Magnetization normal oscillation modes in saturated ferromagnetic nanoparticles

2008 ◽  
Vol 403 (2-3) ◽  
pp. 242-244 ◽  
Author(s):  
M. d’Aquino ◽  
C. Serpico ◽  
G. Miano ◽  
G. Bertotti ◽  
I.D. Mayergoyz
1988 ◽  
Vol 18 (1) ◽  
pp. 114-115
Author(s):  
I B Vitrishchak ◽  
S Yu Orlov ◽  
V P Pokrovskiĭ ◽  
L N Soms

1992 ◽  
Vol 03 (supp01) ◽  
pp. 201-207
Author(s):  
GIULIA IORI

We present a brief review of the main analytical and experimental results on the problem of protein folding. We will then discuss the conformational properties of the IMP model for an heteropolymeric chain at low and zero temperature. Finally we will analyze the dynamical relaxation of this system subject to the action of an external perturbation and we will discuss the localization of the normal oscillation modes around one stable configuration.


2000 ◽  
Vol 170 (3) ◽  
pp. 331 ◽  
Author(s):  
S.A. Gusev ◽  
Yu.N. Nozdrin ◽  
M.V. Sapozhnikov ◽  
A.A. Fraerman

Author(s):  
Erick Baleeiro da Silva ◽  
José Mário Araújo

AbstractIn this study, a methodology for partial eigenstructure assignment (PEVA) is applied to dampen electromechanical oscillations in electrical multi-machine power systems. The approach is anchored in allocating a small number of undesirable eigenvalues, for example, which are poorly damped, preserving the other eigenvalues in the system - the so-called no-spillover spectrum. The new position of the selected eigenvalues is carried out based on the partial controllability analysis of the system, in order to minimize the control effort. Simulation examples using a system with 68 buses, 16 generators and five areas showed that the presented methodology is efficient in dampening the local and inter-area oscillation modes when compared to the classic power system stabilizers (PSS). The quality of the solution is illustrated through computer simulations, eigenvalues tables and mode-shapes.


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