Výsledky vyhledávání - "numerical methods and algorithms"

Lambert W function for applications in physics Autor Veberič, Darko

“…The Lambert W(x) function and its possible applications in physics are presented. The actual numerical implementation in C++ consists of Halley’s and Fritsch’s…”
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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

“…SummaryThe solution of a steady thermal multiphase problem is assumed to be dependent on a set of parameters describing the geometry of the domain, the…”
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Nonlinear manifold learning for meshfree finite deformation thin-shell analysis Autor Millán, Daniel, Rosolen, Adrian, Arroyo, Marino

“…SUMMARY Calculations on general point‐set surfaces are attractive because of their flexibility and simplicity in the preprocessing but present important…”
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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.•By looping over groups of quadrature points, performance is…”
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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. In particular, their inherent…”
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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.

“…The family of fourth-order Steffensen-type methods proposed by Zheng et al. (Appl. Math. Comput. 217 , 9592–9597 ( 2011 )) is extended to solve systems of…”
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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

“…SUMMARY Damage models are capable of representing crack initiation and mimicking crack propagation within a continuum framework. Thus, in principle, they do…”
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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. The bipenalty…”
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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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On the numerical resolution of the discontinuous material bifurcation problem Autor Oliver, J., Huespe, A. E., Cante, J. C., Díaz, G.

“…The work focuses on the numerical resolution of the discontinuous material bifurcation problem as a relevant ingredient in computational material failure…”
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A study of optimization for Steffensen-type methods with frozen divided differences Autor Ezquerro, J. A., Grau-Sánchez, M., Hernández-Verón, M. A., Noguera, M.

“…A local convergence analysis for a generalization of a family of Steffensen-type iterative methods with three frozen steps is presented for solving nonlinear…”
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Generation of structured hexahedral meshes in volumes with holes Autor Ruiz-Gironés, E., Sarrate, J.

“…The submapping method is one of the most used techniques to generate structured hexahedral meshes. This method splits the geometry into pieces logically…”
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Error assessment and mesh adaptivity for regularized continuous failure models Autor Pannachet, T., Díez, P., Askes, H., Sluys, L.J.

“…This paper deals with the adaptive finite element analysis of structural failure. A gradient-enhanced damage model has been chosen to simulate material…”
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Modeling, with a unified level-set representation, of the expansion of a hollow in the ground under different physical phenomena Autor Cottereau, Régis, Díez, Pedro, Huerta, Antonio

“…This paper builds on the flexibility of the level-set representation to model in a unified manner the expansion of a hollow in the ground under different…”
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A multiplicative Schwarz method with active subdomains for transient convection-diffusion problems Autor Sandoval, M. L., Rodríguez-Ferran, A.

“…An efficient algorithm to find the solution of transient convection–diffusion problems with dominant convection is presented. The main idea is to follow the…”
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SUPG-based stabilization using a separated representations approach Autor González, D., Debeugny, L., Cueto, E., Chinesta, F., Díez, P., Huerta, A.

“…We have developed a new method for the construction of Streamline Upwind Petrov Galerkin (SUPG) stabilization techniques for the resolution of…”
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Nonlinear Two-Parameter Spectral Problems in Studies of Solutions of Differential and Nonlinear Integral Equations of Hammerstein Type Autor Savenko, Petro

“…The theory and methods of solving the nonlinear multi-parametric spectral problems and their application in investigations of spectral properties of linear…”
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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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