Showing 1,361 - 1,380 results of 2,135 for search '"Finite elements"', query time: 0.05s Refine Results
  1. 1361

    Research on Numerical Simulation of Tantalum Explosively Formed Projectile Forming Driven by Detonation by Yajun Wang, Weibing Li, Jiaxin Yu, Wenbin Li, Heyang Xu

    Published 2022-01-01
    “…In order to study the formation characteristics of tantalum explosively formed projectile (EFP), based on LS-DYNA finite-element software, this article analyzes the influence of mesh size on tantalum EFP forming, compares the accuracy of JC constitutive parameters in different literature on the characterization of tantalum EFP forming, calculates the effective action time of detonation that drives EFP formation, and carries out experimental verification. …”
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    Article
  2. 1362

    A strain based Lipschitz regularization for materials undergoing damage by Kamasamudram, Vasudevan, Stainier, Laurent

    Published 2023-03-01
    “…In presence of materials exhibiting a softening response, Finite Element analyses performed with a constitutive model typically use a length scale, which can be introduced into the problem in multiple ways. …”
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    Article
  3. 1363

    Fatigue Analysis of a Light Truck Rear Axle Based on Virtual Iteration Method by Donglong Zhou, Jianlong Chang

    Published 2022-01-01
    “…Secondly, the FEA (finite element analysis) model of the rear axle is built, and the static analysis results of each key point under unit load are obtained with the help of FEA software. …”
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    Article
  4. 1364

    Vibration Characteristics and Power Flow Analyses of a Ship Propulsion Shafting System with General Support and Thrust Loading by Deshui Xu, Jingtao Du, Chuan Tian

    Published 2020-01-01
    “…Numerical examples are presented to demonstrate the reliability and effectiveness of the established model by comparing results with those from finite element method. Results show that the current model can deal with the vibration analysis of ship propulsion shafting with thrust loading and distributed bearing very well. …”
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    Article
  5. 1365

    Determination of Slope Safety Factor with Analytical Solution and Searching Critical Slip Surface with Genetic-Traversal Random Method by Wen-jie Niu

    Published 2014-01-01
    “…However GA needs to be validated with more numeric tests, while Fellenius’ slices method is just an approximate method like finite element method. This paper proposed a new method to determine the minimum slope safety factor which is the determination of slope safety factor with analytical solution and searching critical slip surface with Genetic-Traversal Random Method. …”
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    Article
  6. 1366

    Numerical Simulation and Analysis of Diffusion Process for the Leakages of a Tunnel LNG Pipeline by Chunyan Kong, Derong Zhang, Rong Cai, Shuangshuang Li, Rongjun Zhu

    Published 2020-01-01
    “…Taking a practical project as an example, based on the computational fluid dynamics (CFD), standard k-ε model and finite element method, a mathematical model for the diffusion due to liquefied natural gas (LNG) pipeline leakage in a tunnel was established, and the diffusion process was numerically simulated for three LNG leakage cases. …”
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    Article
  7. 1367

    Simulation of Chloride Diffusion in Cracked Concrete with Different Crack Patterns by Xiao-Yong Wang, Li-Na Zhang

    Published 2016-01-01
    “…For stress-free concrete, the diffusion coefficient of sound zone is approximately assumed to be the same as sound concrete, and the diffusion coefficient of cracked zone is expressed as a piecewise function of crack width. Two-dimensional finite element method is used to determine chloride concentration. …”
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    Article
  8. 1368

    Characterization of Vertical Response of Asphalt Trackbed Concrete in Railway Substructure to External Loads by Bekhzad Yusupov, Yanjun Qiu, Galibjon Sharipov, Chaoyang Wu

    Published 2020-01-01
    “…In this paper, numerical modelling and simulation of vertical dynamics of the railway track structure engaging the asphalt concrete in substructures were carried out. Thus, a 3D finite element (FE) model was developed. The developed model was validated by comparing its outputs, that is, acceleration with the measured ones from realistic experimental data. …”
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    Article
  9. 1369

    Investigating the Pavement Vibration Response for Roadway Service Condition Evaluation by Zhoujing Ye, Yang Lu, Linbing Wang

    Published 2018-01-01
    “…The random nonuniform moving load was then introduced in a 3D finite element model for the determination of the traffic-induced pavement vibration. …”
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    Article
  10. 1370

    The Effects of Different Materials and Geosynthetics on Embankment Safety and Behavior by Elif Çiçek

    Published 2020-07-01
    “…In this study, road embankment models constructed with new materials obtained from the recycling of natural and waste materials were analysed using the finite element method. The effects of different materials such as sandy silt, rock aggregate, concrete, glass on the road fill were investigated and the results of the analysis of the models using waste fibers in the road fill were compared with the natural conditions. …”
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    Article
  11. 1371

    An All-Solid Dispersion-Compensating Photonic Crystal Fiber Based on Mode Coupling Mechanism in Dual-Concentric Core by Zhaolun Liu, Chunlan Zhang, Yuwei Qu

