Search Results - "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 by 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…”
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Lambert W function for applications in physics by 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 by 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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Advances in computational geoscience: Numerical methods and algorithms for simulating geofluid flow related problems by Zhao, Chongbin, Hobbs, Bruce E., Ord, Alison

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Proper generalized decomposition of a geometrically parametrized heat problem with geophysical applications by 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 by 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 by 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 by 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 by 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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Analysis of the distribution of pitch angles in model galactic disks - Numerical methods and algorithms by Russell, William S., Roberts, William W., Jr

“…An automated mathematical method capable of successfully isolating the many different features in prototype and observed spiral galaxies and of accurately…”
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Estimation of crack opening from a two-dimensional continuum-based finite element computation by 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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High-order numerical methods and algorithms: Eigen-based spectral element approach by Zheng, Xiaoning

“…This thesis focuses on the construction of the eigen-based high-order expansion bases for spectral elements. In high-order approaches with spectral elements or…”
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A new bipenalty formulation for ensuring time step stability in time domain computational dynamics by 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 by 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 by 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 by 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 by 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 by 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 by 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 by 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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