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4081
Optimization of Magnesium Alloy Wheel Dynamic Impact Performance
Published 2019-01-01“…Damping test methods were designed to establish the damping performance parameters of the magnesium alloy material. A finite element analysis model of magnesium alloy wheels was established with certain boundary conditions and constraints. …”
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4082
Influence of welding sequences on residual stress and deformation of U-rib components fabricated by laser-arc hybrid welding
Published 2025-03-01“…A thermo-elastic-plastic finite element model was developed to capture the complex thermal and mechanical behavior during the U-rib welding process. …”
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4083
Free convection investigation for a Casson-based Cu−H2O nanofluid in semi parabolic enclosure with corrugated cylinder
Published 2025-01-01“…Utilizing numerical simulations based on the Galerkin Finite Element Method, the study investigates the impact of different factors, including the Rayleigh number (103 ≤ Ra ≤ 106), Casson fluid parameter (0.1 ≤ γ ≤ 1), corrugation number (3 ≤ N ≤ 10), nanoparticle volume fraction (0 ≤ ϕ ≤ 0.15), and enclosure inclination angle (0° ≤ ζ ≤ 60°), on both heat transfer efficiency and flow patterns. …”
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4084
Excitation and Propagation of Longitudinal L (0, 2) Mode Ultrasonic Guided Waves for the Detection of Damages in Hexagonal Pipes: Numerical and Experimental Studies
Published 2021-01-01“…Dispersion curves of hexagonal pipes are firstly derived by using semianalytical finite element method. Based on these dispersion curves, longitudinal L (0, 2) mode at 100 kHz is selected to inspect hexagonal pipes. …”
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4085
Fabrication and characterization of V-doped ZnO films implemented to lead-free piezoelectric micromachined devices
Published 2025-01-01“…Secondly, simulation based on the finite element method is conducted to evaluate the dynamic displacement of p-MUTs, after which prototypes are fabricated by the standard micromachined process. …”
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4086
Effect of bisphosphonate on bone microstructure, mechanical strength in osteoporotic rats by ovariectomy
Published 2024-09-01“…The structural parameters of cortical and trabecular bone were measured, and the mechanical properties were predicted using micro-finite element analysis. Results There was almost no significant difference in the morphological structure parameters and mechanical properties of cortical bone between normal, ovariectomized (sham-OVX) and BP intervention groups. …”
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4087
From MRI to FEM: an automated pipeline for biomechanical simulations of vertebrae and intervertebral discs
Published 2025-01-01“…Therefore, automating the patient-specific modeling process is essential.MethodsWe developed an automated and robust pipeline that generates and simulates biofidelic vertebrae and intervertebral disc finite element method (FEM) models based on automated magnetic resonance imaging (MRI) segmentations. …”
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4088
Study on coal permeability evolution considering adsorptive deformation characteristics of matrix
Published 2024-12-01“…The field data and laboratory data are used to compare and verify the proposed model, and the influence of non-uniform adsorption of matrix region on permeability evolution is analyzed by finite element software. The results show that: ① The proposed model has a high matching degree with field and laboratory experimental data, and the permeability prediction data under different boundary conditions have high reliability. ② The permeability of the non-adsorption expansion area of the matrix will be reduced by the squeezing effect of the adsorption expansion area, and the closer to the adsorption expansion deformation area, the stronger the squeezing effect, and the more obvious the reduction in permeability of the non-adsorption expansion area. ③ With the increase of the adsorption area of the matrix, the stress disturbance of the adjacent matrix region will be earlier, and the gas permeability will be lower when the compressed matrix region is in equilibrium. …”
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4089
CO2-Driven Hydraulic Fracturing Trajectories across a Preexisting Fracture
Published 2021-01-01“…The model couples rock deformation and gas seepage using the finite element method and is validated against classical theoretical analysis. …”
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4090
Multi physics field simulation analysis of different pole slots combined with automotive permanent magnet motors
Published 2025-02-01“…Secondly, the analytical model of electromagnetic force wave was deduced based on Maxwell stress tensor method, and the spatial order and frequency characteristics of the electromagnetic force wave of the motor with different pole-slot combinations were analyzed by the analytical model and the finite element model, respectively. Finally, a multi-physical field coupling model of the motor was established to investigate the effects of different pole-slot combinations on the vibration noise of the permanent magnet synchronous motor. …”
