Prof. Roger A. Sauer Ph.D.

Prof. Roger A. Sauer Ph.D.

Faculty

Mechanical Engineering

Member

Junior Research Group Leader

Research

Computational Mechanics

Contact

Aachen Institute for Advanced Study in Computational Engineering Science (AICES)
RWTH Aachen University
Schinkelstrasse 2a
52056 Aachen
Germany

Phone: +49 241 80 99129
Fax: +49 241 80 628498
Email: sauer@aices.rwth-aachen.de

Education

Professional Career

Research Interests

Nonlinear continuum mechanics, advanced finite element methods, multiscale methods, contact mechanics, biomechanical adhesion, nonlinear membrane and shell theories, self-cleaning surface mechanisms, biological cell membranes
Research group website: Computational Contact and Adhesion Mechanics

Teaching

  • WS 2018/19: Computational Contact Mechanics: scheduled on Wednesday mornings 8:15-9:45 & 10:00-11:30 in 115 Rogowski & 001 GRS. The lecture starts on Wednesday, Oct. 17. Lecture and exercise notes will be posted on L2P
  • WS 2018/19: Computational Multiphysics: re-scheduled to Thursday mornings 8:15-10:45 in 115 Rogowski. The lecture starts on Friday, Oct. 19. Lecture and exercise notes will be posted on L2P
  • WS 2018/19: Advanced Topics in Contact Mechanics (seminar for doctoral and advanced master students): scheduled on Friday mornings 11:00-12:00 in 001 GRS.
  • SS 2019: From Molecular to Continuum Physics II: held on Tuesdays 12:30-14:00 in "kleine Physik" and Fridays 10:30-13:00 in room E1 (both in Rogowski building), starting April 2nd.
  • SS 2019: Nonlinear Finite Element Methods for Solids: held on Thursdays 10:30-14:00 in "kleine Physik" (Rogowski building) starting April 4th.
  • SS 2019: Computational Modeling of Membranes and Shells: held on Wednesday mornings 8:00-10:30 in 115 Rogowski, starting April 3rd.
  • Lecture and exercise notes will be posted on RWTHmoodle
    The lecture 'From Molecular to Continuum Physics II' is supported from Quality Improvement Funds (Qualitätsverbesserungsmittel). The contact person for the use of these funds is Roger Sauer. Further information concerning the use of QVM funds in the faculty of mechanical engineering can be found here.

Publications: Book Chapters

Refereed Journal Publications (arranged by online publication)

2019

  • Ghaffari, R., Shirazian, F., Hu, M., Sauer, R.A.: "A nonlinear hyperelasticity model for single layer blue phosphorus based on ab-initio calculations", preprint
  • Gouravaraju, S., Sauer, R.A., Gautam, S.S.: "Investigating the normal and tangential peeling behavior of gecko spatulae using a coupled adhesion-friction model", preprint
  • Ghaffari, R., Sauer, R.A.: "Nonlinear thermomechanical formulations for anisotropic volume and surface continua", preprint
  • Sahu, A., Omar, Y.A.D., Sauer, R.A., Mandadapu, K.K.: "Arbitrary Lagrangian–Eulerian finite element method for curved and deforming surfaces: I. General theory and application to fluid interfaces", preprint
  • Sauer, R.A., Ghaffari, R., Gupta, A.: "The multiplicative deformation split for shells with application to growth, chemical swelling, thermoelasticity, viscoelasticity and elastoplasticity", preprint
  • Zimmermann, C., Toshniwal, D., Landis, C.M., Hughes, T.J.R., Mandadapu, K.K., Sauer, R.A.: "An isogeometric finite element formulation for phase fields on deforming surfaces", Comput. Meth. Appl. Mech. Engrg., accepted, 2019, preprint
  • Vu-Bac, N., Duong, T.X., Lahmer, T., Areias, P., Sauer, R.A., Park, H.S., Rabczuk, T.: "A NURBS-based inverse analysis of thermal expansion induced morphing of thin shells", Comput. Meth. Appl. Mech. Engrg., accepted, 2019
  • Duong, T.X., Sauer, R.A.: "A concise frictional contact formulation based on surface potentials and isogeometric discretization", Comput. Mech., accepted, 2019, preprint

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

2005

Other Publications

2016

  • Mergel, J.C., Sauer, R.S, Ober-Blöbaum, S.: "C1-continuous time discretization based on cubic Hermite interpolation”, Proc. Appl. Math. Mech., 16:753-754

2015

2014

2013

2012

2011

2010

2009

2008

2007

2006

2003

  • Sauer, R.A.: "The 2D finite Eshelby tensor for a circular inclusion", Master thesis, University of California at Berkeley, 2003

2002

  • Sauer, R.A.: "Development and numerical implementation of a three-dimensional elastoplastic model for the computation of concrete structures", Diplomarbeit, University of Karlsruhe, Germany, 2002