Showing 1,841 - 1,860 results of 2,426 for search '"geometry"', query time: 0.06s Refine Results
  1. 1841

    Thermo-mechanical response of aluminum alloy in the additive friction-stir deposition process by Chowdhury Sadid Alam, Vahid Karami, Shengmin Guo, M Shafiqur Rahman

    Published 2025-02-01
    “…For instance, an optimal solid-state deposition of AA 6061-T6 alloy is achieved with 380 RPM tool rotation speed, 0.9 mm/s tool traverse speed, and 0.3 mm/s material deposition rate for the geometry reported in this study. The CEL model is validated by comparing its results (e.g., peak temperature) with the experimental data and published computational results for the same combination of process parameters, giving the maximum errors of 8 % and 2.8 %, respectively. …”
    Get full text
    Article
  2. 1842

    A review of recent advancements in the impact response of fiber metal laminates by Vijayan Muniyan, Vishnu Vijay Kumar, Indran Suyambulingam, Suganya Priyadharshini, Divya Divakaran, Sanjay Mavinkere Rangappa, Suchart Siengchin

    Published 2025-01-01
    “…Low-velocity impacts, commonly encountered during manufacturing, handling, and tool drops, are discussed, with a focus on damage mechanisms, energy absorption capabilities, and influential factors such as impactor geometry and boundary conditions. Additionally, this review delves into high-velocity impact events, simulating scenarios such as ballistic impacts, highlighting the role of FMLs in mitigating perforation and enhancing damage tolerance. …”
    Get full text
    Article
  3. 1843

    Coseismic deformation and seismogenic structure of the 2024 Hualien Earthquake measured by InSAR and GNSS by Jiangtao Qiu, Lingyun Ji, Liangyu Zhu, Yongsheng Li, Chuanjin Liu, Qiang Zhao

    Published 2025-01-01
    “…By integrating the three-dimensional GNSS co-seismic deformation field, we identified the seismogenic fault located in the offshore thrust zone east of Hualien, trending towards the northwest. The fault geometry parameters, obtained through the inversion of an elastic half-space homogeneous model, indicated an optimal fault strike of 196°, a dip angle of 30.9°, and an average strike-slip of 0.4 ​m and dip-slip of −2.6 ​m. …”
    Get full text
    Article
  4. 1844

    Absorption spectra of Nitrazine Yellow indicator. Experimental data and quantum chemical evaluations by Inna Khristenko, Volodymyr Ivanov

    Published 2024-06-01
    “…Two of these forms (A and B) correspond to azo-hydrazone tautomerism, while the third form (C) represents the deprotonated state. Ground state geometry calculations indicate that the π-conjugated part of form A is largely planar and stabilized by an intramolecular hydrogen bond O-H...N. …”
    Get full text
    Article
  5. 1845

    Effect of plasma beta on the nonlinear evolution of m/n = 2/1 double tearing mode in high Lundquist number regime by Dingzong Zhang, Zhaoqing Wu, Jun Ma, Wenfeng Guo, Yanqing Huang, Hongbo Liu

    Published 2025-01-01
    “…In this paper, the effect of plasma beta on the nonlinear evolution of the m / n = 2/1 DTM in large Lundquist number regime is numerically investigated in a cylinder geometry. The results demonstrate that the impact of plasma beta on plasmoid dynamics varies significantly with the separation distance between rational surfaces. …”
    Get full text
    Article
  6. 1846

    Literature Review on Single and Twin-Screw Extruders Design for Polymerization Using CFD Simulation by Elham Delvar, Inês Oliveira, Margarida S. C. A. Brito, Cláudia G. Silva, Arantzazu Santamaria-Echart, Maria-Filomena Barreiro, Ricardo J. Santos

    Published 2025-01-01
    “…The state-of-the-art CFD models for single and twin-screw extruders design address the impact of geometry (type of mixing elements and geometrical simplifications of CFD geometries), pressure and temperature gradients, and quantification of mixing. …”
    Get full text
    Article
  7. 1847

    Waterflood Management Using Hybrid Approach of Streamline-Based Interwell Flux Information and Finite Volume Reservoir Simulation by Zhouyuan Zhu, Zhengdong Lei, Zhangxin Chen

    Published 2018-01-01
    “…Streamline tracing is performed successfully not only on simple geometry corner point grid cases, but also on heavily faulted realistic reservoirs under waterflood. …”
    Get full text
    Article
  8. 1848

    Optimization of hydrothermal performance in industrial heat sinks with innovative perforated pin fin designs: A numerical approach by Fatema-Tuj Zohora, Mohammad Rejaul Haque, Nabil Mohammad Chowdhury, Mostafa Kamal Fahad, Nowroze Farhan Ifraj

    Published 2025-01-01
    “…In order to make a comparison of geometry, the hydrothermal performance factor (HTPF) is utilized for Reynolds number (Re) values ranging from 8500 to 44,502. …”
    Get full text
    Article
  9. 1849

    Effect of Motor Blockage on Transient Characteristics of Asymmetric Flow in a Double-suction Centrifugal Fan by S. Du, X. Wu, Z. Wang, W. Yang, Z. Yang, Z. Wang, W. Zhang

    Published 2025-02-01
    “…The flow fluctuation is notably asymmetric and non-uniform due to the non-axisymmetric geometry of the volute and the motor blockage. The blade passages are occupied by strong reversed flow, and a low-pressure region exists in the impeller. …”
    Get full text
    Article
  10. 1850

    Analysis of Illumination Generated by LED Matrices Distribution by P. S. Bogdan, E. G. Zaytseva, P. O. Baranov, A. I. Stepanenko

