-
3981
Study on the Prosthesis Structural Design and Vibration Characteristics Based on the Conduction Effect of Human Middle Ear
Published 2020-01-01“…In this study, reasonable prosthetic structures had been designed for different types of ossicular chain injuries, and the frequency response characteristics were analyzed by the finite element method then. Moreover, in order to achieve better vibration frequency response, a ball structure was designed in the prosthesis to simulate its amplification function. …”
Get full text
Article -
3982
Design and Evaluation of an Electromagnetic Bounce-Type Refreshable Braille Display
Published 2025-01-01“…In this paper, the force analysis and finite element simulation of the actuator actuation condition of the Braille dot actuator are carried out, and the refresh rate is measured experimentally to be about 16 Hz. …”
Get full text
Article -
3983
Design and study of valveless piezoelectric pump with streamlined chamber fishtail-type bluff body
Published 2025-01-01“…First, the three-dimensional model of VPFB is designed and theoretically analyzed based on the piezoelectric inverse effect and fluid dynamics to derive the expression of the relationship affecting the flow rate of the piezoelectric pump. Second, the finite element method is used to analyze the flow field and pressure of VPFB. …”
Get full text
Article -
3984
Numerical Simulation of Split-Hopkinson Pressure Bar Tests for the Combined Coal-Rock by Using the Holmquist–Johnson–Cook Model and Case Analysis of Outburst
Published 2020-01-01“…Based on the split-Hopkinson pressure bar (SHPB) test of the combined coal and rock with a bullet velocity of 4.590–8.791 m/s, the numerical model of four kinds of combined coal and rock with different sandstone-coal-sandstone ratios, including 1 : 1 : 1, 2 : 1 : 1, 1 : 1 : 2, and 1 : 2 : 1, is investigated. A finite element software (LS-DYNA) and the Holmquist–Johnson–Cook (HJC) constitutive model of rock are employed in these regards. …”
Get full text
Article -
3985
Research and Application of Urban Rail Transit Train Collision Performance
Published 2025-01-01“…[Method] Based on urban rail transit train collision scenarios and standards,a train collision energy management scheme is proposed. The finite element software is utilized to conduct simulation calculation of train collision scenarios, the speed, vehicle interface force, coupler force, vehicle deformation amount, stress and strain in trains collision are analyzed. …”
Get full text
Article -
3986
Modeling Highly Buoyant Flows in the Castel Giorgio: Torre Alfina Deep Geothermal Reservoir
Published 2018-01-01“…We present the 3D numerical model of the CG-TA to simulate the undisturbed natural geothermal field and investigate the impacts of the exploitation process. The open source finite-element code OpenGeoSys is applied to solve the coupled systems of partial differential equations. …”
Get full text
Article -
3987
Analysis and 3D modelling of percolated conductive networks in nanoparticle-based thin films
Published 2025-01-01“…Then, the electrical conductivity of the percolated networks in these virtual structures was computed using the finite element method for various partial oxygen pressures. …”
Get full text
Article -
3988
Effect of Shear Displacement on the Directivity of Permeability in 3D Self-Affine Fractal Fractures
Published 2018-01-01“…Fluid flow through the fracture is simulated using the COMSOL Multiphysics code based on the finite element method (FEM) by changing the angle between the shear direction and macroscopic flow direction. …”
Get full text
Article -
3989
Operation Effect Analysis of Dynamic Stabilizer Considering the Characteristics of Fasteners
Published 2025-01-01“…A rigid-flexible coupling dynamics simulation model of the dynamic stabilization device-ballast bed is established by using the finite element method. With the excitation frequency of the dynamic stabilization device, the lateral stiffness and the lateral damping of the fastener as research factors, and the lateral acceleration response of the sleeper as the evaluation index of stable operation effect, a numerical simulation analysis is carried out to obtain the significance of the influencing factors for the dynamic stabilization operation effect. …”
Get full text
Article -
3990
Freezing Pressurized Water into a Standard Cylindrical Ice Sample in a Triaxial Cell
Published 2021-01-01“…Based on the analysis of sample deformation and finite element numerical simulations, the control method of the temperature fields of the sample and the confining medium was obtained, and the standard cylindrical ice sample which satisfies the geometric accuracy requirements was produced. …”
Get full text
Article -
3991
