نتایج جستجو برای: efficient initial solution

تعداد نتایج: 1190112  

1999
H. Brunner

The spatial discretization of initial-boundary-value problems for (nonlinear) parabolic or hyperbolic PDEs with memory terms leads to (large) systems of Volterra integro-differential equations (VIDEs). In this paper we study the efficient numerical solution of such systems by methods based on linear multistep formulas, using special factorization (or splitting) techniques in the iterative solut...

Journal: :Journal of Computational Physics 2015

Journal: :Advanced Computing: An International Journal 2012

Journal: :global journal of environmental science and management 0
n.t. abdel-ghani chemistry department, faculty of science, cairo university, cairo, egypt g.a. el-chaghaby regional center for food and feed, agricultural research center, giza, egypt f.s. helal science and technology centerof excellence, ministry of military production, cairo, egypt

in the present study, different activated carbons were prepared from carbonized african beech wood sawdust by potassium hydroxide activation. the activated carbons were characterized by brunauer–emmett–teller, scanning electron microscope, fourier transform infrared spectroscopy, and thermogravimetric analyzer. the phenol adsorption capacity of the prepared carbons was evaluated. the different ...

H. Khandani‎ P. Darabi, S. Moloudzadeh‎

In this paper, a new approach for solving the second order fuzzy differential equations (FDE) with fuzzy initial value, under strongly generalized H-differentiability is presented. Solving first order fuzzy differential equations by extending 1-cut solution of the original problem and solving fuzzy integro-differential equations has been investigated by some authors (see for example cite{darabi...

2015

From the review, it is studied that the min cut k – partitioning problem is a fundamental partitioning problem and is NP hard also. Most of the existing partitioning algorithms are heuristic in nature and they try to find a reasonably good solution. These algorithms falls in move – based category in which solution is generated iteratively from an initial solution applying move to the recent sol...

ژورنال: طلوع بهداشت یزد 2014
رحمانی, علیرضا, زیوری, مجتبی, سمرقندی, محمد رضا , صید محمدی, عبدالمطلب, عسگری, قربان,

Abstract Introduction: Chromium is an extremely important heavy metal which is used in different industries. It can be found in water resources due to insufficient treatment of industrial wastewater. The goal of this study was to survey the feasibility of application of hexavalent chromium reduction using granular magnesium as reducing agent and to investigate the affects of various operationa...

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