Modeling and Analysis of Dynamic Social Ties in D2D Collaborative Video Transmission by Qi Zhang, Zufan Zhang, Tian Zeng, Xiaoke Li

“…Specifically, a stochastic mathematical model is established and analyzed, in which the combined effect of many factors such as interest, geographical position, career, social class, value system, and interaction is considered. …”
Get full text

Chemical Potential-Based Modeling of Shale Gas Transport by Jisheng Kou, Lingyun Chen, Amgad Salama, Jianchao Cai

“…In this paper, a new mathematical model of gas flow in shale formations is proposed, which uses gas density instead of pressure as the primary variable. …”
Get full text

Mechanical properties and failure analysis of PLA/copper composites fabricated by fused deposition modelling by Kumar R.V., Kumar K.R., Soms N.

“…The printer properties, i.e. the Nozzle Temperature and Printing speed, and the processing parameters, i.e. the Layer Thickness and the density of the infill are the most important parameters considered in this study. Mathematical models were developed to predict the strength of the composites as the process parameters were varied. …”
Get full text

Integrated Scheduling Optimization for Multi-Line Production and Transportation of Prefabricated Components Considering Shared Resources by Yiran Dan, Chengshuang Sun, Qianmai Luo

“…With on-time delivery and lower costs as the goals, a scheduling optimization mathematical model is established for this scenario. This article adopts the genetic algorithm to design the solution algorithm for this model, and the effectiveness of the model and algorithm is verified through an example. …”
Get full text

Model Value of Taiji Curve Algorithm in Economic Geographic and Natural Game Management Information System by Chengqi Xu, Kegong Chen

“…In order to study the role of tai chi curve algorithm in economic geography and natural ecological management and explore the application value of tai chi curve algorithm and its model, this study discusses the principle of Chinese tai chi diagram, using mathematical model construction method by the previous tai chi map and Pythagoras theorem clever results, produced the tai chi graph s curve algorithm, and discusses the application value of tai chi curve algorithm and its model from different angles; this study takes Zhangye geography as an example, which provides an applied research direction for the future scientific research of Chinese economic geography and also provides a clever connection with ecological correlation and nature; finally, it is found that the Taiji graph s curve algorithm can calculate the corresponding Yin and Yang values according to the balance point and relative deviation amount of the attribute state, and the results have an extraordinary influence in economic geography, information management system, natural ecology, and other aspects.…”
Get full text

Numerical Simulation of Pollutant Transport in Fractured Vuggy Porous Karstic Aquifers by Xiaolin Fan, Shuyu Sun, Wei Wei, Jisheng Kou

“…This paper begins with presenting a mathematical model for contaminant transport in the fractured vuggy porous media of a species of contaminant (PCP). …”
Get full text

Application and Cutting Machining of Double Disc Milling Cutter by Li Zhijiang

“…For one thing,the change law between the tooth profile allowance and the gear modulus with double,single disc milling type is obtained by establishing the mathematic model of tooth groove allowance of double disk milling. …”
Get full text

Application of Soft Computing Paradigm to Large Deformation Analysis of Cantilever Beam under Point Load by Yanmei Cui, Yong Hong, Naveed Ahmad Khan, Muhammad Sulaiman

“…In this paper, a mathematical model for large deformation of a cantilever beam subjected to tip-concentrated load is presented. …”
Get full text

How and why do neurons generate complex rhythms with various frequencies? by Teresa Ree Chay, Young Seek Lee

“…In the first part of this review, we illustrate that such rhythms can be generated from simple yet elegant mathematical models. Chaos embedded in rhythmic activity has interesting characteristics that are not seen in other physical systems. …”
Get full text

Comparison of Continuous-Time Partial Markov Chain Construction by Heuristic Algorithms for Purpose of Approximate Transient Analysis by Eimutis Valakevičius, Mindaugas Bražėnas, Tomas Ruzgas

Get full text

Intelligent Fault Diagnosis Based on Vibration Signal Analysis by Minvydas Ragulskis, Lu Chen, Ganging Song, Ameen El Sinawi

