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TU Berlin

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Mathias Lemke (Dr.-Ing.)

Mathias Lemke

+49 (0)30 314 24339 (Tel)
+49 (0)30 314 22638 (Fax)

Office: VWS 122
Post: TU-Berlin, Sekr. MB1
Müller-Breslau-Straße 15
10623 Berlin


Research interests:

  • Data Assimilation
  • Adjoint methods
  • Reactive flows / Chemical kinetics
  • Sound reinforcement
  • Compressible flows
  • Particle Image Velocimetry / Schlieren

Own Projects:


Scientific Contributions

Adjoint based optimisation of reactive compressible flows
Citation key LemkeReissSesterhenn2014
Author Mathias Lemke and Julius Reiss and Jörn Sesterhenn
Pages 2552 - 2564
Year 2014
ISSN 0010-2180
DOI http://dx.doi.org/10.1016/j.combustflame.2014.03.020
Journal Combustion and Flame
Volume 161
Number 10
Abstract Abstract We derive adjoint equations for the reactive compressible Navier–Stokes equations. Therein the reaction rate is modelled by an Arrhenius approach. The adjoint equations are validated by means of a comparison between the adjoint solution and a finite difference expression. An adjoint based optimisation framework for reactive compressible flows is presented. Formulations for different target functions are shown. One- and two-dimensional laminar flame configurations are presented. We find, that the adjoint approach works well despite the strong non-linearity of the reaction terms.
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