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  • Fractals' modeling

    The paper presents a classification of two-dimensional as well as three-dimensional fractals, fractal characteristics, methods for modeling fractals. The algorithm of visualization fractals have used in the "3D simulation of fractals" software for the first time. The points’ generator module unites the points of space into a set of triangular finite elements in the environment of the computing complex SCAD. Complex fractal geometry have transformed into a spatial finite element model of the fractal.

    Keywords: fractal, non-Euclidean geometry, fractal characteristics, two-dimensional fractals, three- dimensional fractals, 3D modeling fractal, energy of fractal, iterations of modeling fractals

  • Dynamic calculation and analysis of the hemispherical shell coating of the project "Winter Garden" Technopark Rostov State University of Civil Engineering (RSUCE)

    The article presents the dynamic calculation of hemispherical shells cover the carcass of the building "Winter Garden" Technopark RSSU. Finite element model of the object and the calculation is made in the software package Lira-cad. Flexural-torsional oscillations was produced on the basis of modal analysis. The construction scheme is changed by increasing the hardness of the coating. The scheme receive a new kind of a framework element. Using the findings of the calculations the conclusions were drawn and given recommendations about changing the constructive scheme of the unique building.

    Keywords: hemispherical shell , frame , dome, modal analysis , dynamic analysis , the spectrum of frequencies , mode shapes , finite element method

  • Simulation of the design activity diversification of innovative enterprise

    The research problem of this article is the unequal settling of a sports and recreation complex – the part of the Rostov State Building University's technopark –in a process of fiberwise soaking of subsoil. It describes the simulation of emergency soaking of foundation soil using ANSYS software. The paper presents an analysis of calculation results at different stages.

    Keywords: unique building, unequal settling, subsidingsoil, emergency soaking, Finite element method.

  • Dynamic calculation of the project " Sport - Health Center " Technopark RSUCE

    The article presents the dynamic calculation of a unique building’s structure with spatial slab-bar scheme in the action of wind loads with the static and dynamic components of the wind load, using the finite element method. Simulation of the wind effect was produced on the basis of modal analysis. There were determined horizontal and vertical relocations of the node points. Using the findings of the calculations the conclusions were drawn and given recommendations about changing the constructive scheme of the unique building.

    Keywords: unique building; wind load; modal analysis; pulsation component; a building’s structure; finite element method

  • Research of the stress-strain state exhibition pavilion Technopark of RSCUE taking into account the different models of founding

    A certainly-element model is worked out soil-fundamental flag-overhead structure. The tensely-deformed state of fundamental flag is investigational taking into account the models of Winkler and Pasternak. On results a calculation charts are got diagrams sinking of fundamental flag.

    Keywords: certainly-element model, Winkler elastic foundation, Pasternak elastic foundation,, coefficient of subgrade resistance, sinking of fundamental flag, stress-strain state

  • The overall stability of a spherical shell coating of an object "Winter garden" Technopark of the RGSU

    The article examines the calculation of spherical shell coating on the overall stability under load. The calculated values of deformations in the vertical and horizontal plane. After the calculation of the conclusions and recommendations are given to conduct the necessary engineering activities to ensure the sustainability of the building.

    Keywords: spherical shell; overall stability; arch farm; calculation of the building frame; finite element method

  • "The calculation of the hostel building of Technopark, Rostov state university of civil engineering (RSUCE) using various models of the base "

    In article influence of various models of the soil base at calculation of the frame building of the hostel of RSUCE on functionality and operational characteristics of designs is considered. The final-element (FE) model of object is made and calculation in a program complex is executed. By results of calculation the analysis of the intense-deformed condition of the building and the basis is made. For research of influence of various models of the soil basis on the intense-deformed condition of the building models of the Pasternak and Vinkler and model taking into account a pliability of support are considered. The analysis found that the use of models taking into account the pliability of supports are more practical. This model allows the most accurate to see the interaction of building structures with elastic soil base and can be used in the real design.

    Keywords: the core stiffness, the diaphragm stiffness, the structural design, the finite-element model, the stress-strain state, the base model, support yield, the coefficient of the bed, the intensity of reinforcing, orthotropy

  • Problems of transition to the closed systems of a heat supply

    Discusses the problems of transition from open to closed systems of connection of consumers to the heat network. On the basis of fundamental analysis of the advantages and disadvantages of the various connection schemes of buildings comparison of energy efficiency and reliability of open and closed systems of a heat supply. Basic conditions guaranteeing the possibility of the device of the closed heating systems in buildings, присоединненных to thermal networks on the open circuit. Shows the need for reconstruction of water supply systems and power supply of the building when it transferred from open to closed scheme accession to the heat network.

    Keywords: heat supply, district heating, closed heat supply scheme, open circuit heat supply, individual heating unit, reliability of heat supply, energy efficiency.

  • On the choice of mixing hydraulic elevator

    Joining of heating systems to heat networks through dependent scheme for a low required pressure always causes with some difficulties in the selection of hydraulic elevator mixing. The article deals with the usage of a certain method of calculation with certain adjustments for a particular purpose of heating of a residential building. The calculated data can be compared with reference values from the specified literature. The method used is to be accepted with minimal required pressure (98÷118 kPa) before the elevator mixing.

    Keywords: Hydraulic elevator, pressure differential, heating system, required pressure, law of energy conservation.