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Model of investment portfolio optimization
(2017)Many researchers and practitioners traders investigate the problem of optimal portfolios formation. This method is an effective tool for filtering incoming data on securities volatility. As for research works ... -
Model of One-Zone Direct-Current Electric Drive with Elastic Coupling
(Видавництво НГУ, 2017) -
Model of public authorities at regional level in Ukraine: genesis, state and prospects of reform
(Liha-Pres, 2019, 2019)Going into the post-Soviet period of its history, Ukraine had to solve the problem of the system of public power, which is significantly different from the system of “power of the Soviets”. The Soviet model envisaged the ... -
MODEL QUALITY FITNESS SERVICES
(2014-12-04) -
Modeled Heavy-Tail Process Prediction Based on the Chebyshev Polynomials of the Second Kind
(2023)Nowadays telecommunication traffic in systems with data packet transfer is considered to be a heavy-tail process. The traffic prediction is an urgent problem for telecommunications, see, for example. There are many different ... -
Modeling the process of hydromechanical amber extraction
(2018)The paper represents a process of hydromechanical amber extraction modeling to obtain input data and substantiate operation parameters of mining equipment to develop the improved hydromechanical ... -
«Modeling for construction»
(Видавництво НГУ, 2017) -
Modeling hydrodynamics of the flushing fluid intermittent flow in the hydraulic system of the diamond bit
(National Mining University, 2017-06-30)Purpose. To study the effect produced by the intermittent flushing on hydrodynamic processes in the hydraulic system of a diamond bit. Methods. Mathematical modeling methods and CFD experiment. Findings. A mathematical ... -
Modeling of bearing massif condition during chamber mining of ore deposits
(National Mining University, 2016-06-30)Purpose. To examine rock mass stress changes in hanging wall and footwall rocks of the deposit during mining of primary and secondary stoping chambers. Methods. Analytical research into stress-strain state around stoping ... -
Modeling of the lifting of a heat transfer agent in a geothermal well of a gas condensate deposit
(National Mining University, 2020-06-30)Purpose is to develop mathematical model of nonisothermal inflow and lifting of the recovered gaseous mixture (i.e. geothermal fluid) of a well taking into consideration dynamic coefficient of heat transfer and thermal ... -
Modeling of the power section of downhole screw motors
(National Mining University, 2017-09-30)Purpose. Downhole screw motors (DSMs) are commonly used for drilling wells of various applications. The problem is to ensure reliable operation of DSM, particularly its power section “rotor – stator”. To evaluate its ... -
Modeling processes in IDEF0 (Integration Definition for Function Modeling). Lab manual for the course of "Modeling and reengineering business processes" for students specialized in fild of stady 124 – System analisis
(Видавництво НТУ "ДП", 2019)Методичні рекомендації мають на меті допомогти студентам у самостійному засвоєнні дисципліни «Моделювання та реінжиніринг бізнес-процесів» під час виконання індивідуальних робіт і набуття навичок роботи ... -
Modeling the drainage facilities operation at the prospective construction site on the Dnipro floodland
(National Mining University, 2017-06-30)Purpose. To carry out predictive assessment of the hydrodynamic regime at the prospective construction site on the Dnipro floodland in order to choose an expedient drainage system and substantiate the drainage parameters ... -
Modeling the formation of high metal concentration zones in man-made deposits
(National Mining University, 2018-06-30)Purpose. To study conditions of forming the zones of high metal concentration in metal-containing man-made deposits. To assess the likelihood of metal concentration in the placer core. Methods. Analysis of the conditions ... -
Modeling the process of mineral rocks cutting with a tool made of polycrystallinе superhard materials
(National Mining University, 2017-09-30)Purpose. To analyze the process of rocks cutting by a tool made of polycrystallinе superhard materials (PSM). Methods. Mathematical modeling of rock destruction process. Findings. A model of deformation and fracturing ... -
Modelling of deep wells thermal modes
(National Mining University, 2019-03-30)Purpose. Investigation of various heat-exchange conditions influence of the tower liquid on the deep wells thermal conditions. Methods. Methods of heat-exchange processes mathematical modeling are used. On the basis of ... -
Modelling the influence of gaseous products of explosive detonation on the processes of crack treatment while rock blasting
(Dnipro University of Technology, 2021-09-30)Purpose is mathematical modeling of fracturing as well as influence of gaseous products of explosive detonation on the changes in rock strength. Methods. Mathematical model, using foundations of Griffith theory, has been ... -
MODELS AND INFORMATION SYSTEMS OF ECOLOGICAL AND ECONOMICAL RISKS WITH DECISION MAKING ON THE CLOSURE OF COAL MINES
(2018)Development of decision support system based on simulation results of underworking of surface and selection of rational way of remediation.