Get full text

SOLUTION AND ANALYSIS OF THERMAL ELASTOHYDRODYNAMIC LUBRICATION MODEL FOR TOOTH AND SLIDING RING COMBINED SEAL by ZHANG Yi, YANG Qiang, YANG Lin, WANG HaiJuan, XIONG ZiJie, XIONG SiYang, ZHONG SiPeng

“…Combined with the high pressure and high temperature working condition and the characteristics of tooth and sliding ring combined seal, the mathematical model of the rotating slip ring type combined seal is established based on the theory of thermoelastic hydrodynamic lubrication. …”
Get full text

Designing model for adaptive variable withdrawal rate strategies to control misaligned grains during directional solidification of large-sized complex-shaped turbine blades by Yang Liu, Fu Wang, Jing Wang, Qiang Yang, Dichen Li, Jiantao Wu

“…This study develops a simplified mathematical model that integrates blade and mold geometries, processing parameters affecting heat transfer, and the morphology of the liquidus isotherm. …”
Get full text

Improving diversification by a hybrid bat-Nelder-Mead algorithm and DDE for rapid convergence to solve global optimization by Enas Suhail, Mahmoud El-Alem, Omar Bazighifan, Ahmed Zekri

“…So, some algorithms contribute to improve mathematical models related to natural life problems and global optimization. …”
Get full text

A Bi-Objective Stochastic Model of Locating-Allocating-Routing Relief and Rescue in Disaster Response Conditions: An Accelerated Benders Decomposition by Behrooz Baygan, Ahmad Mehrabian, Mahdi Yousefi Nejad Attari, Mohammad Jafar Doostideilami

“…In this paper, using a scenario-based stochastic planning mathematical model, postdisaster relief is discussed. Also, attention has been paid to the distribution of vital items by using routing. …”
Get full text

Kinematics and Workspace Analysis of 2P3R Robot by Pengpeng Deng, Chunyan Zhang, Zhaolou Gao, Shengwen Zhang, Chuanlin Hu

“…Taking the end-effector into account，the forward kinematics mathematical model of the robot is established by using an improved D-H method and the forward kinematics equation is obtained. …”
Get full text

Design and Analysis of the Tooth Profile of Double Generating-wave Swing-rod Movable Tooth Drive by Yi Yali, Shao Cang, Jin Herong, An Zijun

“…The change law of central wheel curvature radius is illustrated based on the same mathematical model analysis,the non- interference conditions of equidistant teeth profile are given. …”
Get full text

Parachute-Payload System Flight Dynamics and Trajectory Simulation by Giorgio Guglieri

“…The results presented for a realistic case study define the sensitivity of the simulation outputs to the functional complexity of the mathematical model. Far from being an absolute address for the software designer, this paper tries to contribute to the area of interest with some technical considerations and clarifications.…”
Get full text

Data transmission strategy of P2P pattern live video media streaming system by SUN Zhi-xin1, CHEN Ya-dang1, REN Zhi-guang1

“…An algorithm optimization was made with improved simulated annealing algorithm aimed at data transmission strategy of streaming media system in P2P networks.According with global layout,a mathematic model have been estab-lished for data transmission strategy of streaming media system in P2P networks named VMDTSA-P2P,which com-pletely have considered the affection of both the out-bandwidth and the available time,and take them as the object func-tion for getting the optimum solution.It also optimized the solutions with improved simulated annealing algorithm.Compared with traditional data transmission strategies,this improved algorithm accelerates the speed of new nodes choose the data provider from its partner nodes when there are lots of users and insures the solution of the data provider is approximate the best.Thus,the play delay of the streaming media system is decreased and the quality of video playback is increased.By realizing it in a simulated P2P system,the accuracy and the efficiency were both verified in the simulation.…”
Get full text

Study on Spacing Threshold of Nonsubmerged Spur Dikes with Alternate Layout by Xiaomeng Cao, Zhenghua Gu, Hongwu Tang

“…This paper investigated the spacing threshold of nonsubmerged spur dikes with alternate layout to classify the impact scale of spur dikes. A mathematical model was built based on standard k-ε model, finite volume method (FVM), and rigid lid assumption and was verified by experimental data. …”
Get full text