Results 1 to 10 of about 6,813,172 (240)

Mechanistic multilayer model for non-invasive bioimpedance of intact skin

open access: yesJournal of Electrical Bioimpedance, 2018
An approximate semi-analytical solution based on a Hankel transform of a mechanistic model for electrical impedance spectroscopy (EIS) is derived for a non-invasive axisymmetric concentric probe with m electrodes measuring the response of n layers of ...
Tsai B., Birgersson E., Birgersson U.
doaj   +1 more source

A space-time domain RBF method for 2D wave equations

open access: yesFrontiers in Physics, 2023
In the present study, we demonstrate the feasibility to reveal the numerical solution of the multi-dimensional wave equations. A simple semi-analytical meshless method was proposed to obtain the numerical solution of the wave equation with a newly ...
Fu-Zhang Wang   +4 more
doaj   +1 more source

Semi-analytical method for solving stresses in slope under general loading conditions

open access: yesApplied Rheology, 2023
Assessing the stress distribution within the slope in geotechnical engineering is critical. Despite the widely available numerical methods, no analytical solutions are available for determining the stress distribution within a slope under general loading
Wu Ping, Sun Xuejun, Zhu Dayong Zhu
doaj   +1 more source

Through-thickness damage distribution in sheet bending employing the workability diagram

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение
A semi-analytical solution is constructed to determine the through-thickness distribution of the average stress triaxiality parameter included in the ductile fracture criterion in sheet bending under the action of a bending moment and tensile force.
E. A. Lyamina
doaj   +1 more source

Analytical frequency-domain solution for Euler-Bernoulli frames with semi-rigid connections

open access: yesForces in Mechanics
This paper presents a novel method for analyzing the dynamic response of plane Euler-Bernoulli frames with semi-rigid connections subjected to arbitrary external loads and bending moments.
Jorge Eliecer Ballesteros Ortega   +2 more
doaj   +1 more source

THE SOLUTION OF TELEGRAPHIC EQUATIONS LIVE AND RETURN TIME [PDF]

open access: yesJournal of Sustainable Energy, 2019
The article is devoted to the analytical solution of the telegraph equations for a semi-infinite line with losses with an arbitrary form of input voltage.
ERCHAN F., RIMSCHI V., NANTOI O.
doaj  

Semi-analytical solutions of the Schnakenberg model of a reaction-diffusion cell with feedback

open access: yesResults in Physics, 2018
This paper considers the application of a semi-analytical method to the Schnakenberg model of a reaction-diffusion cell. The semi-analytical method is based on the Galerkin method which approximates the original governing partial differential equations ...
K.S. Al Noufaey
doaj   +1 more source

On a nonlinear fractional order model of dengue fever disease under Caputo-Fabrizio derivative

open access: yesAlexandria Engineering Journal, 2020
In this manuscript, we investigate epidemic model of dengue fever disease under Caputo and Fabrizio fractional derivative abbreviated as (CFFD). The respective investigation is devoted to qualitative theory of existence of solution for the model under ...
Kamal Shah   +2 more
doaj   +1 more source

Accelerated HPSTM: An efficient semi-analytical technique for the solution of nonlinear PDE’s

open access: yesNonlinear Engineering, 2020
In this paper a novel technique i.e. accelerated homotopy perturbation Sumudu transformation method (AHPSTM), which is a hybrid of accelerated homotopy perturbation method and Sumudu transformation to obtain an approximate analytic solution of nonlinear ...
Grover Deepak   +2 more
doaj   +1 more source

A Study of Singular Similarity Solutions to Laplace’s Equation with Dirichlet Boundary Conditions

open access: yesAppliedMath
The infinite series solution to the boundary-value problems of Laplace’s equation with discontinuous Dirichlet boundary conditions was found by using the basic method of separation of variables.
Chao-Kang Feng, Jyh-Haw Tang
doaj   +1 more source

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