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3801
Fracture Mechanical Behavior of Cracked Cantilever Roof with Large Cutting Height Mining
Published 2020-01-01“…Finally, the accuracy of the theoretical model was verified by numerical experiments using the extended finite element method. The results demonstrate that the size of the area affected by the vertical crack increases with the increase of the crack size and the thickness of the roof. …”
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3802
Experimental and Numerical Study of Mechanical Properties of Concrete Containing Biochar
Published 2024-06-01“…The experiment aimed to determine the mechanical characteristics of biochar-containing concrete using a concrete grade M20, cube moulds of dimension 100mm x 100mm x 100mm; cylinder moulds of 100mm x 200mm and beam formwork of dimension 150mm x 150mm x 1000mm were used to cast the control concrete sample and concrete containing varying percentages of biochar. Finite element analysis was also carried out using the ABAQUS program, utilizing concrete properties discovered through experimental study. …”
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3803
Study on the law of air leakage in goaf under the influence of double-series coal seam mining
Published 2025-01-01“…In order to solve the engineering problem of a large amount of wind leakage in the 8106 comprehensive mining working face of the Carboniferous System under the influence of overlapping mining of two coal seams in Yongdingzhuang Mine, Datong Mining Area, this paper utilizes finite element numerical simulation software to study the wind leakage characteristics of the 8106 working face and the distribution range of the spontaneous combustion “three zones” of the mining area. …”
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3804
Optimization Analysis Method of New Orthotropic Steel Deck Based on Backpropagation Neural Network-Simulated Annealing Algorithm
Published 2021-01-01“…To study the effects of the fatigue performance due to the major design parameter of the orthotropic steel deck and to obtain a better design parameter, a construction parameter optimization method based on a backpropagation neural network (BPNN) and simulated annealing (SA) algorithm was proposed. First, the finite element (FE) model was established, and the numerical results were validated against available full-scale fatigue experimental data. …”
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3805
Nonlinear conductive behavior of MoS2/PDMS composites for self-adaptive electrostatic protection
Published 2025-02-01“…Mechanism analysis confirms the contribution of processes such as Ohmic behavior, Schottky emission, and F-N tunneling to the nonlinear conductivity of composites. Finite element simulations show that the increase in filler forms more conductive channels, which reduces the Eb. …”
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3806
Studying Maximum Plantar Stress per Insole Design Using Foot CT-Scan Images of Hyperelastic Soft Tissues
Published 2016-01-01“…In this paper, by Finite Element Method, maximum stress value and stress distribution of plantar were studied for different insoles designs, which are the flat surface and the custom-molded (conformal) surface. …”
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3807
Design and experimental research of pipeline stress measurement system based on alternating current field
Published 2023-10-01“…Herein, a simulation model of pipeline stress measurement was established by the finite element software COMSOL based on the alternating current field stress measurement (ACSM) technology. …”
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3808
Factor’s Influence Analysis of Frost Heave during the Twin-Tunnel Construction Using Artificial Horizontal Ground Freezing Method
Published 2020-01-01“…In order to analyze the influence of different twin-tunnel parameters on the frost heave of the ground, six tunnel clear distances (0.25 D, 1.00 D, 1.50 D, 2.00 D, 2.50 D, and 3.00 d), three tunnel buried depths (6 m, 12 m, and 18 m), and two freezing orders (simultaneous freezing and sequential freezing) are selected to establish the two-dimensional numerical calculation models, using ABAQUS finite-element program and the user subroutine of frost heaving deformation, and considering the orthotropic deformation characteristics of frozen soil. …”
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3809
In-Plane Cyclic Response of Separated Masonry Infill Walls Using Polymeric Materials at the Surrounding Steel Frames Interface Using 3D FE Analysis
Published 2023-08-01“…Isolation of the masonry infill wall from the surrounding frame by polymeric material is the idea of this paper to decrease the damage to the structure and masonry infill. In this essay, Finite element models of steel infill frame and isolated infill frame subjected to In-Plane cyclic loading are developed in ABAQUS. …”
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3810
The importance of sub-meter-scale snow roughness on conductive heat flux of Arctic sea ice
Published 2024-01-01“…We use high horizontal resolution (3–15 cm) measurements of snow topography to explore the impacts of sub-meter-scale snow surface roughness on heat flux as simulated by the Finite Element method. Simulating horizontal heat flux in a variable snow cover modestly increases the total simulated heat flux. …”
