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2061
Numerical study of delamination process of the CFRP composite
Published 2025-01-01“…The cohesive interface model, integrated into the Finite Element Method, was applied to determine the critical force away from the crack tip. …”
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2062
RESEARCH ON SAFETY ASSESSMENT METHOD FOR BOX GIRDER OF BRIDGE AND GANTRY CRANE
Published 2016-01-01“…Taking box girder structure of 36 t container gantry crane as research object,and combining with the finite element analysis results of crane structure,it carried out a safety assessment for the cracks on box girder structure using level 2fracture assessment method. …”
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2063
Mechanism of crack branching in the fatigue crack growth path of 2324-T39 Aluminium alloy
Published 2015-12-01“…The crack paths were observed with optical microscope and in-situ SEM. Finite element crack tip simulation was performed to investigate the relationship between plastic zone size and the location of the secondary crack. …”
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2064
Dry Friction Interblade Damping by 3D FEM Modelling of Bladed Disk: HPC Calculations Compared with Experiment
Published 2021-01-01“…Interblade contacts and damping evaluation of the turbine bladed wheel with prestressed dry friction contacts are solved by the 3D finite element method with the surface-to-surface dry friction contact model. …”
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2065
Research of Multi- Objective Optimization Design for Car Main Reduction Gear based on Response Surface Method
Published 2015-01-01“…In order to obtain the effects of size parameters on meshing performance of the main reduction gear in a car,the response parameters of gear meshing are obtained by using the explicit finite element method.The response surface model of meshing response parameters of thegear size parameters are established based on the Kriging model. …”
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2066
Numerical simulation of a crack emanating from a micro-cavity in the orthopedic cement by technical sub modeling of total hip prosthesis
Published 2019-07-01“…The focus of this study is the modeling using the finite element method of a crack emanating from a cavity. …”
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2067
$\phi $-FEM for the heat equation: optimal convergence on unfitted meshes in space
Published 2023-12-01“…Thanks to a finite element method, we solve numerically parabolic partial differential equations on complex domains by avoiding the mesh generation, using a regular background mesh, not fitting the domain and its real boundary exactly. …”
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2068
MODELING METHOD OF DYNAMIC CHARACTERISTICS OF BOLTED CONNECTION BASED ON CONTACT BOUNDARY AND FRACTAL THEORY
Published 2021-01-01“…The model is based on the fractal theory of mechanical surface,and the calculation formula of the joint stiffness is obtained. Based on the finite element contact results,the spring layout of the spring damping model is determined,and the influence of the number of spring layouts on the vibration characteristics is studied. …”
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2069
Investigation and Improvement of Bursting Force Equations in Posttensioned Anchorage Zone
Published 2019-01-01“…In the present work, the existing equations of the bursting force for the anchorage zone were evaluated and an equation for the bursting force based on finite element analysis was proposed to improve the model’s accuracy. …”
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2070
Synchronous Modification Design for Bilateral Tooth Surface of Spiral Bevel Gear by Dual Duplex Spread Blade Method
Published 2019-07-01“…The optimized method is verified by tooth contact analysis and finite element contact analysis. The simulation results show that the meshing performance meets the expected requirements after the tooth surface modification.…”
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2071
PARAMETER ANALYSIS AND OPTIMIZATION OF MAGNETIC ADSORPTION UNIT FOR CRAWLER WALL-CLIMBING ROBOT (MT)
Published 2023-01-01“…The functional relationship between the parameters of the MAU and the magnetic force is obtained by the finite element simulation model, DOE and RSM. The sensitivity of parameters of the MAU to the magnetic adsorption force is determined by the sensitivity analysis. …”
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Article -
2072
Enriched P1-Conforming Methods for Elliptic Interface Problems with Implicit Jump Conditions
Published 2018-01-01“…To handle the discontinuity, we enrich usual P1-conforming finite element space by adding extra degrees of freedom on one side of the interface. …”
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2073
STUDY ON NECKING AND FRACTURE OF DUCTILE MATERIALS BASED ON STRESS TRIAXIALITY
Published 2015-01-01“…Based on new method of finite element aided testing( FAT),the full-range constitutive relationship of ductile materials could be obtained. …”
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2074
On the relationship between J-integral and CTOD for CT and SENB specimens
Published 2013-04-01“…In this investigation the relationship between J-integral and CTOD is studied considering a Compact Tensile (CT) and Single edge notched bend (SENB) specimens using finite element analysis. The magnitude of CTOD is estimated by 90o-intercept method and also by plastic hinge model. …”
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2075
RESEARCH ON FATIGUE PERFORMANCE TEST AND LIFE PREDICTION FOR STATOR RUBBER OF PCP
Published 2018-01-01“…The rubber stator of PCP used for oil recovery is studied in this paper,Through the fatigue tension test of stator rubber material,establish of stator rubber S-N curve; The analysis of the finite element mechanical properties of PCP,determine the most likely fatigue failure position of screw pump is near the high pressure chamber spiral sealing belt; Prediction of fatigue crack formation life of stator rubber of PCP by Fe-safe,determine the the minimum fatigue crack formation life and safety factor of each model of the stator rubber of PCP,and it decreases with the increase of chamber pressure,And the relation between the fatigue crack formation life and the chamber pressure of the rubber stator is obtained.…”
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2076
Free Vibration of Partially Supported Cylindrical Shells
Published 1995-01-01“…Some of the important applications for this type of problem can be found in the cracked fan and rotor blades that can be idealized as partially supported shells with varying unsupported lengths. A finite element model based on small deflection linear theory was developed to obtain numerical solutions for this class of problems. …”
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2077
Study on Dynamic Characteristic and Sensitivity Analysis of Stern Bearing based on Harmonic Response Analysis
Published 2019-05-01“…In order to solve the problem of resonance and sound in the running process of water lubricated rubber stern bearing, the dynamic response analysis of stern bearing is carried out based on ANSYS finite element analysis platform. Firstly, the low order natural frequencies and modes of stern bearing are obtained by modal analysis. …”
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Article -
2078
Drawing Analysis and Calculation of Root Transition Curves of Root Cutting Gears
Published 2023-11-01“…It provides a reliable basis for establishing the finite element model of the root cutting gear, quantifying the relationship between the bending fatigue strength and the displacement coefficient of the root cutting gear, determining the best displacement coefficient of the root cutting gear, and studying the feasibility of the use of the root cutting gear in the industrial production.…”
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Article -
2079
SIMULATION ANALYSIS AND GROUND TEST OF SOLID ROCKET MOTOR GRAIN WITH SURFACE CRACK
Published 2021-01-01“…Then J integral of cracks was respectively calculated based on finite element method. With the engineering case analysis,fracture toughness and the ultimate value of J resistance were obtained under-50℃ ignition test. …”
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Article -
2080
Mechanism of crack branching in the fatigue crack growth path of 2324-T39 Aluminium alloy
Published 2016-01-01“…The crack paths were observed with optical microscope and in-situ SEM. Finite element crack tip simulation was performed to investigate the relationship between plastic zone size and the location of the secondary crack. …”
Get full text
Article