Results 31 to 40 of about 4,761,213 (285)

Analog Modeling of Fractional-Order Elements: A Classical Circuit Theory Approach

open access: yesIEEE Access, 2021
In this paper a comprehensive procedure for the analog modeling of Fractional-Order Elements (FOEs) is presented. Unlike most already proposed techniques, a standard approach from classical circuit theory is applied.
Neven Mijat   +2 more
doaj   +1 more source

Hierarchic finite element bases on unstructured tetrahedral meshes [PDF]

open access: yes, 2002
The problem of constructing hierarchic bases for finite element discretization of the spaces H1, H(curl), H(div) and L2 on tetrahedral elements is addressed.
Ainsworth   +35 more
core   +2 more sources

Upper bound adaptive finite element method with higher-order element based on Drucker-Prager yield criterion

open access: yesYantu gongcheng xuebao, 2020
An upper bound adaptive finite element method with six-node triangular high-order element, which is based on Drucker-Prager yield criterion, is established. Based on the upper bound theory, the corresponding calculation program is compiled.
SUN Rui , YANG Jun-sheng , ZHAO Yi-ding , YANG Feng
doaj   +1 more source

A Family of unitary higher order equations [PDF]

open access: yes, 1996
A scalar field obeying a Lorentz invariant higher order wave equation, is minimally coupled to the electromagnetic field. The propagator and vertex factors for the Feynman diagrams, are determined.
C. G. Bollini, L. E. Oxman, M. C. Rocca
core   +2 more sources

Local discontinuous Galerkin methods for fractional ordinary differential equations [PDF]

open access: yes, 2014
This paper discusses the upwinded local discontinuous Galerkin methods for the one-term/multi-term fractional ordinary differential equations (FODEs).
Deng, Weihua, Hesthaven, Jan S.
core   +2 more sources

Elements of high order in finite fields specified by binomials

open access: yesKarpatsʹkì Matematičnì Publìkacìï, 2022
Let $F_q$ be a field with $q$ elements, where $q$ is a power of a prime number $p\geq 5$. For any integer $m\geq 2$ and $a\in F_q^*$ such that the polynomial $x^m-a$ is irreducible in $F_q[x]$, we combine two different methods to explicitly construct ...
V. Bovdi, A. Diene, R. Popovych
doaj   +1 more source

A Characterization of the Small Suzuki Groups by the Number of the Same Element Order [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 2015
Suppose that  is a finite group. Then the set of all prime divisors of  is denoted by  and the set of element orders of  is denoted by . Suppose that . Then the number of elements of order  in  is denoted by  and the sizes of the set of elements with the
H. Parvizi Mosaed   +2 more
doaj  

Recognition of the Simple Groups 2D8((2n)2)

open access: yesAnnals of the West University of Timisoara: Mathematics and Computer Science, 2019
One of the important problems in finite groups theory is group characterization by specific property. Properties, such as element orders, set of elements with the same order, the largest element order, etc.
Ebrahimzadeh Behnam
doaj   +1 more source

Order assignment mechanism based on hierarchical decomposition and element matching [PDF]

open access: yesZhihui kongzhi yu fangzhen
This paper proposes an element-matching based order-based accusation partition tasking method. The aim is to improve the flexibility and precision of operational command and control and the integration and synergy effectiveness of the combat system.
ZHANG Xinyue, LYU Weimin, WEI Dingjiang, YANG Dongsheng
doaj   +1 more source

High-order finite element methods for cardiac monodomain simulations

open access: yesFrontiers in Physiology, 2015
Computational modeling of tissue-scale cardiac electrophysiology requires numerically converged solutions to avoid spurious artifacts. The steep gradients inherent to cardiac action potential propagation necessitate fine spatial scales and therefore a ...
Kevin P Vincent   +10 more
doaj   +1 more source

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