• Media type: Text; E-Book; Report
  • Title: Admittance identification from point-wise sound pressure measurements using reduced-order modelling
  • Contributor: Volkwein, Stefan [Author]
  • imprint: KOPS - The Institutional Repository of the University of Konstanz, 2009
  • Language: English
  • Keywords: Quasi-Newton-Verfahren ; Optimale Kontrolle ; 65K10 ; optimality conditions ; 49K20 ; Helmholtz equation ; proper orthogonal decomposition ; Parameteridentifikation ; Helmholtz-Schwingungsgleichung ; 65K30 ; optimal control
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  • Description: In this work an acoustic application is studied. The goal is to estimate the complex-valued admittance from given point measurements of the sound pressure. This parameter identification problem is formulated in terms of an infinite-dimensional optimization problem. First- and second-order optimality conditions are discussed. For the numerical realization a reduced-order model based on proper orthogonal decomposition is used. Numerical examples illustrate the efficiency of the proposed approach. ; published
  • Access State: Open Access
  • Rights information: In Copyright