gate computer science and information technology 2014 pdf

... NS­2 Tutorial Kameswari Chebrolu Dept. of Computer Science and Engineering,  IIT Bombay Motivation for Simulations ● Cheap ­­  does not require costly equipment ... NS Structure NS is an object oriented discrete­event simulator – – ● Simulator maintains list of events and executes one event after  another Single thread of control: no locking or race conditions Back end is C++ event scheduler ... Fast to run, more control Front end is oTCL – Creating scenarios, extensions to C++ protocols – fast to write and change TCL tutorial set x 1 set y $x ● Variables: ● Arrays: set a(0) 1 ● Printing: puts “$a(0) \n”

Ngày tải lên: 16/03/2014, 17:20

... Question 5 Imagine we have an empty stack of integers S, and two empty queues of integer Q1 and Q2 What would be the value of queues Q1, Q2, and stack S, after the following segment? 1: Enqueue (Q1, ... front and rear keep positions of the first and the last elements of the queue respectively Their values are -1 when the queue is empty Example 4 Followings are algorithms of insert, remove and ... number of elements in the list, and retrieve(valpos<int>, ref dataOut<data>), which retrieves the data field of the element at the position pos in the list and assigns that data to the

Ngày tải lên: 28/03/2014, 15:20

... role of alliances and partnerships (Ashkenas, Ulrich, Jick, & Kerr, 1998; Gulati, 1999; Khanna, Gulati, & Nohria, 1998), and the role of information technology and information systems ... be done to operationalize and test the information processing hypothesis in the context of diversified firms, and to understand whether and how IT reduces communication and coordination costs across ... Hoskission and Hitt (1990) and Ramanujam and Varadarajan (1989) called for Trang 31use of rigorous theoretical and methodological approaches to resolve the inconsistent findings While theoretical and

Ngày tải lên: 18/02/2014, 11:20

... dans le cadre du mandat ministờrieD Hse de Ậravapren coursÍ, istờrille de 2001, Cette ờuude a ờtờ rờdigờe par Aestandea Coleechia, Dominique Gustes, Dit Pit, Paul Schreyer et [Andrew Wyekofl et ... un certain nombre de petites Gon mies de TOCDE, comme Australie, Coe, te Daneman, la Finland, Melande, slande eta Sade, 08 intensitờ de R-Da sensiblement augmentờ (igure 7) Dans de nombreux pays ... ants surTaccurlation d'actif physiques dans de grandes ‘hleeprives stables appanenant ỏ deandusules bien Glablies, qui ant 616 la hase dune grande partie de ln emissance ờconomique dans la peninde

Ngày tải lên: 18/03/2014, 11:22

... Kraemer, and Gurbaxani (2000); IT efficiency achieves as a result of using IT automation and standardization to improve performance and productivity and to reduce operation costs Information technology ... strategic partner and enabler because of its essential role in the school district Information technology effectiveness and efficiency that enables and supports business strategy and process is ... 2005) and IT budgets continue to be tighten, yet the school districts are required to provide effective and efficient services and meet the strategic business needs; and business services demand technology

Ngày tải lên: 01/06/2014, 13:57

... understand the process of bump formation, and to qualitatively and quantitatively describe the created bumps as well as its relation with the laser pulse parameters, such as the beam distributions and ... detailed process of writing and erasing will be described, and Trang 6the experimental and theoretical characterizations of the bumps are demonstrated In the second part, we expand our work to intentionally ... time to rearrange itself and remains in the equilibrium state, and thus inherits the structure and volume at the melting state Therefore, the volume has an increase V , and Trang 7Laser Pulse

Ngày tải lên: 18/06/2014, 22:20

... that uL Pe = D in mass dispersion andPe uL α = in thermal dispersion where u and L are characteristic velocity and length, respectively Dand α are molecular mass and thermal diffusivities, respectively ... velocity of flow, t is the time of flow, σx and σy are standard deviations of the distribution in the x and y directions, respectively and, finally m and n are the coordinates of the point (x,y) ... Gibbs, Collected Works, ed W R Longley and R G Van Name, Transactions of the Connecticut Academy of Arts and Sciences, 2, (1931), pp 382–404 [6] Moran, M J and Shapiro, H N., Fundamentals of Engineering

Ngày tải lên: 20/06/2014, 01:20

... MODELLING, NUMERICAL METHODS AND INFORMATION TECHNOLOGYEdited by Aziz Belmiloudi Trang 2Heat Transfer - Mathematical Modelling, Numerical Methods and Information Technology Edited by Aziz Belmiloudi ... Methods and Information Technology, Edited by Aziz Belmiloudi p cm ISBN 978-953-307-550-1 Trang 3free online editions of InTech Books and Journals can be found at www.intechopen.com Trang 5and Wet ... diff erent branches of science, technology and industry, ranging from biological, medical and chemical systems, to common practice of thermal engineer-ing (e.g residential and commercial buildings,

Ngày tải lên: 20/06/2014, 01:20

... essential informationswhich are necessary to the comprehension of the various processes which can intervene inthese models This resolution need some regularity and additional conditions, and partialinformations ... parameters and others) and U∈ Z represents the state or the output of the system (temperature, concentration, velocity,magnetic field, pressure, etc.), whereX andZ are two spaces of input data and outputsolutions, ... in L∞(Q)and in L∞(Σ), respectively The function u0is the initial value and is assumed to be variable andλ=σ B e is assumed to be in L∞(Γ)whereσ B (Wm−2K−4) is Stefan-Boltzmann’s constant and eis

