Research of Digital Closed-loop Manufacturing Technology of Curvic Coupling by Zhiyong Wang, Zhixiong Xiao, Yu Zhang, Xin Liu

“…Based on the mathematical model of tooth surface， the correction method of tooth profile error is established. …”
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The effect of steering axis inclination on the dynamic stability of vehicles with an articulated steering by Aleksander Skurjat

“…The mathematical model consists of six submodels: kinematic model, dynamic model, tyre model, steering system model, front rear yaw angle division model, and solution evaluation method. …”
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On an Inverse Problem of Reconstructing a Heat Conduction Process from Nonlocal Data by Makhmud A. Sadybekov, Gulnar Dildabek, Marina B. Ivanova

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MANAGEMENT OF QUANTITY OF TEACHING STAFF RATES AND ENROLLMENT PLAN OF EDUCATIONAL ORGANIZATION OF HIGHER EDUCATION by Andrew S. Zuev, Tatiana V. Lentyaeva

“…The given problems are solved in common on the basis of application of the mathematical model offered by authors.…”
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Calculation of bending deflection and stresses of a pipe with flowing fluid in the case of variable ground load by Rimantas Didžgalvis, Antanas Sudintas, Irena Tiknevičienė

“… The mathematical model of the oscillations of fulfilled pipe is formed on the case when that pipe suddenly losses the support. …”
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Operation stability of sea vessels onboard electrical power system when changing settings of diesel generator governor by A. E. Savenko, P. S. Savenko

“…The results of mathematical modeling allow us to conclude that it is necessary to limit the change in the values and ratios of the transmission coefficients of the governor. …”
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Optimum Design of Cone Type Friction Clutch based on Fuzzy Comprehensive Evaluation by Yang Yongqiang, Li Xiaoying, Cao Botao, Zhang Chunxia, Zhang Man

“…Based on the dynamics research,an optimum mathematical model of cone type friction clutch is established with the working space for the optimization objective.Aiming at the fuzzy factor analysis of some important design parameters,the fuzzy comprehensive evaluation method is used to optimize this clutch.It is shown by calculation that the working space can be obviously decreased by optimization.Therefore,this optimization method provides the theoretical foundation to research the performance of cone friction clutch.…”
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Model for Investigation of Operational Wind Power Plant Regimes with Doubly–Fed Asynchronous Machine in Power System by R. I. Mustafayev, L. G. Hasanova

“…The paper presents methodology for mathematical modeling of power system (its part) when jointly operated with wind power plants (stations) that contain asynchronous doubly-fed machines used as generators. …”
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DEVELOPING THE PROGRESSIVE TIME NORMS ON THE OPERATION OF REPAIR MANUFACTURE FOR THE AIRCRAFT ENGINES USING THE EXPERIMENT PLANNING THEORY by A. Tikhonov, A. Komarova

“…Proved the necessity and possibility of using the method of rotatable experiment planning when building the mathematical model of time norms for performing the technological repair operation. …”
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SOME REGULARITIES OF THE UNCERTAIN SYSTEMS ROOT LOCUS PORTRAITS by A. A. Nesenchuk

“…The paper is aimed at investigation of dynamic properties of control systems with interval parametric uncertaint y, which dynamics is described by the family of interval characteristic polynomials. The mathematical model of the system  is considered in the form of root locus portrait, represented by the root locus fields family. …”
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On the initial value problem for a class of discrete velocity models by Davide Bellandi

“…In this paper we investigate the initial value problem for a class of hyperbolic systems relating the mathematical modeling of a class of complex phenomena, with emphasis on vehicular traffic flow. …”
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Calculation of Quasi-Stationary Fields in Metal Sheets and Plates Placed in Magnetic Fields using Double Fourie Series by A. N. Gerasimovich, D. A. Gerasimovich, А. M. Kozik

“…The paper considers a calculation of electromagnetic field in metal sheets and plates placed in inhomogeneous magnetic fields. Mathematical model equations have been obtained and a calculation method based on expansion of boundary conditions into double Fourie series is proposed in the paper. …”
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Development of vortex compressed air drying devices for ground launch complex systems by A. B. Yakovlev

“…The possibility of using the vortex effect for drying compressed air used in various industrial installations including systems for thermostating ground launch complexes is shown. A mathematical model of the process of reducing the moisture content is presented and a method for calculating the optimal geometric dimensions of the vortex drying device is created. …”
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Stress Redistribution in Statically Indeterminate Corroded Reinforced Concrete Beams by A. G. Tamrazyan

“…It is noted that the ability of a reinforced concrete beam to rotate is crucial for both operational and limit states, as it affects the deflection, moment redistribution and energy absorption. A mathematical model that predicts the moment redistribution factor is developed. …”
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Simulation of Consolidated Power System Behaviour in Steady and Self-Steady Modes by A. A. Zalatoi

“…A complex mathematical model of behaviour of consolidated power systems with strong and weak internal intersystem electrical links in steady and self-steady modes is offered in view of automatic control of frequency, voltage and power. …”
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HARMONIC ANALYSIS OF MAGNETOMOTIVE FORCE IN THE AIR GAP OF SIX-PHASE ASYNCHRONOUS MACHINES by TODOS, Petru, TERTEA, Ghenadie, NUCA, Ilie

“…The paper presents the mathematical model for the harmonic analysis of the magnetomotive force in the air gap of six-phase machines with possible variants of windings on the stator. …”
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Dynamic Modeling and CAE Cosimulation Method for Heavy-Duty Concrete Spreader by Shiying Zhang, Ke Zhang, Bo Song, Wenda Yu, Dong Li

“…This paper presents the dynamic model of heavy-duty concrete spreader with liquid-solid rigid-flexible coupling by means of mathematical modeling and CAE cosimulation. The mathematical method of liquid-solid dynamic model of heavy-duty concrete spreader is described. …”
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Comparative analysis of flat multi-element electric field strength sensors with round base and various design features by S. V. Biryukov, E. G. Glukhoverya, A. V. Tyukin

“…For this, a generalized mathematical model of the sensor is compiled taking into account its design parameters which affect the error from field inhomogeneity and the spatial range of measurement. …”
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Optimization of distribution risk of hazardous materials in the production routing problem by Amin Farahbakhsh, Amirsaman Kheirkhah

“…Given that solving the mathematical model with the nonlinear objective function is more difficult, this function is approximated by a piecewise linear function.Findings: In this research, 8 standard instances have been used to evaluate and solve the model and compare the two nonlinear and linear models. …”
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A model for utilising crises-related issues to facilitate transdisciplinary outdoor STEAM education for sustainability in integrated mathematics, language arts and technology class... by Musa Saimon, Zsolt Lavicza, Tony Houghton, Fredrick Mtenzi, Pablo Carranza

“…The development of our model was informed by the theoretical framework for Transdisciplinary STEAM proposed by Quigley and colleagues (Sch Sci Math 117:1–12, 2017; J Sci Educ Technol 29:499–518, 2020) and the model for problem mathematical modelling cycle proposed by Blum and Leiß (Mathematical Modelling, pp. 222–231, 2007. https://doi.org/10.1533/9780857099419.5.221 ). …”
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