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2019

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To Analysis Of The Stressed Condition And Long Durability Of Cylindrical And Conic Pipes Of Polymeric Materials, A. Abdusattarov, F.E. Abduqodirov, D.N. Shamsiyev Nov 2019

To Analysis Of The Stressed Condition And Long Durability Of Cylindrical And Conic Pipes Of Polymeric Materials, A. Abdusattarov, F.E. Abduqodirov, D.N. Shamsiyev

Journal of Tashkent Institute of Railway Engineers

The article considers the solution of the problem of long-term strength and damage of a conical pipe and a hollow cylinder bonded to a thin-walled shell under the action of internal pressure, taking into account the influence of visco-elastic properties of the material on the stress-strain state

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Development Of Economic And Mathematical Model Of Calculation Of Expenses At Processing Of Cars At Sorting Station, D.B. Butunov Nov 2019

Development Of Economic And Mathematical Model Of Calculation Of Expenses At Processing Of Cars At Sorting Station, D.B. Butunov

Journal of Tashkent Institute of Railway Engineers

In this article the model is developed for calculation of the expenses connected with processing of cars on marshalling yard. Methods of economic-mathematical modeling are applied. It is formulated technique for definition of expenses when processing cars on marshalling yard. Expenses, the cars connected with processing on the example of classification yard service of "Ch" JSC UTY are calculated. Dynamics and structure of expenses by types of works on processing of cars at the station "Ch" is considered

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Prospective Development Of The Railway Station Akhangaran-Tukimachi-Sirdarya, D.I. Ilesaliev, S.B. Sattorov Nov 2019

Prospective Development Of The Railway Station Akhangaran-Tukimachi-Sirdarya, D.I. Ilesaliev, S.B. Sattorov

Journal of Tashkent Institute of Railway Engineers

The planned China-Kyrgyzstan-Uzbekistan railway line is designed to connect East Asia with the Middle East and Southern Europe. However, aging of fixed assets of railways significantly reduces reliability and their throughput in the conditions of a continuously growing volume of freight traffic. This problem is associated not only with the development of new or improvement of existing technical solutions, but also with technological solutions related to planning, organizing and managing traffic flows in the future. After the launch of the China-Kyrgyzstan-Uzbekistan railway line, the Tukimachi station will become a major railway junction at the crossroads of North-South and East-West transport …

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Issues Of Regulation Of Train Locomotives Of The Railway Section Chukursay-Saryagash, M.N. Masharipov, Sh.M. Suyunbaev, M.M. Rasulmukhamedov Nov 2019

Issues Of Regulation Of Train Locomotives Of The Railway Section Chukursay-Saryagash, M.N. Masharipov, Sh.M. Suyunbaev, M.M. Rasulmukhamedov

Journal of Tashkent Institute of Railway Engineers

The successive arrival of freight trains to the station performing border control of trains leads to a glut of adjacent sections by trains, mainly due to the employment of border guard brigades. Without the use of operational solutions in such conditions, the reserve of bandwidth is reduced and the need for locomotives is increased due to hot downtimes when the train station is not accepted for border control. This article has developed a methodology for regulating train locomotives, which allows to increase the useful work of train locomotives. The developed methodology will assist engineers and technicians in the connection of …

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Method Of Upgrading A Cargo Transport Units, Avaz Mirsultanovich Merganov Nov 2019

Method Of Upgrading A Cargo Transport Units, Avaz Mirsultanovich Merganov

Journal of Tashkent Institute of Railway Engineers

The costs associated with handling and transport- warehousing operations reaching about half of the total costs of the transportation process. In this regard, it is necessary to study the issues of consolidation of cargo units, as this will increase productivity and minimize logistics costs. This article describes the search algorithm for the consolidation of cargo units. The study also provides mathematical models of the relationship between the parameters of a piece load, container and a standard pallet. The practical significance is to increase the utilization rate of the standard pallet, besides the proposed method will allow you to choose the …

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Mathematical Model Of Determining The Optimal Period Of Technical Maintenance Of The Special Self-Propelled Rolling Stock, Z.G. Mukhamedova Nov 2019

Mathematical Model Of Determining The Optimal Period Of Technical Maintenance Of The Special Self-Propelled Rolling Stock, Z.G. Mukhamedova

