Results 31 to 40 of about 13,001,711 (294)

Numerical methods for the time-fractional diffusion equation: A review [PDF]

open access: yesAUT Journal of Mathematics and Computing
This review paper focuses on the numerical solution of the time-fractional diffusion equation using various discretization techniques. For the time-fractional derivative, we consider methods such as L-type approximations and Grünwald-Letnikov-based ...
Amin Ghoreyshi   +2 more
doaj   +1 more source

A LIBS Spectral Self-Absorption Correction Method Using Voigt Profile Fitting for the Application of Magnesium Analysis in Phosphorus Ore

open access: yes, 2020
The concentration of MgO is one of the most important parameters in the phosphate ore flotation. The fast detection of the concentration of MgO has great significance for the optimization of the flotation, the improvement of the efficiency and the ...
Sun Lan-xiang   +4 more
core   +1 more source

Simulation of continuum heat conduction using DEM domains [PDF]

open access: yes, 2012
Currently, almost all material manufacturing processes are simulated using methods based on continuum approaches such as the Finite Element Method (FEM).
CHARLES, Jean-Luc   +3 more
core   +1 more source

Spectral element method simulation of three-dimensional sedimentary basin under reverse-fault earthquakes

open access: yes地震科学进展, 2020
Near-fault ground motion can cause serious earthquake disaster in the near-field area,especially when there is sedimentary topography in the area. At present,there are no reports on the ground motion response of sedimentary basins under the action of ...
Zhenning Ba   +4 more
doaj   +1 more source

Free Vibration of a Cantilever Euler-Bernoulli Beam Carrying a Point Mass by Using SEM

open access: yesTehnički Glasnik, 2022
The objective of this research is to study the free vibration of a cantilever Euler-Bernoulli beam carrying a point mass with moment of inertia at the free end using the spectral element method (SEM).
Saida Hamioud
doaj  

Study on Spectral Interference in the Determination of Vanadium by ICP-OES

open access: yes, 2020
Vanadium is an important scarce resource and strategic metal, and often coexists with a variety of complex metals in the form of secondary mineral phases in nature.
Zhang Yi   +7 more
core   +1 more source

Wave propagation simulation in the upper core of sodium-cooled fast reactors using a spectral-element method for heterogeneous media

open access: yesEPJ Web of Conferences, 2018
ASTRID project, French sodium cooled nuclear reactor of 4th generation, is under development at the moment by Alternative Energies and Atomic Energy Commission (CEA).
Nagaso Masaru   +3 more
doaj   +1 more source

Spectral element method for viscoelastic flows in a planar contraction channel [PDF]

open access: yes, 2003
A new algorithm, which combines the spectral element method with elastic viscous splitting stress (EVSS) method, has been developed for viscoelastic fluid flows in a planar contraction channel.
Sha Meng   +5 more
core   +1 more source

Seismic analysis of a I-sectioned steel frame based on an improved time-domain spectral element method

open access: yesJournal of Low Frequency Noise, Vibration and Active Control, 2023
An improved time-domain spectral element method (ITSEM) is developed for seismic analysis of I-sectioned steel structures in this paper. The developed method considers the effect of section type on spectral stiffness using shear correction coefficient ...
Dansheng Wang, Jingrong Chi
doaj   +1 more source

A mixed discontinuous/continuous finite element pair for shallow-water ocean modelling [PDF]

open access: yes, 2008
18.02.14 KB. Ok to add accepted version to spiral, Elsevier says ok while mandate not enforced.We introduce a mixed discontinuous/continuous finite element pair for ocean modelling, with continuous quadratic layer thickness and discontinuous velocity. We
Cotter, CJ   +5 more
core   +1 more source

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