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Water supply systems modeling: Optimization of model parameters using PEST method / Modeliranje vodovodnih sistema - optimizacija parametara modela primenom PEST metode
(Jugoslovensko društvo za odvodnjavanje i navodnjavanje, Beograd, 2004)
One of the reasons for discrepancy between results of the Water Supply Systems hydraulic simulation and measurement data is the uncertainty of values of mathematical model parameters. Because of that, the best possible ...
Numerical stability problems in hydrodynamic modelling of confluences with small junction angles
(Universidad de Concepción, 2009)
The paper addresses problems which arise from the use of 3D grids with quadrilateral faces on
the horizontal planes in hydrodynamic modelling of discordant beds asymmetrical confluences
with small junction angles. There ...
Subtle inconsistencies in the straightforward definition of the logarithmic function of annihilation and creation operators and a way to avoid them
(Journal of Physics A-Mathematical and Theoretical, 2009)
Using the resolution of identity spanned by coherent states of the harmonic oscillator, any entire function of the creation and the annihilation operators and its action on a vector in Hilbert space can be defined directly ...
Providing answers to questions from automatically collected web pages for intelligent decision making in the construction sector
(Journal of Computing in Civil Engineering, 2008)
The construction sector is notorious for the dichotomy between (a) its intensive use of information in its decision-making processes and (b) its limited access to, and insufficient use of, the pertinent information that ...
Thermal Analysis of RC 120m-height chimney of JKP „Beogradske elektrane“ / Termička analiza ab dimnjaka visine 120 m JKP „Beogradske elektrane”
(Faculty of Civil Engineering of the University of Belgrade─Chair for Technical Mechanics and Theory of structuresGrađevinski fakultet Univerziteta u Beogradu─Katedra za Tehničku mehaniku i teoriju konstrukcija, 2008)
This paper presents basic characteristics of ″Beogradske elektrane″ 120 m-height-chimney in Belgrade. The thermographic snapshot is made by infra-red rays camera indicating existence of unequal warmer and cooler zones as ...
Examples of performance improvement of concrete and mortar by means of fiber reinforcement / Primeri poboljšanja performansi betona i maltera putem mikroarmiranja
(Univerzitet u Novom Sadu - Građevinski fakultet, Subotica, 2005)
The basic properties of fiber reinforced composites (concrete and mortar) are presented in this paper. Based on their own experimental testing results, the authors analyze the examples of performance improvement of fiber ...
Properties of cement based composite made with expanded polystyrene grains and polypropylene fibers / Svojstva kompozita na bazi cementa spravljenih sa polipropilenskim vlaknima i granulama ekspandiranog polistirena
(Savez hemijskih inženjera, Beograd, 2000)
This paper deals with the results of experimental research of mortar mixes -composite materials made with Portland cement, expanded polystyrene grains (EPS) and polypropylene fibers. In some series of mortar specimens, ...
Drainage of bridge decks in urban environment / Odvodnjavanje mostova u urbanim sredinama
(Savez građevinskih inženjera Srbije, Beograd, 2009)
Storm water drainage from buildings, motorways, airports or bridges is a complex task for design engineers. Bridge design deals not only with structural aspects, but with driving safety during heavy rainfall as well. To ...
Real Estate Cadastre Development in Serbia
(Geodetski list, 2009)
This paper provides an overview development and the real estate cadastre maintenance in the Republic of Serbia. The State has recognized that an effective national property rights system is prerequisite for economic growth ...
Mode Analysis of the Optical and the Microwave Waveguides Using Electromagnetic Energy Flow Lines
(Acta Physica Polonica A, 2009)
To better elucidate the essential energy transmission Mechanism in the most common, typical waveguides, the electromagnetic energy flow lines for a planar optical slab waveguide and a microwave rectangular waveguide are ...