نتایج جستجو برای: Finit elements method
تعداد نتایج: 1862555 فیلتر نتایج به سال:
nanocomposite materials have recently attracted increasing interests in the field of modelling. finite element modelling can be used for computation of bulk properties of polymer/clay nanocomposites. in this study, by considering the structure of a nano-composite material, a quasi real model is proposed. the model has been used to predict the elastic constants by selection of suitable element...
the methods which are used to analyze microstrip antennas, are divited into three categories: empirical methods, semi-empirical methods and full-wave analysis. empirical and semi-empirical methods are generally based on some fundamental simplifying assumptions about quality of surface current distribution and substrate thickness. thses simplificatioms cause low accuracy in field evaluation. ful...
abstract: literature is said beautiful words of poetry or prose that excites reader’s or listener’s feel. certainly, to be effective, such a text should have certain characteristics. the four elements of the literature: thought, imagination, emotion and style make a text to be literary and effective. emotion and imagination are specific elements of literary texts, while thought and style a...
Diskussionen af forholdet mellem det fysiske, biologiske og psykiske har i tidens løb motiveret en lang række paradigmatiske fornyelser videnskabelig teori filosofisk tænkning. I nyere tid spørgsmålet især været taget op fra naturvidenskabelig side. Artiklen vil søge at indkredse spørgsmålets betydning diskutere de grundlæggende antagelser nogle disse videnskaber - med særlig vægt på udviklinge...
We find bounds for the number of idempotents in a ring matrices over an arbitrary finite commutative ring. Using these results, we bound on finit...
A fram e of a cone C is a minimal se t of generators, and the lineaJity space L of C is the grea tes t linear s ubs pace contain ed in C. Algorithms are described for determining a fram e and the linea lit y space of a cone C(S) spanned by a finit e se t S . These a lgorit hm s can be used for determ ining the ve rti ces, ed ges, and othe r faces of low dime ns ion of the convex hull of a finit...
GRASP is an acronyrn for General-purpose Relativistic Atolnic Structare Program. This pacltage is essentially a user-friendly multiconfiguration Dirac-Fock (MCDF) code based on the Racah Algebra ancl finit,edifference methods. We describe briefly the MCDF formalism in the context^ of the GRASP project at Oxford.
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