Showing 181 - 200 results of 1,758 for search '"geometry"', query time: 0.06s Refine Results
  1. 181

    All-Metal Metamaterial-Based Sensor with Novel Geometry and Enhanced Sensing Capability at Terahertz Frequency by Sagnik Banerjee, Ishani Ghosh, Carlo Santini, Fabio Mangini, Rocco Citroni, Fabrizio Frezza

    Published 2025-01-01
    “…This research proposes an all-metal metamaterial-based absorber with a novel geometry capable of refractive index sensing in the terahertz (THz) range. …”
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    Article
  2. 182

    Instability Process of Crack Propagation and Tunnel Failure Affected by Cross-Sectional Geometry of an Underground Tunnel by Xianjie Hao, Shaohua Wang, Duoxiang Jin, Bo Ren, Xiangyang Zhang, Kailong Qiu, Yingjie Fan

    Published 2019-01-01
    “…The process of crack propagation and tunnel failure is affected by the cross-sectional geometry of an underground tunnel. In order to quantify the effect of section shape on the process of crack propagation in deep tunnels under high ground stress conditions, a total of four physical models with two cross-sectional shapes and twelve stress levels were designed and several large-scale physical model tests were conducted. …”
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  3. 183

    Dynamic Response in Transient Operation of a Variable Geometry Turbine Stage: Influence of the Aerodynamic Performance by Nicolas Binder, Jaime Garcia Benitez, Xavier Carbonneau

    Published 2013-01-01
    “…The transient response of a radial turbine stage with a variable geometry system is evaluated. Mainly, the consequences of the variations of the aerodynamic performance of the stage on the response time are checked. …”
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    Article
  4. 184

    A New Construction of Multisender Authentication Codes from Pseudosymplectic Geometry over Finite Fields by Xiuli Wang

    Published 2013-01-01
    “…In this paper, we construct one multisender authentication code from pseudosymplectic geometry over finite fields. The parameters and the probabilities of deceptions of this code are also computed.…”
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    Article
  5. 185

    Geometry-Based Synchrosqueezing S-Transform with Shifted Instantaneous Frequency Estimator Applied to Gearbox Fault Diagnosis by Xinping Zhu, Wuxi Shi, Zhongxing Huang, Liqing Shi

    Published 2025-01-01
    “…This paper introduces a novel geometry-based synchrosqueezing S-transform (GSSST) for advanced gearbox fault diagnosis, designed to enhance diagnostic precision in both planetary and parallel gearboxes. …”
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    Article
  6. 186

    Aerodynamic Performance Comparisons of Two Kinds of Variable Nozzle Vanes for a Variable Geometry Turbine by Zhuyu Jiang, Ming Qiu, Huanhuan Chen, Yunxia You

    Published 2024-01-01
    “…Although cantilevered variable nozzle vane (VNV) is already used in engineering practice, few researches about cantilevered variable geometry turbine (VGT) aerodynamic performance can be found in public references. …”
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  7. 187

    An Efficient Collocation Method for a Class of Boundary Value Problems Arising in Mathematical Physics and Geometry by A. H. Bhrawy, A. S. Alofi, R. A. Van Gorder

    Published 2014-01-01
    “…One natural example is a nonlinear boundary value problem related to the Yamabe problem which arises in mathematical physics and geometry. A number of specific numerical experiments demonstrate the accuracy and the efficiency of the spectral method. …”
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  10. 190

    Analysis of Bianchi Type V Holographic Dark Energy Models in General Relativity and Lyra’s Geometry by Daba Meshesha Gusu, M. Vijaya Santhi

    Published 2021-01-01
    “…Moreover, it is observed that the gauge function βt is a decreasing function of cosmic time in Lyra’s geometry, and for late times, the gauge function βt converges to zero and Lyra’s geometry reduces to general relativity in all respects. …”
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  14. 194

    Localization of Energy-Momentum for a Black Hole Spacetime Geometry with Constant Topological Euler Density by Irina Radinschi, Theophanes Grammenos, Farook Rahaman, Andromahi Spanou, Marius Mihai Cazacu, Surajit Chattopadhyay, Antonio Pasqua

    Published 2018-01-01
    “…Some limiting and particular cases are analyzed and discussed, illustrating the rather extraordinary character of the spacetime geometry considered.…”
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  17. 197

    Studies on the Influence of Drying Shrinkage Test Procedure, Specimen Geometry, and Boundary Conditions on Free Shrinkage by Bruce Menu, Marc Jolin, Benoit Bissonnette

    Published 2017-01-01
    “…A second series of experimental results are presented from specimens with different geometries and S/V ratio exposed to drying to illustrate that drying shrinkage is dependent on both the specimen geometry and the surface exposed to drying. …”
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  18. 198

    A New Geometry of Multi-band MIMO Antenna for 5G and 6G Systems by Karrar Shakir Muttair, Oras Ahmed Shareef, Hazeem Baqir Taher, Faiz Arith

    Published 2024-12-01
    “…In this manuscript, we propose a novel geometry for a 4-port multi-in multi-out (MIMO) antenna with an L-shaped structure that solves the limitations of current designs in UWB applications. …”
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  19. 199

    Some New Constructions of Authentication Codes with Arbitration and Multi-Receiver from Singular Symplectic Geometry by You Gao, Huafeng Yu

    Published 2011-01-01
    “…A new construction of authentication codes with arbitration and multireceiver from singular symplectic geometry over finite fields is given. The parameters are computed. …”
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