Showing 981 - 1,000 results of 2,135 for search '"Finite elements"', query time: 0.06s Refine Results
  1. 981

    A Composite Matching Layer with Anti-Reflection Characteristics for Broadband Acoustic Scattering Reduction by Shande Li, Xiaoxun Wu, Jinxiu Duan, Shuai Yuan, Cun Wang, Yane Ma, Zhifu Zhang

    Published 2021-01-01
    “…The correctness and effectiveness of the theoretical model are verified by the finite element method (FEM), showing acoustic reflectance of less than 13.5% at broadband frequencies. …”
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    Article
  2. 982

    Numerical analysis of isolated end-flattened steel bars under compression in space trusses by Henrique de Araujo Rosa Cruz, Luciano M. Bezerra, Welington Vital da Silva, Ramon Silva

    Published 2023-01-01
    “…The association of numerical analyses using the finite element method (FEM) with previously collected experimental data is performed, and their respective results are the core object of critical analysis in this work. …”
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    Article
  3. 983

    Response of a Two-Degree-of-Freedom Vibration System with Rough Contact Interfaces by Zhiqiang Huang, Xun Peng, Gang Li, Lei Hao

    Published 2019-01-01
    “…In this model, the force-deflection characteristic of the contact interfaces is determined by finite element analysis. By analyzing the undamped free vibration, it was found that the variation of the second-order natural frequency with amplitude increases with rougher contact interfaces; however, the amplitude has little influence on the first-order natural frequency of the system. …”
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    Article
  4. 984

    A Method of Reducing Motor Vibration: Natural Frequency, Damping Ratio, and Vibration Analysis of CFRP Motor Frame by Jinguang Zhang, Hairu Yang, Xiong Li, Wei Ye

    Published 2020-01-01
    “…The damp ratio of the CFRP motor frame is calculated by the damp prediction model based on strain energy, which is verified by the combination of the finite element method and experiment. The vibration characteristics of the CFRP frame motor are studied experimentally and compared with that of the metal frame motor. …”
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    Article
  5. 985

    High-Velocity Impact Behaviour of Prestressed Composite Plates under Bird Strike Loading by Sebastian Heimbs, Tim Bergmann

    Published 2012-01-01
    “…The modelling methodology for the composite material, delamination interfaces, impact projectile, and preload using the commercial finite element code Abaqus are presented in detail. Finally, the influence of prestress and of different delamination modelling approaches on the impact response is discussed and a comparison to experimental test data is given. …”
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    Article
  6. 986

    A Mesoscale Approach for Concrete Block Masonry by Xu Yang, Mingming Jia, Bin Chi, Mingzhi Wang, Jianfeng Zheng

    Published 2022-01-01
    “…However, it is still difficult to analyze the mesomodel efficiently due to a large number of operating processes caused by the components’ nonlinear mechanical properties. An efficient finite-element-method-based mesoscale approach for concrete block masonry was introduced in this paper. …”
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    Article
  7. 987

    Numerical analysis of isolated end-flattened steel bars under compression in space trusses by Henrique de Araujo Rosa Cruz, Luciano Mendes Bezerra, Welington Vital da Silva, Ramon Silva

    Published 2022-12-01
    “…The association of numerical analyses using the finite element method (FEM) with previously collected experimental data is performed, and their respective results are the core object of critical analysis in this work. …”
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    Article
  8. 988

    Miniaturized Wideband Aperture Coupled Microstrip Patch Antenna by Using Inverted U-Slot by Amandeep Singh, Surinder Singh

    Published 2014-01-01
    “…The theoretical analysis is based on the finite element method (FEM). This design has wide bandwidth, good return loss, VSWR, and radiation characteristics by implanting the inverted U-shaped stepped slots on a single aperture coupled patch. …”
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    Article
  9. 989

    Evaluating the safety and the effect of blast loading on the shotcrete together with lattice girder support of tunnels by Hamidreza Karimi Tabar, Farnoosh Basaligheh, Majid Nikkhah

    Published 2023-04-01
    “…For this purpose, LS-DYNA finite element software was used to assess the dynamic response of the structure to the vibration of the blasting-induced explosion. …”
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    Article
  10. 990

    Usporedba analitičkog i numeričkog proračuna vitkih ploča za međudjelovanja sila u ravnini i okomito na ravninu modela by Lidija Gros, Dragan Ribarić

    Published 2019-02-01
    “…Numerički postupak koristi metodu konačnih elemenata i slobodni software FEAP (Finite Element Analysis Program, Univesity of California at Berkeley), u koji je nadograđen vlastiti kod i koji numeričkom iteracijom omogućava rješavanje različitih ravninskih primjera stabilnosti ploča prikazanih o ovom radu.…”
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    Article
  11. 991

