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381
Numerical Study on the Fracture Properties of Concrete Shield Tunnel Lining Segments
Published 2021-01-01“…Three-dimensional numerical models of shield tunnel lining segments with initial cracks are built using the Symmetric Galerkin Boundary Element Method- (SGBEM-) Finite Element Method (FEM) Alternating Method. The cracking load and ultimate load of the tunnel segments are obtained, and crack propagation under fatigue load is also simulated by employing the Paris Fatigue Law. …”
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382
Investigation on the Band Gap and Negative Properties of Concentric Ring Acoustic Metamaterial
Published 2018-01-01“…The acoustic characteristics of 2D single-oscillator, dual-oscillator, and triple-oscillator acoustic metamaterials were investigated based on concentric ring structures using the finite element method. For the single-oscillator, dual-oscillator, and triple-oscillator models investigated here, the dipolar resonances of the scatterer always induce negative effective mass density, preventing waves from propagating in the structure, thus forming the band gap. …”
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383
An Investigation into the Response of GFRP-Reinforced Glue-Laminated Tudor Arches
Published 2012-01-01“…Subsequently, an experimental investigation was conducted to verify the results established by the finite element method as well as the integrity of actual GFRP-reinforced glue-laminated curved structures. …”
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384
A Numerical Study on the Progressive Failure of 3D Four-Directional Braided Composites
Published 2013-01-01“…Then, based on the periodical boundary conditions, a RVE-based micromechanical model by using the nonlinear finite element method has been presented to predict the progressive damage and the strength of 3D braided composites subjected to tensile loading. …”
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385
Effect of Interlayer Stress on U Bends and Water Droplet Bends
Published 2022-01-01“…This article discussed three sensitive locations of the flexible AMOLED panel caused by two different bending methods including U bends and water droplet bends. The finite element method for simulating the layer analysis was constructed to analyze the effect of optically clear adhesive (OCA) film thickness on the distribution of stress and strain. …”
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386
Time-Delayed Acceleration Feedback Control of a Single-Link Flexible Manipulator Using Kalman Filter
Published 2021-01-01“…The dynamical model of a single-link flexible manipulator system is presented by the adoption of the finite element method and Lagrange’s equation. Based on the random-walk process and the discrete reduction method, an augmented discretized delay-free state derivate space equation containing the random noise is established. …”
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387
Experiment and Simulation Investigation on the Tensile Behavior of Composite Laminate with Stitching Reinforcement
Published 2011-01-01“…Secondly, the finite element method (FEM) is employed to simulate the tensile process of specimens, and the link element is introduced to simulate the stitching. …”
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388
RESEARCH ON SINGLE-LEAF WALLS MADE WITH LIGHTENED CLAY BRICKS
Published 2016-09-01“…The internal and external geometry of the bricks has been studied by the Finite Element Method (FEM). Different wall assemblies with these bricks have been studied. …”
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389
Fault Characteristics Analysis of High-Speed Train Transmission Systems
Published 2022-01-01“…The governing equation and boundary conditions of the transmission system are derived using the finite element method, in which a Timoshenko beam element is introduced to represent the wheelset shaft, and a rigid mass element is utilized to represent the gears, bearings, and wheels. …”
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390
Enhancement Modelling Based on Electrical Discharge Machining Successive Discharges
Published 2022-01-01“…To begin with, the EDM single pulse discharge machining process was accurately simulated using the finite-element method (FEM). The surface topography under various discharge settings, the size, and the characteristic parameters of a single-pulse crater are simulated. …”
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391
In-Plane Vibration Analysis of Square Plate with Multiple Cutouts
Published 2021-01-01“…The in-plane eigenmodes of the plates with different square cutouts are compared with the results obtained from the finite element method (FEM), with good agreements. The influences of the cutouts on the in-plane vibration characteristics of the plates with cutouts are investigated by varying the number, size, and position of the cutouts.…”
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392
Numerical Investigation of Fracture Behavior for Glass Fiber Composite Concretes
Published 2024-12-01“…Accordingly, this comprehensive and computational research is conducted to investigate the fracture behavior of notched glass fiber reinforced concrete beam modeled with finite element method. The impacts of substitution ratios of the waste on strains and crack opening displacements of validated beam models are investigated and argued. …”
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393
Slope Stability Analysis under Complex Stress State with Saturated and Unsaturated Seepage Flow
Published 2021-01-01“…Firstly, an elastoplastic constituted model for the soil under a complex stress state is established and as a user subroutine of the finite element method code of FLAC. Secondly, the 2D and 3D problems of slope stability influenced by the saturated or unsaturated seepage flow are analyzed via the finite difference method with the influence of the complex stress state. …”
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394
A Normalized Transfer Matrix Method for the Free Vibration of Stepped Beams: Comparison with Experimental and FE(3D) Methods
Published 2017-01-01“…The comparison between the NTM method and the finite element method results shows that the modal percentage deviation is increased when a beam step location coincides with a peak point in the mode shape. …”
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395
Progressive Multifocal Liquid Lenses Based on Asymmetric Freeform Surface Structure of Nonuniform Thickness Elastic Membranes with Different Constraints
Published 2019-01-01“…The membrane deformation and the corresponding power distribution of the lenses with asymmetric freeform surface are predicted and compared under uniform pressure load and different boundary conditions using the finite element method. An optical testing system is constructed to analyze the optical characteristics of the fabricated lenses through observing the focusing performance of the F target image at different regions of the lenses. …”
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396
Experimental and Numerical Vibration Analysis of Hydraulic Pipeline System under Multiexcitations
Published 2020-01-01“…A numerical MOC-FEM approach which combined the coupling method of characteristics (MOC) and finite element method (FEM) is proposed to solve the equations. …”
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397
PDE Modeling of a Microfluidic Thermal Process for Genetic Analysis Application
Published 2013-01-01“…These equations are solved analytically, and the results are verified using an experimentally verified precise finite element method (FEM) model. The final combined result is a framework for designing a precise tracking controller applicable to the selected lab-on-a-chip device.…”
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398
Effects of Gravity and Inlet/Outlet Location on a Two-Phase Cocurrent Imbibition in Porous Media
Published 2011-01-01“…Two-dimensional computations are carried out using the finite element method. Intensive comparisons are done between considering and neglecting gravity effect on water saturation, pressures of water and oil as well as water velocity. …”
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399
Behavior of Zr�1Nb alloy in coarse- and ultrafine-grain states under laser-induced shock wave loading
Published 2023-10-01“…Numerical simulation of the process under study has been carried out using statistically based nonlinear model of solid with defects and finite element method to describe the deformation behavior and fracture of the material under shock-wave loading. …”
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400
Effect of Variable Thermal Conductivity on the Generalized Thermoelasticity Problems in a Fiber-Reinforced Anisotropic Half-Space
Published 2019-01-01“…The time-domain finite element method is applied to analyze the nonlinear problem and derives the governing equations. …”
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