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This paper presents a new method with parallel FDTD algorithm based on MPI library to analyze thin-slot coupling, which often leads to huge computation. It is demonstrated that the adopted parallel strategy is feasible by comparing the results of serial FDTD computation with that of the proposed method. The high efficiency of this method is also proved. Comparison of the field components given by...
The increasing harm of the Great Pacific Ocean Garbage Patch has aroused widespread concern of the public. In order to provide government with solutions to this problem, this paper researches into the law of the floated plastic's transport along the West Coast of the U.S., considering factors like wind and ocean currents. At the same time, I consider the settlement of floated matter and re-float mechanism,...
The tubular pump device model including rotor, stator and inlet and outlet passages was simulated based on SIMPLEC arithmetic and standard k-?? RNG turbulence model. The match of rotor and stator in tubular pump was optimized. The numerical results show that the device model has a steady flow field and high efficiency when the distance between rotor and stator is 0.11D2. With the distance increasing...
The continuum/discontinuum multiscale computations have great advantages in the large wheel/soil interaction simulations. Based on DEM software PFC2Dreg, the continuum/discontinuum multiscale analytical system of the interaction between rigid wheel and lunar soil by coupling discrete elements and matrix module was established. In the multiscale system, Bulk material particles on the surface being...
We report the first quantitative study of intensity noise induced in line-by-line pulse shaping in response to time-varying changes in the comb frequency offset. Controllable comb linewidth broadening is synthesized through frequency dithering of a continuous-wave laser that is fed to a phase modulator. An electrical spectrum analyzer is used to examine the current power spectra of shaped time-domain...
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