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4021
Thermo-mechanical response of aluminum alloy in the additive friction-stir deposition process
Published 2025-02-01“…This study focuses on the development of a plasticity-based computational model that employs a coupled Eulerian-Lagrangian (CEL) finite element methodology to analyze the thermo-mechanical response of the AA6061-T6 alloy in the AFSD process. …”
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4022
Identification method of wheel-rail two-point contact state in switch area
Published 2025-01-01“…Given the problem that the current dynamic wheel-rail contact state is challenging to detect, a theory to detect the two-point contact state of the wheel-rail in switch area using a discrete gauge column was presented and proved in the finite element model. This paper derived the relationship between strain gauge position and stress using a modified rail model. …”
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4023
The Effect of Excavation Disturbance on the Stability of Bedding Cataclastic Rock Mass High Slope Containing Multimuddy Interlayers
Published 2024-01-01“…Therefore, this paper modeled the unstable slope excavated at a waste incineration power plant in Yuxi, Yunnan, using the finite element strength reduction method. This approach was employed to comprehensively simulate the entire process of artificial multilevel excavation in a bedding cataclastic rock mass high slope containing multimuddy interlayers. …”
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4024
Optimization Design for Support Points of the Body-Mounted Solar Panel
Published 2024-12-01“…First, a new algorithm is proposed, based on the finite element method, to optimize the positioning of support points on the body-mounted solar panel without the need for remeshing. …”
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4025
Response Modification Factor of RC Frames Strengthened with RC Haunches
Published 2020-01-01“…The derived capacity curves were used to quantify overstrength and ductility factors of both as-built and retrofitted frames. Finite element- (FE-) based software SeismoStruct was used to develop representative numerical models, which were calibrated with the experimental data in simulating the time history response of structure roof displacement and in predicting peak roof-displacement and peak base shear force. …”
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4026
Use of Ceramic-Industry Wastewater in Sandy Subgrade Stabilization by Deep Mixing Method
Published 2023-08-01“…In the final stage, the efficiency of the mixture was studied using numerical modeling by finite element method. According to the results obtained from the experiments, it was found that adding 7.5% cement and 12.5% of dried wastewater, the UCS of sand increase from 0.005 MPa to 0.3 MPa and the sand elasticity modulus increase from MPa 5 to 65MPa. …”
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4027
Effects of Partial Supporting Pile Removal from Deep Foundation Pits by Shallow Excavation Method in Loess Areas
Published 2021-01-01“…Taking an actual deep and large foundation pit as an example, the finite element method (FEM) was adopted to study the surface settlement and the changing trend of the force and displacement of the supporting pile caused by cutting piles during the shallow excavation of double tunnels. …”
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4028
Dynamic Stress of Subgrade Bed Layers Subjected to Train Vehicles with Large Axle Loads
Published 2018-01-01“…A 3D train-track-subgrade interaction finite element (FE) model was constructed using the ABAQUS code, where different vertical irregular track spectra were simulated by modifying the vertical node coordinates of the FE mesh of the rail. …”
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4029
Interlayer Working Conditions Classification and Treatment Measures of Airport Asphalt Pavement Overlay
Published 2019-01-01“…In this study, a finite element model of asphalt overlay on airport pavement of Juba Airport in South Sudan was established, and the elastic modulus of overlay, thickness of overlay, running state of aircraft, variation trend of interlayer shear stress under the action of load and temperature were obtained. …”
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4030
Calculation and Control Methods for Equivalent Resilient Modulus of Subgrade Based on Nonuniform Distribution of Stress
Published 2019-01-01“…Thirdly, the subprogram of the finite element software is compiled and redeveloped based on the elastic constitutive model, and the calculation method for the resilient modulus of each point in the subgrade under the traffic load is proposed when the convergence criterion is set up. …”
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4031
Use of combined CZM and XFEM techniques for the patch shape performance analysis on the behavior of a 2024-T3 aluminum structure reinforced with a composite patch
Published 2022-09-01“…Current research aims to optimize the shape size and fiber's nature of this composite patch in order to ensure good load transfer by reducing the stresses in the damaged area. In this work, a finite element method is used to analysis the effect of the shape of the patch on the global response of a 2024-T3 aluminum structure in the presence of a central circular notch. …”
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4032
Deformation characteristics and fluid-solid coupled analysis of a super-deep circular foundation pit in soft soils
Published 2024-11-01“…As to the super-deep circular pit with excavation depth of 56.3 m in the deep tunnel project of Suzhou River in Shanghai, a fluid-solid coupled finite element analysis model based on the Biot consolidation theory was established. …”
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4033
Data analysis for performance index of plate heat exchanger filled by ionanofluid-oil: parallel versus counterflow
Published 2025-02-01“…The governing equations of Navier–Stokes and energy balance are solved numerically using the finite element method. The impact of different Reynolds numbers (Re) and solid concentrations (ϕ) of nanoparticles on the fluid velocity and temperature fields is observed, and various related parameters are calculated. …”
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4034
Sealant Delamination Detection of Structural Sealant Glazing Systems Based on Driving-Point Accelerance
Published 2020-01-01“…In addition, the influence of the acceleration sensor installation position was analysed by the finite element method, and the optimal sensor location was determined to be at the intersection of the long-side quarter and the short-side quarter. …”
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4035
Numerical Investigation and Design of Reinforced Concrete Shear Wall Equipped with Tuned Liquid Multiple Columns Dampers
Published 2021-01-01“…This is done by investigating the performance of the proposed TLWD through the finite element model (FEM) of a simplified representation of a 42-story building equipped with the multifunctional component. …”
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4036
Assessing Delayed Collapse Risks in Load-Bearing Reinforced Concrete Walls Exposed to Parametric Fires: A Numerical Investigation
Published 2024-08-01“…The critical aspect of this research is the modeling of the fire's cooling phase, which, though not commonly practiced in design offices, is essential for evaluating the risk of delayed structural collapse. Utilizing the finite element program SAFIR, numerical simulations were conducted on reinforced concrete walls to investigate their behavior during and post-cooling phase. …”
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4037
Reinforcement Effect of Inclined Prestressed Concrete Pipe Piles on an Inclined Soft Foundation
Published 2020-01-01“…Based on an actual engineering accident with embankment slope collapse, this study establishes a finite element model, accompanied by analysis of engineering characteristics and reinforcement effects of the foundation. …”
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4038
Constitutive Model and Fracture Criterion of Q345 Steel Welded Joints
Published 2022-01-01“…This provides experimental parameters for mechanical properties and fracture models of welded joints in structural engineering, refined finite element models considering material failure for structural numerical analysis, and basic data for evaluation and design of building structures, which have good social and economic benefits.…”
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4039
Humidity Sensor of D-shaped Silver-coated Optical Fiber based on SPR Effect
Published 2024-12-01“…In order to obtain the maximum SPR sensitivity of the sensor, the structure of D-type Ag-coated optical fiber is firstly modeled by COMSOL Multiphysics software, and the influence of polishing depth and Ag film thickness on the sensing characteristics is explored by finite element analysis. Then the structure is verified by experiments Validity and rationality of parameters. …”
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4040
Experimental and Numerical Evaluation of Shear Strength of Directly and Indirectly Loaded Flanged Recycled Self-Compacted Reinforced Concrete Deep Beams
Published 2020-01-01“…The ultimate strength calculated using ACI318-14 and AASHTO LRFD 2012 was on average 38% and 52% lower than the experimental data, respectively, which reflects the conservative nature of this approach. Finally, 3D finite element models were created to investigate the responses of the beams. …”
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