Showing 341 - 360 results of 1,137 for search 'boundary element (method OR methods)', query time: 0.17s Refine Results
  1. 341
  2. 342

    The Method of Calculation of the Evolution of Thermal and Energy Characteristics of the Accelerated Hydration Process of Concrete Products by A. M. Niyakovskii, V. N. Romaniuk, A. N. Chichko, Yu. V. Yatskevich

    Published 2019-08-01
    “…The principles of cellular-automatic modeling of energy characteristics of concrete heat treatment process were used in the development of the method. The mathematical apparatus used in the method is based on the finite-difference three-dimensional heat equation, which allows taking into account, due to the system of boundary and initial conditions, the spatial dimensions of the concrete product, the spatial arrangement of the formwork, the spatial distribution of heating elements and other design features of the accelerated hydration system. …”
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    Article
  3. 343

    A Dynamic Coefficient Matrix Method for the Free Vibration of Thin Rectangular Isotropic Plates by Supun Jayasinghe, Seyed M. Hashemi

    Published 2018-01-01
    “…Using the proposed quasi-exact solution, a Dynamic Coefficient Matrix (DCM) method is formed and used to investigate the free lateral vibration of a rectangular thin plate, subjected to various boundary conditions. …”
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    Article
  4. 344

    A method to retrieve mixed-phase cloud vertical structure from airborne lidar by E. Crosbie, E. Crosbie, J. W. Hair, A. R. Nehrir, R. A. Ferrare, C. Hostetler, T. Shingler, D. Harper, M. Fenn, M. Fenn, J. Collins, J. Collins, R. Barton-Grimley, B. Collister, K. L. Thornhill, K. L. Thornhill, C. Voigt, C. Voigt, S. Kirschler, S. Kirschler, A. Sorooshian, A. Sorooshian

    Published 2025-06-01
    “…The method is based on the established use of depolarization to identify ice particles but incorporates a new method to separate the ice depolarization from the depolarization produced by multiple scattering in dense liquid clouds. …”
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    Article
  5. 345

    Coupled FEM-DBEM method to assess crack growth in magnet system of Wendelstein 7-X by R. Citarella, M. Lepore, Joris Fellinger, Victor Bykov, Felix Schauer

    Published 2013-10-01
    “…In this paper the Dual Boundary Element Method (DBEM) is applied in a coupled FEM-DBEM approach to analyze the propagation of multiple cracks with different shapes. …”
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    Article
  6. 346

    A New Legendre Collocation Method for Solving a Two-Dimensional Fractional Diffusion Equation by A. H. Bhrawy

    Published 2014-01-01
    “…A new spectral shifted Legendre Gauss-Lobatto collocation (SL-GL-C) method is developed and analyzed to solve a class of two-dimensional initial-boundary fractional diffusion equations with variable coefficients. …”
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    Article
  7. 347

    General Formulas and Program Design for Manifold Method Based on Independent Covers Ⅰ:General Formulas by SU Hai-dong

    Published 2025-04-01
    “…By constructing approximate functions, it generates a “partitioned series solution” for partial differential equations. This method not only achieves the main functions of the finite element method (FEM) and other numerical techniques but also outperforms them in certain aspects, such as mesh generation flexibility and computational stability. …”
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    Article
  8. 348

    On a Method for Calculating Bending and Shear Vibrations of a Porous Piezoelement in the Low-Frequency Region by A. N. Soloviev, V. A. Chebanenko, P. A. Oganesyan, E. I. Fomenko

    Published 2024-06-01
    “…Based on hypotheses about the distribution of deformations, mechanical stresses and electric potential, both problems were reduced to a system of ordinary differential equations and boundary conditions. Comparison with the results of calculations by the finite element method in the ACELAN package showed the adequacy of the proposed applied theory in the low-frequency region.Discussion and Conclusion. …”
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    Article
  9. 349

    NUMERICAL SIMULATION OF ELECTRICAL IMPEDANCE TOMOGRAPHY PROBLEM AND STUDY OF APPROACH BASED ON FINITE VOLUME METHOD by Ye. S. Sherina, A. V. Starchenko

    Published 2014-08-01
    “…The objective function to be minimized is constructed of measured voltage and calculated boundary voltage on the electrodes. A classical modified Newton type iterative method and the stochastic differential evolution method are employed. …”
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    Article
  10. 350

    A New Method Based on Laplace Transform and Its Application to Stability of Pipe Conveying Fluid by H. B. Wen, Y. R. Yang, P. Li, Y. D. Li, Y. Huang

