Torsional Vibrations at Guide-Vane Shaft of Pump–Turbine Model by Andrej Predin

“…Experimentally determined flow velocities at the impeller exit are given. The mathematical models for theoretical torsional vibration prediction formulated using linear and nonlinear differential equations are presented. …”
Get full text

Modeling Residence Time Distribution (RTD) Behavior in a Packed-Bed Electrochemical Reactor (PBER) by Sananth H. Menon, G. Madhu, Jojo Mathew

“…Finally, a suitable mathematical model (Modified Dispersed Plug Flow Model (MDPFM)) was developed for validating these results under electrolyzing conditions.…”
Get full text

An example from the world of tsetse flies by John Hargrove

“…More serious objections arise when mathematical models make no attempt to address the real world in such a way that they can be tested. …”
Get full text

Application of Generalized Fractional Thermoelasticity Theory with Two Relaxation Times to an Electromagnetothermoelastic Thick Plate by A. M. Abd El-Latief

“…The fractional mathematical model of Maxwell’s equations in an electromagnetic field and the fractional generalized thermoelastic theory associated with two relaxation times are applied to a 1D problem for a thick plate. …”
Get full text

On modeling problem of optimizing the environmental performance of ship power plant with reciprocating thermal engines as complex technical systems, taking into account operating c... by V. R. Vedruchenko, A. V. Shtib, I. I. Malakhov

“…On modeling the problem of optimizing the environmental performance of a ship power plant with reciprocating thermal engines as complex technical systems, taking into account operating costs and risk indices when operating on multi-grade fuels. A mathematical model of the problem of optimizing the environmental performance indicators of technical complex systems is presented based on the criterion of minimum total costs. …”
Get full text

Optimum Design of Multidischarge Outlet Biomass Briquetting Machine by Jiaqi Yang, Jirong Wang, Jun Li, Lianwen Shi, Xiangwu Dai

“…To further improve efficiency and rationally allocate power at each stage, in this paper, we established a mathematical model for the machine. We use the nonlinear programming in Matlab (2016b) to solve the minimum value of the model, making the machine work time the shortest.…”
Get full text

Interstitial Pressure And Fluid Motion In Tumor Cords by Alessandro Bertuzzi, Antonio Fasano, Alberto Gandolfi, Carmela Sinisgalli

“…This work illustrates the behavior of the interstitial pressure andof the interstitial fluid motion in tumor cords (cylindrical arrangements oftumor cells growing around blood vessels of the tumor) by means of numericalsimulations on the basis of a mathematical model previously developed. Themodel describes the steady state of a tumor cord surrounded by necrosis and itstime evolution following cell killing. …”
Get full text

Stability Analysis of Predator-Prey System with Fuzzy Impulsive Control by Yuangan Wang

“…Having attracted much attention in the past few years, predator-prey system provides a good mathematical model to present the correlation between predators and preys. …”
Get full text

Optimisation of parameters of vibration control process by applying rheological dynamic model by Rimantas Didžgalvis, Antanas Sudintas, Irena Tiknevičienė

“…The summarised dynamic and mathematical models of the vibration cont­rol are presented. …”
Get full text

Dynamics Analysis of the Melt Conveying Process in a Novel Extruder by Zan Huang

“…Here we present a mathematical model to analyze dynamics in the melt conveying process. …”
Get full text

Mathematical and Experimental Modelling of Adsorption in Fixed Bed. II. Experimental Investigation of Nonisothermal Single Solute Adsorption and Adsorber Simulation by P. Rajniak, J. Ilavský

“…The mentioned experimental data are simulated a priori by means of a two-phase mathematical model. The model parameter values used in the simulations are estimated either through available semiempirical correlations or by independent experimental runs. …”
Get full text

System Reliability Modeling and Analysis of Distributed Networks by Guanghui Wei

“…Meanwhile, task request, task scheduling, and execution phase will be also studied, and the establishment of reliability mathematical model of distributed network will be discussed to provide actual reference significance for the design of the distributed network system.…”
Get full text

Sensitivity Analysis of a Physiochemical Interaction Model Undergoing Changes in the Initial Condition and Duration of Experiment Time by EN Ekaka-a, EO Chukwuocha, NM Nafo

“…The mathematical modelling of physiochemical interactions in the framework of industrial and environmental physics usually relies on an initial value problem which is described by a single first order ordinary differential equation. …”
Get full text

Group Classification of a General Bond-Option Pricing Equation of Mathematical Finance by Tanki Motsepa, Chaudry Masood Khalique, Motlatsi Molati

Get full text

Research on Arc Extinguishing Characteristics of Single-Phase Grounding Fault in Distribution Network by Yan Li, Jianyuan Xu, Peng Wang, Guanhua Li

“…The three-dimensional single-phase grounding arc mathematical model effectively describes the dynamic development process of the grounding arc. …”
Get full text

Dynamic Automated Search of Shunting Routes within Mesoscopic Rail-Traffic Simulators by Antonin Kavička, Pavel Krýže

“…Applications of the algorithms and of the mathematical model of the track layout are demonstrated on a model track infrastructure.…”
Get full text

Analysis of the high order ADL(<i>p, q</i>) models used to describe connections between time series by T. R. Kalugin, A. K. Kim, D. A. Petrusevich

“…In the paper the mathematical models describing connection between two time series are researched. …”
Get full text

Experimental Validation of Numerical Model for Bi-Tilt-Isolator by Ming-Hsiang Shih, Wen-Pei Sung, Chia-Yu Ho

“…Sliding force, friction force, and impulse force are caused in the slanting process of BTI, nonlinear behavior. A nonlinear mathematical model is derived based on the sliding upwards, sliding downwards, and transition stages. …”
Get full text

Long-term consequences of the Chornobyl disaster for aquatic ecosystems: A retrospective analysis and prognosis by R. Makhinko

“…The methodology included retrospective data analysis, field research, laboratory experiments, and mathematical modelling. The retrospective analysis covered historical data from 1986; field studies included sampling of water, sediments, and biota; laboratory experiments focused on studying the effects of radiation on aquatic organisms; mathematical modelling allowed predicting long-term trends. …”
Get full text

Modeling automatic horizontation system of steep-sloping mobile machine with hydraulic sensor roll by V. I. Grishchenko, A. A. Tumakov, M. S. Poleshkin, M. S. Kilina, D. D. Dymochkin

“…A generalized mathematical model of the leveling system with a submodel of the control roll sensor has been developed. …”
Get full text