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3221
Integrated Experimental and Numerical Comparison of Different Approaches for Planar Biaxial Testing of a Hyperelastic Material
Published 2016-01-01“…Then, material parameters for a suitable hyperelastic law were determined for each configuration examined, employing an inverse method which combines numerical simulations with the finite element method (FEM) and optimization algorithms. …”
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3222
Selecting Principle of Floating Member of 2K-H Planetary Gear for Load Balancing Design
Published 2016-01-01“…At the same time,the method of theoretical calculation of the floating amount is given. And the finite element simulation is carried out,the results and the theoretical calculation results are highly consistent.…”
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3223
Frequency Considerations in GIC Applications
Published 2021-08-01“…To efficiently mitigate them requires different types of power system modeling, from GIC to alternating current harmonic generation, to three‐dimensional finite element models of transformers. GIC are initiated by variations of the geomagnetic field in the presence of the conductive Earth, that is, the geophysical variables characterized by continuous frequency spectra, making GIC also exhibit continuous spectra. …”
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3224
Theoretical Analysis of Electromagnetic Torque of the Slotted-type Magnetic Couplers
Published 2024-10-01“…Finally, the proposed method was used to predict the output torque of the magnetic couplers under different slip rates, pole-arc/pole-pitch ratios and slotting ratios, and the theoretical verification was carried out by 3D finite element analysis and experiments. It is verified that the proposed method can meet the accuracy requirements of engineering applications.…”
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3225
Experiment and Simulation Study on the Dynamic Response of RC Slab under Impact Loading
Published 2021-01-01“…Besides, a 3D numerical model based on the finite element method (FEM) was established to expand the research of constrained force, deflection, and vertical stress of an RC slab. …”
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3226
Exact Solution of Mesh Stiffness and Analysis of Tooth Profile Parameters for Asymmetric Gear Pairs
Published 2024-03-01“…Then a precise calculation model for meshing stiffness of asymmetric gear is proposed and validated to be effective by comparing with a finite element model separately. Further, the influence of cutting tool tip fillet radius, gear pressure angle and contact ratio on gear meshing stiffness is quantified parametrically. …”
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3227
PERFORMANCE ANALYSIS AND LIGHTWEIGHT DESIGN OF A FRONT SUBFRAME
Published 2020-01-01“…Aiming at checking the performance of a front subframe whether could meet the design requirements.Firstly,the grid model of the front subframe was built by adopting finite element method,and it was modal performance analyzed,the analysis result showed that its first two natural frequency were higher than the engine excitation frequency,so it could meet dynamic performance requirements.Secondly,the front subframe was modal tested,the test result showed that its simulation analysis precision was high.Thirdly,the front suspension dynamic model was built,and it was load based on theoretical forces,so its connection point load of typical working condition were obtained.Fourthly,the front subframe was strength analyzed by adopting inertia release method,the analysis result showed that its stress were lower than material yield value,so it could meet meet the strength characteristics.Lastly,the front subframe was lightweight designed by adopting neighborhood cultivation multiobjective genetic algorithm,the optimal thickness were obtained.Its modal performance and strength performance could meet the requirements after optimization,its weight had been successfully reduced by 9.9%,and it had passed the real vehicle road test verification.The theoretical and scientific reference were provided for obtaining the structural performance and optimization design.…”
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3228
DESIGN AND ANALYSIS OF AN INNER BURR REMOVAL DEVICE IN LONGITUDINALLY WELDED PIPE
Published 2022-01-01“…The application field of longitudinally welded pipe is expanding day by day, and its quality requirements are increasing.The inner burr removal device, as a key equipment to improve the quality of the inner surface of the longitudinally welded pipe, has gradually attracted the attention of manufacturers.Taking the high frequency longitudinally welded pipe with constant bottom surface as the research object, an inner burr removal device was proposed based on the cantilever arbor to improve the burr scraping quality of the welded pipe.According to the working principle and functional requirements of the inner burr removal device, the structure of the inner burr removal device was designed and the three-dimensional model was established; According to the actual production conditions, using the ANSYS software, the finite element model of the inner burr removal device under different extreme working conditions was established and simulation analysis was performed to ensure the rationality of the structural design.The inner burr removal device, which integrates lifting, rotating, knife lifting and other auxiliary movements, also has the function of online breaking the inner burr, avoiding falling off inner burrs to block the welded pipe, enriching the functions of the inner burr removal device and laying a foundation for product development.…”
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3229
Numerical Investigation of Bundled RC Column under Impact Load
Published 2021-01-01“…In this study, to examine the behavior of RC columns under impact load, numerical simulations of one with normal reinforcement distribution and three different bundles of reinforced concrete column specimens have been conducted using an explicit finite element (FE) analysis. In addition to the bundle reinforcement distribution, the parameters considered in the study are impact scenarios, impact velocity, pure axial load, and impact locations. …”
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3230
