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An unconditionally stable finite difference scheme systems described by second order partial differential equations

Result description

An unconditionally stable finite difference scheme for systems whose dynamics are described by a second-order partial differential equation is developed. The scheme is motivated by the well-known Crank-Nicolson discretization which was developed for first-order systems. The stability of the finite-difference scheme is analysed by von Neumann?s method. Using the new scheme, a discrete in time and space model of a deformable mirror is derived as the basis for control law design. The convergence of this scheme for various values of the discretization parameters is checked by numerical simulations.

Keywords

Discretizationimplicit difference schemerepetitive processes

The result's identifiers

Alternative languages

  • Result language

    angličtina

  • Original language name

    An unconditionally stable finite difference scheme systems described by second order partial differential equations

  • Original language description

    An unconditionally stable finite difference scheme for systems whose dynamics are described by a second-order partial differential equation is developed. The scheme is motivated by the well-known Crank-Nicolson discretization which was developed for first-order systems. The stability of the finite-difference scheme is analysed by von Neumann?s method. Using the new scheme, a discrete in time and space model of a deformable mirror is derived as the basis for control law design. The convergence of this scheme for various values of the discretization parameters is checked by numerical simulations.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    BC - Theory and management systems

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2015

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Proceedings of the 2015 IEEE 9th International Workshop on Multidimensional (nD) Systems (nDS )

  • ISBN

    978-1-4799-8739-9

  • ISSN

  • e-ISSN

  • Number of pages

    6

  • Pages from-to

    134-139

  • Publisher name

    IEEE

  • Place of publication

    Vila Real

  • Event location

    Vila Real

  • Event date

    Sep 9, 2015

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article