Results 31 to 40 of about 6,804,387 (286)

ShakerMaker: A framework that simplifies the simulation of seismic ground-motions

open access: yesSoftwareX, 2022
ShakerMaker is an open-source python framework which simplifies the generation of synthetic broad-band seismograms, produced by finite-fault kinematic representations of earthquake ruptures, using a 1-D layered model of the crust and the frequency ...
José A. Abell   +2 more
doaj   +1 more source

Transmission Network Reduction Method using Nonlinear Optimization

open access: yes, 2018
This paper presents a new method to determine the susceptances of a reduced transmission network representation by using nonlinear optimization. We use Power Transfer Distribution Factors (PTDFs) to convert the original grid into a reduced version, from ...
Demiray, Turhan   +2 more
core   +1 more source

Justification of the reduction method using the zero field method

open access: yesВісник Харківського національногоуніверситету імені В.Н. Каразіна. Серія: Радіофізика та електроніка, 2022
Relevance. The urgency of the task is due primarily to progress in the field of computer technology and the growth in the power of modern personal computers.
D. O. Batrakov
doaj   +1 more source

Improved method for phase wraps reduction in profilometry

open access: yes, 2016
In order to completely eliminate, or greatly reduce the number of phase wraps in 2D wrapped phase map, Gdeisat et al. proposed an algorithm, which uses shifting the spectrum towards the origin.
Du, Guangliang   +6 more
core   +1 more source

Iterative solution of elliptic equations

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2022
We reduce solution of the Dirichlet problem ($x \in D \subset R^m$) \[ \Delta u(x)+a(x)u(x)=f(x) \quad \mbox{in $D$}, \qquad u=0 \quad \mbox{on $\partial D$} \] to iterative solution of a simpler problem \[ \Delta u=f(x) \; \; \mbox{in $D$}, \; \; u=0
Philip Korman, Dieter Schmidt
doaj   +1 more source

On the Integrand-Reduction Method for Two-Loop Scattering Amplitudes

open access: yes, 2011
We propose a first implementation of the integrand-reduction method for two-loop scattering amplitudes. We show that the residues of the amplitudes on multi-particle cuts are polynomials in the irreducible scalar products involving the loop momenta, and ...
A Brandhuber   +119 more
core   +1 more source

Synchronized vector solutions for the nonlinear Hartree system with nonlocal interaction

open access: yesAdvanced Nonlinear Studies
We are concerned with the following nonlinear Hartree system−Δu+P1(|x|)u=α1|x|−1∗u2u+β|x|−1∗v2u inR3,−Δv+P2(|x|)v=α2|x|−1∗v2v+β|x|−1∗u2v inR3, $$\begin{cases}-{\Delta}u+{P}_{1}\left(\vert x\vert \right)u={\alpha }_{1}\left(\vert x{\vert }^{-1}\ast {u}^{2}
Gao Fashun, Yang Minbo, Zhao Shunneng
doaj   +1 more source

Size- and Shape-Dependent Antibacterial Studies of Silver Nanoparticles Synthesized by Wet Chemical Routes

open access: yesNanomaterials, 2016
Silver nanoparticles (AgNPs) of different shapes and sizes were prepared by solution-based chemical reduction routes. Silver nitrate was used as a precursor, tri-sodium citrate (TSC) and sodium borohydride as reducing agents, while polyvinylpyrrolidone ...
Muhammad Akram Raza   +5 more
doaj   +1 more source

Stressful Events Reported by Childhood Cancer Survivors and Community Controls From the St. Jude Lifetime (SJLIFE) Cohort: A Mixed Method Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Characterizing stressful events reported by childhood cancer survivors experienced throughout the lifespan may help improve trauma‐informed care relevant to the survivor experience. Methods Participants included 2552 survivors (54% female; 34 years of age) and 469 community controls (62% female; 33 years of age) from the St.
Megan E. Ware   +13 more
wiley   +1 more source

Application of near critical behavior of equilibrium ratios to phase equilibrium calculations

open access: yesOil & Gas Science and Technology, 2019
We examine the asymptotic behavior of the equilibrium ratios (Ki) near the convergence locus in the pressure-temperature plane. When the Equation of State (EoS) is analytical, which is the case of most EoS of engineering purpose, Ki tends towards unity ...
Nichita Dan Vladimir   +2 more
doaj   +1 more source

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