Zobrazeno 1 - 10
of 365
pro vyhledávání: '"Festa R."'
Linear stability analysis of an elastically anchored wing in a uniform flow is investigated both analytically and numerically. The analytical formulation explicitly takes into account the effect of the wake on the wing by means of Theodorsen's theory
Externí odkaz:
http://arxiv.org/abs/1202.5390
The issue of the parameterization of small scale (``subgrid'') turbulence is addressed in the context of passive scalar transport. We focus on the Kraichnan advection model which lends itself to the analytical investigation of the closure problem. We
Externí odkaz:
http://arxiv.org/abs/nlin/0305055
Publikováno v:
Europhys. Lett. 60, 820-826 (2002)
The Lorenz 1963 dynamical system is known to reduce in the steady state to a one-dimensional motion of a classical particle subjected to viscous damping in a past history-dependent potential field. If the potential field is substituted by a periodic
Externí odkaz:
http://arxiv.org/abs/nlin/0204020
Publikováno v:
Phys. Rev. E 56, 046205 (2002)
A novel view for the emergence of chaos in Lorenz-like systems is presented. For such purpose, the Lorenz problem is reformulated in a classical mechanical form and it turns out to be equivalent to the problem of a damped and forced one dimensional m
Externí odkaz:
http://arxiv.org/abs/nlin/0204017
The mechanism responsible for the emergence of chaotic behavior has been identified analytically within a class of three-dimensional dynamical systems which generalize the well-known E.N. Lorenz 1963 system. The dynamics in the phase space has been r
Externí odkaz:
http://arxiv.org/abs/nlin/0012009
Autor:
Agnese, A. G., Festa, R.
Starting from a previously stated hypothesis concerning the discretization of the orbits for periodic celestial motions, the mass of ups-Andromedae and the periods of its b- and d- companions are estimated using the accurately known period of the mas
Externí odkaz:
http://arxiv.org/abs/astro-ph/9910534
Passive scalar transport in a spatially-extended background of roll convection is considered in the time-periodic regime. The latter arises due to the even oscillatory instability of the cell lateral boundary, here accounted for by sinusoidal oscilla
Externí odkaz:
http://arxiv.org/abs/chao-dyn/9910029
Autor:
Agnese, A. G., Festa, R.
Publikováno v:
Hadronic J. 21 (1998) 237-253
The Old Quantum Mechanics actions discretization rules for periodic motions on the atomic scale (Bohr-Sommerfeld) have been suitably modified in order to account the gravitational field instead of the electrostatic one. The new rules are used to calc
Externí odkaz:
http://arxiv.org/abs/astro-ph/9807186
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