Results 21 to 30 of about 2,352,460 (337)

Semi-Analytical Source Method for Reaction–Diffusion Problems [PDF]

open access: yesJournal of Heat Transfer, 2018
Estimation of thermal properties, diffusion properties, or chemical–reaction rates from transient data requires that a model is available that is physically meaningful and suitably precise. The model must also produce numerical values rapidly enough to accommodate iterative regression, inverse methods, or other estimation procedures during which the ...
Cole, K. D.   +2 more
openaire   +2 more sources

Binary Gravitational Perturbations and Their Influence on the Habitability of Circumstellar Planets

open access: yesFrontiers in Astronomy and Space Sciences, 2021
In order to assess the habitability of planets in binary star systems, not only astrophysical considerations regarding stellar and atmospheric conditions are needed, but orbital dynamics and the architecture of the system also play an important role. Due
Elke Pilat-Lohinger, Ákos Bazsó
doaj   +1 more source

Vibration analysis of a cylindrical rotor containing liquid with stationary circumferential flow

open access: yesMechanical Engineering Journal, 2023
In a previous paper, a closed-loop mechanism represented by successive excitation processes was introduced to explain the reason for the nonlinearity-induced transition from unstable response to stable vibration.
Masahiko UTSUMI
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

A Simple and Efficient Regularization Method for 3D BEM: Application to Frequency-Domain Elastodynamics [PDF]

open access: yes, 2005
An efficient and easy-to-implement method is proposed to regularize integral equations in the 3D boundary element method (BEM). The method takes advantage of an assumed three-noded triangle discretization of the boundary surfaces.
Dangla, Patrick   +3 more
core   +6 more sources

Modeling Full-Field Transient Flexural Waves on Damaged Plates with Arbitrary Excitations Using Temporal Vibration Characteristics

open access: yesSensors, 2022
We propose an efficient semi-analytical method capable of modeling the propagation of flexural waves on cracked plate structures with any forms of excitations, based on the same group of vibration characteristics and validated by a non-contact scanning ...
Dan-Feng Wang   +3 more
doaj   +1 more source

Semi-analytical method for the dynamic analysis

open access: yesComputer Assisted Methods in Engineering and Science, 2023
The paper presents a semi-analytical method for the study of a linear differential system with variable coefficients. The solution is given in terms of real positive integer powers; it is obtained in terms of independent functions which are computed ...
Aurel M. Alecu   +2 more
doaj  

Solution of fractional modified Kawahara equation: a semi-analytic approach

open access: yesMathematics in Applied Sciences and Engineering, 2023
The present study examines a semi-analytical method known as the Fractional Residual Power Series Method for obtaining solutions to the non-linear, time-fractional Kawahara and modified Kawahara equations.
Sagar Khirsariya   +2 more
doaj   +1 more source

Fast computation of effective diffusivities using a semi-analytical solution of the homogenization boundary value problem for block locally-isotropic heterogeneous media

open access: yes, 2020
Direct numerical simulation of diffusion through heterogeneous media can be difficult due to the computational cost of resolving fine-scale heterogeneities.
Carr, Elliot J.   +2 more
core   +1 more source

Modification of Semi-Analytical Method Applied System of ODE

open access: yes, 2020
In this study, we modify the well-known semi-analytical method called the Homotopy Analysis Method (HAM), such that the right-hand side of a given ODE system is decomposed to a sum of analytical functions.
Ophir Nave
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy