Showing 961 - 980 results of 1,758 for search '"geometry"', query time: 0.05s Refine Results
  1. 961

    Vortex Shedding Lock-In due to Pitching Oscillation of a Wind Turbine Blade Section at High Angles of Attack by Craig Meskell, Alberto Pellegrino

    Published 2019-01-01
    “…The unsteady flow around a pitching two-dimensional airfoil section (NREL S809) has been simulated using unsteady RANS with the transition SST turbulence model. This geometry is chosen to represent a wind turbine blade in a standstill configuration. …”
    Get full text
    Article
  2. 962

    Mechanical Behaviour of Inconel 718 Thin-Walled Laser Welded Components for Aircraft Engines by Enrico Lertora, Chiara Mandolfino, Carla Gambaro

    Published 2014-01-01
    “…In particular the aim was to obtain a specific cross section geometry, necessary to overcome the mechanical stresses found in these working conditions without failure. …”
    Get full text
    Article
  3. 963

    X-Ray Computed Tomography Analysis of Sajau Coal, Berau Basin, Indonesia: 3D Imaging of Cleat and Microcleat Characteristics by Ahmad Helman Hamdani

    Published 2015-01-01
    “…The 3D X-ray computed tomography (CT) technique was performed to identify cleats characteristics in the Sajau coal seams, such as the direction of coal cleats, geometry of cleat, and cleats mineralization. By CT scan imaging technique two different types of natural fractures observed in Sajau coals have been identified, that is, face cleats and butt cleats. …”
    Get full text
    Article
  4. 964

    Augmented Superfield Approach to Nilpotent Symmetries of the Modified Version of 2D Proca Theory by A. Shukla, S. Krishna, R. P. Malik

    Published 2015-01-01
    “…For the sake of completeness, we also mention, very briefly, a unique bosonic symmetry, the ghost-scale symmetry, and discrete symmetries of the theory and show that the algebra of conserved charges provides a physical realization of the Hodge algebra (satisfied by the de Rham cohomological operators of differential geometry).…”
    Get full text
    Article
  5. 965

    Electrical-thermal analytical modeling of monopolar RF thermal ablation of biological tissues: determining the circumstances under which tissue temperature reaches a steady state by J. A. López Molina, M. J. Rivera, E. Berjano

    Published 2015-11-01
    “…Our objective was to determine under which circumstances of electrode geometry (needle-like vs. ball-tip), electrode type (dry vs. cooled) and blood perfusion the temperature will reach a steady state at any point in the tissue. …”
    Get full text
    Article
  6. 966

    Pattern Recognition of the Vertical Hydraulic Fracture Shapes in Coalbed Methane Reservoirs Based on Hierarchical Bi-LSTM Network by Zhaozhong Yang, Chenxi Yang, Xiaogang Li, Chao Min

    Published 2020-01-01
    “…Then we present a hierarchical Bidirectional LSTM (Bi-LSTM) network to recognize the pattern of hydraulic fracture geometry in CBM reservoirs. Inputting the wavelet denoised sequences of data to the presented network, we can extract the implicit features of the hydraulic sand fracturing operation curves and automatically combine them to make the classification of the fracture shapes. …”
    Get full text
    Article
  7. 967

    Acoustic bubbles: Inducing cell interactions via trapping, patterning, and removal by Jonathan Faulkner, Mengren Wu, Madelyn Wicker, Yuan Gao

    Published 2025-06-01
    “…The impact of channel geometry on bubble stability is quantitatively investigated to optimize the device's performance. …”
    Get full text
    Article
  8. 968

    Does the use of differentiated instruction through project-based learning in mathematics classroom settings facilitate the students’ collaborative skills? by Zuni Dwi Andriyani, Dyana Wijayanti, Nila Ubaidah, Ahmad Lutfi, Danyang Meng

    Published 2024-09-01
    “…This research aims to describe differentiated instruction through project-based learning on students' collaborative skills in solid geometry.  This study is a case study type of research. …”
    Get full text
    Article
  9. 969

    High-Fidelity Aerothermal Engineering Analysis for Planetary Probes Using DOTNET Framework and OLAP Cubes Database by Prabhakar Subrahmanyam

    Published 2009-01-01
    “…Sparta graphical user interface provides capabilities to choose from a list of flight vehicles or enter trajectory and geometry information of a vehicle in design. DOTNET framework acts as a middleware layer between the trajectory engine and the user interface and also between the web user interface and the OLAP database. …”
    Get full text
    Article
  10. 970

    Condition monitoring of a surface mounted permanent magnet‐type brushless direct current motor using remodelling of rotor magnetic field and stator winding inductance by Adil Usman, Bharat Singh Rajpurohit

    Published 2021-06-01
    “…Both the machine quantities under healthy operating conditions are estimated based on the motor geometry and validated numerically using finite element based methods. …”
    Get full text
    Article
  11. 971

