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1581
Blade Serial Number Identification Based on Blade Tip Clearance without OPR Sensor
Published 2021-01-01“…According to the finite element simulation and experimental data, the accuracy of the blade serial number identification method based on blade tip clearance is verified by using the OPR sensor method. …”
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1582
Condition monitoring of a surface mounted permanent magnet‐type brushless direct current motor using remodelling of rotor magnetic field and stator winding inductance
Published 2021-06-01“…Both the machine quantities under healthy operating conditions are estimated based on the motor geometry and validated numerically using finite element based methods. The experimental investigation validates the results obtained through given modelling techniques. …”
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1583
Application of the Modified Mohr–Coulomb Yield Criterion in Seismic Numerical Simulation of Tunnels
Published 2021-01-01“…The modified Mohr–Coulomb constitutive model is developed using the user-defined material subroutine (UMAT) available in finite element software ABAQUS, and the modified Mohr–Coulomb yield criterion is applied to construct a numerical simulation of a shaking table model test. …”
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1584
Study on the Cracking Mechanism of Arch Foot of CFST Tied Arch Bridge Based on Multiscale Numerical Simulation
Published 2022-01-01“…In order to study the causes of arch foot cracking, a multiscale numerical simulation method was used to establish the finite element model of Xizha Bridge during the construction stage of the Xiaoqing River restoration project in Jinan by using Midas Civil, and the internal forces under adverse conditions were extracted. …”
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1585
Ultrahigh effective mode area photonic crystal fibers with extremely low bending loss for long distance transmission application
Published 2025-02-01“…A full-vectorial finite element method (FEM) approach is considered with perfectly matched layer (PML) boundary for hybrid cladding with fluorine-doped silica holes in the cladding. …”
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1586
STUDY ON THE MECHANISM OF INFLUENCE OF INTERNAL GEAR RING FLEXIBILITY ON THE BIAS LOAD BEHAVIOR OF AERONAUTICAL PLANETARY GEAR SYSTEM
Published 2025-01-01“…The planetary gear system is widely used in aircraft transmission equipment because of its small size, light weight and large load capacity,but the problem of bias load caused by various errors cannot be avoided, and a serious bias load condition will lead to under utilization of the advantages of the planetary system cannot be fully exploited.The influence mechanism of the flexible change of the inner gear ring on the bias load behavior of the system was investigated by taking a certain type of aeronautical planetary gear system as the research object.The deflection,stress and strain of the inner gear ring were measured by experiments with different number of planets and different rim thicknesses, and the mechanism of bias load was analyzed and the degree of influence of the number of planets and rim thickness on the bias load behavior of the system was evaluated.The advanced simulation calculation and analysis of a large aeronautical planetary system was completed by using a hierarchical finite element model to quantify the influence mechanism of the variation of inner gear ring flexibility on the load distribution and gear ring deflection of the system.The accuracy of the simulation results was evaluated by fitting the experimental and simulation results to the same parameter range for comparison.The research results provide targeted structural optimization guidance for the development and design of internal gear rings of large aeronautical planetary gear systems, which can greatly reduce the cost of this type of large aeronautical equipment in the design and iteration process.…”
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1587
Estimation of Wheelset Natural Vibration Characteristics Based on Transfer Matrix Method with Various Elastic Beam Models
Published 2021-01-01“…Both bending and torsional modes are compared with that of the finite element (FE) model. For the wheelset bending modes, if the wheel axle is modelled as the Euler–Bernoulli beam and Timoshenko beam, the natural frequencies can be reflected accurately, especially for the latter one. …”
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1588
Vibration Bandgaps of Piezoelectric Metamaterial Plate with Local Resonators for Vibration Energy Harvesting
Published 2019-01-01“…Then, effects of geometric and material parameters on vibration bandgaps are analyzed by finite element-based simulations. In the end, experiments are carried out to validate the simulated results. …”
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1589
Prediction and design optimization of mechanical properties for rubber fertilizer hose reinforced with helically wrapped nylon
Published 2024-06-01“…This study aims to enhance the service life of HWNR hoses and the efficiency of liquid fertilizer transport. First, a finite element simulation model and a mathematical model were established to analyze the influence of fiber layer arrangement on the maximum shear strain on the coaxial surface (MSS) and the reaction force on the extrusion roller (RF). …”
