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2020
In this chapter some basic concepts of the finite element method are illustrated by solving basic discrete systems built from springs and bars. Generation of element stiffness matrix and assembly for the global system is performed. First basic steps on finite element programs are described.
Ferreira A. J. M., Fantuzzi N.
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In this chapter some basic concepts of the finite element method are illustrated by solving basic discrete systems built from springs and bars. Generation of element stiffness matrix and assembly for the global system is performed. First basic steps on finite element programs are described.
Ferreira A. J. M., Fantuzzi N.
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ON CHAOTIFICATION OF DISCRETE SYSTEMS
International Journal of Bifurcation and Chaos, 2003In this paper, the problem of making a nonlinear system chaotic by using state-feedback control is studied. The feedback controller uses a simple sine function of the system state, but only one component in each dimension. It is proved, by using the anti-integrable limit method, that the designed control system generates chaos in the sense of Devaney ...
Yongai Zheng +2 more
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Discrete-time negative imaginary systems
Automatica, 2017 In this paper we introduce the notion of a discrete-time negative imaginary system and we investigate its relations with discrete-time positive real system theory.
Lorenzo Ntogramatzidis +2 more
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A continuum of discrete systems
Annals of Mathematics and Artificial Intelligence, 1997zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Howard A. Blair +4 more
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Discrete Systems and Flowcharts
IEEE Transactions on Software Engineering, 1978This paper points out the abstract similarities between problems arising in programming, discrete systems analysis in engineering, and network flow problems in operations research. The highly developed techniques of analyzing discrete systems of two terminal elements in electrical engineering become applicable to analyzing the complexity and execution ...
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Chaos in Periodic Discrete Systems
International Journal of Bifurcation and Chaos, 2015This paper focuses on chaos in periodic discrete systems, whose state space may vary with time. Some close relationships between some chaotic dynamical behaviors of a periodic discrete system and its autonomous induced system are given. Based on these relationships, several criteria of chaos are established and some sufficient conditions for no chaos ...
Yuming Shi +3 more
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Diagnosability of discrete event systems
IEEE Transactions on Automatic Control, 1995The authors study the diagnosability of discrete-event systems. Failure detection and isolation is an important task in the automatic control of large, complex systems. A discrete event system (DES) approach to the problem of failure diagnosis is proposed in this work.
Meera Sampath +4 more
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DIMENSION REDUCTION FOR DISCRETE SYSTEMS
Applied and Industrial Mathematics in Italy II, 2007Object of this talk is the description of the overall behaviour of variational pair-interaction lattice systems defined on `thin' domains of ; i.e. on domains consisting on a finite number of mutually interacting copies of a portion of a -dimensional discrete lattice.
ALICANDRO, Roberto +2 more
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Physics Letters A, 1992
Abstract An integrable discrete-time version of the Neumann system is presented. It obtains from the Toda-lattice spectral problem by requiring the potential to be restricted to a suitable finite-dimensional manifold. The analogy with the continuous Neumann system is explained. Some interesting open problems are briefly outlined.
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Abstract An integrable discrete-time version of the Neumann system is presented. It obtains from the Toda-lattice spectral problem by requiring the potential to be restricted to a suitable finite-dimensional manifold. The analogy with the continuous Neumann system is explained. Some interesting open problems are briefly outlined.
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