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3811
Elastodynamic modeling and analysis of a 4SRRR overconstrained parallel robot
Published 2025-02-01“…Comparing the results with the finite element method (FEM) established using Ansys software, it is found that even when the rods are considered single elements the error in the first three natural frequencies does not exceed 3.5 %. …”
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3812
Stress wave attenuation and damage patterns of shale under methane/oxygen explosion
Published 2024-12-01“…We obtained the attenuation patterns of stress wave in shale reservoir through dimensionless analysis. We used the finite element software ANSYS/LS-DYNA to establish models of different working conditions for analyzing the number of cracks and damage evolution patterns of shale caused by explosion. …”
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3813
Aortic Blunt Trauma Analysis during a Frontal Impact
Published 2021-01-01“…A 150 ms time numerical simulation was developed through the finite element method (MEF), and the model was analyzed simulating a compression load on the artery at its front location. …”
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3814
Numerical heat transfer analysis considering thermal contact conductance between rough reciprocating sliding surfaces
Published 2025-01-01“…Considering the dynamic changes in the thermal contact conductance and friction coefficient, the heat transfer equations which consist of heat exchange due to temperature difference and frictional heat generation at the sliding interface have been established. A finite element heat transfer model is constructed between two rough reciprocating sliding surfaces. …”
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3815
Research on Cumulative Damage Characteristics of Rock Anchor Beam Concrete Supporting Structure by Blasting Vibration of Underground Powerhouse
Published 2021-01-01“…Aiming at the dynamic disturbance problem of the upper rock anchor beam concrete support structure caused by the blasting excavation of the lower rock mass of the underground powerhouse of the hydropower station, the dynamic finite element software was used to numerically simulate the cumulative damage characteristics of the rock anchor beam concrete structure under multiple blasting, which aims to study the effect of blasting times and blast center distance on the cumulative damage characteristics of rock anchor beam concrete structures in two directions at different ages. …”
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3816
Defect prediction and experimental study on investment casting of K4169 superalloy complex thin-walled parts
Published 2025-01-01“…The filling and solidification processes in investment casting of typical K4169 nickel-based superalloy complex thin-walled casting are simulated by ProCAST finite element software.The temperature field during the casting process is analysed to predict the formation of defects. …”
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3817
Impact of Cell Layout on Bandwidth of Multi-Frequency Piezoelectric Micromachined Ultrasonic Transducer Array
Published 2024-12-01“…The mechanism was investigated from the coupling point of view by finite element analysis and laser Doppler vibrometry, focusing on the cell displacements. …”
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3818
Study on influence of types and numbers of inner-layer shape on failure mechanism of layered alumina ceramic under three-point bending and bending fatigue load
Published 2025-01-01“…In this paper, the failure mechanism of Layered Alumina Ceramic (LAC) with different types and numbers of inner-layer shapes was investigated under three-point bending (TPB) and bending fatigue load. Moreover, finite element analysis (FEA) models were established. …”
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3819
Nacre-mimetic alternating architecture of AgSnO2 contact: Highly-efficient synergistic enhancement of in-situ self-repairing erosion resistance and naturally evolving impact resis...
Published 2025-01-01“…The mechanistic link between microstructural evolution and dynamic erosion is studied through experiments combined with Computational Fluid Dynamics (CFD) and Finite Element Method (FEM) simulations. Results show that the reconstructed SnO2 skeleton endowed with a highly continuous and anisotropic ‘flowering'-like structure forms a continuous interpenetrating network with Ag, optimizing the conductive pathways on the molten pool surface. …”
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3820
Study on Long-Term Dynamic Mechanical Properties and Degradation Law of Sandstone under Freeze-Thaw Cycle
Published 2020-01-01“…Also, the dynamic compressive strength and dynamic elastic modulus of sandstone are analysed under different loading strain rates and freeze-thaw cycle based on LS-DYNA, a dynamic finite element program. The results showed that the dynamic compressive strength of sandstone subjected to multiple freeze-thaw cycles under 0.04 MPa air pressure has a greater damage ratio than that under 0.055 MPa and 0.07 MPa air pressure, which was more likely to cause damage to slope sandstone than in actual engineering; the dynamic compressive strength and elastic modulus of sandstone decrease greatly within a certain range of freeze-thaw cycles and loading strain rate, leading to significant deterioration. …”
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