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1901
Nonlinear Behaviour of Concrete Buttress Dams under High-Frequency Excitations Taking into Account Topographical Amplifications
Published 2021-01-01“…Here, a new deconvolution method for both shear and pressure wave propagation is developed based on an iterative time-domain procedure using a one-dimensional finite element column. The examples presented showed that topographic amplifications of high-frequency excitations have a significant impact on the response of this type of dam. …”
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1902
A Crank-Nicolson Scheme for the Dirichlet-to-Neumann Semigroup
Published 2015-01-01“…Finally, we write a P1 finite element scheme for the problem, and we illustrate this convergence by means of a FreeFem++ implementation.…”
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1903
RANDOM VIBRATION FATIGUE ANALYSIS AND STRUCTURAL DESIGN IMPROVEMENT OF BATTERY PACK BASED ON AN VEHICLE
Published 2020-01-01“…Based on random vibration theory and fatigue analysis method in frequency domain,with finite element software to construct the battery pack failure model of random vibration fatigue analysis and to calculate the fatigue life of the structure,the analysis results are in good agreement with the test results. …”
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1904
Design and Simulation for the Multiple-disc Magneto-rheological Fluid Transmission Device
Published 2015-01-01“…The working principle of magneto-rheological fluids transmission device(MRFTD) is introduced,and the mechanical structure and heat radiation system are designed based on the magneto-rheological Bingham model.The magnetic circuit design and magnetic field simulation are carried out based on finite element analysis software Ansoft Maxwell,thus,the distributions cloud picture of magnetic field under different excitation currents are obtained.The research results that the references and basis for the optimal design of MRFTD are provided.…”
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1905
THE CONTACT PROBLEM STUDY OF THE SELF DUMPING TRUCK DRIVING AXLE HOUSING USING RESPONSE SURFACE METHOD
Published 2015-01-01“…The finite element method is applied to the numerical simulation test of a dumping truck drive axle housing contact region,in order to reflect the non-linear mechanical property the CCD method is adopted to guide the test,the RSM is fitted according to the result of the test. the variance analysis of the RSM show that the RSM can describe clearly and significantly the nonlinear problem of the self dumping truck driving axle housing,the guiding suggestions are put forward based on the analysis of the RSM.…”
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1906
Effects of Fiber Orientation and Material Isotropy on the Analytical Elastic Solution of a Stiffened Orthotropic Panel Subjected to a Combined Loading
Published 2013-01-01“…The analytical elastic solutions at different sections of the panel with fiber orientation θ=90° are compared with those of finite element predictions to ensure the reliability of our present solutions.…”
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1907
Optimum Design of Box Structure of High Power Mine Reducer
Published 2020-08-01“…The strength analysis of its innovative structure is carried out by using finite element analysis software. A reference for the design of domestic high-power reducer in the future is provided.…”
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1908
Structure Design and Magnetic Field Simulation of Non-contact Nutation Reduction Motor
Published 2019-09-01“…The internal magnetic field characteristic and the torque angle characteristic of the reduction motor are analyzed by using Maxwell finite element software.…”
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1909
Features of the Calculated Determination of the Thermal State of the Turbo Generator Brush-Contact Device
Published 2024-12-01“…The author provides an algorithm for analytical calculation of the device, determines the expected temperatures of the elements provided that additional filters are installed in the ventilation duct. Using the finite element method, a three-dimensional calculation of the thermal state of the brush-contact device elements was performed. …”
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1910
Study on Dielectric Function Models for Surface Plasmon Resonance Structure
Published 2014-01-01“…For this study, simulations using several different models and an analytical analysis on a practical surface Plasmon structure were done with an accuracy of ∼94.4% with respect to experimental data. Finite element method, combined with dielectric properties extracted from the Brendel-Bormann function model, was utilized, the latter being chosen from a comparative study on four available models.…”
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1911
