نتایج جستجو برای: a geometrical method

تعداد نتایج: 13664577  

Journal: :Applied Soft Computing 2021

In real-life group decision-making (GDM) problems, the preferences given by decision-makers(DMs) are often incomplete, because complexity of problems and limitation knowledge DM make it difficult for DMs to take a determined evaluation alternatives. addition, preference relations provided heterogeneous they always have different decision habits hobbies. However, consensus method GDM under incom...

Due to existence of uncertainties in input geometrical properties of fractures, there is not any unique solution for assessing the stability of slopes in jointed rock masses. Therefore, the necessity of applying probabilistic analysis in these cases is inevitable. In this study a probabilistic analysis procedure together with relevant algorithms are developed using Discrete Fracture Network-Dis...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید بهشتی - دانشکده علوم 1372

a simple, sensitive and selective method for solvent extraction and spectrophotemetric determination of lanthanum (ii) europium (iii), and cerium (iii) is described , the rare earth metals are extracted into chloroform solution of n-phenylbenzohydroxamic acid (pbha) at ph 9-10 various parameters are studied to optimize the extraction conditions. the molar absorptivity is found to increase from ...

Introduction Patient set-up optimization is required in radiotherapy to fill the accuracy gap between personalized treatment planning and uncertainties in the irradiation set-up. In this study, we aimed to develop a new method based on neural network to estimate patient geometrical setup using 4-dimensional (4D) XCAT anthropomorphic phantom. Materials and Methods To access 4D modeling of motion...

1975
V. Gallo

T h e o r g a n i z a t i o n o f a p r o g r a m f o r l i n g u i s t i c a n a l y s i s o f g e o m e t r i c a l p a t t e r n s i s d e s c r i b e d . T h e p r o g r a m b e l o n g s t o t h e s y s t e m o f p a t t e r n r e c o g n i t i o n f o r i n d u s t r i a l d r a w i n g s a n d o b j e c t s [ 1 , 2 , 7 ] W e s t a r t e d f r o m t h e f o r m a l i s m s u g g e s t e d...

2007
Laurent Brunel

SIMULGEO is a geometrical software developed for the position monitoring system of the CMS detector at the LHC accelerator. This software is capable to model opto-geometrical systems including error propagation and geometrical reconstruction. Thanks to a special description method, any opto-geometrical system can easily be described and analysed. This report explains how to use SIMULGEO, descri...

Journal: :International Journal of Nonlinear Sciences and Numerical Simulation 2021

Abstract A nonlinear static aeroelastic methodology based on the coupled CFD/CSD approach has been developed to study geometrical behaviors of high-aspect-ratio or multi-material flexible aerial vehicles under aerodynamic loads. The Reynolds-averaged Navier–Stokes solver combined with three-dimensional finite-element is used perform fluid-structure coupling simulation. interpolation technique f...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1388

abstract sensitive and precise voltammetric methods for the determination of trace amounts of furaldehydes, mainly as furfural (f) and 5-hydroxymethyl-2-furaldehyde (hmf), in waste waters and other matrices is described. determination of total furaldehyde at < ?g g-1 levels in alkaline buffered aqueous media was individually investigated. by the use of ordinary swv and adsorptive square wave ...

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