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Pseudo-spectral method of Fourier

SIMULAÇÃO DE ESCOAMENTOS NÃO-PERIÓDICOS UTILIZANDO AS METODOLOGIAS PSEUDO-ESPECTRAL E DA FRONTEIRA IMERSA ACOPLADAS

SIMULAÇÃO DE ESCOAMENTOS NÃO-PERIÓDICOS UTILIZANDO AS METODOLOGIAS PSEUDO-ESPECTRAL E DA FRONTEIRA IMERSA ACOPLADAS

... comprehension of phenomena related to combustion, aeroacustics, turbulence transition, among ...One of these methods is the Fourier pseudo-spectral method, that provides an ...

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On the Pseudo-Spectral Method of Solving Linear Ordinary Differential Equations

On the Pseudo-Spectral Method of Solving Linear Ordinary Differential Equations

... problem of approximation of a function by interpolation on an interval paved way for the spectral methods which are found to be successful for the numerical solution of ordinary and partial ...

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SIMULAÇÃO DE GRANDES ESCALAS DE JATOS PERIÓDICOS TEMPORAIS UTILIZANDO A METODOLOGIA PSEUDO-ESPECTRAL DE FOURIER

SIMULAÇÃO DE GRANDES ESCALAS DE JATOS PERIÓDICOS TEMPORAIS UTILIZANDO A METODOLOGIA PSEUDO-ESPECTRAL DE FOURIER

... one of the most challenging problems in actuality, especially in industrial applications, like mixtures processes, heat transfer, lubrication, combustion, or propulsion systems in airplanes In front of such ...

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MARIANA FERNANDES DOS SANTOS VILLELA

MARIANA FERNANDES DOS SANTOS VILLELA

... simulations of two-phase flow require high accuracy in order to obtain detailed information of the ...use of Fourier pseudo-spectral method to solve multiphase flow ...

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Measuring performance in the Portuguese banking industry with a Fourier regression model

Measuring performance in the Portuguese banking industry with a Fourier regression model

... determinants of banks’ profitability in the Portuguese banking sector during the period 1990 to ...a Fourier approximation in order to detect for possible nonlinearities between the profitability variables ...

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A Method To Find The Area Of Sector Without The Usage Of Angle Made By The Chord

A Method To Find The Area Of Sector Without The Usage Of Angle Made By The Chord

... area of sector the angle made by the chord (that is chord which divides the circle) is ...below method we find the ratio of the segments of the ...area of segment to the area of ...

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Lat. Am. j. solids struct.  vol.14 número4

Lat. Am. j. solids struct. vol.14 número4

... analysis of seismic actions in concrete gravity dams was investigated by three dif- ferent approaches: (1) Pseudo-Static Method, (2) Pseudo-Dynamic Method and (3) Dynamic analy- sis in ...

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A FOURIER TRANSFORM METHOD for V sin i ESTIMATIONS UNDER NONLINEAR LIMB-DARKENING LAWS

A FOURIER TRANSFORM METHOD for V sin i ESTIMATIONS UNDER NONLINEAR LIMB-DARKENING LAWS

... study of many important physical issues pertaining to stellar ...fitting of synthetic spectra, interferometry, and on Fourier transforms (FTs) of line ...all of the estimations ...

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Simulation of the Soliton Propagation in the Linear Chirped Fiber Bragg Grating

Simulation of the Soliton Propagation in the Linear Chirped Fiber Bragg Grating

... One of the important aspects of FBGs is the propagation of soliton pulses and effects of the fiber parameters, such as dispersion and nonlinearity, on ...set of nonlinear coupled ...

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INVESTIGATIONS ON THINNING AND THICKENING LINEAR ARRAYS

INVESTIGATIONS ON THINNING AND THICKENING LINEAR ARRAYS

... Discrete radiating elements are characterized by multidirectional radiation patterns. Most often their gain and directivity are inadequate. In order to meet the requirements of above parameters, array antennas are ...

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Characterization of ultra low frequency (ULF) pulsations and the investigation of their possible source

Characterization of ultra low frequency (ULF) pulsations and the investigation of their possible source

... source of these ...ducibility of these components remains a puzzle since it sug- gests that the structure of the magnetospheric cavity is not changing whereas it is changing ...reproducibility ...

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Spectral Sensitivity Measured with Electroretinogram Using a Constant Response Method.

Spectral Sensitivity Measured with Electroretinogram Using a Constant Response Method.

... Constant-Response Method has been used in previous studies to estimate the spectral sensitivity of bees and turtles through intracellular recording of photoreceptors (bees) or hori- zontal ...

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Analytic-numerical method of determining the freezing front location

Analytic-numerical method of determining the freezing front location

... modeling of thermal processes combined with the reversible phase transitions of type: solid phase – liquid phase leads to formulation of the parabolic boundary problems with the moving ...Solution ...

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DETERMINATION OF CIRCULATION AND SHORT PERIOD FLUCTUATION

DETERMINATION OF CIRCULATION AND SHORT PERIOD FLUCTUATION

... From the results obtained through visual inspection of the original data, pro- gressive vectorial diagrams, Fourier Analysis and Maximum Entropy Method, the following [r] ...

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Matéria (Rio J.)  vol.14 número1

Matéria (Rio J.) vol.14 número1

... simulation of the transport processes relevant to the application considered ...basis of the void fraction evaluation method in Section ...the method in Section 3 does not ...applicability ...

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A unified approach of catastrophic events

A unified approach of catastrophic events

... A method to asses the approach to the global instability has been applied in EM pre-seismic ...study of these pre-failure signals seems to provide a way for observ- ing the Earth’s crust ability to respond ...

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Fusion of Multi-Scale Visible and Thermal Images using EMD for Improved Face Recognition

Fusion of Multi-Scale Visible and Thermal Images using EMD for Improved Face Recognition

... The EMD was originally proposed for 1-D time signals. It can be used for images by converting 2-D image data to 1-D vectors. The conversion is accompanied by ‘lexicographical rearrangement’. Then this 1-D vector can be ...

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Mat. Res.  vol.7 número2

Mat. Res. vol.7 número2

... homogenization of carbon con- centration is ...mixture of martensite and ferrite. In contrast, a higher value of 1021 HV is achieved in the zone (3) due to the martensitic struc- ...

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TEMA (São Carlos)  vol.15 número1

TEMA (São Carlos) vol.15 número1

... minimization method through geodesic [1] is a modification of Newton’s method for mini- mization in Stiefel and Grassmann manifolds that takes advantage of those ...lems of ...

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Arq. NeuroPsiquiatr.  vol.67 número2B

Arq. NeuroPsiquiatr. vol.67 número2B

... investigate spectral analysis of electroencephalograms (EEG) for the alpha frequency band during rest and cognitive stimulation in healthy adults and individuals with mild cognitive ...impairment. ...

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