Journal of Tashkent Institute of Railway Engineers

The article covers the mathematical model for determining the optimum periodicity of maintenance, separately for mechanical, electrical and hydraulic equipment for emergency recovery vehicles

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Geometric Formation Of Schemes Of Technical Objects In Automated Design Systems, M.A. Khadzhimuhametova Nov 2019

Geometric Formation Of Schemes Of Technical Objects In Automated Design Systems, M.A. Khadzhimuhametova

Journal of Tashkent Institute of Railway Engineers

This paper discusses the issues of mathematical support for the formation of various schemes of complex technical objects for a computer-aided design subsystem. Information is given on the description of the station diagram using finite element methods. On the one hand, it is required that the mathematical model be as universal as possible (cover all types of de-signed schemes), accurate, algorithmically reliable. On the other hand, it is required to ensure the minimum cost of the required memory of com-puter time. These contradictions are eliminated by creating a bank of models. Models are planned from separate modules of structural and …

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Plots Of Pojected Sorting Selection Hill’S The Uncertainty In The Formulas Of The Peak Constructive And Technological, Shuxrat Umarxodjayevich Saidivaliev Nov 2019

Plots Of Pojected Sorting Selection Hill’S The Uncertainty In The Formulas Of The Peak Constructive And Technological, Shuxrat Umarxodjayevich Saidivaliev

Journal of Tashkent Institute of Railway Engineers

In the article, on the basis of theorems on the change of kinetic energy for a non-free material point in the final form of theoretical mechanics, formulas for determining the braking path of the car in the braking zone of the sorting hill are derived. With a known value of the acceleration during the braking of the car the path of the car braking section can also be determined by the formula of the path of elementary physics. In the article on the basis of the theorem on the change of kinetic energy for a non-free material point in the …

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Bibliometric Support Service For Researchers In Academic Libraries: An Example From National Medical Library At United Arab Emirates University, Khalid Pasha Nov 2019

Bibliometric Support Service For Researchers In Academic Libraries: An Example From National Medical Library At United Arab Emirates University, Khalid Pasha

Presentations

No abstract provided.

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Twitter And The Magic Pony, Singapore Management University Nov 2019

Twitter And The Magic Pony, Singapore Management University

Perspectives@SMU

London-based Magic Pony went from A.I. startup to a multimillion dollar cash-out in 18 months. Was selling to Twitter the right exit strategy?

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Effects Of Acute Normobaric Hypoxia On Memory Interference, Paul D. Loprinzi, Aala’A Matalgah, Lindsay Crawford, Jane J. Yu, Zhaowei Kong, Bo Wang, Shijie Liu, Liye Zou Nov 2019

Effects Of Acute Normobaric Hypoxia On Memory Interference, Paul D. Loprinzi, Aala’A Matalgah, Lindsay Crawford, Jane J. Yu, Zhaowei Kong, Bo Wang, Shijie Liu, Liye Zou

Faculty and Student Publications

© 2019 by the authors. Licensee MDPI, Basel, Switzerland. Purpose: Previous research has evaluated the effects of acute hypoxia exposure on cognitive function, notably executive function. No studies, to date, have evaluated the effects of acute hypoxia exposure on memory interference, which was the purpose of this experiment. Methods: A within-subjects, counterbalanced experimental design was employed, with condition (hypoxia vs. normoxia) and time (immediate vs. delayed) being the independent variables. Participants (N = 21; Mage = 21.0 years) completed two laboratory visits, involving 30 min of exposure to either hypoxia (FIO2 = 0.12) or normoxia (FIO2 = 0.21). Following this, …

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Jamming Transition In Non-Spherical Particle Systems: Pentagons Versus Disks, Y. Zhao, J. Barés, H. Zheng, Cacey Stevens Bester, Y. Xu, J. E. S. Socolar, R. P. Behringer Nov 2019

Jamming Transition In Non-Spherical Particle Systems: Pentagons Versus Disks, Y. Zhao, J. Barés, H. Zheng, Cacey Stevens Bester, Y. Xu, J. E. S. Socolar, R. P. Behringer

