Constitutive Model of Solid Backfill Materials and Numerical Simulation of Overburden Movement and Deformation in Backfill Mining by Chao Ma, Lianying Zhang, Bing Li, Xianbiao Mao

“…The ABAQUS UMAT was used to develop the numerical calculation subroutine of the model. Finally, the rationality of the model was verified that simulated stress-strain curves of the backfill materials during the compaction process agree well with experiments. …”
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Panoramic Display and Planning Simulation of Civil Engineering Project Based on Virtual Reality Technology by Zheng Wang, Chang Liu, Bin Song

“…This paper introduced the methods and principles of VR platform system and structure dynamic analysis, conducted virtual scene design and three-dimensional modeling of civil engineering project, analyzed the synthetic debugging and simulation roaming of the virtual environment, proposed the engineering model of virtual construction process and planning structure calculation, discussed the realization method of virtual project management and visualization, and finally performed the simulation and its result analysis of panoramic display and planning of civil engineering project based on VR technology. …”
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Methods of Forming Orthogonal Components of Input Signals for Relay Protection by F. A. Romaniuk, М. S. Loman, V. S. Kachenya

“…The essence of the method is the dynamic recalculation of the angle of one sample depending on the calculated frequency. The mathematical model for research of ways of formation of orthogonal components is presented. …”
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STATIC STIFFNESS MODELING AND SENSITIVITY ANALYSIS OF TBM PROPULSION MECHANISM by XU YouNan, CHEN Jie, LIU ZhiQiang

“…The lateral x-axis stiffness, the vertical y-axis stiffness and the steering stiffness are equal respectively, the distribution law of the stiffness deviation in all directions of the mechanism is the same and gradually decreases with the increase of the longitudinal displacement, the calculation deviation does not exceed 2%.…”
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Remote Control and Fault Diagnosis of Port Mechanical Equipment Based on Wireless Communication Technology by Yu Tu

“…The experimental results show that compared with the standard AP algorithm, the FastAP algorithm performs well in the sum of similarity, clustering accuracy, and clustering calculation time and has better performance, which is more suitable for fault diagnosis. …”
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Mathematical modeling methods in assessing the prospects of export development in the Republic of Tatarstan of the Russian Federation by Yu. A. Shakirova, A. A. Gataullina, N. I. Shamsutdinova

“…Tinbergen’s gravity model models of interaction among the regions have been built and forecast values of export volumes for the short term calculated. It was revealed that the Republic of Azerbaijan can become a potential partner for the Republic of Tatarstan. …”
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Shorten tables of estimated mortality for Cienfuegos province in 2014-2016 and 2017-2019 by Yenisvel Yut Vidal, Alfonso Farnós Morejón

“…<p><strong>Background</strong>: the calculation of life expectancy at birth and at different ages acquires certain relevance in socio-demographic contexts such as the Cuban one, where the lengthening of survival is one of the fundamental characteristics of demographic dynamics.…”
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Multiaxial fatigue criterion based on parameters from torsion and axial S-N curve by M. Margetin, R. Ďurka, V. Chmelko

“…Proposed criterion correctly calculates life time for boundary loading condition (pure torsion and pure axial loading). …”
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Task scheduling optimization strategy for roadside unit based on security strength by SU Beipo, DAI Liang, JU Yongfeng

“…This approach involved the development of a vehicle speed state model, a task encryption model, a data cache queue model, and a task calculation model, along with the formulation of an optimization objective function. …”
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Investigation of the isosteric heat of adsorption for supercritical methane on shale under high pressure by Shangwen Zhou, Hongyan Wang, Pengyu Zhang, Wei Guo

“…Based on the definition of IHA and Langmuir adsorption model, we proposed a new method to analyze the IHA of methane on shale under four conditions. The calculated results show that the commonly used Clausius–Clapeyron equation overestimates the true isosteric heat of shale, especially under high pressure. …”
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DIGITAL MARKETING AND CUSTOMER EXPERIENCE IN IBADAN, OYO STATE by Abiola Abass Carim, Kayode Muhammed Ibrahim, Solomon Olugbade Adedokun

“…The population is infinite, and Cochran's (1977) formula was used to calculate the sample size of 385. The hypothesis was tested using multinomial regression. …”
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Experimental Study on the Distribution Trends of Fouling on a Compressor Blade by Jie Tang, Dianrong Gao, Liwen Wang, Jinjian Huo

“…Based on JKR contact theory, a model for calculating the total thickness of the fouling layer on the blade surface was established. …”
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Growth Rates of  Morphometric Variables in Approximately Linear Sections Using Lines in R3 by Aquiles E. Darghan, Enrique Quevedo García, Sergio Esteban Gamboa Muñoz, Carlos Armando Rivera Moreno

“…The nonlinear nature of this and other associated models sometimes makes it difficult to construct approximate growth rates, so instantaneous rates are used instead. The calculation of approximate rates in nonlinear models may be inappropriate due to aspects related to the phrase known as the “average fallacy.” …”
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Carbon footprint heterogeneity across elderly groups in China by Yunyue Wang, Yafei Wang

“…Utilizing an environmentally extended multi-region input-output(EE-MRIO) model and data from 12,000 households, the carbon footprints of four subgroups was calculated. Findings reveal significant urban-rural and age-related heterogeneities in carbon emissions among those aged 60 and above. …”
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Selection of Characteristic Particle Size of Drilling Cuttings Based on Adsorption-Desorption Properties: Experiment and Simulation by Shouye Ma

“…The accuracy of the calculation results of the solver was verified by the derived analytical solution of the gas pressure change of coal particles without considering the adsorption. …”
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Analysis of the Impact of Ride-Hailing on Urban Road Network Traffic by Using Vehicle Trajectory Data by Zijun Liang, Wei Kong, Xuejuan Zhan, Yun Xiao

“…Following this, we calculated the average ratios of different kinds of vehicles on congested sections of the road network and used simple regression to analyze the relationship between this and the average speed on these sections to quantitatively analyze the impact of ride-hailing on traffic congestion. …”
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An Assessment of Geotechnical Characteristics of Gharraf Oil Field Area Using Electrical Resistivity Test by Shaia Hussein A.

“…Finally, the new generated empirical equation can be used to evaluate the ultimate bearing capacity of the soil rather than using the traditional widely used equations which require several inputs coefficients calculated using the extensive laboratory and field works. …”
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Biology of Predatory Fire Caterpillar, Sycanus sp. (Hemiptera: Reduviidae), when fed Alternative with Black Soldier Fly Maggots (Hermetia illucens) by Nadila Hayati, Rusli Rustam, Irwin Mirza Umami, Andriyani Prasetiyowati

“…Variables observed were egg, nymph, imago stadia, and the life cycle of Sycanus sp. The data were calculated, displayed as figures and tables, and given descriptive analysis. …”
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Prevalence Of Parafunctional Habits And Temporomandibular Disorder Symptoms In Young Individuals Reporting To Watim Dental Hospital by Aleshba Saba Khan, Aleeza Sana, Zarah Sufian, Ammarah Afreen, Asma Shakoor, Eruj Shuja

“…A descriptive analysis was calculated for both quantitative and qualitative variables. …”
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Optimization method of time of use electricity price considering losses in distributed photovoltaic access distribution network by Tianshou Li, Qing Xu, Weiwu Li, Xinying Wang, Zhengying Liu

“…Considering the topology structure of the distribution network after the integration of distributed photovoltaic, this paper calculates the comprehensive losses generated by the operation of the distribution network. …”
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