Results 11 to 20 of about 27,265 (212)

Luminosity determination for the deutron-deutron reactions using free and quasi-free reactions with WASA-at-COSY detector [PDF]

open access: yes, 2015
Two methods of the luminosity determination for the experiment performed by WASA collaboration to search for $^{4} {-0.03cm}{He}$-$\eta$ bound state are presented.
Krzemien, W., Moskal, P., Skurzok, M.
core   +2 more sources

The Penalized Lebesgue Constant for Surface Spline Interpolation

open access: yes, 2010
Problems involving approximation from scattered data where data is arranged quasi-uniformly have been treated by RBF methods for decades. Treating data with spatially varying density has not been investigated with the same intensity, and is far less well
Hangelbroek, Thomas
core   +1 more source

Adaptive scattered data fitting by extension of local approximations to hierarchical splines

open access: yes, 2017
We introduce an adaptive scattered data fitting scheme as extension of local least squares approximations to hierarchical spline spaces. To efficiently deal with non-trivial data configurations, the local solutions are described in terms of (variable ...
Bracco, Cesare   +2 more
core   +1 more source

A High-Order Radial Basis Function (RBF) Leray Projection Method for the Solution of the Incompressible Unsteady Stokes Equations [PDF]

open access: yes, 2015
A new projection method based on radial basis functions (RBFs) is presented for discretizing the incompressible unsteady Stokes equations in irregular geometries.
Fuselier, Edward J.   +2 more
core   +3 more sources

Guaranteed passive parameterized admittance-based macromodeling [PDF]

open access: yes, 2010
We propose a novel parametric macromodeling technique for admittance and impedance input-output representations parameterized by design variables such as geometrical layout or substrate features. It is able to build accurate multivariate macromodels that
Dhaene, Tom   +2 more
core   +2 more sources

Local interpolation schemes for landmark-based image registration: a comparison

open access: yes, 2014
In this paper we focus, from a mathematical point of view, on properties and performances of some local interpolation schemes for landmark-based image registration.
Allasia, Giampietro   +2 more
core   +1 more source

Hα Doppler shifts in a tornado in the solar corona [PDF]

open access: yes, 2016
Context. High resolution movies in 193 Å from the Atmospheric Imaging Assembly (AIA) on the Solar Dynamic Observatory (SDO) show apparent rotation in the leg of a prominence observed during a coordinated campaign. Such structures are commonly referred to
Labrosse, N.   +5 more
core   +4 more sources

A stabilized radial basis-finite difference (RBF-FD) method with hybrid kernels

open access: yes, 2018
Recent developments have made it possible to overcome grid-based limitations of finite difference (FD) methods by adopting the kernel-based meshless framework using radial basis functions (RBFs). Such an approach provides a meshless implementation and is
Fasshauer, Gregory E   +3 more
core   +1 more source

A Study of Different Modeling Choices For Simulating Platelets Within the Immersed Boundary Method [PDF]

open access: yes, 2012
The Immersed Boundary (IB) method is a widely-used numerical methodology for the simulation of fluid-structure interaction problems. The IB method utilizes an Eulerian discretization for the fluid equations of motion while maintaining a Lagrangian ...
Fogelson, Aaron L.   +3 more
core   +3 more sources

Copper Doping Enhances the Activity and Selectivity of Atomically Precise Ag44 Nanoclusters for Photocatalytic CO2 Reduction

open access: yesAdvanced Functional Materials, EarlyView.
By a simple anti‐Galvanic reaction, up to six copper atoms could be preferably doped into the Ag2(SR)5 staple motifs and Ag20 dodecahedral shell of an atomically precise Ag44(SR)30 nanocluster. When anatase TiO2 is used as substrate, the (AgCu)44/TiO2 photocatalyst exhibited much improved activity in photocatalytic CO2 reduction compared to Ag44/TiO2 ...
Ye Liu   +5 more
wiley   +1 more source

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