A. F. Ghaleb
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View article: Reconstructing Primordial Curvature Perturbations via Scalar-Induced Gravitational Waves with LISA
Reconstructing Primordial Curvature Perturbations via Scalar-Induced Gravitational Waves with LISA Open
Many early universe scenarios predict an enhancement of scalar perturbations at scales currently unconstrained by cosmological probes. These perturbations source gravitational waves (GWs) at second order in perturbation theory, leading to …
View article: Nonlinear Rayleigh wave propagation in a three-layer sandwich structure in dual-phase-lag
Nonlinear Rayleigh wave propagation in a three-layer sandwich structure in dual-phase-lag Open
Plane, nonlinear Rayleigh wave propagation is investigated in a three-layer sandwich structure of a thermoelastic medium, within the frame of dual-phase-lag theory. The thermal conductivity is taken as a linear function of temperature. Thi…
View article: Effect of a harmonic surface pressure on wave propagation over a beach
Effect of a harmonic surface pressure on wave propagation over a beach Open
The objective is to study the harmonic forced wave motion over a beach by a finite Fourier transform technique. The constructed approximate solution has a logarithmic singularity at the shoreline. It accounts for reflexion and local pertur…
View article: Numerical Solution of the Newtonian Plane Couette Flow with Linear Dynamic Wall Slip
Numerical Solution of the Newtonian Plane Couette Flow with Linear Dynamic Wall Slip Open
An efficient numerical approach based on weighted-average finite differences is used to solve the Newtonian plane Couette flow with wall slip, obeying a dynamic slip law that generalizes the Navier slip law with the inclusion of a relaxati…
View article: Numerical solution of the Newtonian plane Couette flow with linear dynamic wall slip
Numerical solution of the Newtonian plane Couette flow with linear dynamic wall slip Open
An efficient numerical approach based on weighted average finite differences is used to solve the Newtonian plane Couette flow with wall slip, obeying a dynamic slip law that generalizes the Navier slip law with the inclusion of a relaxati…
View article: Laplace transform solution of the time-dependent annular Couette flow with dynamic wall slip
Laplace transform solution of the time-dependent annular Couette flow with dynamic wall slip Open
The annular Couette flow has several industrial applications, particularly for the characterization of the fluid flow and deformation behavior of fluids. The inclusion of the dynamic wall slip into the flow boundary conditions seems to be …
View article: On Flamant–Boussinesq problem with dynamical flexoelectric effect and micro-inertia effect in dielectrics subjected to dynamical wave loading
On Flamant–Boussinesq problem with dynamical flexoelectric effect and micro-inertia effect in dielectrics subjected to dynamical wave loading Open
This work investigates the Flamant–Boussinesq problem for a half-space made of a homogeneous and isotropic dielectric material. The dynamical flexoelectric effect and the dynamical flexocoupling between displacement and polarization, due t…
View article: A novel approach for an approximate solution of a nonlinear equation of charged damped oscillator with one degree of freedom
A novel approach for an approximate solution of a nonlinear equation of charged damped oscillator with one degree of freedom Open
A novel technique is proposed for finding an approximate solution of the strongly nonlinear ordinary differential equation for the charged damped pendulum with one degree of freedom. The method relies on a transformation of the governing n…
View article: Review of: "Can the electromagnetic fields form tensors if D = ϵE and H = B/µ?"
Review of: "Can the electromagnetic fields form tensors if D = ϵE and H = B/µ?" Open
Potential competing interests: No potential competing interests to declare.In the relativistic approach, there are usually two electromagnetic tensors formed from the Maxwellian fields: one of them is formed with the magnetic induction and…
View article: Annular unidirectional slip Couette flow with heat transfer and variable viscosity
Annular unidirectional slip Couette flow with heat transfer and variable viscosity Open
This paper investigates the thermal, variable viscosity axial Couette flow between two con-centric circular cylinders, taking into account both the Navier and the dynamical slip boundary conditions. The nonlinear governing equations for mo…
View article: One-dimensional nonlinear model of generalized thermo-electroelasticity
One-dimensional nonlinear model of generalized thermo-electroelasticity Open
We investigate a one-dimensional restriction of a nonlinear model of thermo-electroelasticity in extended thermodynamics and in the quasi-electrostatic regime (see Ghaleb et al. in Int J Eng Sci 119:29–39, 2017. https://doi.org/10.1016/j.i…
View article: One-dimensional nonlinear model of generalized thermo-electroelasticity
One-dimensional nonlinear model of generalized thermo-electroelasticity Open
We investigate a one-dimensional restriction of a nonlinear model of thermo-electroelasticity in extended thermodynamics and in the quasi-electrostatic regime (see [25]). An additional dependence of the thermal conductivity and the thermal…
View article: Nonlinear Rayleigh wave propagation in a layered half-space in dual-phase-lag
Nonlinear Rayleigh wave propagation in a layered half-space in dual-phase-lag Open
We investigate nonlinear Rayleigh wave propagation in a layered thermoelastic medium composed of a slab rigidly bonded to the surface of a half-space under prescribed external thermal boundary conditions within the dual-phase-lag theory. T…
View article: Nonlinear Rayleigh wave propagation in thermoelastic media in dual-phase-lag.