Strengthening mechanism of particle gradation in 55 vol% SiCp/6061Al composites fabricated by semi-solid hot isostatic pressing
Published 2025-01-01“…Compared to other engineering materials, this composite offers significantly higher specific stiffness and specific strength while maintaining favorable thermal conductivity and a low coefficient of thermal expansion. Finite element simulation of uniaxial tensile behavior indicates that powder gradation optimizes load transfer. …”
Get full text
Article -
3992
Bearing Behavior of H-Shaped Honeycombed Steel Web Composite Columns with Rectangular Concrete-Filled Steel Tube Flanges under Eccentrical Compression Load
Published 2022-01-01“…Considering the nonlinear constitutive model of concrete and simplified constitutive model of steel, the finite element (FE) model of STHCCs was established by ABAQUS software. …”
Get full text
Article -
3993
Superior energy storage capacity of polymer-based bilayer composites by introducing 2D ferroelectric micro-sheets
Published 2025-01-01“…Excitingly, an ultra-high discharged energy density of 25.0 J cm−3 and a large efficiency of 81.2% are achieved in Na0.5Bi4.5Ti4O15-poly(vinylidene fluoride-co-hexafluoropropylene)/Na0.5Bi4.5Ti4O15-polyetherimide bilayer composites under a dramatically enhanced breakdown strength of 8283 kV cm−1. Finite element simulations along with experimental test results demonstrate that greatly improved breakdown strength is ascribed to uniform and horizontal alignments of Na0.5Bi4.5Ti4O15 sheets (~1–2 μm) in the matrix and interface effect of adjacent layers with large dielectric differences, which effectively inhibit electrical tree evolution and conduction loss. …”
Get full text
Article -
3994
Moisture Migration and Control of New Embankment for Reconstruction and Expansion Project in Southern China
Published 2020-01-01“…To reveal the moisture migration of the existing and new embankment and control the rise of volumetric moisture content in new embankment, six frequency domain reflectometry sensors were installed in existing and new embankment to monitor the volumetric moisture content. A finite element model for the embankment was established and verified with the measured data. …”
Get full text
Article -
3995
A Typical Basalt Platform Landslide: Mechanism and Stability Prediction of Xiashan Landslide
Published 2021-01-01“…On this basis, combined with the numerical analysis method, a finite element model of the slope considering rainfall and groundwater conditions is constructed to analyze the causes and failure mechanism of this landslide comprehensively. …”
Get full text
Article -
3996
Thermal Mismatch Effect and High-Temperature Tensile Performance Simulation of Hybrid CMC and Superalloy Bolted Joint by Progressive Damage Analysis
Published 2020-01-01“…To address this concern, a finite element model embedded with progressive damage analysis was established to simulate the thermostructural behavior and high-temperature tensile performance of single-lap, single-bolt C/SiC composite and superalloy joint, by using the ABAQUS software. …”
Get full text
Article -
3997
The Effect of Combined Tensile-Torsional Loading Path on the Stress/Strain States of Thin-Walled Circular Tubes
Published 2020-01-01“…Based on the von Mises yield criterion and the assumption of isotropic linear hardening, the methods of stress path and strain path loading are analyzed to study the effect of combined tensile-torsional loading path on thin-walled circular tubes. A finite element model is used to analyze the loading path effect on thin-walled circular tubes. …”
Get full text
Article -
3998
Study on the Vibration Isolation Mechanism of Loofah Sponge
Published 2024-12-01“…Scanning models of the loofah sponge were generated using the RX Solutions nano-CT system in France, and finite element analysis was performed using the ANSYS Workbench. …”
Get full text
Article -
3999
The research into the propagation law of the shock wave of a gas explosion inside a building
Published 2021-01-01“…Based on the dissipation rate conservation equations of turbulent kinetic energy in the k-ε turbulence model, a complicated three-dimensional finite element model of a kitchen filled with gas mixture is developed by using the open source field operation and manipulation (OpenFOAM). …”
Get full text
Article -
4000
Design of Dielectric Elastomer Actuator and Its Application in Flexible Gripper
Published 2025-01-01“…Based on the performance test results of the dielectric elastomer (DE), the bending deformation process of DEAs with different shapes was simulated by Finite Element Method (FEM) simulation. DEAs with different shapes were prepared through laser cutting and the relationship between the voltage and the bending angle, and the output force of the DEAs was measured. …”
Get full text
Article