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2421
Crack simulation for the cover of the landfill � A seismic design
Published 2023-07-01“…Rankine�s theory and the Phantom Node Method were used for the simulation length of the crack and the mechanism of the crack propagation in the nonlinear extended finite element method (NXFEM). Artificial Neural Networks (ANNs) based on Levenberg-Marquardt Algorithm and Abalone Rings Data Set mode were used to predict displacement in critical points of the model. …”
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2422
Effect of Size on the Stability of Narrow Foundation Pits
Published 2022-01-01“…In this study, with the help of ABAQUS finite element software, retaining-structure models in semi-infinite and infinite elastic space are used to simulate the mechanical performances of pile-supported structures under different combinations of excavation depth, retaining pile-embedded depth, and excavation width. …”
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2423
EXPERIMENTAL AND NUMERICAL SIMULATION OF ELASTIC HONEYCOMB STRUCTURES BY 3D PRINTING (MT)
Published 2023-01-01“…The corresponding finite element analysis were in agreement with the experimental results.…”
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2424
Design and Performance Analysis of a Sub-micron Piezoelectric Flexible Micro Drive System
Published 2020-06-01“…The kinematics analysis,strength analysis and dynamic analysis of the system are accomplished by the finite element method. The analysis results show that the system has the advantages such as high positioning accuracy which the maximum positioning error is 0.24 μm,good strength performance and excellent dynamic performance. …”
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2425
Acoustic Radiation Performance of a Composite Laminated Plate Subjected to Local Temperature
Published 2022-01-01“…The thermal stiffness matrix and stiffness matrix of the elastic boundary are first derived based on the finite element method, and then a coupled vibroacoustic model is developed to calculate the acoustic properties of the structure. …”
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2426
Research of Structure Tuning Resonance Method of Spur Gear Micro Crack Defect Detection System
Published 2019-01-01“…An experimental testing system based on structure tuning resonance is constructed by combining finite element modal analysis technique with experimental modal analysis technique, the micro cracks defect of spur gear is detected by using this test system. …”
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2427
Near tip strain evolution under cyclic loading
Published 2013-07-01“…The results show that strain ratchetting does occur with load cycling, and is particularly evident close to the crack tip and under higher loads. A finite element model has been developed to simulate the experiments and the simulation results are compared with the DIC measurements.…”
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2428
Study on the Temperature Field of Wet Brake Contact Interface based on Fractal Theory
Published 2017-01-01“…In order to improve the braking performance and service life of wet brake,taking the wet brake of the dump truck as research object,based on the fractal theory,considering the influence of variable effect of moving heat source and friction heat flow,the mathematic model of wet brake temperature field is established,the 3D solid model of friction pair is established in the CATIA and the emergency braking is simulated by using the finite element analysis software ANSYS,the wet brake temperature field and stress field distribution are studied. …”
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2429
ASSESSMENT METHOD OF THE REPAIRED AIRCRAFT COMPOSITE WING PANEL WITH DISCRETE-SOURCE DAMAGE
Published 2017-01-01“…The progressive damage analysis technique was studied by using finite element method and test validation of the repaired aircraft wing composite panel with discrete-source damage. …”
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2430
OPTIMAL ANALYSIS OF THE SHOULDER END STRUCTURE OF SPRING CLIP-Ⅲ FASTENINGS IN METRO LINES
Published 2016-01-01“…Based on the nonlinear contact theory,a finite element model of spring clip-III fastening system used in metro lines is established. …”
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2431
Multi-axial fatigue numerical crack propagations in cruciform specimens
Published 2019-04-01“…Fatigue propagation of cracked specimens was performed by means of Dual Boundary Element Method (DBEM) and Finite Element Method (FEM) codes. For crack path assessment, the Minimum Strain Energy Density (MSED) and the Maximum Tensile Stress (MTS) criteria were adopted in DBEM and FEM approaches, respectively. …”
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2432
