Results 11 to 20 of about 256,994 (258)

Non- Fourier Heat Transfer and Fluid Flow Simulation in Keyhole Plasma Arc Welding Process [PDF]

open access: yesمجله مدل سازی در مهندسی, 2016
To obtain the transient temperature in different parts of the body and the welding pool growing, the continuity and momentum equations are solved along with the energy equation.
Ramin Abedifard, seifollah Sadodin
doaj   +1 more source

New examples of non-Fourier–Mukai functors

open access: yesCompositio Mathematica, 2022
A celebrated result by Orlov states that any fully faithful exact functor between the bounded derived categories of coherent sheaves on smooth projective varieties is of geometric origin, i.e. it is a Fourier–Mukai functor. In this paper we prove that any smooth projective variety of dimension
RAEDSCHELDERS, Theo   +2 more
openaire   +4 more sources

Unlimited Sampling Theorem Based on Fractional Fourier Transform

open access: yesFractal and Fractional, 2023
The recovery of bandlimited signals with high dynamic range is a hot issue in sampling research. The unlimited sampling theory expands the recordable range of traditional analog-to-digital converters (ADCs) arbitrarily, and the signal is folded back into
Hui Zhao, Bing-Zhao Li
doaj   +1 more source

Non-ideal sampling in shift-invariant spaces associated with quadratic-phase Fourier transforms

open access: yesAlexandria Engineering Journal, 2023
Non-ideal sampling has nourished as one of the most attractive alternatives to classical sampling, which relies on shift-invariant spaces. The present study focuses on investigating the non-ideal sampling in shift-invariant spaces associated with the ...
Waseem Z. Lone   +5 more
doaj   +1 more source

Causality in non-fourier heat conduction

open access: yesJournal of Physics Communications, 2022
Abstract We present a study of the causal response of non-Fourier heat conduction by introducing a dispersive generalized thermal susceptibility and show it obeys Kramers-Kronig relations. In particular, we discuss the Cattaneo-Vernotte and the dual-phase lag models.
A Camacho de la Rosa, R Esquivel-Sirvent
openaire   +1 more source

MULTIPLE FOURIER SERIES AND FOURIER INTEGRALS WITH NON-SEPARABLE VARIABLES

open access: yesИзвестия высших учебных заведений. Поволжский регион: Физико-математические науки, 2020
Background. Integral transforms for functions of several variables are an actively developing area of mathematical analysis. Numerous applications in integral transforms method for solving equations of mathematical physics, in signal processing of ...
O. E. Yaremko   +2 more
doaj   +1 more source

Bioheat Equation with Fourier and Non-Fourier Heat Transport Laws Applicability to Heat Transfer in

open access: yesJournal of Thermal Engineering, 2019
The paper is dedicated to mathematical problem formulations for the heat propagation in biological tissues based on the Fourier and non-Fourier laws at different boundary conditions.
Natalya KİZİLOVA
doaj   +1 more source

New approach for the determination of the characteristics of signals containing fluctuating harmonics [PDF]

open access: yesInternational Journal of Metrology and Quality Engineering, 2011
This paper describes a new approach for the analysis of signals containing fluctuating harmonics. It is based on the Fourier transform, using windowing to reduce the error arising from analysing the signal over a non integer number of signal periods and ...
Poletaeff A., Espel P.
doaj   +1 more source

Non-Fourier heat transport in nanosystems

open access: yesLa Rivista del Nuovo Cimento, 2023
AbstractEnergy transfer in small nano-sized systems can be very different from that in their macroscopic counterparts due to reduced dimensionality, interaction with surfaces, disorder, and large fluctuations. Those ingredients may induce non-diffusive heat transfer that requires to be taken into account on small scales.
Benenti G.   +3 more
openaire   +6 more sources

Hybrid Fourier series and smoothing spline path non-parametrics estimation model

open access: yesFrontiers in Applied Mathematics and Statistics, 2023
Pathway analysis is one way to determine whether there is a causal relationship between extrinsic and intrinsic factors. The linearity assumption is something that can change the model. The shape of the model is subject to linearity assumptions.
Atiek Iriany   +1 more
doaj   +1 more source

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