Hydrodynamic Effects of River-Lake System Connectivity on Ecological Restoration of Urban Rivers: A Case Study of Liede River by WANG Shaobo, ZHANG Shu, XIONG Yulong, ZHOU Xinmin

“…To investigate the hydrodynamic effects of river-lake system connectivity on the ecological restoration of urban rivers supplemented by reclaimed water, a four-tier framework was employed to establish a mathematical model of river-lake hydrodynamics and pollutant transport by using the Liede River as an example. …”
Get full text

Statistical and Experimental Investigation of Hardened AISI H11 Steel in CNC Turning with Alternative Measurement Methods by Emrah Şahin, İsmail Esen

“…Finally, regression coefficients were determined as a mathematical model, and it was observed that this estimated model gave results that were very similar to those achieved with real experiment (correlation values: 97.64% for surface roughness, 98.72% for energy consumption, 97.22% for electric current value, and 91.38% for sound intensity level).…”
Get full text

Detection and Adaptive Video Processing of Hyperopia Scene in Sports Video by Qingjie Chen, Minkai Dong

“…By introducing the mathematical model of image processing, the traditional motion detection algorithm is improved and the improved motion detection algorithm is implemented in the system. …”
Get full text

Optimization Control of Cooperative Trajectory towards Dual Arms Based on Time-Varying Constrained Output State by Hui Zhang, Wenbin Zha, Xiangrong Xu, Yongfei Zhu

“…According to the constraint relationship of the end-effector trajectory of the dual-arm coordinated transportation, the joint space trajectory mathematical model of the dual-arm coordinated transportation was established by using the master-slave construction method. …”
Get full text

DEVELOPMENT OF HEATED STREAM ABOVE THE HORIZONTAL SURFACE by P. I. Diachek, A. E. Zakharevich, I. Yu. Hrachou

“…The development of thermal contaminated air stream formed above the surface of lengthy heated plate is investigated on the basis of the mathematical model of heat and mass transfer processes. …”
Get full text

Pressure-Predicting Model for Ultralow-Permeability Reservoirs considering the Water Absorption Characteristics of Mudstone Formations by Kai Liu, Daiyin Yin, Yong Wang

“…In this paper, the water absorption characteristics of mudstone are experimentally studied, and the empirical function of the water absorption process is established. A new mathematical model of the whole lithology is established by applying the research results of mudstone water absorption characteristics. …”
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

Electrical and Heat Energy Production Strategy in Conditions of Limited Amount of Fuel by V. S. Kuzevanov, S. S. Zakozhurnikov, G. S. Zakozhurnikova, A. A. Kaverin

“…The basis of production management is the mathematical model of the generating complex, presented in our paper. …”
Get full text

Reactive Power Optimization of Distribution Network Considering the Reactive Power Output of Doubly Fed Induction Generator by Cheng ZHANG, Yu CHEN, Can LI, Liangshuai LU, Zhenglong XIA

“…[Method] Based on the segmentation idea, the uncertain dynamic problem of wind power was transformed into a definite static problem, and the improved whale optimization algorithm was used to solve the mathematical model. In order to solve the problems of low precision, slow convergence speed and easy to fall into local optimality of the traditional whale optimization algorithm, a hybrid strategy was adopted to improve whale optimization algorithm, and some improved methods such as tent mapping initialization, adaptive weight and adaptive probability threshold were introduced. …”
Get full text

Comprehensive Research on Energy Saving Synergy Optimization and Optimal Real-time Control of Hybrid Electric Mining Trucks by Li Hongliang, Zhang Guojing, Fan Ping

“…This study takes the hybrid electric mining truck as a research object, establishes the mathematical model of the whole vehicle, takes reducing fuel consumption as the goal, establishes a collaborative optimization model that comprehensively considers the interaction between transmission system parameters and energy management strategies, and combines particle swarm optimization (PSO) algorithm and dynamic programming (DP) algorithm to build a two-layer interactive optimization algorithm to eliminate the interaction between transmission system parameters and energy management strategies. …”
Get full text

A Combined MPC and PI Control Strategy for Bidirectional Interleaved Totem Pole PFC Converters in Electric Vehicle G2V and V2G Applications by Lassioui Abdellah, Kabba Abdelaziz, El Ancary Marouane, Hasni Anwar, El Asri Yassine, El Idrissi Zakariae, El Fadil Hassan

