Results 51 to 60 of about 4,377 (209)
Wormholes in de Sitter branes [PDF]
In this work we present a class of geometries which describes wormholes in a Randall-Sundrum brane model, focusing on de Sitter backgrounds. Maximal extensions of the solutions are constructed and their causal structures are discussed.
Molina, C., Neves, J. C. S.
core +2 more sources
Nonoscillatory solutions for the one-dimensional p-Laplacian
The author studies the existence of nonoscillatory solutions of the equation \[ \Delta \Phi(\Delta x_{k-1})+f(k,x_k)=0,\quad k=1,2,\cdots \] where \(\Phi:R\rightarrow R\) is defined by \(\Phi(s)=|s|^{p-1}s\) (\(p>1\) fixed), \(f:N\times R\rightarrow R^+\) and \(\{x_k\}_1^\infty\) is a nonnegative sequence with infinitely many positive terms.
openaire +1 more source
Recessive solutions for nonoscillatory discrete symplectic systems
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Peter Šepitka, Roman Šimon Hilscher
openaire +1 more source
AMR‐Wind: A Performance‐Portable, High‐Fidelity Flow Solver for Wind Farm Simulations
ABSTRACT We present AMR‐Wind, a verified and validated high‐fidelity computational‐fluid‐dynamics code for wind farm flows. AMR‐Wind is a block‐structured, adaptive‐mesh, incompressible‐flow solver that enables predictive simulations of the atmospheric boundary layer and wind plants.
Michael B. Kuhn +16 more
wiley +1 more source
We describe a method for the numerical evaluation of normalized versions of the associated Legendre functions $P_\nu^{-\mu}$ and $Q_\nu^{-\mu}$ of degrees $0 \leq \nu \leq 1,000,000$ and orders $-\nu \leq \mu \leq \nu$ on the interval $(-1,1)$.
Bremer, James
core +1 more source
ABSTRACT A thorough understanding of turbine wakes is essential for various aspects of wind energy, including turbine siting, load evaluation, and wind farm control. However, high‐fidelity time‐domain computational fluid dynamics (CFD) simulations that consider all possible turbulent inflow wind conditions are computationally expensive and impractical ...
Wenhao Xu, Gaohua Li, Feng Guo, Zhen Gao
wiley +1 more source
Properties of monotonic solutions to half-linear second-order delay differential equations
This paper establishes new monotonic properties of nonoscillatory solutions for second-order half-linear functional differential equations with delayed argument \begin{document}$ \begin{equation*} (a(r)(u'(r))^{m})' = b(r)u^{m}(\varphi(r)) \end ...
Pakize Temtek, Yerzhan Turarov
doaj +1 more source
Existence of nonoscillatory solutions to nonlinear higher-order neutral dynamic equations
We investigate the existence of different types of nonoscillatory solutions to a class of higher-order nonlinear neutral dynamic equations on a time scale. Two examples are provided to show the significance of the conclusions.
Yang-Cong Qiu +3 more
doaj +1 more source
A cost-effective strategy for nonoscillatory convection without clipping [PDF]
Clipping of narrow extrema and distortion of smooth profiles is a well known problem associated with so-called high resolution nonoscillatory convection schemes.
Leonard, B. P., Niknafs, H. S.
core +1 more source
On the Finiteness of the Number of Eigenvalues of Jacobi Operators below the Essential Spectrum [PDF]
We present a new oscillation criterion to determine whether the number of eigenvalues below the essential spectrum of a given Jacobi operator is finite or not.
Luef, Franz, Teschl, Gerald
core +3 more sources

