نتایج جستجو برای: discontinuous medium

تعداد نتایج: 256811  

Journal: :computational methods in civil engineering 2012
a. ghahramani s.m. binesh n. hataf

in this paper, the linearly conforming enriched radial basis point interpolation method is implemented for the elasto-plastic analysis of discontinuous medium. the linear conformability of the method is satisfied by the application of stabilized nodal integration and the enrichment of radial basis functions is achieved by the addition of linear polynomial terms. to implement the method for the ...

حدادی نژاد, مهدی , قاسمی عمران, ولی الله , رحمتی­ نیا, معصومه, مرادی, حسین,

To study intermittence of duration of exposure to magnetic field or MF (0.9 mT) on direct organogenesis of African violet explant in medium with and without PGRs these experiments performed. First experiment performed as completely randomized design (CRD) with three level of MF exposure (control, 5 day continuous and 5 day discontinuous) in PGR- free medium included via 6 repeat. The second exp...

A. Ghahramani N. Hataf S.M. Binesh,

In this paper, the linearly conforming enriched radial basis point interpolation method is implemented for the elasto-plastic analysis of discontinuous medium. The linear conformability of the method is satisfied by the application of stabilized nodal integration and the enrichment of radial basis functions is achieved by the addition of linear polynomial terms. To implement the method for the ...

Journal: :Geomorphology 2022

Intense gully erosion has sculptured remarkable channels into the Moldavian Plateau of eastern Romania, especially in its most representative subunit, Bârlad covering >8000 km2. The permanent types are: (1) discontinuous gullies, mostly located on hillslopes and (2) large continuous gullies valley bottoms. This study seeks to improve our understanding development over variable time-scales (most...

Journal: :I. J. Bifurcation and Chaos 2015
Fangfang Jiang Junping Shi Jitao Sun

In this paper, we investigate the number of limit cycles for a class of discontinuous planar differential systems with multiple sectors separated by many rays originating from the origin. In each sector, it is a smooth generalized Liénard polynomial differential system x′ = −y + g1(x) + f1(x)y and y′ = x + g2(x) + f2(x)y, where fi(x) and gi(x) for i = 1, 2 are polynomials of variable x with any...

Journal: :Electronic Communications in Probability 2011

Journal: :Journal of Computational Physics 2021

A new interface treating method is proposed to simulate compressible two-medium problems with the Runge-Kutta discontinuous Galerkin (RKDG) method. In present work, both Euler equation and level-set are discretized RKDG which compact of high-order accuracy. The linearized inside an cell recovered by function. solution this taken as a convex combination two auxiliary solutions. One obtained for ...

Journal: :journal of mahani mathematical research center 0
m. karimi amaleh hormozgan university z. afsharnezhad ferdowsi university of mashhad

in the present paper the linear oscillator in r3 with z =constanthas been considered. the aim is to determine the necessary conditions forthe persistence of periodic solutions under discontinuous perturbations. a newapproach based on a computational method has been used. at the end weapply our method on an example.

1996
M. J. de Neef

In this paper we consider the process of one-dimensional redistribution of two immiscible and incompressible uids in a heterogeneous porous medium. We treat in detail the special case in which the initial saturation as well as the properties of the porous medium have a single coinciding discontinuity. Then the time-dependent saturation proole is of self-similar form, i.e. depends only on x= p t...

Journal: Religious Inquiries 2015

One of the most important issues for Muslim philosophers is the continuous imaginal world and its relationship with the discontinuous imaginative faculty. The continuous imaginal world is a perceptive faculty of the soul known as the faculty of imagination. The discontinuous imaginative faculty is the order of the universe called the imaginal world, which Muslim philosophers have portrayed in a...

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