Results 41 to 50 of about 7,623 (154)

Dominant mode shift of bubble shape instability due to surface tension variation under MHz ultrasound [PDF]

open access: yesAIP Advances
Occurrence condition for non-spherical shape mode of acoustically oscillated lipidic-coated bubble was numerically investigated by solving both the Keller–Miksis equation and dynamic equation for distortion amplitude of spherical harmonics.
Kanji D. Hattori, Takuya Yamamoto
doaj   +1 more source

Vector Spherical Harmonics for Data‐Assimilative Neutral Wind Estimation

open access: yesSpace Weather, 2022
In this work we enable the data assimilation algorithm Estimating Model Parameters from Ionospheric Reverse Engineering (EMPIRE) to estimate global neutral winds.
Aurora López Rubio   +1 more
doaj   +1 more source

Spherical Harmonics

open access: yes, 2013
This is Chapter 1 of the book {\it Approximation Theory and Harmonic Analysis on Spheres and Balls} by the authors. It provides a self-contained introduction to spherical harmonics. The book will be published as a title in {\it Springer Monographs in Mathematics} by Springer in 2013. The table of contents of the book is attached at the end of this file.
Dai, F., Xu, Y.
openaire   +3 more sources

Investigation of symmetric non-spherical particle shapes by applying low-resolution spherical harmonics

open access: yesNonlinear Analysis, 2017
The issue of mathematical modelling of non-spherical shapes of particles is considered. Thus, application of the spherical harmonics (SH) technique in modelling the simplest symmetric star-shaped particles is demonstrated by applying low-resolution ...
Urtė Radvilaitė   +2 more
doaj   +1 more source

Comparison of Spherical Data Interpolation Methods for Spacecraft Radiation Pressure Characteristics Interpolation

open access: yesIEEE Access
This paper presents a comparison of four interpolation techniques for interpolation of spacecraft solar radiation data characteristics. As radiative characteristics are functions of spacecraft orientation with respect to the incoming radiation vector ...
Mateusz Sochacki, Olgierd Skromak
doaj   +1 more source

Remarks on the mean-square values of the geomagnetic field and its components

open access: yesAnnals of Geophysics, 1995
When considering functions on the Earth's (spherical) surface, mean-square values are often used to indicate their (relative) magnitude. If a function is separated into it, (essentially) spherical harmonic components then, provided these individual ...
F. J. Lowes, C. Falcone, A. De Santis
doaj   +1 more source

Connection Formulae between Ellipsoidal and Spherical Harmonics with Applications to Fluid Dynamics and Electromagnetic Scattering

open access: yesAdvances in Mathematical Physics, 2015
The environment of the ellipsoidal system, significantly more complex than the spherical one, provides the necessary settings for tackling boundary value problems in anisotropic space.
Michael Doschoris, Panayiotis Vafeas
doaj   +1 more source

Loudness stability of binaural sound with spherical harmonic representation of sparse head-related transfer functions

open access: yesEURASIP Journal on Audio, Speech, and Music Processing, 2019
In response to renewed interest in virtual and augmented reality, the need for high-quality spatial audio systems has emerged. The reproduction of immersive and realistic virtual sound requires high resolution individualized head-related transfer ...
Zamir Ben-Hur   +3 more
doaj   +1 more source

Compilation of the regional quasigeoid model for New Zealand using the discretised integral-equation approach

open access: yesJournal of Geodetic Science, 2012
We evaluate the new regional quasigeoid model (OTG12) for New Zealand using the method which utilises the discretised integral equation approach for computing the near-zone contribution.
Abdalla A., Tenzer R.
doaj   +1 more source

A concise way to generate expressions for spherical harmonics [PDF]

open access: yesRevista Brasileira de Ensino de Física
This paper presents a concise way to approach spherical harmonics. Deriving expressions for spherical harmonics from basic angular-momentum algebra is natural but cumbersome in detail.
Alexey E. Rastegin
doaj   +2 more sources

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