Karl Steeger

M. Sc. Karl Steeger

Research » Teaching » Career » Supervised theses » Publications

Research

Development of mixed finite element formulations for

  • quasi-incompressible linear elastodynamics
  • isotropic und anisotropic hyperelasticity
  • elasto-(visco)plastic material behaviour

Teaching

  • Mechanik 1 (Engineering Mechanics 1: Statics / Elastostatics I)
  • Mechanik 2 (Engineering Mechanics 2: Elastostatics II / Hydromechanics)
  • Lineare Finite Elemente Methoden (Linear Finite Element Methods)
  • Berechnungsprogramme im Bauwesen (Computation Programs for Civil Engineers)
  • Bauinformatik (Computer Sciences for Civil Engineers)
  • Mechanik 4 (Engineering Mechanics 4: Higher Elastostatics / Theory of Oscillations)

Career

2002 High-school diploma (Abitur), Kardinal-von-Galen Gymnasium Kevelaer
2002-2003 Civilian service
2003-2005 Apprenticeship as bricklayer, Bauunternehmung B. Dorenkamp KG in Geldern
2005-2008 Bachelor degree course of civil engineering, University Duisburg-Essen
2008-2010 Master studies of computational mechanics, University Duisburg-Essen
2010 Visiting research associate, Department CEE, UC Berkeley, duration: 3 month
seit 2010 Research assistant at the Institute of Mechanics, University Duisburg-Essen

Supervised theses

Viehbahn, N. [2012], "Numerical investigation of time integration schemes
for the solution of structural mechanical problems", Bachelor thesis, Institut of Mechanics, Abt. Bauwissenschaften, Universität Duisburg-Essen.

Publications

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Nisters, C., Schwarz, A., Steeger, K. & Schröder, J. (2015), "A stress-velocity least-squares mixed finite element formulation for incompressible elastodynamics", Proceedings in Applied Mathematics and Mechanics. Vol. 15(1), pp. 217-218.

[BibTeX]
BibTeX: 
@article{NisSchSteSch:2015:asv,
  author = {C. Nisters and A. Schwarz and K. Steeger and J. Schröder},
  title = {A stress-velocity least-squares mixed finite element formulation for incompressible elastodynamics},
  journal = {Proceedings in Applied Mathematics and Mechanics},
  year = {2015},
  volume = {15},
  number = {1},
  pages = {217--218}
}
Schwarz, A., Steeger, K. & Schröder, J. (2015), "Weighted overconstrained least-squares mixed finite elements for hyperelasticity", Proceedings in Applied Mathematics and Mechanics. Vol. 15, pp. 227-228.

[BibTeX]
BibTeX: 
@article{SchSteSch:2015:wol,
  author = {A. Schwarz and K. Steeger and J. Schröder},
  title = {Weighted overconstrained least-squares mixed finite elements for hyperelasticity},
  journal = {Proceedings in Applied Mathematics and Mechanics},
  year = {2015},
  volume = {15},
  pages = {227--228}
}
Steeger, K., Schröder, J. & Schwarz, A. (2015), "Comparison of a mixed least-squares formulation using different approximation spaces", Proceedings in Applied Mathematics and Mechanics. Vol. 15, pp. 233-234.

[BibTeX]
BibTeX: 
@article{SteSchSchStaMue:2014:coa,
  author = {K. Steeger and J. Schröder and A. Schwarz},
  title = {Comparison of a mixed least-squares formulation using different approximation spaces},
  journal = {Proceedings in Applied Mathematics and Mechanics},
  year = {2015},
  volume = {15},
  pages = {233--234}
}
Schwarz, A., Steeger, K. & Schröder, J. (2014), "Weighted overconstrained least-squares mixed finite elements for static and dynamic problems in quasi-incompressible elasticity", Computational Mechanics. Vol. 54(1), pp. 603-612.

[BibTeX]
BibTeX: 
@article{SchSteSch:2014:wol,
  author = {A. Schwarz and K. Steeger and J. Schröder},
  title = {Weighted overconstrained least-squares mixed finite elements for static and dynamic problems in quasi-incompressible elasticity},
  journal = {Computational Mechanics},
  year = {2014},
  volume = {54},
  number = {1},
  pages = {603--612}
}
Schwarz, A., Steeger, K., Schröder, J., Starke, G. & Müller, B. (2014), "An improved mixed finite element based on a modified least-squares formulation for hyperelasticity", Proceedings in Applied Mathematics and Mechanics. Vol. 14, pp. 243-244.

[BibTeX]
BibTeX: 
@article{SchSteSchStaMue:2014:aim,
  author = {A. Schwarz and K. Steeger and J. Schröder and G. Starke and B. Müller},
  title = {An improved mixed finite element based on a modified least-squares formulation for hyperelasticity},
  journal = {Proceedings in Applied Mathematics and Mechanics},
  year = {2014},
  volume = {14},
  pages = {243--244}
}
Steeger, K., Schwarz, A., Schröder, J., Starke, G. & Müller, B. (2014), "On a least-squares formulation for hyperelastic, transversely isotropic problems", Proceedings in Applied Mathematics and Mechanics. Vol. 14, pp. 247-248.