Nonlinear Rayleigh wave propagation in thermoelastic media in dual-phase-lag. Open
A model of generalized thermoelasticity within dual-phase-lag is used to investigate nonlinear Rayleigh wave propagation in a half-space of a transversely isotropic elastic material. It is assumed that the coefficient of heat conduction is…
View article: A novel approach for an approximate solution of a nonlinear equation of charged damped oscillator with one degree of freedom
A novel approach for an approximate solution of a nonlinear equation of charged damped oscillator with one degree of freedom Open
A novel technique is proposed for nding an approximate solution of the strongly nonlinear ordinary dierential equation for the charged damped pendulum with one degree of freedom. The method relies on a transformation of the governing nonli…
View article: Solution to the steady, wave-free, fully nonlinear, free surface flow of an incompressible fluid over a topography by Legendre polynomial expansion
Solution to the steady, wave-free, fully nonlinear, free surface flow of an incompressible fluid over a topography by Legendre polynomial expansion Open
A new semi-analytical approach relying on Legendre finite expansions of the free surface elevation and boundary collocation is proposed to solve the fully nonlinear two-dimensional, steady free-surface wave-free gravity flow in an infinite…
View article: Heat traveling waves in rigid thermal conductors with phase lag and stability analysis
Heat traveling waves in rigid thermal conductors with phase lag and stability analysis Open
Recently, a model equation that describes nonlinear heat waves in a rigid thermal conductor has been derived. The system of the governing equations for temperature and heat flux is nonlinear. The objective of the present work is to find a …
View article: A novel approach for an approximate solution of a nonlinear equation of charged damped oscillator with one degree of freedom
A novel approach for an approximate solution of a nonlinear equation of charged damped oscillator with one degree of freedom Open
A novel technique is proposed for finding an approximate solution of the strongly nonlinear ordinary differential equation for the charged damped pendulum with one degree of freedom. The method relies on a transformation of the governing n…
View article: Wave propagation in phononic materials based on the reduced micromorphic model by one-sided Fourier transform
Wave propagation in phononic materials based on the reduced micromorphic model by one-sided Fourier transform Open
A one-dimensional problem of wave propagation in phononic materials is solved under the reduced micromorphic model introduced recently. An efficient technique is used for the solution, based on one-sided Fourier transform. This allows obta…
View article: Cartesian harmonic polynomials for a problem of deformation of a long, current-carrying elastic cylindrical conductor of nearly-circular normal cross-section
Cartesian harmonic polynomials for a problem of deformation of a long, current-carrying elastic cylindrical conductor of nearly-circular normal cross-section Open
We use a method recently introduced by some of the authors to obtain a semi-analytical solution to a problem of deformation of a long cylindrical conductor carrying a steady axial current, in the quasi-electrostatic approximation.The metho…
View article: The Effect of Teaching Using Investigation Strategy in Developing Scientific Research Skills of Students at Arabic Language Program - Faculty of Education - Sana'a
The Effect of Teaching Using Investigation Strategy in Developing Scientific Research Skills of Students at Arabic Language Program - Faculty of Education - Sana'a Open
\n\nThe study aimed to know the effect of teaching using the investigation strategy in developing scientific educational research of 3rd level students in the Arabic Language Program at The Faculty of Education in Sana'a. To achieve this, …
View article: Numerical Solution to a One-Dimensional, Nonlinear Problem of Thermoelasticity with Volume Force and Heat Supply in a Slab
Numerical Solution to a One-Dimensional, Nonlinear Problem of Thermoelasticity with Volume Force and Heat Supply in a Slab Open
A numerical solution is presented for a one-dimensional, nonlinear boundary-value problem of thermoelasticity with variable volume force and heat supply in a slab. One surface of the body is subjected to a given periodic displacement and R…
View article: Deformation of a long thermoelastic rod of rectangular normal cross-section under mixed boundary conditions by boundary integrals
Deformation of a long thermoelastic rod of rectangular normal cross-section under mixed boundary conditions by boundary integrals Open
Using a well-known solution for steady temperature distribution in a rectangle, a boundary integral method is used to obtain an approximate solution for a plane problem of uncoupled thermoelasticity with mixed mechanical boundary condition…