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Title:
PULSE: a finite element code for solving adiabatic nonradial pulsation equations
Authors:
Brassard, Pierre; Charpinet, Stéphane
Affiliation:
AA(Université de Montréal), AB(Observatoire Midi-Pyrénées)
Publication:
Astrophysics and Space Science, Volume 316, Issue 1-4, pp. 107-112 (Ap&SS Homepage)
Publication Date:
08/2008
Origin:
SPRINGER
Keywords:
Methods: numerics, Stars: oscillations, Stars: asteroseismology
DOI:
10.1007/s10509-007-9733-z
Bibliographic Code:
2008Ap&SS.316..107B

Abstract

We briefly present the nonradial adiabatic pulsation code PULSE first developped for white dwarf asteroseismology and now used to compute adiabatic oscillation properties for various types of stellar objects. Numerical tests show that the code is able to provide the accuracy (for a given stellar model) required to deal with the precision in frequency expected from the COROT long runs. While the ultimate objective is to compare the output of various pulsation codes (see these proceedings), we already emphasize problems that need to be addressed concerning, in particular, the mesh resolution of the input stellar models and its impact on the accuracy at which frequencies can be computed.
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Database: Astronomy
Physics
arXiv e-prints