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The objective of this study is to predict the pressure gradient for gas-liquid bubbly flow along a vertical pipeline by using a Computational Fluid Dynamics (CFD) numerical simulation. The CFD simulation is compared with experimental data obtained from the literature, which involves a vertical pipe with a length of 1.52 m and an inner diameter of 11.68 mm. Empirical correlations available in the literature...
In this paper, the stability of a parallel higher order basis based integral equation solver (HOBBIES) is analysed. The monostatic RCS from a model of 80 wavelength height and 60 wavelength width is simulated at 21 frequencies. The benchmark obtained indicates that HOBBIES takes almost the same amount of time for matrix filling and matrix equation solving for each frequency. The project is executed...
The objective of this paper is to illustrate how these problems can be best handled on scalable affordable personal computer clusters. The authors propose to achieve this goal through the use of out-of-core matrix solvers. Since, the authors do not require RAM but hard disk to deal with the storage, now the problem can be handled at an affordable personal level. Examples are presented on how this...
Accurately estimating rice biomass and yield is important not only for rice cropping management, but also for quantitatively understanding carbon cycle in agricultural ecosystem. This study integrated a rice canopy scattering model with Genetic Algorithm Optimization Tool (GAOT) to simulate rice biophysical parameters and to estimate rice biomass from L-band, HH polarization mode ALOS/PALSAR radar...
The Wang neural network, together with its improved circuit implementation, could solve online a set of simultaneous linear equations. Global exponential convergence is presented for the Wang neural network, compared to the previously-presented asymptotical convergence. In addition, global stability results are presented for the Wang neural network. Illustrative examples further demonstrate the characteristics...
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