“…The converter’s mathematical model is used to implement the MPC, which ensures a unit power factor during both Grid-to-Vehicle (G2V) and Vehicle-to-Grid (V2G) operations. …”
Get full text

Effects of Vertical Transmission and Human Contact on Zika Dynamics by Abdoulaye Sow, Cherif Diallo, Hocine Cherifi

“…Therefore, it is essential to spot the relative importance of the various factors contributing to the transmission and prevalence of the disease. Many mathematical models have been formulated incorporating vector-to-human transmission or human-to-human transmission. …”
Get full text

Circadian distribution of epileptiform discharges in epilepsy: Candidate mechanisms of variability. by Isabella Marinelli, Jamie J Walker, Udaya Seneviratne, Wendyl D'Souza, Mark J Cook, Clare Anderson, Andrew P Bagshaw, Stafford L Lightman, Wessel Woldman, John R Terry

“…We interrogated these data using a mathematical model that describes the transitions between background and epileptiform activity in large-scale brain networks. …”
Get full text

Prediction Model of Cutting Parameters for Turning High Strength Steel Grade-H: Comparative Study of Regression Model versus ANFIS by Adel T. Abbas, Mohanad Alata, Adham E. Ragab, Magdy M. El Rayes, Ehab A. El Danaf

“…In addition, a mathematical model for surface roughness was obtained from the experimental data using a regression analysis method. …”
Get full text

Significance of solar radiation and viscous dissipation on oscillatory and steady convective heat transfer around buoyancy-driven sphere using FDM scheme by Alanoud Alsuhaymi, Musaad S. Aldhabani

“…The main theme of this examination is to generate the oscillations in heat frequency and oscillations in shear stress rate around a sphere surface. The governing mathematical model is solved by using primitive variable formulation and finite difference method. …”
Get full text

Design of a sustainable supply chain network of biomass renewable energy in the case of disruption by Leila Aslani, Atefeh Hasan-Zadeh, Yousef Kazemzadeh, Amir-Hosein Sheikh-Azadi

“…In this paper, a mathematical model has been proposed for the design of the biomass supply chain of field residues that includes several fields where residue is transferred to hubs after collecting the residue in the hub, the residue is transferred to reactors. …”
Get full text

Model Predictive Control for Automatic Carrier Landing with Time Delay by Kaikai Cui, Wei Han, Yujie Liu, Xinwei Wang, Xichao Su, Jie Liu

“…This paper focuses on the problem of automatic carrier landing control with time delay, and an antidelay model predictive control (AD-MPC) scheme for carrier landing based on the symplectic pseudospectral (SP) method and a prediction error method with particle swarm optimization (PE-PSO) is designed. Firstly, the mathematical model for carrier landing control with time delay is given, and based on the Padé approximation (PA) principle, the model with time delay is transformed into an equivalent nondelay one. …”
Get full text

A multi-objective robust possibilistic programming approach to designing sustainable and reliable closed-loop supply chain network (case study: aluminum industry) by Sajad Amirian, Maghsoud Amiri, Mohammad Taghi Taghavifard

“…The proposed approach eliminates the need for iterative consideration by decision-makers by providing unlimited choices from the optimism-pessimism spectrum. The mathematical model developed in this research is of mixed integer linear programming type, which is implemented in GAMS software to solve it and find Pareto optimal solutions.Findings: The accuracy of the overall performance of the proposed model has been evaluated with four examples (based on the coefficients of the objective functions) from a case study in the aluminium industry. …”
Get full text

Predictive fatigue life modelling for aluminum alloys winder high temperature and shot peening interact by Allawi H. Alwin, Hatem Ksibi

“…Additionally, a mathematical model was developed, integrating the Stress – Number of cycles curve, loading sequence, temperature, and surface hardness from shot peening. …”
Get full text

Soil erosion by assessing hydrothermal conditions of its formation by A.B. Achasov, A.A. Achasova, A.V. Titenko

“…Formation of the soil’s natural profile on the slopes, caused by the action of natural factors of soil formation, can be described using a mathematical model, characterizing hydrothermal conditions of the slope areas through relative parameters of insolation (Ki) and moisture. …”
Get full text