    Published 2017-01-01
    “…The natural frequencies, critical flow velocities, and vibration mode functions of such pipes with several typical boundary conditions are obtained and compared with the results predicted by Galerkin method and finite element method (FEM) and with other results archived. …”
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    Article
  11. 351

    Adaptive Refinement of Segmented Object Contour Based on the Brightness of Neighboring Pixels Using the Ensemble Method by Vladyslav D. Koniukhov

    Published 2024-12-01
    “…Classical segmentation methods face significant challenges when segmenting X-ray images where there are objects with fuzzy boundaries. …”
    Article
  12. 352

    Active Heat Method with Distribution Fiber Temperature Sensing for Suspension Location of Submarine Power Cable by ZHANG Weichao, ZHANG Li yong

    Published 2020-06-01
    “…The temperature distribution law of submarine cable surrounded by different media is simulated during active heat process using the finite element method in thermal field. An experimental system is constructed by arranging the multimode optical fiber and heating copper cable in a box mixed with sediment sand and water. …”
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    Article
  13. 353

    Research on Crack Propagation of Deep Geologic Mass Disturbed by Excavation Based on Phase Field Method by Ningdong Chang, Jinan Wang, Fei Li

    Published 2022-01-01
    “…The results show that the crack finally produces a crack in the lower left and upper right directions of the square hole and continues to extend to the model boundary, which proves the feasibility of crack independent initiation and propagation by the phase field method. …”
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  14. 354
  15. 355

    Buckling analysis of axially functionally graded carbon nanotubes-reinforced columns using the meshless method by Hanie Elahihamezanlui, Majid Kazemi, Mohammad Hosein Ghadiri Rad

    Published 2022-06-01
    “…Since the MLPG method uses some scattered nodes through the domain and boundaries for discretization (rather than the meshing), the functionally graded (FG) variation of material properties can be conveniently modeled under the influence of reinforcing elements (CNTs). …”
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    Article
  16. 356

    Simulation of a Radio Signal Scattered from a Rough Surface by the Method of Stationary Points by Andrey A. Monakov

    Published 2023-07-01
    “…At present, four categories of mathematical models are used for these purposes, with each corresponding to a particular group of methods for solving the scattering problem. These methods include those based on a rigorous solution of the electrodynamic equations (methods of moments, finite elements, finite differences); approximate methods for solving electrodynamic problems (methods of small perturbations, tangent plane (Kirchhoff method), two-scale model); those of statistical equivalents; and phenomenological models. …”
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    Article
  17. 357

    Design of Trabecular Bone Mimicking Voronoi Lattice-Based Scaffolds and CFD Modelling of Non-Newtonian Power Law Blood Flow Behaviour by Haja-Sherief N. Musthafa, Jason Walker

    Published 2024-12-01
    “…Gradient Voronoi scaffolds of pore sizes (19.8 µm to 923 µm) similar to the structure of the trabecular bone were designed. A Finite Element Method-based computational fluid dynamics (CFD) simulation was performed on all designed Voronoi scaffolds to predict the pressure drops and permeability of non-Newtonian blood flow behaviour using the power law material model. …”
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    Article
  18. 358

    Sensitivity and optimization study on heat transfer enhancement of MHD hybrid nanofluid radiative transient flow past a spinning surface with quadratic Boussinesq approximation and... by Thirupathi Thumma, Surender Ontela, Rupalaksmi Dharanikota

    Published 2025-03-01
    “…Employing the Finite Element Method (FEM) with the Galerkin weighted residual approach and linear approximation functions, the study explores the intricate interactions between these factors. …”
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    Article
  19. 359

    Buckling Analysis of Functionally Graded Cylindrical Shells Under Mechanical and Thermal Loads by Dynamic Relaxation Method by M.E. Golmakani, M. Moravej, M. Sadeghian

    Published 2020-11-01
    “…In order to validate the present method, the results were compared with other papers and the Abaqus finite element results. …”
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    Article
  20. 360

    Optimization of the rotor of a magnetoelectric synchronous machine with pole tips shaped as elliptical arcs by V. V. Kharlamov, Yu. V. Moskalev, A. Yu. Milyutin

    Published 2025-06-01
    “…Permissible ranges of variation for the variable values, which define the dimensions of the rotor's structural elements, are considered as segment boundaries within the dichotomy method for each coordinate axis. …”
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    Article