Optimization Design of the New Type Double Helical Tooth Synchronous Belt and Pulley Structure Parameter
Published 2018-01-01“…Based on higher order contact meshing theory of conjugate curvature,a three-dimensional model of the new type double helical tooth synchronous belt and the belt drive are established. The nonlinear finite element analysis software is used to analyze the stress and deformation of the new type double helical tooth synchronous belt and the pulley. …”
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2433
Analysis of Field Modulated Magnetic Gear with Halbach Permanent Magnet Array
Published 2017-01-01“…In order to recognize the magnetic field property and mechanical property of the field modulated magnetic gear with Halbach permanent magnetic array,the fundamental and harmonic components of the magnetization of the Halbach permanent magnetic array are expressed by Fourier expansion. By using finite element method,two magnetic gears with radial magnetization array and Halbach array are established respectively. …”
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2434
ANALYSIS OF INFLUENCE OF LUBRICATING GAS ON STATIC CHARACTERISTICS OF THE FOIL HYDRODYNAMIC THRUST GAS BEARING
Published 2018-01-01“…Taking the new type of protuberant foil hydrodynamic thrust gas bearing as the research object,the finite element method and the Newton-Raphson iterative method are used to solve the numerical model of fluid-solid coupling by MATLAB software. …”
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2435
Research of the Calculation Method of the Gear Time-varying Mesh Stiffness based on FEM
Published 2019-01-01“…Aiming at this problem, by using the APDL, a parametric finite element model of involute spur gear is established. …”
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2436
Research of the Chain Transmission System Dynamics of Heavy-duty Upender
Published 2015-01-01“…The chain transmission system of heavy-duty upender is critical for turning body safe operation and parking,therefore,the reliability analysis of the chain transmission system is indispensable for the research and development of large heavy-load upender.Based on a nuclear large pieces upender which we jointly developed with a heavy machinery factory,the complex force state in the equipment operation process is analyzed.With the application of theoretical analysis and motion simulation method,the dynamic change trend of the chain transmission torque when carrying extreme load in the different flip solutions is got,the biggest stress field of the chain drive system is analyzed with the finite element software ABAQUS.The cost of research and development of the equipment is reduced,the design cycle is shorten,the reliability of equipment operation is improved,which has a certain reference value for the dynamics research of chain drive system in large and heavy equipment mechanics.…”
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2437
INFLUENCE OF COUPLING OF INTERNAL AND EXTERNAL DEFECTS ON THE INITIATION OF AXLE CRACKS BASED ON CRYSTAL PLASTICITY THEORYCRACKS
Published 2024-01-01“…In order to study the effect of coupling between inner and outer defects of high⁃speed train axle on fatigue crack initiation, a multi⁃crystal finite element model of high⁃speed train axle was established on mesoscopic scale based on crystal plasticity theory The stress field and structural deformation around the inner and outer defects of axle were analyzed by tensile and impact tests, and the effect of inner and outer defects coupling on fatigue crack initiation was investigated Based on the characteristics of stress distribution and plastic strain energy density distribution, the crack initiation location was predicted. …”
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2438
Numerical analysis of reinforced concrete beams pre-cracked reinforced by composite materials
Published 2020-10-01“…This paper focuses on the application of three-dimensional finite element method (3D-FEM) in order to study the effect of some parameter on the failure by delamination of repaired cracked concrete beams in the first part. …”
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2439
Design and Simulation of an Extendable Wheel Chair.
Published 2023“…The displacement, velocity and acceleration graphs are generated showing the movement of the chair in the Y axis. Finite element analysis of the model is also carried out in solid works. …”
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2440
FAILURE ANALYSIS OF OIL COLLECTING BOX CONNECTING PIN IN 1580MM HOT ROLLING MILL
Published 2020-01-01“…The three-dimensional finite element model of rolling mill was built to simulate the natural frequency of the vibration,including main drive system,roller system and frame. …”
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