Physics & Astronomy Faculty Works

We investigate the jamming transition in a quasi-2D granular material composed of regular pentagons or disks subjected to quasistatic uniaxial compression. We report six major findings based on experiments with monodisperse photoelastic particles with static friction coefficient μ≈1. (1) For both pentagons and disks, the onset of rigidity occurs when the average coordination number of non-rattlers, Znr, reaches 3, and the dependence of Znr on the packing fraction ϕ changes again when Znr reaches 4. (2) Though the packing fractions ϕc1 and ϕc2 at these transitions differ from run to run, for both shapes the data from all runs with …

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Economic Design Of Acceptance Sampling Plans For Truncated Life Tests Using Three-Parameter Lindley Distribution, Amer Ibrahim Al-Omari, Enrico Ciavolino, Amjad D. Al-Nasser Nov 2019

Economic Design Of Acceptance Sampling Plans For Truncated Life Tests Using Three-Parameter Lindley Distribution, Amer Ibrahim Al-Omari, Enrico Ciavolino, Amjad D. Al-Nasser

Journal of Modern Applied Statistical Methods

A single acceptance sampling plan for the three-parameter Lindley distribution under a truncated life test is developed. For various consumer’s confidence levels, acceptance numbers, and values of the ratio of the experimental time to the specified average lifetime, the minimum sample size important to assert a certain average lifetime are calculated. The operating characteristic (OC) function values as well as the associated producer’s risks are also provided. A numerical example is presented to illustrate the suggested acceptance sampling plans.

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Linear Instability Of Inviscid Jets With Thermo-Capillarity, Abdullah M. Alsharif Nov 2019

Linear Instability Of Inviscid Jets With Thermo-Capillarity, Abdullah M. Alsharif

Applied Mathematics & Information Sciences

This study deals with the investigation of the temporal and spatial instability of inviscid jets with the effects of the thermal energy. The variation of surface tension causes Marangoni flow that affects drop formation and break-up of liquid jets. The governing equations are reduced into one-dimensional model using an asymptotic analysis. The dispersion relation for thermo-capillary inviscid liquid jets is derived to examine the behavior of the dimensionless parameter of the linear instability. Moreover, the growth rate and the maximum wavenumber are displayed along the jet.

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Improvements In Cluster-Based Routing To Protect Malicious Node Attacks On Taodv Routing Protocol Using Manet, N. Satheesh, K. Prasadh Nov 2019

Improvements In Cluster-Based Routing To Protect Malicious Node Attacks On Taodv Routing Protocol Using Manet, N. Satheesh, K. Prasadh

Applied Mathematics & Information Sciences

In MANET resources are trivial with a controlled environment with extreme mobility and do not have any centralized directorial control. Self-motivated topological variations occur because of the excellent mobility of the nodes for creating experiments in routing and constructing protected message passing. Here, the impact of WormHole (WH) Attack analyzed is by the Ad hoc On- Demand Distance Vector Routing Protocol (AO-DDRP) in the existence of WAs. Cluster formation is the mechanism for grouping wireless nodes in the form of clusters under CH for easy management of the network. The Hash Function (HF) proposed when there is a tie between …

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An Integrated Approach Of Statistical, Remote Sensing And Gis Techniques For Evaluation Of Vulnerable Cut Slopes, R. Chandrasekaran, P. S. Kumar Nov 2019

An Integrated Approach Of Statistical, Remote Sensing And Gis Techniques For Evaluation Of Vulnerable Cut Slopes, R. Chandrasekaran, P. S. Kumar

Applied Mathematics & Information Sciences

Road networks play a vital role in the socio-economic growth throughout the world. Over population in developing countries, such as India, cause destabilisation of hill slopes and movement of mass wasting. Stability of slopes is in hilly terrain is substantial for for proper planning, development, and maintenance of hilly roads. The present study contributes in mitigation processes, through slope stability and qualitative estimation of rock mass classification systems, in between Mettupalayam and Coonoor Ghat sections, Nilgiri District, Tamil Nadu, India. The Coonoor Ghat section (\mbox{NH-67}) plays a significant role in transportation which connects Nilgiri with Karnataka and Kerala. The geo-mechanical …

