- 1. Designing the working surfaces of rotary planetary mechanisms
- (Content №4 2023)
- ... simulation to eliminate the impact of the rotor on the stator when they interact. Methodology. Special and general methods of research have been used: interpolation of the point series – to determine ...
- Created on 28 August 2023
- 2. Mathematical 3D-modeling in the formation process of the overhauled surfaces in the repair industry
- (Content №2 2022)
- ... models: interpolation (to assess the worn surfaces state) and optimization (for determining the volume of cut material and setting cutting conditions). Originality. For the first time a particular mathematical ...
- Created on 30 April 2022
- 3. Improvement of modeling techniques of transients in transformers based on magnetoelectric equivalent schemes
- (Content №6 2021)
- ... Approximation of functions by Chebyshevs polynomials, numerical methods of differential equations integrating, matrix methods, spline interpolation, programming, theory of electric and magnetic circuits. ...
- Created on 29 December 2021
- 4. Modeling of the earth’s surface subsidence during its undermining by stoping in coal mines
- (Content №6 2020)
- ... identify areas of the flooded surface as well as its volume. Therefore, the two types of models (the interpolation model and polynomial one) to construct surfaces with a regular network have been considered. ...
- Created on 22 December 2020
- 5. Impact of duration of mechanochemical activation on enhancement of zinc leaching from polymetallic ore tailings
- (Contens №5 2020)
- ... from 1/4 to 1/10 with process duration of 15 to 60 minutes. The results were processed by the standard LOESS method in combination with three-dimensional interpolation of an incomplete data sample. Findings. ...
- Created on 30 October 2020
- 6. Algorithmic provisions for data processing under spatial analysis of risk of accidents at hazardous production facilities
- (Contens №6 2019)
- ... point interpolation was performed using the Golden Software Surfer. Originality. Based on the model of expert system of a fuzzy logical output, relationships have been established between a numerical ...
- Created on 23 December 2019
- 7. Energy-saving control for traction frequency-regulated asynchronous engine of an electric vehicle
- (Contens №6 2019)
- ... Methodology. Methods of variational calculus, Runge-Kutta, mathematical analysis and interpolation, computer modeling. Findings. Analytical dependencies are obtained to calculate the total ...
- Created on 23 December 2019
- 8. Determination of stress in composite plates with cracks on the basis of the method of integral equations and solutions by Green
- (Geotechnical and mining mechanical engineering, machine building)
- ... Journal of Fracture, 211(1-2), 149-162. 2. Ang, W. T. (2014). Hypersingular integral equations in fracture analysis. Elsevier. 3. Zhang, J., Lin, W., & Dong, Y. (2019). A dual interpolation ...
- Created on 26 October 2019
- 9. Energy-saving tachograms of acceleration (deceleration) of a frequency-regulated asynchronous engine
- (Electrical Complexes and Systems)
- ... interpolation and computer modeling are used. Findings. Analytic dependencies are obtained for calculating the total energy losses for a frequency-regulated asynchronous engine (FRAE) under conditions ...
- Created on 19 August 2019
- 10. Optimization of general losses of the energy of the frequency-regulated pumping aggregate for start-braking regimes
- (Electrical Complexes and Systems)
- ... calculation and optimization of the total energy losses for a frequency-regulated centrifugal pumping aggregate during start-braking regimes. Methodology. Variational calculi, mathematical interpolation ...
- Created on 16 June 2019
- 11. Way of determining the spatial distribution of stresses along the main pipeline section using ultrasonic method
- (Information technologies, systems analysis and administration)
- ... the pipeline section were described. The results obtained were confirmed in practice. Their interpolation and visualization as continuous surface allows simulating the stress state between the control ...
- Created on 11 March 2018
- 12. Variation method based on the interpolation for navier-stokes solutions for transient uncompressible flow
- (Geotechnical and mining mechanical engineering, machine building)
- Authors: Chengxi Liu, College of Mathematics and Information Sciences, Neijiang Normal University, Neijiang, China Abstract: Purpose. Many studies have been devoted to using variational ...
- Created on 17 November 2016
- 13. Ensemble classification algorithm based improved SMOTE for imbalanced data
- (Information technologies, systems analysis and administration)
- ... clustering operation, and the interpolation operation was performed on the connection of the cluster center and the original data point. Secondly, ECA-IBD (an ensemble classification algorithm based improved ...
- Created on 23 June 2016
- 14. A mathematical model for estimation of amber placer reserves using the continuous kriging method
- (Information technologies, systems analysis and administration)
- Authors: M.H. Lustyuk, Dr. Sci. (Tech.), Associate Professor, Private Higher Educational Institution “European University”, Rivne, Ukraine V.M. Dyakon, Cand. Sci. (Phys.-Math.), Associate Professor, ...
- Created on 10 July 2013
- 15. Results of analysis of induction of heating modes of machine parts with detachable connection
- (Electrical complexes and systems)
- ... modeling accuracy. Numerical method of calculating forming finite-differential equations and the method of factorization has been used for study of the thermal process of induction heating. Interpolation ...
- Created on 13 November 2012