[PDF] Top 20 Towards a full bandwidth numerical acoustic model

... by numerical discretisation of the total field whereas geometric methods trace reflections individually according to a high-frequency asymptotic ...a full interaction matrix (including self-interaction) for ... See full document

... wave numerical model. Signifi- cant differences between numerical and analytical AGW pa- rameters reveal circumstances when analytical theories give substantial errors and numerical ... See full document

... We construct non-local artificial boundary conditions (ABCs) for the numerical sim- ulation of genuinely time-dependent acoustic waves that propagate from a compact source in an unbounded unobstructed ... See full document

... to model the microphysical interaction, specifically the Morrison double-moment scheme (Morrison et ...(IJ) model of thunderstorm downbursts, as well as the simplified thermodynamic based cooling source ... See full document

... shell model incorporating piezoceramic ...the full order calculations most likely will, without special eorts, prohibit feedback control design in current on-line computational ...a model for which ... See full document

... By this analysis, a perfect sine wave will travel with a constant amplitude until the peak catches up with the trough. The distance that the wave travels before this happens depends on the amplitude of the velocity ... See full document

... to model multiperforated plates by approximate impedance boundary ...direct numerical computations based on a boundary element formulation in the case of linear ... See full document

... analytical model for predicting the performance of EDC and MC-DBP in the optical transmission system has been carried out based on the analysis of modulation format dependent nonlinear ...back-propagated ... See full document

... the full numerical solutions obtained with the adiabatic pulsation code ADIPLS [1] for the two models considered in this study are shown in Figure 3 (black ...resonant acoustic frequencies are easily ... See full document

... earth-atmosphere model and to study the exchange waves at their boundary. The numerical simulation of these processes makes it possible to investigate the peculiari- ties of the wind effects on the ... See full document

... Because acoustic wave is adopted to actualize comm- unication in the water instead of electromagnetic wave, it is called underwater acoustic communication. However, the complex environment in the ocean ... See full document

... In the graphic representation, the X-axis shows the measuring points, when point X8 is a measurement of the velocity profile past the cylinder axis. The Y-axis shows the arithmetic average of measured velocity. For the ... See full document

... Cantrell’s model considers contributions to the nonlinear parameter separately: lattice anharmonicity, dislocation sources and ...This model requires detailed information about the dislocation densities, ... See full document

... equal bandwidth channels and calculate how much bandwidth can be achieved in each channel according to our definition of ...and bandwidth scaling with the supposition of “perfect” ...monopole ... See full document

... Abstract. As most of the world’s population lives in cities, it is critical to understand dispersion processes of pollutants in urban areas. This study focuses on so called air exchange rate (ACH) index, which is ... See full document

... Node that finds out of end node, it sends a controlling packet, called BP (Back Pressure) packet. Upon receiving a BP packet, every neighboring node tries to shift the forwarding vector of the corresponding packet if it ... See full document

... Among others, some of the works providing ASR system for South-Asian languages are (Al-Qatab and Ainon, 2010; Gupta, 2006; Pruthi et al., 2000). Pruthi et al. (2000) have developed a speaker-dependent, real-time, ... See full document

... phase-field model for quasi-static brittle ...source. Numerical solutions in 2d and 3d with adaptive mesh refinement show optimal scaling of the linear solver based on algebraic multigrid, and convergence ... See full document

... High selectivity filters usually involve the use of ladder structures which are limited in bandwidth due to the restrictions on their effective coupling coefficient. The use of ladder filters allows the presence ... See full document

... broader bandwidth of measurement approaches, and the application of multilevel modeling to data that acknowledges the variability inherent in ...greater bandwidth Ð of evidence to underpin the science of ... See full document