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Vorträge und Posterpräsentationen (mit Tagungsband-Eintrag):

D. Ritzberger, A. Schirrer, S. Jakubek:
"Formulating the perfectly matched layer as a control optimization problem";
Vortrag: Polish congress of mechanics - international conference on computer methods in mechanics (PCM-CMM), Gdansk; 08.09.2015 - 11.09.2015; in: "Pcm-Cmm-2015 Congress Book Of Short Papers (volume 1 & Volume 2)", (2015), S. 61 - 62.



Kurzfassung englisch:
An automated approach to emulate the absorbing properties of a perfectly matched layer (PML) in wave equations is presented. Instead
of applying the coordinate stretching to obtain a modified PML wave equation, a feedback boundary controller is parameterized. The
set of unknown control parameters is obtained through genetic optimization by minimizing the error between the wave equation with
additional feedback controller and the desired damped fundamental solution at certain frequency pairs. With this approach the time-
consuming task of constructing a PML, especially for complex wave-like equations like the moving Euler-Bernoulli beam, is automated
and it leads to an easy-to-implement and computationally efficient alternative.

Schlagworte:
Absorbing boundary conditions, Genetic optimization, Euler-Bernoulli beam


Elektronische Version der Publikation:
http://publik.tuwien.ac.at/files/PubDat_244324.pdf


Erstellt aus der Publikationsdatenbank der Technischen Universitšt Wien.