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Binomial Regressive Influence Behavior Ranking For Virtual Community Formation In Social Network, R. Gnanakumari, P. Vijayalakshmi Nov 2019

Binomial Regressive Influence Behavior Ranking For Virtual Community Formation In Social Network, R. Gnanakumari, P. Vijayalakshmi

Applied Mathematics & Information Sciences

A Social Network (SN) is a website which permits people to share the data about their personal or business endeavor to form the virtual community. Due to communication between the users in the SN, a similar users behavior identification causes a fundamental issue. The existing techniques still encounter the problem of identifying similar behavior accurately. Therefore, Statistic Dice Similarity Based Probabilistic Binomial Regression and Ranking (SDS-PBRR) method introduced. First, the similarity value between the users behaviors is calculated using Statistic Dice Similarity Coefficient (SDSC). Second, Probabilistic Binomial Regression Analysis is carried out to evaluate the similarity value and to classify …

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A New Processing Method For Signal And Image Analysis Using Discrete Wavelet Transform, S. P. Kesavan, R. Rajeswari Nov 2019

A New Processing Method For Signal And Image Analysis Using Discrete Wavelet Transform, S. P. Kesavan, R. Rajeswari

Applied Mathematics & Information Sciences

In this paper, we develop a new method for the analysis of signal and image data using Discrete Wavelet Transform (DWT). The new method reduces the size of the computing devices and consumes less energy. Out of different transformation techniques, the most famous and dominant architecture is the discrete wavelet transform. The discrete wavelet transform design optimization has done on power and leakage current reduction. New adders are proposed which are based on power gating and reversible logic. It is shown that the proposed adders reduce the dynamic power by about 30%. The proposed design in 45 nm and 32 …

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A Novel Hyperspectral Image Classification Technique Using Deep Multi-Dimensional Recurrent Neural Network, K. Thilagavathi, A. Vasuki Nov 2019

A Novel Hyperspectral Image Classification Technique Using Deep Multi-Dimensional Recurrent Neural Network, K. Thilagavathi, A. Vasuki

Applied Mathematics & Information Sciences

In this paper, a novel Multi-Dimensional Recurrent Deep Neural Network is proposed for classifying hyperspectral images. Deep Learning Networks have developed rapidly with applications in several fields including computer vision, healthcare, bioinformatics and machine learning. Multi-Dimensional Recurrent Deep Neural Networks are a special case of directed acyclic graph networks in which standard Recurrent Neural Networks are realized by giving recurrent connections along all spatio-temporal dimensions of the data and the recurrent connection size is equal to the dimension of the data. In this work, two Recurrent Neural Networks are replaced by one Multi-Dimensional Recurrent Deep Neural Network to learn middle-level …

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Analysis Of Tio2–Zno/Eg Hybrid Nanofluid Effect On Heat Transfer Enhancement, D. Nesakumar, R. Baskar Nov 2019

Analysis Of Tio2–Zno/Eg Hybrid Nanofluid Effect On Heat Transfer Enhancement, D. Nesakumar, R. Baskar

Applied Mathematics & Information Sciences

We employ 23 full factorial design to analyze the effect of temperature, volume fraction of hybrid nanofluids and channel height on heat transfer intensification through microchannel under laminar conditions. The range of temperature is varied from 30 ◦C to 50 ◦C and the volume fractions of hybrid nanoparticles TiO2/ZnO in ethylene glycol are varied from 1% to 4% and the channel height is varied from 200 μm to 400 μm. Using MINITAB 18 software, experiments were conducted with 24 runs using TiO2– ZnO/Ethylene glycol hybrid nanofluids in the rectangular microchannel heat exchanger. Based on this experimental study, various numerical simulations …

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Fitted Spectral Tau Jacobi Technique For Solving Certain Classes Of Fractional Differential Equations, Abeer Adel Al-Nana, Omar Abu Arqub, Mohammed Al-Smadi, Nabil Shawagfeh Nov 2019

Fitted Spectral Tau Jacobi Technique For Solving Certain Classes Of Fractional Differential Equations, Abeer Adel Al-Nana, Omar Abu Arqub, Mohammed Al-Smadi, Nabil Shawagfeh

