Prof. Roger A. Sauer Ph.D.

Education

• PhD in Computational Mechanics, University of California at Berkeley, 2006
• MSc in Computational Mechanics, University of California at Berkeley, 2003
• Dipl.-Ing. in Civil Engineering, University of Karlsruhe, 2002

Professional Career

• since 2020: Professor of Civil Engineering, Gdansk University of Technology
• 2019 - 2020: Visiting Professor at UC Berkeley, IIT Kanpur & Gdansk University of Technology
• 2014 - 2019: Associate Professor of Mechanical Engineering, RWTH Aachen Univ.
• 2014 - 2015: Deputy Scientific Director of the Graduate School AICES
• 2012 - 2014: Member of the Junges Kolleg, NRW Academy of the Sciences and Arts
• since 2010: Research Group Leader at AICES, RWTH Aachen University
• 2009 - 2014: Funded by the Emmy Noether program of the DFG
• 2008 - 2009: Young research group leader at the Institute for Continuum Mechanics, Leibniz University Hannover
• 2007 - 2008: Post Doc. at the Institute of Mechanics and Computational Mechanics, Leibniz University Hannover
• 2002 - 2006: Research and teaching assistant at the Department of Civil Engineering, University of California at Berkeley

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

• Paul, K., Hughes, T.J.R., Landis, C.M., Sauer, R.A., Savitha, E.J.: "Dynamic fracture of brittle shells in a space-time adaptive isogeometric phase field framework", in F. Aldakheel et al., editors, Current Trends and Open Problems in Computational Mechanics, pp. 407-415, Springer, 2022, pdf
• Hughes, T.J.R., Zou, Z., Scott, M.A., Sauer, R.A., Savitha, E.J.: "Galerkin formulations with Greville quadrature rules for isogeometric shell analysis: Higher order elements and locking", in F. Aldakheel et al., editors, Current Trends and Open Problems in Computational Mechanics, pp. 207-215, Springer, 2022, pdf
• Sauer, R.A.: "On the computational modeling of lipid bilayers using thin-shell theory", in D. Steigmann, editor, The role of mechanics in the study of lipid bilayers, pp. 221-286, Springer, 2018, pdf
• Kumar, P., Saxena, A., Sauer, R.A.: "Implementation of self contact in path generating compliant mechanisms", in L. Zentner, B. Corves, B. Jensen and E.-C. Lovasz, editors, Microactuators and Micromechanisms, pp. 251-261, Springer, 2016, pdf
• Osman, M., