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Numerical Investigation of Air Cavity Formation During the High Speed Vertical Water Entry of Wedges
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, a nonlinear boundary element method (BEM) is developed for investigating air cavity formation during the highspeed water entry of wedges. A technique is proposed for dynamic regridding of free surface ...
A Numerical Study on Stratified Shear Layers With Relevance to Oil Boom Failure
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Interface dynamics of twophase flow, with relevance for leakage of oil retained by mechanical oil barriers, is studied by means of a twodimensional (2D) latticeBoltzmann method (LBM) combined with a phasefield model for ...
Fully Nonlinear Wave Current Body Interaction Analysis by a Harmonic Polynomial Cell Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new numerical 2D cell method has been proposed by the authors, based on representing the velocity potential in each cell by harmonic polynomials. The method was named the harmonic polynomial cell (HPC) method. The method ...
Linear Dynamic Stability Analysis of a Surface Piercing Plate Advancing at High Forward Speed
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The dynamic stability of a surfacepiercing plate, advancing with high forward speed in the horizontal plane, is investigated in the scope of linear theory. The hydrodynamic forces on the plate in sway and yaw are presented ...
Second Order Diffraction and Radiation of a Floating Body With Small Forward Speed
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The formulation of the secondorder wavecurrentbody problem in the inertial coordinate system involves higherorder derivatives in the body boundary condition. A new method taking advantage of the bodyfixed coordinate system ...
Wave-Induced Accelerations of a Fish-Farm Elastic Floater: Experimental and Numerical Studies
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Numerical simulations and experiments of an elastic circular collar of a floating fish farm are reported. The floater model without netting structure is moored with nearly horizontal moorings and tested in regular deep-water ...