    Published 2020-01-01
    “…The mode coupling characteristics, dispersion, confinement loss of the fiber, and the influence on dispersion of some structure parameters are simulated by full-vector finite element method. By using the relationship between phase matching wavelengths and coupling strength with the change of fiber microstructure parameters, an all-solid dual-concentric-core dispersion-compensating photonic crystal fiber is presented. …”
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    Article
  12. 1372

    Numerical Analysis for U-Shaped Thin-Walled Structure Reinforced Timber Beam Based on Thin-Layer Beam Theory by Hui Liu, Jun Hu, Guohui Li, Guangying Mo

    Published 2019-01-01
    “…The proposed model has been validated by comparing the results obtained in the present analysis with experimental results and finite element analysis. Furthermore, the results suggested that the value of flange height can be one-fifth the beam height based on the present analysis by comparison of two types of beams. …”
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    Article
  13. 1373

    Multiple Reflective Cracks in Semirigid Base Asphalt Pavement under Traffic Load Using XFEM by Lei Guo, Jinchao Yue, Pan Guo, Xiaofeng Wang

    Published 2022-01-01
    “…This paper built a three-dimensional layered structure model of semirigid base asphalt pavement with single and double transverse reflective cracks based on the Extended Finite Element Method and fatigue fracture theory. The effects of the number of cracks, crack spacing, and crack length on the stress intensity factors (KI, KII, and Keff) under moving vehicle loads were studied. …”
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    Article
  14. 1374

    Vibration Failure Analysis and Countermeasures of the Inlet Pipelines at a Gas Compressor Station by Shuangshuang Li, Liwen Zhang, Chunyan Kong

    Published 2019-01-01
    “…A better modification model was applied by performing modal analysis and fluid-structure interaction (FSI) vibration analysis using the finite element method. The effect of countermeasures was evaluated by vibration and pulsation measurements during operation after modifications, which results showed the level of piping vibration and pressure pulsation was within the allowable limits. …”
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    Article
  15. 1375

    Effect Analysis on Combustion and Emission Characteristics of a Rotary Burner Fueled by Biomass Pellet Fuel by Guohai Jia, Lijun Li, D. M. Zhang

    Published 2020-01-01
    “…A biomass pellet rotary burner was chosen as the research object, in order to study the influence of excess air coefficient on the combustion phenomenon of biomass rotary burner, the finite element simulation model of a biomass rotary burner was established, and simulation results of a biomass rotary burner were verified by the experiment. …”
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    Article
  16. 1376

    Experimental and Numerical Failure Analysis of Adhesive Composite Joints by Farhad Asgari Mehrabadi

    Published 2012-01-01
    “…To achieve the aims, Double Cantilever Beam (DCB) was used to evaluate the fracture state under the mode-I loading (opening mode) and also hybrid lap-joint was employed to investigate the failure load and strength of bonded joints. The finite-element study was carried out to understand the stress intensity factors in DCB test to account fracture toughness using J-integral method as a useful tool for predicting crack failures. …”
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    Article
  17. 1377

    A Pilot Study on Structural Responses of Normal Concrete-UHPC Composite Bridge Decks w/wo Rebars through an Experimental-Numerical Approach by Siqi Yuan, Zhao Liu, Teng Tong, Chung C. Fu

    Published 2020-01-01
    “…Moreover, analytical solutions for predicting a composite deck’s flexural and shear strengths are tentatively derived. Finally, 3D finite element (FE) models are developed within ATENA framework, capable of embracing the NC-UHPC interface’s behaviors. …”
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    Article
  18. 1378

    Charged System Search Algorithm Utilized for Structural Damage Detection by Zahra Tabrizian, Gholamreza Ghodrati Amiri, Morteza Hossein Ali Beigy

    Published 2014-01-01
    “…The method is applied at an element level using a finite element model. According to continuum damage mechanics, damage is represented by a reduction factor of the element stiffness. …”
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  19. 1379

    Investigations of the Elongational Deformation Induced by Pins in Pin-Barrel Cold-Feed Extruders by Zhilin Wang, Yiren Pan, Yanchang Liu, Jing Huang, Ning Wang, Xuehua Hu

    Published 2022-01-01
    “…It is proved that there is elongational deformation when the fluid bypasses the pin, and the elongational deformation is quantitatively calculated. The finite element method is used to simulate the flow field of the screw mixing section of the pin-barrel cold-feed extruder with different specifications. …”
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    Article
  20. 1380

    Propagation of Transverse Wave for the Piezoelectric Radial Phononic Crystal Annular Plate in a Fibonacci Order by Wei Liu, Guangbin Yu

    Published 2021-01-01
    “…Compared with conventional PC structures, transmission response of transverse vibration for the Fibonacci RPCAP model is calculated theoretically to analyze the stop band phenomenon. Finite element simulation method (FEM) is conducted here to verify the theoretical results. …”
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    Article