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1590
Analytical Solution for Steady-State Seepage Field of Foundation Pit During Water Curtain Leakage
Published 2025-01-01“…Calculations were compared using finite element software and other references, and the results were in good agreement, verifying the correctness of the analytical solution. …”
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1591
Improvement of Composite Beam with Web Opening Using Posttensioning Tendons under Static and Cyclic Loadings
Published 2024-01-01“…To achieve the desired objective, 18 mechanical models have been developed using ABAQUS by considering the shape and location of the web opening, span/depth ratio, and degree of connection as study parameters. The finite element analysis result was validated with experimental results from relevant literature. …”
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1592
Low fluctuation stiffness design method for vibration reduction of helical gears
Published 2025-01-01“…Then it was compared with the finite element method to verify the correctness and effectiveness of the parameter design method and the analytical mesh stiffness model. …”
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1593
Surface Settlement Damage Model of Pile-Anchor Supporting Structure in Deep Excavation
Published 2020-01-01“…Based on this established method, finite element analysis software was used to calculate the surface subsidence for a field case, and the numerical results were compared with monitoring data in the field. …”
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1594
Influence of Foundation Rigidity on the Structural Response of Mat Foundation
Published 2021-01-01“…To accomplish the objective of the study, 70 different mats are analyzed using a linearly elastic finite element approach. The variables that are considered in the analysis are the number of bays in each direction, center-to-center column spacing, mat thickness, panel aspect ratio, column cross section dimensions, soil modulus of subgrade reaction, and modulus of elasticity of concrete. …”
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1595
Fatigue Life Assessment of Orthotropic Steel Deck with UHPC Pavement
Published 2017-01-01“…This paper aims at presenting the numerical analysis on the fatigue performance of the orthotropic steel deck using ultrahigh performance concrete (UHPC) overlay as the deck pavement instead of the conventional asphalt concrete pavement. By using finite element method (FEM) model, stress distribution at fatigue sensitive locations under the action of wheel loads is characterized and the obtained stress ranges indicate that the UHPC pavement significantly reduces the magnitude of the stress peak valued. …”
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1596
Simulation of the Electro-Superconducting System Based on the H Equation
Published 2022-01-01“…In order to reduce the levitation energy consumption and increase the levitation air gap, a simulation study of the electrochemistry superconducting magnetic levitation system based on the H equation is proposed. Through finite element simulation, the magnetic field distribution, current distribution, force, and other characteristics of the magnetic suspension system in the superconducting gravimeter are obtained; the relationship between the force of the superconducting ball in the magnetic field and the height of the suspension body and the current of the suspension coil is analyzed; and the penetration rate, the magnetic gradient, penetration depth, and maximum magnetic induction intensity of the superconducting spherical surface of the single-coil electrochemistry superconducting magnetic levitation system are obtained by simulation calculation. …”
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1597
CALCULATION OF INDUCTANCE OF THE INTERIOR PERMANENT MAGNET SYNCHRONOUS MOTOR
Published 2017-03-01“…The results obtained with the use of the proposed analytical method and the finite element method are presented in the form of a graph; the calculations that have been obtained by these two methods were compared.…”
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1598
Strengthening of Steel Columns under Load: Torsional-Flexural Buckling
Published 2016-01-01“…The study includes results gained from finite element models of the problem created in ANSYS software. …”
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1599
Improving the Stability of Mining Slopes in Tarcha Coal Mine, Southwestern Ethiopian Deposit Through Geometric Adjustments
Published 2024-01-01“…This study aims to assess and enhance the stability of the selected open-pit coal mine quarries through field and laboratory analyses, supported by the limit equilibrium method (LEM) and the finite element method (FEM). Fieldwork involved detailed measurements of slope geometry and orientation, in situ rock testing, and soil and rock sampling for laboratory analysis. …”
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1600
Seismic Fragility Analysis of the Reinforced Concrete Continuous Bridge Piers Based on Machine Learning and Symbolic Regression Fusion Algorithms
Published 2021-01-01“…Taking the pier of a three-span continuous reinforced concrete hollow slab bridge as an example, a nonlinear finite element model was established for vulnerability analysis. …”
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