Lothar Nannen

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Dr. Lothar Nannen

 

Address

Institute for Analysis and Scientific Computing <br\> Wiedner Hauptstrasse 8-10 <br\> Raum DA 03 F22 <br\> 1040 Wien, Austria

Tel: +43 1 58801 10120 <br\> Email: Lothar Nannen


Research Interests

finite element methods, scattering and resonance problems in open systems, transparent boundary conditions

Projects

Publications

  1. Halla, M., Nannen, L. (2014) A Hardy space method for elastic waveguides. In preparation.
  2. Halla, M., Hohage, T., Nannen, L., Schöberl, J. (2014) Hardy space infinite elements for time-harmonic wave equations with phase velocities of different signs. ASC Report.
  3. Hohage, T., Nannen, L. (2013) Convergence of infinite element methods for scalar waveguide problems. arXiv.
  4. Nannen, L. , Hohage, T. , Schädle, A., Schöberl. J. (2013). Hardy space method for exterior Maxwell problems. Oberwolfach Report.
  5. Halla, M., Hohage, T., Nannen, L., Schöberl, J. (2013) Hardy space method for waveguides. Oberwolfach Report.
  6. Nannen, L. , Hohage, T. , Schädle, A., Schöberl. J. (2013). Exact Sequences of High Order Hardy Space Infinite Elements for Exterior Maxwell Problems. SIAM J. Scientific Computing, 35(2): A1024-A1048. online, arxiv, extended abstract.
  7. Hein, S., Koch, W., Nannen, L. (2012). Trapped modes and Fano resonances in two-dimensional acoustical duct-cavity systems. Journal of Fluid Mechanics, 692:257-287. online.
  8. Nannen, L., Schädle, A. (2011). Hardy space infinite elements for Helmholtz-type problems with unbounded inhomogeneities. Wave Motion, 48(2):116-129. online.
  9. Hein, S., Koch, W., Nannen, L. (2010). Fano resonances in acoustics. Journal of Fluid Mechanics, 664:238-264. online.
  10. Hohage, T., Nannen, L. (2009). Hardy space infinite elements for scattering and resonance problems. SIAM J. Num. Analysis, 47:972-996. online.

PhD Thesis

Hardy-Raum Methoden zur numerischen Lösung von Streu- und Resonanzproblemen auf unbeschränkten Gebieten. Universität Göttingen, Der Andere Verlag, ISBN 978-3-89959-742-4. online

Programms

  1. ngs-waves: Add-on to the finite element package ngsolve for acoustic and electromagnetic scattering and resonance problems.