Working Process Analysis and Parameter Optimization of Lock Ring Synchronizer
Published 2016-01-01“…The optimized model is import into ANSYS workbench for finite element structure analysis and check. The reference basis for the design of synchronizer is provided.…”
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1912
Evaluation of Seal Effects on the Stability of Rotating Fluid Machinery
Published 1995-01-01“…The stability of typical rotating fluid machinery such as single ahd multi-stage pumps is evaluated by using the finite element method. The individual contribution of the impellers, bearings and seals to the stability and the dynamic interactions of these fluid elements are examined. …”
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1913
High-Performance Computational Electromagnetic Methods Applied to the Design of Patch Antenna with EBG Structure
Published 2012-01-01“…The electrical characteristics of the embedded structure (patch antenna surrounded by EBG unit cells) are evaluated by means of method of moment technique (MoM) whereas for designing the unit cell, the finite element method (FEM) together with the Bloch-Floquet theory is used. …”
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1914
Design and Simulation for Disk-type Magnetorheological Fluid Transmission Device
Published 2016-01-01“…The magnetorheological fluid transmission device power transmission mechanism is analyzed according to the Bingham model,and a disk- type magnetorheological fluid transmission device is designed. By using finite element analysis software Ansoft Maxwell,the magnetic circuit design and magnetic field simulation are carried out and the magnetic field distribution nephogram is obtained. …”
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1915
Fracture Failure Analysis of Hydraulic Pump Drive Shaft
Published 2018-01-01“…A domestic hydraulic pump drive shaft fracture occurred during the experimental verification.The analysis of working conditions,strength safety factor,finite element analysis of work stress,macro fracture inspection,micro topography,microstructure,chemical composition,material hardness of the drive shaft show that the reason for the failure is that the fillet design at the stepped shaft is too small and the heat treatment does not meet the requirements. …”
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1916
Digital Modeling of ZA-type Dual-lead Worm
Published 2015-01-01“…The geometrical characteristic of ZA-type dual-lead worm is analyzed.The mathematical model involving the ZA-type dual-lead worm is built based on the characteristic of the points of the tooth surface spiral motion during the rotation of the worm.The MATLAB is adopted to calculate the mathematical model and the calculation results are imported to SolidWorks software to generate the 3 Dsolid modeling,which lay agood foundation for NC machining,finite element analysis and dynamic analysis of the ZA-type dual-lead worm.…”
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1917
MODEL STIFFNESS VERIFICATION OF MINI-TRUCK BODY BASED ON LIGHTWEIGHT IMPROVEMENT
Published 2016-01-01“…After constraints and forces is carried out to calculate the bending stiffness and torsional stiffness around the vehicle in the pre-processing software of the finite element to model,in the contrast,it is found that the bending stiffness fell 1. 28 percent,and 2. 49 percent decline after the torsional stiffness,so they are down slightly. …”
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1918
Design and Research of Climbing Mechanism based on Gear Rack Transmission
Published 2016-01-01“…The key parts are analyzed by using the finite element analysis method. At the same time,from the standpoint of improving the degree of automation of device,the flip climbing progress control flow chart is established,the foundation for control system design is provided.…”
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1919
Numerical investigation of the effect of constrained groove pressing process on the mechanical properties of polyamide PA66
Published 2020-01-01“…A simulation is performed using a finite element tool. The effect of the process conditions and the tool geometry on the mechanical properties is noted. …”
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1920
Optimal design of acoustic metamaterials for noise suppression by the frequency division in military equipment
Published 2025-01-01“…Based on the transfer matrix method, a theoretical model that can predict the acoustic characteristics of a hybrid structure with multiple Helmholtz resonator (HR) units is established, and its feasibility is verified through finite element simulations and experiments. By combining particle swarm optimization with finite element simulation, the suboptimal average sound absorption coefficient (αavg) of ten populations was 0.52, 0.54, 0.54, and 0.44, respectively, after iterating for 50 generations. …”
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