Applied Mathematics & Information Sciences

In this paper, an efficient numerical technique, so-called the fitted spectral tau Jacobi (FSTJ), is presented to obtain the solutions of a class of fractional differential equations (FDEs) based on the Jacobi polynomials utilized as natural basis functions under the Caputo sense of fractional derivative. The solution methodology is based on the matrix-vector–product technique in Tau formulation of the model. A comparative study was conducted between the gained results in FSTJ method and other existing methods. Convergence and error analysis are presented to confirm the validity and feasibility of the proposed method for solving such problems. Numerical applications are given …

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Multi-Objective Sub-Linear Frequent Mining-Based Information Prediction In Biomedical Datasets Using Big Data Analytics, G. Elangovan, G. Kavya Nov 2019

Multi-Objective Sub-Linear Frequent Mining-Based Information Prediction In Biomedical Datasets Using Big Data Analytics, G. Elangovan, G. Kavya

Applied Mathematics & Information Sciences

Recently, big data applications have been rapidly expanded into various industries. Healthcare is one of the industries that are seek to use big data platforms and mining. As a result, some large data analytics tools have been adopted in this field. Medical imaging, which is a pillar in diagnostic healthcare, involves a high volume of data collection and processing. The most challenging issue is common in sub-graph mining process to reduce the dimensionality of medical data set is minimized. In this paper, we propose a Multi-Objective Sub-Linear Frequent Mining (MOSLFM) to estimate the real values of outline processing in biomedical …

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Qualitative Analysis Of A Sir Epidemic Model With A Nonlinear Relapse And Incidence Rate Stochastically Perturbed, Abdelaziz Assadouq, Adel Settati, Ali El Myr Nov 2019

Qualitative Analysis Of A Sir Epidemic Model With A Nonlinear Relapse And Incidence Rate Stochastically Perturbed, Abdelaziz Assadouq, Adel Settati, Ali El Myr

Applied Mathematics & Information Sciences

In this paper, we analyze a stochastic SIR epidemic model in a constant population with a relapse and nonlinear perturbation. First, we illustrate show that the system has a unique global positive solution that belongs to a positively invariant set. Then, we obtain sufficient conditions for the extinction and persistence in the mean. Finally, numerical simulations are carried out to illustrate the theoretical results.

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Analytical Solutions Of Incompressible Couple Stress Fluid Flows, Imran Siddique, Yousra Umbreen Nov 2019

Analytical Solutions Of Incompressible Couple Stress Fluid Flows, Imran Siddique, Yousra Umbreen

Applied Mathematics & Information Sciences

In the present article, we intend to solve the Stokes first and second problems for an incompressible couple stress fluid under isothermal conditions. The solutions of the considered problems are obtained by the Laplace transform (LT) as for the time variable $t$ and the sine Fourier transform (FT) as for the $y$-variable. It ought be noticed that by suitable manipulations of the inverse integral transforms, fluid velocity expressions are written as the sum of steady-state (post-transient solution) and transient solutions. Further, we wish to give a comparison of the obtained results and the results obtained by Devakar and Lyengar \cite{1} …

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A Fuzzy Responsibility-Based Access Organizer For Leukemia Record Protection Using Kwatts Algorithm, B. Shuriya, A. Rajendran Nov 2019

A Fuzzy Responsibility-Based Access Organizer For Leukemia Record Protection Using Kwatts Algorithm, B. Shuriya, A. Rajendran

Applied Mathematics & Information Sciences

The importance of classifying cancer patients into high to low-risk groups has led many research teams to study the application of machine learning (ML) methods. Here, the leukemia dataset is used for classification to diagnosis the disease. The proposed K-Watts classifying algorithm, compared to other classification algorithms, yields the lowest error rate. The purpose of the reproduction for record protection is to represent a clear idea about the new Fuzzy Responsibility- Based Access Organizer (FRBAO). The projected reproduction provides the wider society safe plans, or with access to the organized mode in MultiPlan hypothesis, using fuzzy constraints. The view part …

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Stochastic Model Of Crude Oil Spot Price Process As A Jump-Diffusion Process, Chisara Peace Ogbogbo Nov 2019

Stochastic Model Of Crude Oil Spot Price Process As A Jump-Diffusion Process, Chisara Peace Ogbogbo

