Mathematical Problems in Engineering
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Enhancing the Stability and Safety of Vehicle When Steering by Using the Active Stabilizer BarCentrifugal force is what causes the vehicle to roll over. This force is generated when the vehicle suddenly changes direction when moving at high speed. The solution of using a stabilizer bar is suggested to minimize this phenomenon. There are currently three types of stabilizer bars in use: mechanical stabilizer bars, hydraulic stabilizer bars, and electronic stabilizer bars. The content... ...
Mathematical Problems in Engineering - Tập 2022 - Trang 1-10 - 2022
c‐Bottlenecks in serial production lines: Identification andapplicationThe bottleneck of a production line is a machine that impedes the system performance in the strongest manner. In production lines with the so‐called Markovian model of machine reliability, bottlenecks with respect to the downtime, uptime, and the cycle time of the machines can be introduced. The two former have been addressed in recent publications [1] and [2]. The latter is investigated i... ...
Mathematical Problems in Engineering - Tập 7 Số 6 - Trang 543-578 - 2001
Nonlinear Modeling of Cables with Flexural StiffnessA geometrically exact formulation of cables suffering axis stretching and flexural curvature is
presented. The dynamical formulation is based on nonlinearly viscoelastic constitutive laws
for the tension and bending moment with the additional constitutive nonlinearity accounting
for the no‐compression condition. A continuation method, combined with a mixed finite‐difference
spatial dis... ...
Mathematical Problems in Engineering - Tập 2008 Số 1 - 2008
Model and Algorithm for Container Allocation Problem with Random Freight Demands in Synchromodal TransportationThis paper aims to investigate container allocation problem with random freight demands in synchromodal transportation network from container carriers’ perspective. Firstly, the problem is formulated as a stochastic integer programming model where the overall objective is to determine a container capacity allocation plan at operational level, so that the expected total transportation profi... ...
Mathematical Problems in Engineering - Tập 2015 - Trang 1-13 - 2015
A New Equivalent Statistical Damage Constitutive Model on Rock Block Mixed Up with Fluid InclusionsSo far, there are few studies concerning the effect of closed “fluid inclusions” on the macroscopic constitutive relation of deep rock. Fluid-matrix element (FME) is defined based on rock element in statistical damage model. The properties of FME are related to the size of inclusions, fluid properties, and pore pressure. Using FME, the equivalent elastic modulus of rock block containing fl... ...
Mathematical Problems in Engineering - Tập 2018 - Trang 1-11 - 2018
EMD Method for Minimizing the Effect of Seasonal Trends in Detrended Cross-Correlation AnalysisDetrended cross-correlation analysis (DCCA) is a scaling method commonly used to estimate long-range power-law cross-correlation in nonstationary signals. Recent studies have reported signals superimposed with trends, which often lead to the complexity of the signals and the susceptibility of DCCA. This paper artificially generates long-range cross-correlated signals and systematically inv... ...
Mathematical Problems in Engineering - Tập 2013 - Trang 1-7 - 2013
A TOU Pricing Mechanism to Promote Renewable Energy Consumption: The Case of the Western Inner Mongolia Grid in ChinaThe curtailment of wind power and photovoltaic power is becoming increasingly serious from the year 2012 to present in China. And the small installed capacity captive coal‐fired power plants have been developed rapidly aiming to cut production costs. Therefore, by the substitution of renewable energy for captive coal‐fired power plants, this paper establishes a time‐of‐use (TOU) pricing me... ...
Mathematical Problems in Engineering - Tập 2017 Số 1 - 2017
Assessing the Risks of Airport Airside through the Fuzzy Logic-Based Failure Modes, Effect, and Criticality AnalysisTo identify risk items, measure risk value objectively, and establish risk assessment matrix of airports is the major task of airport safety. This paper first extracts 14 risk items of airports from the International Civil Aviation Organization (ICAO) aviation accidents database and then applies Failure Modes, Effect and Criticality Analysis (FMECA) to define the decision factors of probab... ...
Mathematical Problems in Engineering - Tập 2013 - Trang 1-11 - 2013
Ảnh hưởng của phân chia dữ liệu đến hiệu suất của các mô hình học máy trong dự đoán độ bền cắt của đất Dịch bởi AI Mục tiêu chính của nghiên cứu này là đánh giá và so sánh hiệu suất của các thuật toán học máy (ML) khác nhau, cụ thể là Mạng Nơron Nhân Tạo (ANN), Máy Học Tăng Cường (ELM) và thuật toán Cây Tăng Cường (Boosted), khi xem xét ảnh hưởng của các tỷ lệ đào tạo đối với kiểm tra trong việc dự đoán độ bền cắt của đất, một trong những tính chất kỹ thuật địa chất quan trọng nhất trong thiết kế và xâ... ...
Mathematical Problems in Engineering - Tập 2021 - Trang 1-15 - 2021
#Học máy #độ bền cắt của đất #Mạng Nơron Nhân Tạo #Máy Học Tăng Cường #thuật toán Cây Tăng Cường #mô phỏng Monte Carlo #địa chất công trình #phân chia dữ liệu #chỉ số thống kê #kỹ thuật dân dụng
Peristaltic motion of a Johnson‐Segalman fluid in a planar channelThis paper is devoted to the
study of the two‐dimensional flow of a Johnson‐Segalman fluid in
a planar channel having walls that are transversely displaced by
an infinite, harmonic travelling wave of large wavelength. Both
analytical and numerical solutions are presented. The analysis
for the analytical solution is carried
out for small Weissenberg
numbers. (A Weissenberg number is the r... ...
Mathematical Problems in Engineering - Tập 2003 Số 1 - Trang 1-23 - 2003
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