    A Cycle Slip Detection and Repair Method Using BDS Triple-Frequency Optimization Combination with Wavelet Denoising by Kezhao Li, Haofei Ban, Yingxiang Jiao, Shuaikang Lv

    Published 2022-01-01
    “…The traditional triple-frequency geometry-free pseudorange minus phase (GFPMP) method is very susceptible to the influence of pseudorange observation noise, and it is difficult to detect insensitive small cycle slips. …”
    Get full text
    Article
  12. 972

    Developing an Extended IFC Data Schema and Mesh Generation Framework for Finite Element Modeling by Zhao Xu, Zezhi Rao, Vincent J. L. Gan, Youliang Ding, Chunfeng Wan, Xinran Liu

    Published 2019-01-01
    “…Building information modeling provides the geometry and semantic information of a building, which can be utilized to support an efficient mesh generation. …”
    Get full text
    Article
  13. 973

    Fragility Analysis of a Self-Anchored Suspension Bridge Based on Structural Health Monitoring Data by Yuyao Cheng, Jian Zhang, Jiajia Wu

    Published 2019-01-01
    “…The updated fragility curves take into consideration both the geometry and material properties, as well as long-term health monitoring data, to reflect the current state of the structure appropriately. …”
    Get full text
    Article
  14. 974

    Synthesis, Spectral Characterization, and Biological Evaluation of Transition Metal Complexes of Bidentate N, O Donor Schiff Bases by Sajjad Hussain Sumrra, Muhammad Ibrahim, Sabahat Ambreen, Muhammad Imran, Muhammad Danish, Fouzia Sultana Rehmani

    Published 2014-01-01
    “…These ligands were further complexed with Co(II), Cu(II), Ni(II), and Zn(II) metals to produce their new metal complexes having an octahedral geometry. These compounds were characterized on the basis of their physical, spectral, and analytical data. …”
    Get full text
    Article
  15. 975

    Concept and Design of a 3D Printed Support to Assist Hand Scanning for the Realization of Customized Orthosis by Gabriele Baronio, Paola Volonghi, Alberto Signoroni

    Published 2017-01-01
    “…We consider the creation of personalized upper limb orthoses, also including fingers, starting from the acquisition of the hand geometry through accurate 3D scanning. However, hand scanning procedure presents differences between healthy subjects and patients affected by pathologies that compromise upper limb functionality. …”
    Get full text
    Article
  16. 976

    A Coons Patch Spanning a Finite Number of Curves Tested for Variationally Minimizing Its Area by Daud Ahmad, Bilal Masud

    Published 2013-01-01
    “…Having a well-parameterized surface, we do some calculations on it that are motivated by differential geometry but give a better optimized and possibly more smooth surface. …”
    Get full text
    Article
  17. 977

    Geometric squeezing of rotating quantum gases into the lowest Landau level by Crépel, Valentin, Yao, Ruixiao, Mukherjee, Biswaroop, Fletcher, Richard, Zwierlein, Martin

    Published 2024-03-01
    “…This “geometric squeezing” offers an unprecedented experimental control over the quantum geometry in Landau-level analogues, and at the same time opens a realistic path towards achieving correlated quantum phases akin to quantum Hall states with neutral atoms.…”
    Get full text
    Article
  18. 978

    Optimization of Process Parameters for Friction Stir Welding of Different Aluminum Alloys AA2618 to AA5086 by Taguchi Method by G. Sasikala, V. M. Jothiprakash, Bhasker Pant, R. Subalakshmi, M. Thirumal Azhagan, K. Arul, Wadi B. Alonazi, M. Karnan, S. Praveen Kumar

    Published 2022-01-01
    “…Consideration was given to a variety of factors including rotational and cross-sectional speeds, geometry, and the tool-to-pin-diameter ratio. The tensile strength of the joint was used to identify the best procedure parameters. …”
    Get full text
    Article
  19. 979

    Dynamic Response of Wheel-Rail Interaction at Rail Weld in High-Speed Railway by Boyang An, Ping Wang, Jieling Xiao, Jingmang Xu, Rong Chen

    Published 2017-01-01
    “…This work reports a 3D finite element model of wheel-rail rolling contact which can simulate dynamic wheel-rail interaction at arbitrary contact geometry up to 400 km/h. This model is employed to investigate dynamic response of wheel-rail interaction at theoretical and measured rail weld, including wheel-rail force and axle-box acceleration. …”
    Get full text
    Article
  20. 980

    London dispersion forces and steric effects within nanocomposites tune interaction energies and chain conformation by Baode Zhang, Snežana D. Zarić, Sonja S. Zrilić, Iosif Gofman, Barbara Heck, Günter Reiter

    Published 2025-01-01
    “…Abstract The interplay between attractive London dispersion forces and steric effects due to repulsive forces resulting from the Pauli principle often determines the geometry and stability of nanostructures. Aromatic polyimides (PI) and carbon nanotubes (CNT) were chosen as building blocks as two components in the hetero delocalized electron nanostructures. …”
    Get full text
    Article