    Study on the Failure of the Bolted Flange Connection Structure between Stages of Missiles (Rockets) under Transverse Impact Load by Tonghui Tian, Jiehong Yuan, Daokui Li, Qingwen Wang, Baisheng Chen

    Published 2018-01-01
    “…The sequential failure mechanism of the structure under transverse impact load is analyzed and demonstrated according to the experimental results and the measured data. Additionally, a finite element model to simulate the failure process of the connection structure has been established, and the precision of the model has been verified and validated according to the experimental results. …”
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    Article
  12. 992

    Numerical study of transitions in lid-driven flows in shallow cavities by Pan, Tsorng-Whay, Chiu, Shang-Huan, Guo, Aixia, He, Jiwen

    Published 2023-02-01
    “…The numerical solution of the Navier–Stokes equations modeling incompressible viscous fluid flow in a cavity is obtained via a methodology combining a first order accurate operator-splitting scheme, a $L^2$-projection Stokes solver, a wave-like equation treatment of the advection and finite element space approximations. Numerical results of a lid-driven flow in a cubic cavity show a good agreement with those reported in literature. …”
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    Article
  13. 993

    Impact of Thin-Walled Projectiles with Concrete Targets by Rayment E. Moxley, Mark D. Adley, Bob Rohani

    Published 1995-01-01
    “…A computational simulation of a test was conducted with an impact/penetration model created by linking a rigid-body penetration trajectory code with a general-purpose finite element code. Scientific visualization of the resulting data revealed that circumferential buckling was induced by the impact conditions considered.…”
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    Article
  14. 994

    Inverse Approach to Evaluate the Tubular Material Parameters Using the Bulging Test by Yulong Ge, Xiaoxing Li, Lihui Lang

    Published 2015-01-01
    “…Tubular material parameters are required for both part manufactory process planning and finite element simulations. The bulging test is one of the most credible ways to detect the property parameters for tubular material. …”
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    Article
  15. 995

    The Effects of Crack on the Transmission Matrix of Rotor Systems by Z.K. Peng, Z.Q. Lang, G. Meng, F.L. Chu

    Published 2011-01-01
    “…In the present study, the infl uence of crack on the transmission matrices of the rotor systems is investigated by using the FEM (finite element method) analysis and the HBM (harmonic balance method) technique. …”
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    Article
  16. 996

    Micromorphology and damage characterization of vacuum brazed stainless steel joints with laser etched interfaces by Jie Wang, Huixin Chen, Yichuan Wang, Nian Li, Xinlong Wei, Xiang Ling

    Published 2025-01-01
    “…With the increase of laser etching times, the shear strength of brazed joints shows a gradual decline trend. The finite element results indicate that the microstructure formed by laser etching promotes the generation of thermal residual compressive stress and reduces residual tensile stress.…”
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    Article
  17. 997

    Evaluation of an Improved Technique for Geosynthetic-Reinforced and Pile-Supported Embankment by Jun Zhang, Shao-wen Liu, He-fu Pu

    Published 2015-01-01
    “…To investigate the performance of the FGT embankment, the comparison analyses and parametric studies are conducted by Finite Element Method (FEM). The influencing factors investigated include elastic modulus of soil, tensile stiffness of geosynthetics, pile length, pile spacing, and pile elastic modulus. …”
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    Article
  18. 998

    Analysis of Naturally Occurring Radioactive Material (NORM) in shifting earth layers in Piyungan, Bantul by Iqbal Nurrahim, Andang Widi Harto, Yohannes Sardjono, Isman Mulyadi Triatmoko, Zuhdi Ismail, Gede Sutresna Wijaya

    Published 2025-02-01
    “…We developed a radon well geometry for Piyungan using Finite Element Method principles, and conducted simulations via GNU Octave to assess normal and anomalous conditions. …”
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    Article
  19. 999

    The Influence of the Track Parameters on Vibration Characteristics of Subway Tunnel by Wenbo Shi, Linchang Miao, Junhui Luo, Honglei Zhang

    Published 2018-01-01
    “…A nonlinear coupling model of wheel-track and a finite element calculation model of tunnel and soil were established based on the mechanical character of elastic supporting block ballastless track and the actual parameters of Nanjing soft soil. …”
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    Article
  20. 1000

    A Generalized Multiconductor Transmission Line Model and Optimized Method for the Solution of the MTL Equations by Chaoqun Jiao, Zhanjun Xia, W. N. Fu

    Published 2012-01-01
    “…Then, the optimized solution based on Time domain finite element method (TDFEM) is developed for the above MTL equations. …”
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    Article