[BibTeX]
BibTeX: 
@article{SteSchSchStaMue:2014:oal,
  author = {K. Steeger and A. Schwarz and J. Schröder and G. Starke and B. Müller},
  title = {On a least-squares formulation for hyperelastic, transversely isotropic problems},
  journal = {Proceedings in Applied Mathematics and Mechanics},
  year = {2014},
  volume = {14},
  pages = {247--248}
}
Steeger, K., Schwarz, A., Schröder, J., Starke, G. & Müller, B. (2013), "Comparison of geometrically nonlinear LSFEM formulations based on different hyperelastic models", Proceedings in Applied Mathematics and Mechanics. Vol. 13, pp. 97-98.

[BibTeX]
BibTeX: 
@article{SteSchSchStaMue:2013:shp,
  author = {K. Steeger and A. Schwarz and J. Schröder and G. Starke and B. Müller},
  title = {Comparison of geometrically nonlinear LSFEM formulations based on different hyperelastic models},
  journal = {Proceedings in Applied Mathematics and Mechanics},
  year = {2013},
  volume = {13},
  pages = {97--98}
}
Schwarz, A., Schröder, J., Starke, G. & Steeger, K. (2012), "Least-squares mixed finite elements for hyperelastic material models", In Report of the Workshop 1207 at the ``Mathematisches Forschungsinstitut Oberwolfach'' entitled ``Advanced Computational Engineering'', organized by O. Allix, C. Carstensen, J. Schröder, P. Wriggers., pp. 470-472.

[BibTeX]
BibTeX: 
@inproceedings{SchSchStaSte:2012:lmf,
  author = {A. Schwarz and J. Schröder and G. Starke and K. Steeger},
  title = {Least-squares mixed finite elements for hyperelastic material models},
  booktitle = {Report of the Workshop 1207 at the ``Mathematisches Forschungsinstitut Oberwolfach'' entitled ``Advanced Computational Engineering'', organized by O. Allix, C. Carstensen, J. Schröder, P. Wriggers},
  year = {2012},
  pages = {470--472}
}
Steeger, K., Schwarz, A., Schröder, J., Starke, G. & Müller, B. (2012), "Solving hyperelastic problems using mixed LSFEM", Proceedings in Applied Mathematics and Mechanics. Vol. 12, pp. 215-216.

[BibTeX]
BibTeX: 
@article{SteSchSchStaMue:2012:shp,
  author = {K. Steeger and A. Schwarz and J. Schröder and G. Starke and B. Müller},
  title = {Solving hyperelastic problems using mixed LSFEM},
  journal = {Proceedings in Applied Mathematics and Mechanics},
  year = {2012},
  volume = {12},
  pages = {215--216}
}
Steeger, K., Schwarz, A. & Schröder, J. (2011), "A weighted least-squares mixed finite element formulation for quasi-incompressible elastodynamics", Proceedings in Applied Mathematics and Mechanics. Vol. 11(1), pp. 287-288.

[BibTeX]
BibTeX: 
@article{SteSchSch:2011:awl,
  author = {K. Steeger and A. Schwarz and J. Schröder},
  title = {A weighted least-squares mixed finite element formulation for quasi-incompressible elastodynamics},
  journal = {Proceedings in Applied Mathematics and Mechanics},
  year = {2011},
  volume = {11},
  number = {1},
  pages = {287--288}
}
Steeger, K., Schwarz, A. & Schröder, J. (2010), "A least-squares mixed finite element for quasi-incompressible elastodynamics", Proceedings in Applied Mathematics and Mechanics. Vol. 10(1), pp. 219-220.

[BibTeX]
BibTeX: 
@article{SteSchSch:2010:als,
  author = {K. Steeger and A. Schwarz and J. Schröder},
  title = {A least-squares mixed finite element for quasi-incompressible elastodynamics},
  journal = {Proceedings in Applied Mathematics and Mechanics},
  year = {2010},
  volume = {10},
  number = {1},
  pages = {219--220}
}
Schwarz, A., Schröder, J. & Steeger, K. (2009), "A modified least-squares Finite Element Formulation for Small Strain Plasticity", In Proceedings of the International Congress of Croatian Society of Mechanics (ICCSM), 2009.

[BibTeX]
BibTeX: 
@conference{SchSchSte:2011:amls,
  author = {A. Schwarz and J. Schröder and K. Steeger},
  title = {A modified least-squares Finite Element Formulation for Small Strain Plasticity},
  booktitle = {Proceedings of the International Congress of Croatian Society of Mechanics (ICCSM), 2009},
  year = {2009}
}
Steeger, K. (2008), "A least-squares mixed finite element formulation based on the St. Venant-Kirchhoff material law"

[BibTeX]
BibTeX: 
@article{,
  author = {Steeger, K.},
  title = {A least-squares mixed finite element formulation based on the St. Venant-Kirchhoff material law},
  year = {2008}
}

Stand: 21.07.2016

Karl Steeger, M. Sc.

Tel.: +49(0)201/183-3603
Fax: +49(0)201/183-2680
Room: V15 S06 D21
karl.steeger@uni-due.de

Contact / Postal address

Universität Duisburg-Essen

Fakultät für Ingenieurwissenschaften
Abteilung Bauwissenschaften
Institut für Mechanik
Universitätsstraße 15
Raum V15 S06 D21
45141 Essen