    Published 2022-04-01
    “…Such modernization can be carried out by changing the geometry of matrices differentiating the power modes of individual LEDs. …”
    Get full text
    Article
  11. 1851

    Investigation of Ionospheric Small‐Scale Plasma Structures Associated With Particle Precipitation by F. Enengl, L. Spogli, D. Kotova, Y. Jin, K. Oksavik, N. Partamies, W. J. Miloch

    Published 2024-01-01
    “…The simultaneous use of the 1 s GNSS‐based scintillation indices allows identifying the scale size of the irregularities involved in plasma structuring in the range of small (up to few hundreds of meters) and medium‐scale size ranges (up to few kilometers) for GNSS frequencies and observational geometry. Additionally, they allow identifying the diffractive and refractive nature of fluctuations on the recorded GNSS signals. …”
    Get full text
    Article
  12. 1852

    Modeling the contour arc based on Dezargues configuration by E. V. Konopatskiy, I. G. Balyuba

    Published 2022-06-01
    “…The given methods of parametrization of geometrical objects in the point calculus on the basis of a simple relation of three points of a straight-line invariant concerning parallel projection, can be used by other researchers for the solution of a wide range of problems of engineering geometry and computer graphics. Examples of modeling spatial and planar, closed and unclosed arcs of the circumference, which can find their application as shape-forming elements of surfaces of technical forms, are given.…”
    Get full text
    Article
  13. 1853
  14. 1854

    A review of characteristic lengths in the coupled criterion framework and advanced fracture models by Molnár, Gergely, Doitrand, Aurélien, Estevez, Rafael,  Gravouil, Anthony

    Published 2025-01-01
    “…It addresses limitations in traditional Linear Elastic Fracture Mechanics, which struggle to predict small-scale crack behaviors, and highlights the need for models that allow characteristic lengths to emerge from material properties and geometry rather than being predefined inputs.The review covers two main characteristic lengths: the initiation crack length and Irwin’s length, examining their interactions with lengths used in other fracture approaches such as Phase-Field methods, Cohesive Zone Models, and atomic-scale simulations. …”
    Get full text
    Article
  15. 1855

    A Study of the Roots of Folding Urbanism Based on the Genealogy of Michel Foucault by arsalan Karimi khiavi, Siamak Panahi, Shahab Kariminia

    Published 2024-09-01
    “…The process of this research has reached the conclusion that Folding urbanism is based on Mendelbrot fractal geometry, Lotfizadeh fuzzy logic and in Lawrence chaos atmosphere and power relations in the glory of feminism and its manifestation on urbanism are the main reasons for the formation. …”
    Get full text
    Article
  16. 1856

    Prediction of the Bending Strength of Boltless Steel Connections in Storage Pallet Racks: An Integrated Experimental-FEM-SVM Methodology by Zhi-Jun Lyu, PeiCai Zhao, Qi Lu, Qian Xiang, HongLiang Li

    Published 2020-01-01
    “…Due to many differences in the material, geometry, and assembly method of the commercially available beam-end-connectors in steel storage pallet racks (SPR), no common numerical model has been universally accepted to accurately predict the M–θ behavior of complex semirigid connections so far. …”
    Get full text
    Article
  17. 1857

    A DFT Study of Structural and Bonding Properties of Complexes Obtained from First-Row Transition Metal Chelation by 3-Alkyl-4-phenylacetylamino-4,5-dihydro-1H-1,2,4-triazol-5-one a... by Hubert Jean Nono, Désiré Bikélé Mama, Julius Numbonui Ghogomu, Elie Younang

    Published 2017-01-01
    “…Neutral ADPHT ligand and mono deprotonated ligands have been used. Geometry optimizations have been performed in gas-phase and solution-phase (water, benzene, and N,N-dimethylformamide (DMF)) with B3LYP/Mixed I (LanL2DZ for metal atom and 6-31+G(d,p) for C, N, O, and H atoms) and with B3LYP/Mixed II (6-31G(d) for metal atom and 6-31+G(d,p) for C, N, O, and H atoms) especially in the gas-phase. …”
    Get full text
    Article
  18. 1858

    Nano-Azo Ligand and Its Superhydrophobic Complexes: Synthesis, Characterization, DFT, Contact Angle, Molecular Docking, and Antimicrobial Studies by Gehad G. Mohamed, Walaa H. Mahmoud, Ahmed M. Refaat

    Published 2020-01-01
    “…All complexes displayed an octahedral geometry according to the electronic and magnetic moment measurements. …”
    Get full text
    Article
  19. 1859

    Serrated chips morphology and formation mechanism of laser additive manufactured materials for subtractive machining by Meng Liu, Guohe Li, Shanshan Zhao, Yujun Cai, Chunzheng Duan

    Published 2025-03-01
    “…This leads to irregular chip geometry and non-periodic features in the serrated chips. …”
    Get full text
    Article
  20. 1860

    A Probe-Compensated Helicoidal NF-FF Transformation for Aperture Antennas Using a Prolate Spheroidal Expansion by Amedeo Capozzoli, Claudio Curcio, Giuseppe D'Elia, Flaminio Ferrara, Claudio Gennarelli, Rocco Guerriero, Angelo Liseno

    Published 2012-01-01
    “…A new probe-compensated near-field-far-field (NF-FF) transformation for aperture antennas in a cylindrical scanning geometry is presented. Such a technique takes the advantage of the NF data acquisition made according to a very efficient sampling strategy along a helix and exploits a proper aperture field expansion based on the use of the prolate spheroidal wave functions (PSWFs), accounting for the a priori information on shape and size of the antenna under test. …”
    Get full text
    Article