Traveling wave solutions of the generalized Rosenau–Kawahara-RLW equation via the sine–cosine method and a generalized auxiliary equation method

J Sabi'u, H Rezazadeh, R Cimpoiasu… - International Journal of …, 2022‏ - degruyter.com
In this paper, we have approached a complicated nonlinear wave equation which links the
Rosenau–Kawahara equation to the regularized long wave (RLW) equation. Taking …

Optimal Design of Asynchronous Motors used for Driving Coal Mills

MA Enache, A Campeanu, S Enache… - … and Energy Systems …, 2019‏ - ieeexplore.ieee.org
The research carried out aims at reducing the manufacturing and exploitation costs for
asynchronous motors used for driving coal mills. The active and reactive electrical energy …

[PDF][PDF] Some statistical features of particle dynamics in tokamak plasma

I Petrisor - Rom. J. Phys, 2016‏ - rjp.nipne.ro
In order to study the transport of charged particles (ions, electrons) or dust particles in
tokamak plasma, we have used the numerical simulations method based on the TURBO …

Multiple explicit solutions of the 2D variable coefficients Chafee–Infante model via a generalized expansion method

R Cimpoiasu - Modern Physics Letters B, 2021‏ - World Scientific
In this work, we do apply a generalized expansion method to the realistic two-dimensional
(2D) Chafee–Infante model with time-variable coefficients which is encountered in physical …

Improvement of acting force of DC plunger-type electromagnet by six parameters optimization

AI Dolan - 2019 International Conference on …, 2019‏ - ieeexplore.ieee.org
This paper is part of a series of researches on improving the acting force of a DC plunger-
type electromagnet. In the optimization process, six geometric parameters concerning the …

Diffusion of ions in an electrostatic stochastic field and a space-dependent unperturbed magnetic field

M Negrea - Plasma Science and Technology, 2019‏ - iopscience.iop.org
We calculate the diffusion coefficients for ions moving in a prescribed electromagnetic field.
The field is considered to be a superposition of an electrostatic stochastic field and a space …

[PDF][PDF] Generalization of a fractional model for the transport equation including external perturbations

D Constantinescu, I Petrisor - Rom. J. Phys, 2016‏ - rjp.nipne.ro
A generalized fractional transport equation for particles is proposed and studied. This model
includes local effects (through Fokker-Planck equation) and non-local spatial effects (Levy …

Rheological Based Hibrid Hyper-Redundant Robot-Design

IC Vladu, D Cojocaru, F Manta… - 2019 23rd International …, 2019‏ - ieeexplore.ieee.org
Hyper-redundant robots are designed to work in space with restrictions. From the point of
view of the mobility of the discrete hyper-redundant robots, two constructive types are …

[PDF][PDF] On the stochastic anisotropic sheared magnetic field lines diffusion

M Negrea, VN Cancea - Annals of the University of Craiova,(Physics …, 2004‏ - rjp.nipne.ro
In the present paper the decorrelation trajectory method has been used in order to calculate
some averaged quantities of interest for stochastic anisotropic magnetic field lines in a …

Generalized conditional symmetries, related solutions and conservation laws of the Grad-Shafranov equation with arbitrary flow

R Cimpoiasu - Journal of nonlinear mathematical physics, 2017‏ - Springer
The generalized conditional symmetry (GCS) method is applied to the case of a generalized
Grad-Shafranov equation (GGSE) with incompressible flow of arbitrary direction. We …