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In the present study, numerical simulations of drilling fluids that composed with two media on a mechanical agitator in a mud handling system were carried out to investigate the mixing performance of agitator and the keeping performance of homogeneity using both Eulerian and Lagrangian approaches. For simulation, two commercial softwares, STAR CCM+ based on Eulerian approach and Particleworks based...
As demand and supply of Grid resources in Grid computing environments increases rapidly, many Grid researchers have taken particular interest in efficient management of Grid resources. In this paper, a user demand prediction-based resource management model (UDPRMM), which uses the user demand trend of Grid resources as a critical management factor, is proposed. This paper introduces a user demand...
Principle component analysis (PCA) is a dimensionality reduction technique for data analysis and processing, and it is a linear method that can maximize the variance of data. In this paper, to achieve the high efficiency for data classification, nonlinear PCA using local probability is proposed. Parameters are extracted from each distribution of data and mapping function of data set is made using...
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