نتایج جستجو برای: Numerical simulati

تعداد نتایج: 332923  

Journal: :journal of hydraulic structures 2013
r. ghaldarbandi m.h. keshavarz keshavarz h. hakimzadeh

in this paper, effects of the cross shore and groyne wall slopes on flow parameters around an impermeable groyne were considered using a three-dimensional numerical cfd model (i.e., fluent). the k-ε turbulence model was used to evaluate the reynolds stresses. the model was first applied to a vertical groyne on a flat bed and the model results were compared with the relevant experimental data. t...

2005
Bo Wen Kwabena Boahen

W includes the out onto upstream segments throu processes (PhPs towards the ba towards the ape and feed-backw actively coupled OHC forces, inc present simulati and sharp tunin

2005
Francisco Torres Emilio Sanchis

We present an approach for the learning of stochastic dialog models using a technique of automatic generation of dialogs. We have applied it to achieve a better performance in our dialog system, which answers telephone queries about train timetables in Spanish. Besides interacting with real users, the stochastic dialog manager can now interact with other module, in the role of the user, develop...

1999
G. de Veciana

We study a simple ow control method for ATM networks cal l ed peri odi c averaging of rate (PARing). Thi s method attempts to reduce the burstiness of tra c by bu ering. We present asymptoti c resul ts, obtained via the theory of l arge deviati ons, on the memory requi rements, the multiplexing gainof PARed sources, and the tradeo s between bu ering inside and outside of the network. We di scus...

2006
Chiara Bocci Alessandra Petrucci Monica Pratesi Nicola Salvati

Riassunto: Gli attuali disegni di campionamento utilizzati in ambito agricolo sono stati progettati per avere stime a livello regionale. Per ottenere stime per domini subregionali si rende quindi necessario applicare metodologie specifiche, basate su modelli che utilizzano informazioni ausiliarie relative anche alle aree “vicine”. Tali stimatori indiretti considerano, oltre alla classica variab...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده ریاضی و کامپیوتر 1390

برد عددی ماتریس مربعی a را با w(a) نشان داده و به این صورت تعریف می کنیم w(a)={x8ax:x ?s1} ، که در آن s1 گوی واحد است. در سال 2009، راسل کاردن مساله برد عددی معکوس را به این صورت مطرح کرده است : برای نقطه z?w(a)، بردار x?s1 را به گونه ای می یابیم که z=x*ax، در این پایان نامه ، الگوریتمی برای حل مساله برد عددی معکوس ارانه می دهیم.

2012
Vishwanathan Mohan Ajaz Ahmad Bhat

The ability to infer goals , consequences of one’s own and others’ actions is a critical desirable feature for robots to truly become our companions-thereby opening up applications in several domains. This article proposes the viewpoint that the ability to remember our own past experiences based on present context enables us to infer future consequences of both our actions/goals and observed ac...

H. Hakimzadeh M.H. Keshavarz Keshavarz R. Ghaldarbandi

In this paper, effects of the cross shore and groyne wall slopes on flow parameters around an impermeable groyne were considered using a three-dimensional numerical CFD model (i.e., FLUENT). The k-ε turbulence model was used to evaluate the Reynolds stresses. The model was first applied to a vertical groyne on a flat bed and the model results were compared with the relevant experimental data. T...

Journal: :journal of algebraic systems 2015
m. a. mehrjoofard h. r. afshin s. bagheri

the rank-k numerical range has a close connection to the construction of quantum error correction code for a noisy quantum channel. for noisy quantum channel, a quantum error correcting code of dimension k exists if and only if the associated joint rank-k numerical range is non-empty. in this paper the notion of joint rank-k numerical range is generalized and some statements of [2011, generaliz...

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