Browsing Acta Polytechnica. 2016, vol. 56, no. 6 by Issue Date
Now showing items 1-9 of 9
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MAGNETRON SPUTTERING WITH HOT SOLID TARGET: THERMAL PROCESSES AND EROSION
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)This work focuses on erosion and thermal processes taking place on the surface of the titanium target in magnetron sputtering. The study was carried out using magnetron sputtering systems (MSS) with different thermal ... -
CONSTITUTIVE MODEL OF STEEL FIBRE REINFORCED CONCRETE SUBJECTED TO HIGH TEMPERATURES
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)Research on structural load-bearing systems exposed to elevated temperatures is an active topic in civil engineering. Carrying out a full-size experiment of a specimen exposed to fire is a challenging task considering not ... -
EVALUATION OF THE SURFACE SETTLEMENT ABOVE THE PRAGUE METRO LINE A EXTENSION CONSTRUCTED BY TWO SHIELDS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)The new section of the Prague metro V.A is located in the west part of Prague, between stations Dejvická and Motol Hospital. The new metro section is 6.2km long and has four new stations. Majority of the two running tunnels ... -
VERIFICATION AND VALIDATION OF NUMERICAL MODEL OF FIRE AND SMOKE DEVELOPMENT IN RAILWAY TUNNEL
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)The paper describes verification and validation of numerical model of fire and smoke development in a railway tunnel carried out in numerical code Fire Dynamic Simulator. To evaluate a correctness of numerical solution of ... -
ITINERARIES INDUCED BY EXCHANGE OF THREE INTERVALS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)We focus on a generalization of the three gap theorem well known in the framework of exchange of two intervals. For the case of three intervals, our main result provides an analogue of this result implying that there are ... -
FINITE ELEMENT MODELLING AND SIMULATION OF VEHICLE IMPACT ON STEEL SAFETY BARRIERS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)This paper deals with a FEA simulation of the vehicle crash with steel safety barriers in ANSYS LS-DYNA® 15.0. Two types of safety barriers are used: JSNH4/H2 and JSAM-2/H2. A geometrical model of the barrier in the Modeler ... -
ON GENERALIZATION OF SPECIAL FUNCTIONS RELATED TO WEYL GROUPS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)Weyl group orbit functions are defined in the context of Weyl groups of simple Lie algebras. They are multivariable complex functions possessing remarkable properties such as (anti)invariance with respect to the corresponding ... -
TESTING THE ACCURACY OF MEASURED VALUES IN CONTINUOUS LONG-TERM GEODETIC MONITORING
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)widespread used method. In this paper, an analysis of the accuracy and its changes over time of the measured values in continuous geodetic monitoring is presented. For the analysis, a set of data measured in the period of ... -
SIMULATION OF SURFACE HEATING FOR ARBITRARY SHAPE’S MOVING BODIES/SOURCES BY USING R-FUNCTIONS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2016)The purpose of this article is to propose an efficient algorithm for determining the place of an action of a heat source with a given motion law for a body of an arbitrary shape using methods of analytical geometry. The ...