Results 31 to 40 of about 2,774 (297)

Fractional-Order Thermoelastic Wave Assessment in a Two-Dimensional Fiber-Reinforced Anisotropic Material

open access: yesMathematics, 2020
The present work is aimed at studying the effect of fractional order and thermal relaxation time on an unbounded fiber-reinforced medium. In the context of generalized thermoelasticity theory, the fractional time derivative and the thermal relaxation ...
Samah Horrigue, Ibrahim A. Abbas
doaj   +1 more source

Fractional cosine and sine transforms [PDF]

open access: yes, 2002
The fractional cosine and sine transforms - closely related to the fractional Fourier transform, which is now actively used in optics and signal processing - are introduced and their main properties and possible applications are ...
Bastiaans, M.J.   +5 more
core   +1 more source

A study on the thermoelastic interaction in two-dimension orthotropic materials under the fractional derivative model

open access: yesAlexandria Engineering Journal, 2023
The extended thermoelastic theory with fractional derivative is described in this article to estimate temperature variation, displacement components, and stress components in two-dimensional orthotropic materials.
Aatef Hobiny, Ibrahim A. Abbas
doaj   +1 more source

A transition integral transform obtained from generalization of the Fourier transform

open access: yesAin Shams Engineering Journal, 2019
We introduce a generalized integral transform (GIT) whose integration path lies on the complex plane. The GIT has both bilateral and unilateral versions, and generalizes a set of known integral transforms, e.g. Fourier, Laplace, allowing to solve integro-
Rafael G. González-Acuña   +1 more
doaj   +1 more source

Application of Fractional Fourier Transform for Prediction of Ball Mill Loads Using Acoustic Signals

open access: yesIEEE Access, 2019
In cement plant and power plant, ball mills remain in current and widespread use. The load parameter inside a ball mill directly impacts the stability of the production process, the grinding production rate, and the quality of the product in the grinding
Jianquan Shi, Gangquan Si, Yanbin Zhang
doaj   +1 more source

Octonion Special Affine Fourier Transform: Pitt’s Inequality and the Uncertainty Principles

open access: yesFractal and Fractional, 2023
The special affine Fourier transform (SAFT) is an extended version of the classical Fourier transform and incorporates various signal processing tools which include the Fourier transforms, the fractional Fourier transform, the linear canonical transform,
Mohammad Younus Bhat   +3 more
doaj   +1 more source

Optical Image Encryption Using a Nonlinear Joint Transform Correlator and the Collins Diffraction Transform

open access: yesPhotonics, 2019
The Collins diffraction transform (CDT) describes the optical wave diffraction from the generic paraxial optical system. The CDT has as special cases the diffraction domains given by the Fourier, Fresnel and fractional Fourier transforms.
Juan M. Vilardy O.   +2 more
doaj   +1 more source

Two-Dimensional Discrete Coupled Fractional Fourier Transform (DCFrFT)

open access: yesFractal and Fractional
The fractional Fourier transform is critical in signal processing and supports many applications. Signal processing is one notable application. Implementing the fractional Fourier transform requires discrete versions.
Asma Elshamy   +2 more
doaj   +1 more source

Influence of MHD on Some Oscillating Motions of a Fractional Burgers' Fluid

open access: yesمجلة بغداد للعلوم, 2015
This paper presents a study for the influence of magnetohydrodynamic (MHD) on the oscillating flows of fractional Burgers’ fluid. The fractional calculus approach in the constitutive relationship model is introduced and a fractional Burgers’ model is ...
Baghdad Science Journal
doaj   +1 more source

Analytical solutions to the advection-diffusion equation with Atangana-Baleanu time-fractional derivative and a concentrated loading

open access: yesAlexandria Engineering Journal, 2021
In this communication we have studied well known physical process of two-dimensional advection–diffusion phenomena. The advection–diffusion equation is time-fractionalized by exploiting Atangana-Baleanu fractional derivative operator.
Itrat Abbas Mirza   +4 more
doaj   +1 more source

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