Study on Structure and Seepage Control Safety of Second-Phase Cofferdam in Datengxia Water Conservancy Project
Published 2023-01-01“…The second-phase earth-rock cofferdam in the Datengxia Water Conservancy Project is one of the most important temporary buildings,and its design and construction reflect major key technologies of the Datengxia Water Conservancy Project.In order to ensure the safety of the second-phase deepwater cofferdam project,a special scientific research demonstration was conducted on the structure and seepage control safety of the second-phase deepwater cofferdam.In view of the difficulty in determining the density of the cofferdam formed by deepwater dumping and the feasibility of the anti-seepage system with a single anti-seepage wall connected to the geomembrane,experimental research was carried out through the centrifugal model test,so as to determine the underwater dumping density and angle of repose,the mechanical characteristics of cofferdam filler,the shear characteristics of the interface between filler and plastic concrete,and the characteristics of plastic concrete materials.The finite element analysis of stress deformation and the seepage stability analysis of the cofferdam were carried out,and the safety analysis evaluation and the section optimization design of the cofferdam were performed.The second-phase cofferdam has undergone two flood seasons of safe water retention operation,with a small total seepage flow,slight maximum settlement,and low horizontal displacement.The scientific research work has well supported the design requirements.…”
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3231
Numerical Analysis of Horizontal Impact Resistance of Rock Socketed Pile with Steel Casing
Published 2022-01-01“…Based on a Wharf project in Chongqing, this paper carries out experimental research and nonlinear finite element analysis on the impact resistance of steel casing rock socketed pile of inland river frame Wharf under horizontal impact load. …”
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3232
Behaviour and Failure of Steel Columns Subjected to Blast Loads: Numerical Study and Analytical Approach
Published 2018-01-01“…The main objective of this study is the numerical simulation of the behaviour and failure patterns of steel columns under blast loads using the dynamic finite element package ABAQUS/Explicit. A numerical model is suggested and validated against published experimental tests on full-scale wide-flange steel columns subjected to dynamic blast loads under constant axial compressive force. …”
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3233
Geometric Modeling and Fatigue Strength Simulation of Bevel Gears with Variable Radius Tooth Root
Published 2022-08-01“…Based on the fixed-radius non-standard planetary gear of an electric vehicle differential, the general equation of tooth root variable-radius fillet under different tooth root cones is derived, and the variable-radius non-standard planetary gear is optimally designed. Through finite element dynamics and fatigue life simulation analysis, it is concluded that the average tooth root bending stress of the bevel gear is reduced by 10.8% and the fatigue damage is reduced by 6.6% for the variable radius tooth root fillet compared with the fixed radius fillet with the largest radius. …”
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3234
A Study on the Dynamic Behaviour of Lightweight Gears
Published 2017-01-01“…The angle-dependent mesh stiffness function is computed in a preparation phase through detailed Finite Element (FE) simulations and then stored in a lookup table, which is then interpolated during the dynamic simulation allowing for high computational efficiency. …”
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3235
STUDY OF SUB-IMPACTS IN SIMPLY SUPPORTED BEAM STRUCK BY STEEL SPHERE
Published 2015-01-01“…The sub-impact phenomenon of a simply supported beam struck by a steel sphere were studied by the Hertz impact theory and the three-dimensional dynamic finite element method,and tested by a set of sub-impact experimental device self-designed and its corresponding transient measurement system of the sub-impact. …”
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3236
Geometric Evolvement, Simulation, and Test of a Bionic Lateral PDC Reamer Bit Inspired by Capra sibirica Horn
Published 2022-01-01“…Multigroup simulations were conducted with the finite element method; the effects of bit revolution speed and rotation feed speed of the bionic blade to reaming load were emphatically studied. …”
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3237
Spoke Dimension on the Motion Performance of a Floating Wind Turbine with Tension-Leg Platform
Published 2016-01-01“…This research has been divided into two parts: (1) Five models were designed based on different spoke dimensions, and aerohydroservo-elastic coupled analyses were conducted on the models using the finite element method. (2) Considering the coupled effects of the dynamic response of a top wind turbine, a supporting-tower structure, a mooring system, and two models on a reduced scale of 1 : 80 were constructed and experimentally tested under different conditions. …”
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3238
Systematic Performance Evaluation of Shield TBM Cutters for Excavating Multiple Soft Rock
Published 2021-01-01“…Performance indexes including cutting efficiency, structural strength, wear life, and dynamic response were individually analyzed based on linear cutting tests, finite element analyses, and theoretical calculations. …”
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3239
Damage Assessment of Two-Way Bending RC Slabs Subjected to Blast Loadings
Published 2014-01-01“…Numerical modeling and analysis are carried out using the commercial finite element code LS-DYNA 971. A damage assessment criterion for the two-way bending RC slab is defined based on the original and residual uniformly distributed load-carrying capacity. …”
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3240
A comparative study on the fatigue life of the vehicle body spot welds using different numerical techniques: Inertia relief and Modal dynamic analyses
Published 2020-04-01“…Owing to the expensive and time-consuming nature of durability experiments, finite element based durability analysis is quite prevalent in the automotive industry. …”
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