Showing 361 - 380 results of 596 for search '"curvature"', query time: 0.04s Refine Results
  1. 361

    Regular black holes from Kiselev anisotropic fluid by L. C. N. Santos

    Published 2024-12-01
    “…Our analysis confirms that the curvature invariants associated with the regular black holes remain finite at the origin, indicating the absence of singularities. …”
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    Article
  2. 362

    Bending Capacity of Concrete-Encased Underground Electrical Duct Banks under Monotonic Loading: An Experimental Study by Ting-jin Liu, Liang-yi Cai, Qiang Liao, Yu-bing Yang

    Published 2021-01-01
    “…The threshold of the longitudinal curvature radius is determined to be 18000 m. Finally, the evolution trends of the stress and deformation rates of HDPE conduits are recommended for the monitoring indexes and control standards of electrical duct banks.…”
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  3. 363

    High Accuracy 2D-DOA Estimation for Conformal Array Using PARAFAC by Liangtian Wan, Weijian Si, Lutao Liu, Zuoxi Tian, Naixing Feng

    Published 2014-01-01
    “…Due to the polarization diversity (PD) of element patterns caused by the varying curvature of the conformal carrier, the conventional direction-of-arrival (DOA) estimation algorithms could not be applied to the conformal array. …”
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  4. 364

    Surface Plasmon Singularities by Gabriel Martínez-Niconoff, P. Martinez-Vara, G. Diaz-Gonzalez, J. Silva-Barranco, A. Carbajal-Domínguez

    Published 2012-01-01
    “…In both cases the electromagnetic field has a slit-shaped curve as a boundary condition, and the singularities correspond to a shock wave that is a consequence of the curvature of the slit curve. As prototypes, we generate singularities that correspond to fold and cusped regions. …”
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  5. 365

    Spinning bodies in general relativity from bosonic worldline oscillators by Kays Haddad, Gustav Uhre Jakobsen, Gustav Mogull, Jan Plefka

    Published 2025-02-01
    “…Higher-spin Hamiltonians are classified to linear and quadratic order in curvature. Finally, perturbative computations at 1PM order for arbitrary powers and orientations of spin and at 2PM up to quartic spin order are performed, recovering results from the literature.…”
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  6. 366

    Automatic 4-mirrors system for alignment of high-power laser radiation by V.V. Toporovsky, A.G. Alexandrov, I.V. Galaktionov, A.L. Rukosuev, A.V. Kudryashov

    Published 2024-02-01
    “…The pointing accuracy was analyzed on the far-field sensor and equaled 15.34 µrad along the X axis and 12.03 µrad along the Y axis. The curvature of the wavefront was 0.06 µm.…”
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  7. 367

    Geometrical deformation of brane matter field within f(R, Q, P) gravity by Fernando M. Belchior, Roberto V. Maluf, Albert Yu. Petrov, Paulo J. Porfírio

    Published 2024-12-01
    “…In this work, we investigate a codimension-one thick brane within the framework of f(R, Q, P) gravity, where R represents the curvature scalar, while $$Q=R_{\mu \nu }R^{\mu \nu }$$ Q = R μ ν R μ ν and $$P=R_{\mu \nu \alpha \beta }R^{\mu \nu \alpha \beta }$$ P = R μ ν α β R μ ν α β are quadratic geometric invariants. …”
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  8. 368

    The Mask of Odd Points n-Ary Interpolating Subdivision Scheme by Ghulam Mustafa, Jiansong Deng, Pakeeza Ashraf, Najma Abdul Rehman

    Published 2012-01-01
    “…Furthermore, we present brief comparison of total absolute curvature of subdivision schemes having different arity with different complexity. …”
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  9. 369

    Metachronous Liver Metastasis from Alpha-Fetoprotein-Producing Gastric Cancer Successfully Treated with Capecitabine/Oxaliplatin Combination Chemotherapy by Soichi Furukawa, Takashi Kobayashi, Saori Shiono, Shuta Nishinakagawa

    Published 2022-01-01
    “…A 73-year-old man was referred for the surgical treatment of a type 2 gastric tumor that extended from the greater curvature of the gastric corpus to the pylorus. As no remote metastases were detected, the patient underwent open total gastrectomy with lymphadenectomy and Roux-en-Y reconstruction. …”
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  10. 370

    Simulation of Particle-Fluid Interaction in Fractal Fractures Based on the Immersed Boundary-Lattice Boltzmann Method by Shenggui Liu, Songlei Tang, Jinkuang Huang, Mindong Lv, Yingjun Li