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4091
Deformation of Threaded Metal – Composite Couplings Under the Action of Gas-Dynamic Loads
Published 2024-12-01“…Strength analysis of threaded metal – composite couplings based on the application of modern finite element modeling methods at the stage of design documentation development allows to create more efficient structures that better meet the operational requirements. …”
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4092
Hydrogen assisted cracking resistance test to evaluate the hydrogen service for 2.25Cr-1Mo-V steel heavy wall hydroprocessing reactors
Published 2024-12-01“…Therefore, in this study, based on the results of finite element method (FEM) simulations of temperature, stress and hydrogen concentration distributions generating in the reactor wall under service, the HAC influence factors in each stage that is classified into startup, steady-state operation and shutdown were extracted. …”
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4093
Optimising metallic coatings strategies for enhanced surface performance of bioresorbable polymeric stents
Published 2025-01-01“…The influence of the surface modification of a polymeric coronary stent, both during and post-placement, was evaluated through finite element analysis (FEA) and compared with the pristine polymer.The results revealed that Mg coatings deposited at higher pressure exhibited lower mechanical properties and faster degradation behaviour, albeit with greater thickness and reduced water reactivity. …”
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4094
Study on Damage Evolution of Tunnel Lining under Strike-Slip Fault Movements
Published 2023-01-01“…For the purpose of investigating the damage mechanism and failure characteristics of tunnel lining under the strike-slip fault movements, a three-dimensional elastoplastic finite element model was established in the present study including a railway tunnel across an active strike-slip fault. …”
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4095
WEAR AND CRACK initiation PREDICTION OF RAIL IRREGULARITY WELDING ZONE
Published 2024-01-01“…In order to investigate the relationship between abrasion and crack initiation in the welded zone of rails and axle weight and friction coefficient, through the field measurement of a large number of uneven weld zones, two kinds of typical weld zone uneven data were fitted, and two kinds of typical uneven wheel-rail contact finite element models of upper convex and lower concave weld zones were established. …”
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4096
Numerical Analysis on the Load Sharing Performance of Long-Short CFG Pile Composite Foundation Subjected to Rotation of Adjacent Retaining Wall
Published 2021-01-01“…This article presents results from 3D finite element analyses performed to study the influence of retaining wall rotation on the load sharing characteristics of adjacent CFG pile composite foundation comprising long and short piles. …”
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4097
Reliability of spatial rod metal structures of high level of responsibility
Published 2024-05-01“…The main research methods in the work are methods of structural mechanics in the form of the finite element method, methods of similarity theory, and methods of the theory of reliability of building structures.Results. …”
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4098
High performance synthetic fiber-reinforced concrete mixed with nanoparticles: A proof-of-concept green railway sleeper product
Published 2025-03-01“…In Phase 2, a proof-of-concept green railway sleeper was developed using 100% recycled aggregate concrete (RAC), reinforced with glass fiber-reinforced polymer (GFRP) and the hybrid fibers from Phase 1, demonstrating enhanced mechanical properties and durability. Additionally, finite element crack analysis using Abaqus® software provided an in-depth understanding of sleeper performance, revealing improved crack resistance under operational fatigue loading and reduced maintenance costs. …”
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4099
The Law of Fracture Evolution of Overlying Strata and Gas Emission in Goaf under the Influence of Mining
Published 2021-01-01“…A mathematical model of gas source emission from the working face and gas migration and the finite element COMSOL software were used to simulate the law of gas migration in the region with overlying strata fissures under the influence of mining. …”
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4100
Anatomical simulation analysis of pancreaticobiliary junction in occult pancreaticobiliary reflux: based on Fluent study
Published 2024-09-01“…Objective Computational fluid dynamics software combined with finite element method was used to conduct 2D numerical simulation of pancreaticobiliary junction, and analyze the influence of biliopancreatic ampullary diaphragm, opening direction and shape of duodenal papilla on occult pancreaticobiliary reflux(OPBR). …”
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