Publications

List of Publications:

Under preparation

  1. V. de la Rubia, S. Chellappa, L. Feng, P. Benner, Fast A Posteriori State Error Estimation for Reliable Frequency Sweep in Microwave Circuits via the Reduced-Basis Method, in preparation to be submitted to IEEE TMTT.

Submitted

  1. S. Chellappa, L. Feng, P. Benner, A Training Set Subsampling Strategy for the Reduced Basis Method, Submitted to the Journal of Scientific Computing (2021).
    Preprint BibTeX
  @TechReport{morCheFB21,
    author        = {Chellappa, S. and Feng, L. and Benner, P.},
    title         = {A Training Set Subsampling Strategy for the Reduced Basis Method},
    institution   = {arXiv},
    year          = 2021,
    type          = {e-prints},
    number        = {2103.06185},
    note          = {math.NA},
    url           = {https://arxiv.org/abs/2103.06185}
    }
  
  1. S. Chellappa, L. Feng, V. de la Rubia, P. Benner, Inf-Sup-Constant-Free State Error Estimator for Model Order Reduction of Parametric Systems in Electromagnetics, Submitted to IEEE TAP (2021).
    Preprint BibTeX
  @TechReport{morCheFdetal21,
    author        = {Chellappa, S. and Feng, L. and de la Rubia, V. and Benner, P.},
    title         = {Inf-Sup-Constant-Free State Error Estimator for Model Order Reduction of Parametric Systems
in Electromagnetics}, institution = {arXiv}, year = 2021, type = {e-prints}, number = {2104.12802}, note = {math.NA}, url = {https://arxiv.org/abs/2104.12802} }

Accepted

  1. S. Chellappa, L. Feng, V. de la Rubia, P. Benner, Adaptive Interpolatory {MOR} by Learning the Error Estimator in the Parameter Domain, in: Model Reduction of Complex Dynamical Systems, International Series of Numerical Mathematics, Springer, 2020.
    Preprint BibTeX
         @InCollection{morCheFdetal20,
         author    = {Chellappa, S. and Feng, L. and de la Rubia, V. and Benner, P.},
         title     = {Adaptive Interpolatory {MOR} by Learning the Error Estimator
                     in the Parameter Domain},
         booktitle = {Model Reduction of Complex Dynamical Systems},
         series    = {International Series of Numerical Mathematics},
         editors   = {Benner, P. and Breiten, T. and Fa{\ss}bender, H. and Hinze, M.
                     and Stykel, T. and Zimmermann, R.},
         publisher = {Springer},
         year      = {2020}
         }
       
  2. S. Chellappa, L. Feng, P. Benner, An Adaptive Sampling Approach for the Reduced Basis Method, in: Realization and Model Reduction of Dynamical Systems - A Festschrift in Honor of the 70th Birthday of Thanos Antoulas, Springer, 2020.
    Preprint BibTeX
         @InCollection{morCheFB20,
         author    = {Chellappa, S. and Feng, L. and Benner, P.},
         title     = {An Adaptive Sampling Approach for the Reduced Basis Method},
         booktitle = {Realization and Model Reduction of Dynamical Systems -
                     A Festschrift in Honor of the 70th Birthday of Thanos
                     Antoulas},
         editors   = {Beattie, C. and Benner, P. and Embree, M. and Gugercin, S. and
                     Lefteriu, S.},
         publisher = {Springer},
         year      = {2020}
         }
       

Journal

  1. S. Chellappa, L. Feng, P. Benner, Adaptive Basis Construction and Improved Error Estimation for Parametric Nonlinear Dynamical Systems, Internat. J. Numer. Methods Engrg., 121(23), 5320–5349, 2020.
    URL DOI BibTeX
     @Article{morCheFB20a,
     author  = {Chellappa, S. and Feng, L. and Benner, P.},
     title   = {Adaptive Basis Construction and Improved Error Estimation for
                 Parametric Nonlinear Dynamical Systems},
     journal = {Internat. J. Numer. Methods Engrg.},
     volume  = {121},
     number  = {23},
     pages   = {5320--5349},
     year    = {2020},
     url     = {https://onlinelibrary.wiley.com/doi/epdf/10.1002/nme.6462},
     doi     = {10.1002/nme.6462}
     }
     

Book Chapter

Conference Proceedings

  1. C. Sridhar, S. Venkatesh, A. Santosh Kumar, Power Loss Estimation in a 420kV Gas Insulated Busbar (GIB) by Theoretical and Simulation Techniques – A Comparison, IEEE 1st International Conference on Condition Assessment Techniques in Electrical Systems (CATCON), Kolkata, pp. 213-217, 2013.
    URL DOI BibTeX
       @INPROCEEDINGS{SriVK13,
       author    = {C. {Sridhar} and S. {Venkatesh} and A. S. {Kumar}},
       booktitle = {2013 IEEE 1st International Conference on Condition 
                    Assessment Techniques in Electrical Systems (CATCON)}, 
       title     = {Power loss estimation in a 420kv Gas Insulated Busbar (GIB) 
                    by theoretical and simulation techniques — A comparison}, 
       year      = {2013},
       volume    = {},
       number    = {},
       pages     = {213-217}
       }
     

Theses

  1. S. Chellappa, High Frequency behaviour of Induction Machines, Master Thesis, University of Oviedo, 2016. Performed while at Robert Bosch Corporate Research Center, Renningen, Germany.

  2. Sridhar C, Power loss estimation in a gas insulated substation (GIS) busbar, Bachelor Thesis, SASTRA University, 2013. Performed while at Alstom T&D India Ltd., Chennai, India.
    URL


Note: In some of my papers, I am cited as C Sridhar or Sridhar C. Do not be confused, I am not impersonating someone else. The reason for this difference can be read here.