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Analysis of the stability and dispersion for a Riemannian acoustic wave equation
(ELSEVIER SCIENCE INC, 2019-01-15)
The construction of images of the Earth's interior using methods as reverse time migration (RTM) or full wave inversion (FWI) strongly depends on the numerical solution of the wave equation. A mathematical expression of ...
Stochastic exponential stability of singular linear systems with Markov jump parameters
(2012-08-08)
This paper deals with exponential stability of discrete-time singular systems with Markov jump parameters. We propose a set of coupled generalized Lyapunov equations (CGLE) that provides sufficient conditions to check this ...
Stability of linear stochastic systems via Lyapunov exponents and applications to power systems
(ELSEVIER SCIENCE INC, 2012)
This paper studies linear systems under sustained random perturbations. The stochastic perturbation model is given by a bounded Markov diffusion process, as it appears, e. g., in the description of load or generation ...
Study of a stabilized mixed finite element with emphasis on its numerical performance for strain localization problems
(John Wiley & Sons Ltd, 2008-12)
The numerical performance of a stabilized mixed finite-element formulation based on the pressuregradient- projection method (PGP) using equal-order (linear) interpolation is evaluated by solving solid mechanics problems, ...
Rock pillar design using amasonry equivalent numerical model
(MDPI, 2021)
In underground mining, the design of rock pillars is of crucial importance as these are
structures that allow safe mining by maintaining the stability of the surrounding excavations. Pillar
design is often a complex task, ...
Numerical assessment of stability of interface discontinuous finite element pressure spaces
(ElsevierLausanne, 2012)
The stability of two recently developed pressure spaces has been assessed numerically: The space proposed by Ausas et al. [R.F. Ausas, F.S. Sousa, G.C. Buscaglia, An improved finite element space for discontinuous pressures, ...
Stochastic exponential stability of singular linear systems with Markov jump parameters
(2012-08-08)
This paper deals with exponential stability of discrete-time singular systems with Markov jump parameters. We propose a set of coupled generalized Lyapunov equations (CGLE) that provides sufficient conditions to check this ...
Improving the stability conditions of TS fuzzy systems with fuzzy Lyapunov functions
(2011-12-01)
In this paper, the fuzzy Lyapunov function approach is considered for stabilizing continuous-time Takagi-Sugeno fuzzy systems. Previous linear matrix inequality (LMI) stability conditions are relaxed by exploring further ...
Improving the stability conditions of TS fuzzy systems with fuzzy Lyapunov functions
(2011-12-01)
In this paper, the fuzzy Lyapunov function approach is considered for stabilizing continuous-time Takagi-Sugeno fuzzy systems. Previous linear matrix inequality (LMI) stability conditions are relaxed by exploring further ...