Výsledky vyhledávání - Numerical methods and algorithms

Numerical methods and algorithms for reconstruction of holographic images with an flexibility choice of physical size of the object and observation area Autor Fedorov, Arthur G., Trofimov, Vasiliy V., Karpov, Andrey G.

“…Within the framework of this work, the numerical results of simulation and reconstruction of holographic images with different physical sizes of the object and observation areas are presented…”
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Lambert W function for applications in physics Autor Veberič, Darko

“… The actual numerical implementation in C++ consists of Halley’s and Fritsch’s iterations with initial approximations based on branch-point expansion, asymptotic series, rational fits, and continued-logarithm recursion. Program title…”
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Analysis of the distribution of pitch angles in model galactic disks - Numerical methods and algorithms Autor Russell, William S., Roberts, William W., Jr

“… The results obtained using these two partitioning algorithms were very similar, from which it is inferred that no numerical biasing was evident and that capturing of the features was consistent…”
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Proper generalized decomposition for parameterized Helmholtz problems in heterogeneous and unbounded domains: Application to harbor agitation Autor Modesto, David, Zlotnik, Sergio, Huerta, Antonio

“…Solving the Helmholtz equation for a large number of input data in an heterogeneous media and unbounded domain still represents a challenge. This is due to the…”
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Proper generalized decomposition of a geometrically parametrized heat problem with geophysical applications Autor Zlotnik, Sergio, Díez, Pedro, Modesto, David, Huerta, Antonio

“… Then, the ideas presented in [Ammar et al., “Parametric solutions involving geometry: A step towards efficient shape optimization.” Comput. Methods…”
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Advances in computational geoscience: Numerical methods and algorithms for simulating geofluid flow related problems Autor Zhao, Chongbin, Hobbs, Bruce E., Ord, Alison

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Radiation-hydrodynamical simulations of massive star formation using Monte Carlo radiative transfer – I. Algorithms and numerical methods Autor Harries, Tim J.

“…We present a set of new numerical methods that are relevant to calculating radiation pressure terms in hydrodynamics calculations, with a particular focus on massive star formation…”
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Nonlinear manifold learning for meshfree finite deformation thin-shell analysis Autor Millán, Daniel, Rosolen, Adrian, Arroyo, Marino

“… We propose a general and simple numerical method analogous to the mathematical theory of manifolds, in which the…”
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Efficient implementation of Galerkin meshfree methods for large-scale problems with an emphasis on maximum entropy approximants Autor Peco, Christian, Millán, Daniel, Rosolen, Adrian, Arroyo, Marino

“…•We propose a simple method to implement matrix assembly in Galerkin meshfree methods…”
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One-dimensional shock-capturing for high-order discontinuous Galerkin methods Autor Casoni, E., Peraire, J., Huerta, A.

“…SUMMARY Discontinuous Galerkin methods have emerged in recent years as an alternative for nonlinear conservation equations…”
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A family of iterative methods that uses divided differences of first and second orders Autor Ezquerro, J. A., Grau-Sánchez, M., Hernández-Verón, M. A., Noguera, M.

“… Semilocal convergence is shown for one of these optimal methods under mild conditions. Moreover, a numerical example is given to illustrate the theoretical results…”
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On the numerical resolution of the discontinuous material bifurcation problem Autor Oliver, J., Huespe, A. E., Cante, J. C., Díaz, G.

“…‐called bifurcation time, localization directions and localization modes. A numerical algorithm, based on the iterative resolution of a coupled eigenvalue problem in terms of the localization tensor, is proposed for such purpose…”
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Numerical algorithm for solving third-order Emden–Fowler type pantograph differential equations: Taylor operational matrix method: Numerical algorithm for solving third-order Emden–Fowler type Autor Saha, Nikita, Singh, Randhir

“…This paper proposes two different Taylor polynomial-based numerical algorithms, one using uniform collocation points and the other using non-uniform collocation points for the numerical solution…”
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A new bipenalty formulation for ensuring time step stability in time domain computational dynamics Autor Hetherington, Jack, Rodríguez-Ferran, Antonio, Askes, Harm

“…SUMMARY It is well known that use of standard penalty methods can decrease the critical time step of time domain dynamic finite element analyses…”
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Estimation of crack opening from a two-dimensional continuum-based finite element computation Autor Dufour, Frédéric, Legrain, Grégory, Pijaudier-Cabot, Gilles, Huerta, Antonio

“… We used the global tracking method to compute the idealized crack location as a post‐treatment procedure. The original one‐dimensional problem devised in Dufour et al…”
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Heat and mass transmission through the nanofluids flow subject to exponential heat source/sink and thermal convective condition across Riga plates Autor Ali, Bilal, Jubair, Sidra, Fouly, Ahmed

“…The analysis of the squeezing nanofluid flow across bounded domains received great attention from researchers and engineers due to its tremendous application…”
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Controls on subduction reorganization in the Hellenic margin, eastern Mediterranean Autor Capitanio, F. A., Zlotnik, S., Faccenna, C.

“…In subduction modeling, interactions between the down‐going slab and neighboring plates are often neglected. Here, we have modeled the interactions between a…”
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Adaptive numerical method algorithms for nonlinear viscous and bilinear oil damper models subjected to dynamic loading Autor Akcelyan, Sarven, Lignos, Dimitrios G., Hikino, Tsuyoshi

“…Adaptive numerical method algorithms are presented for the numerical simulation of the hysteretic behaviour of nonlinear viscous and bilinear oil dampers within a finite element program for nonlinear…”
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High-order numerical methods and algorithms: Eigen-based spectral element approach Autor Zheng, Xiaoning

“… We want to find a set of basis functions that can lead us to system matrices with high numerical efficiency, which can be solved by as few number of iterations with iterative solvers as possible…”
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CMMSE 2017 - a numerical method based on genetic algorithms for the characterization of viscoelastic materials Autor Fernández, J. R., López-Campos, J. A., Segade, A., Vilán, J. A.

“… Even though numerical models already exist and are included in commercial codes, the precision of the calculation depends strongly on the material characterization and the parameters identification…”
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