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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...
The heaving buoy wave power device only uses the energy of one-directional movement to generate electric power, neglecting the energy of other degrees of freedom. Based on this, an innovative buoy wave power device considering multi-freedom oscillation is projected. It has three translational degrees of freedom that are heave, sway and surge. In order to provide a reference for the device design,...
The marine environment, such as wind, wave and current, can have a significant effect in subsea production tree installation process and has brought difficulties and challenges. In this paper, in order to analyze riser stress and displacement in tis installation with different marine environments, the loads and boundary conditions at different installation stages are elected, and the installation...
When tsunami occurs and approaches land, wave heights in tens of meters can be generated and their destructive power could be enormous as shown in the 2011 earthquake off the Pacific coast of Tohoku, Japan. Most of the damages, such as inland flooding and destruction of structures, by tsunami are closely related to wave run-up near shoreline and its impact on the structures. However, it is not so...
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