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The recent advent of multicore processors, and especially the introduction of many-core GPUs, opens new horizons to large-scale, high-resolution, simulations for a broad range of scientific fields. Among them, the scientific area of CFD appears to be one of the candidates that could significantly benefit from the utilization of many-core GPUs. In o rder to investigate such a potential, we evaluate...
For the analysis of car interior noise at high speed, the influence of autobody aerodynamics should be taken into account, besides the vibration and acoustic radiation of powertrain, the random excitation from road and the vibration inputs of tires, and so on. A model of CFD was built. And the most turbulent area of autobody surfaces was located. The spectrum of average aerodynamic pressure of monitoring...
A novel annular spouted bed with multiple gas nozzles, has been proposed for dryness, pyrolysis, and gasification of coal particulates. It consists of two homocentric upright cylinders with some annularly located spouting gas nozzles between inner and outer cylinders. A three-dimensional Eulerian multiphase model, with closure law according to the kinetic theory of granular flow, was used to simulate...
In this study, a three-dimensional, transitional simulated model of a one-side actuating micropump, based on an actual design, has been successfully developed to predict the flow rates and pump heads by changing actuator displacements and the coupling effects of valves under different frequencies. The grid deformation with two moving boundaries, including the PDMS diaphragm and the piezoelectric device,...
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