Ngày tải lên: 20/06/2014, 01:20

... predicting and acting on the temperature distribution, we have discussed stabilizationidentification and regulation processes with and without randomness in data, parameters and,boundary and initial ... models and optimal controls J Dynam Control Systems, 108, (2007), 217-254. Belmiloudi, A (2008) Stabilization, optimal and robust control Theory and applications in biological and physical sciences, ... k+1 and 2 For the discrete problem, the direct, sensitivity and adjoint problems can be discretized by a combination of Galerkin and the finite element methods for the space discretization and

Ngày tải lên: 20/06/2014, 01:20

... of E and F and where δ kl(=0 if k= l and δ kl=1 if k=l)is the Kronecker delta Assuming that the underlying matter is isotropic, κ(eff)E ,κ(eff)F , andχ can be expressed as functions of E and ... partial (and spatially local) rates ˙Srad and ˙Sm of the radiation and the medium, respectively (cf Struchtrup (1998)) ˙Srad is obtained from the time-derivative of Eq (26), use of Eq (1), and writing ... v; it is obvious that it must increase for increasing v and for increasing E The Rosseland and Planck averages ofκ ν+σ νare given by 1.42κ1and 1.40κ1, while the emission limit forκ(eff)F given

Ngày tải lên: 20/06/2014, 01:20

... Numerical Methods and Information Technology 152 The current study is summarized as follow: two dimensional fluid flow and heat transfer in an inclined square cavity is investigated numerically. ... the left and right walls are T(x = 0, y) = T H and T(x = L, y) = T C . The top and bottom walls being perfectly conducted, ( ) ( ) HHC TT xLT T=− − , where T H and T C are hot and cold ... Methods and Information Technology 156 these two corner vortices compressed the central cell to form an elongated vortex. The isotherms show a good mixing occurring in the center and relatively

Ngày tải lên: 20/06/2014, 01:20

... gas): here indices ∞ and s stand for parameters ahead and behind the shock, D – shock velocity, Vτ and Vn – projection of flow velocity on the directions of the tangent τ and the external normal ... mixture and chemical species i; u, v and w – Cartesian velocity components along the axes x, y and z respectively; the total energy of the gas mixture per unit volume e is the sum of internal ε and ... spherical nose and cylindrical edges of the same radius is considered Mach and Reynolds numbers calculated with free stream flow parameters and the wing nose radius are M∞ = 14 and Re∞ = 1.4·104,

Ngày tải lên: 20/06/2014, 01:20

... particle and the wall is unambiguously defined in terms of K Four friction coefficients need to be defined: particle-particle and particle-wall static and dynamic coefficients Interestingly, (and ... compute heat flux using thermal properties (iv) sum all forces and heat fluxes on particles and update particle position and temperatures, and (v) determine the trajectory of the particle by integrating ... alumina and silica; (b) Evolution of average bed temperature for simulation and experiments with alumina The fill level of the calciner is 50% and is rotated at 20rpm in the experiments and simulations

Ngày tải lên: 20/06/2014, 01:20

... monatomic and (b) diatomic one-dimensional chains Here, m and M are the masses of type-A and type-B atoms, a1and a2are the respective lattice constants of the monatomic and diatomic chains, and K ... electron energy and atomic potential V, and from Eq 13  2m ¯h2 c +cos Trang 2Note that the right hand side of Eq 18 restricts the solutions of the left hand side to only existbetween -1 and 1 However, ... itself at the Brillouin zone edge and center as adiscontinuity in the dispersion relation This discontinuity is called a band gap In practice, forelectrons in a single band, the dispersion is often

Ngày tải lên: 20/06/2014, 01:20

... Methods and Information Technology (A15) ∑ (A16) (A17) and , which The center coefficient ap and the source term... superficial velocity, the turbulent motion of solid clusters and gas ... Numerical Methods and Information Technology 354 Fig. 10. Comparison of experimental and simulated bed pressure drop at different time Fig. 11. Comparison of experimental and simulated bed ... Modelling, Numerical Methods and Information Technology 356 Fig. 13. Comparison of experimental and simulated bed expansion ratio. Fig. 14. Experimental and simulated time-averaged local

Ngày tải lên: 20/06/2014, 01:20

... mainly transferred through convection between gas and particles and between gas and the tube, and conduction among particles and between particles and the tube at low temperature As an example, ... obtained average convective and conductive heat transfer coefficients by three treatments: (1) E=E0=50 GPa, and c=1.0; (2) E=10 MPa, and c=1.0; and (3) E=10 MPa, and c=0.182 Treatment 1 corresponds ... the tube and by the contact number (CN) between the tube and the particles The porosity and CN vary temporally depending on the complicated interactions between the particles and the tube and between

Ngày tải lên: 20/06/2014, 01:20

... Delvosalle, C & Vanderschuren, J., (1985) Gas-to-particle and particle-to-particle heat transfer in fluidized beds of large particles Chem Eng Sci., 40, 769-779 Gardiner, C.W.,(1983) Handbook of Stochastic ... circuit component density and functional complexity across the whole spectrum of electronic devices from small handheld units to powerful microprocessors, as evidenced by Figs 1 and 2 Fig 1 Evolution ... as thermoelectric devices and heat pipes; (b) Technologies for enhancing heat exchange between the electronic package and the ambient, such as heat sinks, microchannels and fluid jet cooling The

Ngày tải lên: 20/06/2014, 01:20