RESEARCH ON CONTACT DAMPING CHARACTERISTICS OF JOINT SURFACE OF MICRO TEXTURED SURFACE by ZHU ChunXia, LIU Lei, ZHAO Yuan, WANG Ning

“…The damping source of the joint surface is analyzed, and the mathematical model of the damping of a single micro convex body on the joint surface is established. …”
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Modelling In Vivo HIV Dynamics under Combined Antiretroviral Treatment by B. Mobisa, G. O. Lawi, J. K. Nthiiri

“…In this paper a within host mathematical model for Human Immunodeficiency Virus (HIV) transmission incorporating treatment is formulated. …”
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Analytical Solution of Tidal Loading Effect in a Submarine Leaky Confined Aquifer System by Zongzhong Song, Hailong Li, Qian Ma, Chunmiao Zheng, Jiu Jimmy Jiao, Shaohong Li

“…A one-dimensional mathematical model is established to describe the problem, and the analytical solution is derived. …”
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Analysis of the state of the gas market in the context of the aggravation of the Ukrainian crisis by E. A. Rechkina, A. M. Terekhov

“…Based on the results of the study, a development forecast of the natural gas market was made founded on the constructed economic and mathematical model, which showed an increase in prices in the next few months. …”
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A Survey of Transportation Problems by Ocotlán Díaz-Parra, Jorge A. Ruiz-Vanoye, Beatriz Bernábe Loranca, Alejandro Fuentes-Penna, Ricardo A. Barrera-Cámara

“…This paper aims at being a guide to understand the different types of transportation problems by presenting a survey of mathematical models and algorithms used to solve different types of transportation modes (ship, plane, train, bus, truck, Motorcycle, Cars, and others) by air, water, space, cables, tubes, and road. …”
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Hopf Bifurcation on a Cancer Therapy Model by Oncolytic Virus Involving the Malignancy Effect and Therapeutic Efficacy by F. Adi-Kusumo, L. Aryati, S. Risdayati, S. Norhidayah

“…We introduce a mathematical model that shows the interaction dynamics between the uninfected and the infected cancer cell populations with oncolytic viruses for the benign and the malignant cancer cases. …”
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Complexity: Frontiers in Data-Driven Methods for Understanding, Prediction, and Control of Complex Systems 2022 on the Development of Information Theoretic Model Selection Criteria... by Andrea Murari, Michele Lungaroni, Riccardo Rossi, Luca Spolladore, Michela Gelfusa

“…It can be argued that the identification of sound mathematical models is the ultimate goal of any scientific endeavour. …”
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Intra-Skip in Inter-Frame Coding of H.264/AVC by Hui Su

“…Aiming at intra-skip, this paper proposes a novel mathematical model for intra-skip in inter-frame coding to alleviate the complexity of the process; the model provides remarkable performance increment by cutting down encoding time while accompanying very minor bitrate increase. …”
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A model of drug resistance with infection by health care workers by Avner Friedman, Najat Ziyadi, Khalid Boushaba

“…In this paper,we introduced a new mathematical model which focuses on theevolution of two bacterial strains, drug-resistant and non-drugresistant, residing within the population of patients and healthcare workers in a hospital. …”
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Research of the Vibration Characteristic in the Operation Process of the Long Distance V-ribbed Belt Drive Drilling Tool Transport System by Yu Qian

“…Aiming at the problems of long distance drilling tool transport system has high manufacturing cost,maintenance difficulty,the V- ribbed belt drive is introduced into the long distance drilling tool transport system,and the system mathematical model is established. The key components of the tensioning device are optimized through optimization design,and the optimization results are verified by the experiment method. …”
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Research on the Supernetwork Equalization Model of Multilayer Attributive Regional Logistics Integration by Jian Xu, Yanna Yin, Xin Wen, Guozhi Lin

“…We built a supernetwork mathematical model of regional logistics integration with multiple layers of attributes. …”
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Optimal control applied to vaccination and treatmentstrategies for various epidemiological models by Holly Gaff, Elsa Schaefer

“…Mathematical models provide a powerful tool for investigating thedynamics and control of infectious diseases, but quantifying theunderlying epidemic structure can be challenging especially for newand under-studied diseases.Variations of standard SIR, SIRS, and SEIR epidemiologicalmodels are considered to determine the sensitivity of these models tovarious parameter values that may not be fully known when the models areused to investigate emerging diseases. …”
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Hidden Markov models and neural networks in formation of investment portfolio by P.A. Novikov, R.R. Valiev

“…Common mathematical models are used by investors for prediction of the future state of the financial market lose if the macroeconomic situation gets worse. …”
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An Improved Hierarchical Genetic Algorithm for Sheet Cutting Scheduling with Process Constraints by Yunqing Rao, Dezhong Qi, Jinling Li

“…The objective of the cutting scheduling problem is minimizing the weighted completed time. A mathematical model for this problem is presented, an improved hierarchical genetic algorithm (ant colony—hierarchical genetic algorithm) is developed for better solution, and a hierarchical coding method is used based on the characteristics of the problem. …”
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Group Decision-Making Approach without Weighted Aggregation Operators by Min Jiang, Zhiqing Meng, Rui Shen

“…This approach is more suitable for scenarios with infinite number of individuals. A mathematical model approach is established based on the new concept of s⁎-optimal concession equilibrium solution without weighted aggregation operators for group decision-making problems. …”
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ANALYSIS OF BULK TEMPERATURE FIELD OF CONSTANTLY NO CLEARANCE PRECISION STEEL BALL TRANSMISSION by HONG Cheng, AN ZiJun, XIA JingQi, WANG Ge

“…On the basis of heat transfer theory,the bulk temperature field of constantly no clearance precision steel ball transmission is studied and the formulas of relative sliding velocity,maximum contact stress,and friction coefficient are derived.Meantime,the mathematical models of heat flux of engagement pairs and convention heat transfer coefficient of each region are established. …”
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A Game-Theoretic Approach for the Robust Daily Aircraft Routing Problem by Bin Deng, Hao Guo, Jingfeng Li, Junfeng Huang, Kaiyi Tang, Weidong Li

“…This paper presents a new robust integer mathematical model based on game theory that considers daily aircraft routing. …”
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Thermal Performance Analysis of Dry Unit of Hybrid Closed Cooling Tower by Ilnur Madyshev, Vitaly Kharkov, Marsel Vakhitov, Maxim Kuznetsov

“…Therefore, this study aimed to propose a hybrid closed cooling tower (CCT) with a fill unit composed of a finned pipe coil and inclined corrugated plates (ICP). A mathematical model of the hot water cooling process in the proposed cooler, operating in dry mode was developed using the number of heat transfer units (NTU). …”
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SYSTEM ANALYSIS OF THE FOUR-PRONG LEGGED ACCELEROMETER BASED ON TRAPEZOIDAL VARIABLE CROSS-SECTION BEAM by LU KunLei, SUN JiangHong, YI YuanLin, DU HongChen

“…The trapezoidal variable cross-section beam rigidity-size relation was deduced with a bending mathematical model. The size requirements were raised by strength. …”
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Indexation of Fixed-Income Portfolios to the IMA-B by Emilio Ricardo Carvalhais, Antonio Marcos Duarte Júnior

“…This study considers the problem of indexing fixed-income portfolios to the ANBIMA Market Index – Series B (IMA-B), composed of Brazilian National Treasury Notes – Series B (NTNBs). We propose a mathematical model that minimizes the deviations of the returns of the chosen portfolio in relation to the returns of the index’s theoretical portfolio. …”
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