| Summary: | 碩士 === 國立成功大學 === 造船及船舶機械工程學系 === 88 === In this paper, we describe the effect on the plate and the variation in the pressure field around a bubble during procedure before a bubble exploring. The track will be perturbed by the environmental boundary in explosion. When there is a plate nearby the bubble, it moves forward to the plate and the pressure field varied. The variation act on the plate lead to a dynamic response from the plate. At the same
In this paper, we describe the effect on the plate and the variation in the pressure field around a bubble during procedure before a bubble exploring. The track will be perturbed by the environmental boundary in explosion. When there is a plate nearby the bubble, it moves forward to the plate and the pressure field varied. The variation act on the plate lead to a dynamic response from the plate. At the same time, the bubble will be far away from free surface by the effect of free surface.
In this paper, we use the method of image to infer Green Functions
Under two boundary conditions: “free surface” and “place plate around.” The computation of pressure fields around a bubble was resulted from the mathematical model of adopting 3D Boundary Element Method to solve integral equations. The mathematical model was verified by using 1D Rayleigh-Plesset equation.
Besides, we also use Newmark direct-Integral equation to solve integral equations to analyses the response of the plate. Finally, an analytic table is made to express the effects from the bubble position and magnitudes of dynamite explosive.
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