scholarly journals Polygram Stars: Resonant Tidal Excitation of Fundamental Oscillation Modes in Asynchronous Stellar Coalescence

2019 ◽  
Vol 877 (1) ◽  
pp. 28 ◽  
Author(s):  
Morgan MacLeod ◽  
Michelle Vick ◽  
Dong Lai ◽  
James M. Stone
Keyword(s):  
Oscillation Modes ◽  
Fundamental Oscillation

scholarly journals Fundamental oscillation modes of self-interacting bosonic dark stars

2019 ◽  
Vol 2019 (06) ◽  
pp. 051-051 ◽  
Author(s):  
C. Vásquez Flores ◽  
Alessandro Parisi ◽  
Chian-Shu Chen ◽  
Germán Lugones
Keyword(s):  
Oscillation Modes ◽  
Fundamental Oscillation

scholarly journals Fundamental oscillation modes of neutron stars: Validity of universal relations

2015 ◽  
Vol 91 (4) ◽  
Author(s):  
Cecilia Chirenti ◽  
Gibran H. de Souza ◽  
Wolfgang Kastaun
Keyword(s):  
Neutron Stars ◽  
Oscillation Modes ◽  
Fundamental Oscillation

Application of partial eigenvalue assignment techniques to dampen electromechanical oscillations in multi-machine power systems

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Erick Baleeiro da Silva ◽  
José Mário Araújo
Keyword(s):  
Power Systems ◽  
The Other ◽  
Mode Shapes ◽  
Eigenstructure Assignment ◽  
Power System Stabilizers ◽  
Control Effort ◽  
Electromechanical Oscillations ◽  
Oscillation Modes ◽  
Partial Controllability

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.

scholarly journals Oscillation Modes of Slag-Metallic Bath Interface

1998 ◽  
Vol 39 (6) ◽  
pp. 668-671 ◽  
Author(s):  
M. Agop ◽  
V. Cojocaru
Keyword(s):  
Oscillation Modes ◽  
Metallic Bath

Oscillation modes of lasers with dielectric cavities

1966 ◽  
Vol 8 (1) ◽  
pp. 57-62
Author(s):  
A. N. Oraevskii ◽  
V. A. Shcheglov
Keyword(s):  
Oscillation Modes
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