    Published 2020-01-01
    “…Increasing fracture fractal dimension surges the curvature of the fluid channel, but permeability has a negative exponential correlation to fractal dimension. …”
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  11. 371

    Numerical Simulation of Surface Movement and Deformation Caused by Underground Mining with Complex Stratigraphic Boundary by Liang Wang, Chao He, Songjun Cui, Feifei Wang

    Published 2021-01-01
    “…The values of surface tilt, surface curvature, and surface horizontal deformation are less than the relevant regulations. …”
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    Article
  12. 372

    Stability of evolving cluster of stars and exotic matter by Wasee Shahid, Rubab Manzoor, Saadia Mumtaz, Syed Ali Mardan, Adnan Malik

    Published 2024-12-01
    “…We observe that high curvature geometry enhances quasi-homologous evolution in the presence of shear. …”
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  13. 373

    Regular black holes from pure gravity by Pablo Bueno, Pablo A. Cano, Robie A. Hennigar

    Published 2025-02-01
    “…We show via an explicit construction how an infinite tower of higher-curvature corrections generically leads to a resolution of the Schwarzschild singularity in any spacetime dimension D≥5. …”
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  14. 374

    Landslide susceptibility assessment by implementing the analytical hierarchy process in GIS weight overlay tool: A case study of the Krupanj area in Western Serbia by Đokanović Sonja

    Published 2024-01-01
    “…Nine factors were used for susceptibility analysis: slope, aspect, curvature, elevation, lithology, distance from rivers, faults, boundary’s and land cover. …”
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  15. 375

    Sustainable Development and Flood Risk Assessment in Haripur District: A Multicriteria Analysis Using AHP and Geospatial Techniques by Zulqarnain Jehan, Ali Husnain, Muhammad Waseem, Sareer Ahmad, Megersa Kebede Leta

    Published 2025-01-01
    “…An eight-factor multiparametric method to flood risk susceptibility mapping includes precipitation, distance to river, the slope, elevation, land use/cover, topographic wetness index, type of soil, and curvature. An urban flood risk index (UFRI) is established based on vulnerability mapping, revealing that approximately 33% of Haripur District, Khyber Pakhtunkhwa, Pakistan, is prone to floods. …”
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  16. 376

    Application of BP Neural Network Improved by Fireworks Algorithm on Suspender Damage Prediction of Long-Span Half-Through Arch Bridge by Jian Guo, Wu Guo

    Published 2023-01-01
    “…By analyzing the main difficulties and existing problems of suspender damage identification, this paper takes the change rate of modal curvature as the damage index, introduces fireworks algorithm into the neural network model, optimizes the optimization process of neural network weight and threshold, and proposes a prediction model based on improved BP neural network by fireworks algorithm. …”
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  17. 377

    Study on Impact Mechanical Properties of Reentrant Bionic Automotive Energy Absorbing Box by Zhi-xin Liu, Wei-dong Liu

    Published 2023-01-01
    “…The improved bionic structures with curvature are designed according to the spider web: honeycomb structure (HS), arc-honeycomb structure (AHS), negative Poisson structure (PS), and arc negative Poisson structure (APS). …”
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  18. 378

    Effect of torsion in long-baseline neutrino oscillation experiments by Papia Panda, Dinesh Kumar Singha, Monojit Ghosh, Rukmani Mohanta

    Published 2025-01-01
    “…In a curved spacetime, the effect of curvature on fermionic fields is represented by spin connection. …”
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  19. 379

    GIS-Based Landslide Susceptibility Mapping Using Frequency Ratio and Shannon Entropy Models in Dejen District, Northwestern Ethiopia by Abinet Addis

    Published 2023-01-01
    “…The 11 landslides conditioning factors like slope, elevation, aspect, curvature, topographic wetness index, normalized difference vegetation index, distance from road, distance from river, distance from faults, land use, and rainfall were integrated with training landslides to determine the weights of each landslide conditioning factor and factor classes using both frequency ratio and Shannon entropy models. …”
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  20. 380

    A Wideband End-Fire Conformal Vivaldi Antenna Array Mounted on a Dielectric Cone by Zengrui Li, Xiaole Kang, Jianxun Su, Qingxin Guo, Yaoqing (Lamar) Yang, Junhong Wang

    Published 2016-01-01
    “…Our simulations show that the cone curvature has an obvious influence on the performance of the conformal antenna, in terms of both the bandwidth and the radiation patterns. …”
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