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UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2024-11-23 18:23 |
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Conference: Bucharest University Faculty of Physics 2002 Meeting
Section: Atomic and Molecular Physics; Astrophysics
Title:
Some present Tasks and Tools of the Numerical Physics
Authors:
Dan Iordache, Stefan Pusca
Affiliation:
University " Politehnica" of Bucharest
E-mail
Keywords:
Abstract:
In this period of very fast increasing of the technical possibilities of the computers, as well as of the number of published works, the Numerical Physics most provide: a) some accurate criteria intended to the evaluation of the compatibility of a theoretical model to the experimental results, b) computing algorithms which ensure (i) a satisfactory accuracy, avoiding the instability and non convergence phenomena and limiting the dispersion-distortion phenomena, (ii) a minimal duration of calculations ( numerical simulations). The field of Numerical Physics has the support of Mathematics and of Theoretical Physics, providing the necessary algorithms for the computing codes used by Computational Physics. Surely, the results of numerical computations have many applications, both in the field of Theoretical Physics and in different domains of Applied Physics. Taking into account that the validity domain of the different Physics Theoretical Models corresponds to some numerical values of the similitude criteria, one finds that the Numerical Physics is also very important for the classifications of these domains and, for the Physics teaching (in frame of Technical Universities, especially), consequently.
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