Applied Mathematics & Information Sciences

Although crude oil is a major source of energy throughout the world, unexpected jumps in its price cause remarkable economic events globally. Countries such as Nigeria and Venezuela, whose major foreign exchange earner is crude oil. have experienced economic recession because of the recent huge drop in its price. Thus, understanding the dynamics of its price has become necessary. Moreover, obtaining a model that properly describes crude oil spot price movement is useful for strategic investment planning, managing market risks and even for short time forecasting. Crude oil price exhibits jumps, so Gaussian models will fail to capture the real …

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Effect Of Initial Stress On The Electromechanical Coupling And The Bleustein-Gulyaev Wave In A Transversely Isotropic Piezoelectric Layered Structure, Rawan A. Bossly Nov 2019

Effect Of Initial Stress On The Electromechanical Coupling And The Bleustein-Gulyaev Wave In A Transversely Isotropic Piezoelectric Layered Structure, Rawan A. Bossly

Applied Mathematics & Information Sciences

The present paper investigates the electromechanical coupling and the propagation of Bleustein–Gulyaev (B-G) wave in a transversely isotropic piezoelectric composed half-space under the effect of initial stress. It also addresses the dispersion relation of the Bleustein-Gulyaev wave. The suitable electrical and mechanical boundary conditions are considered for the electric potential, and electric displacements. The dispersion relation is computed numerically and illustrated graphically for the electric open and short cases for different thicknesses of the layer and wave number under the effect initial stress. The results indicate that the Bleustein-Gulyaev wave and electro-mechanical coupling factor are influenced by initial stress and …

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Dynamic Channel Assignment And Gateway Load Balanced Routing For Multi-Channel Wireless Mesh Networks, K. Saravanan, A. Chilambuchelvan Nov 2019

Dynamic Channel Assignment And Gateway Load Balanced Routing For Multi-Channel Wireless Mesh Networks, K. Saravanan, A. Chilambuchelvan

Applied Mathematics & Information Sciences

In this paper, we propose the dynamic channel assignment and Gateway (GW) load balanced routing protocol. In this protocol, a combined cost metric is determined incorporating channel quality, switching cost and queue length. Then the GW having the minimum cost metric is selected by the source node. Then channels are fairly assigned in the network by the selected GW between itself and the mesh clients. In GW load balanced routing, the GW selects a path with the minimum load based on the interface queue length. Congestion is detected at any intermediate router based on Exponentially Weighted Moving Average (EWMA) of …

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Written In Black, White, And Red: An Exploration Of Civilizer Theology In American History, Jeremy Mcginniss Nov 2019

Written In Black, White, And Red: An Exploration Of Civilizer Theology In American History, Jeremy Mcginniss

Master's Theses

This paper proposes an extended definition and discusses examples of civilizer theology within the perceptions and practices of white Protestant American Christianity faith traditions. Civilizer theology is defined as a self-referential, self-fulfilling framework actively shaping the expectations, behaviors and practices of societal norms driving cultural practices. Examples are selected as guided by three significant and interdependent dispositions characterizing civilizer theology: cultural decay/moral decline, authority, and violence. This paper hypothesizes theological interpretation, application and exegesis, mediated by the three dispositions, are deliberately applied to support socio-economic, cultural and political ends with the goal of maintaining power structures benefiting a particular group.

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Turbidity And Ion Concentrations Vary With Land Use And Underlying Geology At The West Fork Of The White River, Erin E. Scott, Brian E. Haggard Nov 2019

Turbidity And Ion Concentrations Vary With Land Use And Underlying Geology At The West Fork Of The White River, Erin E. Scott, Brian E. Haggard

Arkansas Water Resources Center Technical Reports

The West Fork of the White River (WFWR) watershed in northwest Arkansas is a trans-ecoregion watershed and is experiencing land-use changes, especially in the downstream portion of the watershed. The entire 54-km long river has been on the State’s 303(d) list of impaired waterbodies for turbidity, total dissolved solids (TDS), and sulfate for many years. The purpose of this study was to identify which part(s) of the river fail to meet applicable water quality standards (WQS) and to investigate possible sources of pollutants, whether human-caused or naturally occurring. Water samples were collected once or twice a month at 9 sites …

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