations, which were dispersed into orthogonal grids on spatial distribution and solved using alternating direction implicit (ADI) algorithm. There are three kind of boundary conditions which are absorbing boundary, reflecting boundary and wave-generating boundary in the model, while the wave on open boundary was driven by the...
To effectively control botnets, a study on modeling and analyzing the propagation characteristics of botnets has been lasted for many years. Due to the real network has scale-free properties, it is unrealistic for mainstream propagation models to describe how the bots spread based on random network. Hence, in this paper, we take two key factors which can reflect the scale-free feature of actual Internet...
A series of model resistance tests of the 4500m3/h self-propelled cutter suction dredger are simulated based on the computational fluid dynamics software in this paper. By comparison of experimental data and CFD calculation results, the reliability of the CFD tools in the study of resistance performance of the vessel with notch in bow is proved. Then the variation of resistance of the vessel with...
BitTorrent-like swarming technologies are very effective for popular content, but less so for the `long tail' of files with disparate popularities, which do not have sufficiently many peers to enable efficient collaboration. Performance degradations are especially pronounced in swarms with reduced file availability. Static bundling groups files into a single data content. It requires no modification...
Mesoscale models are routinely used in the forecasting of hurricanes. The accuracy of these model outputs vary depending on the model in use as well as the initial conditions. In this paper, we study 3D immersive visualization as a method for the comparison and analysis of model outputs. We observe that 3D immersive visualization can be an effective tool in the perception, evaluation and the understanding...
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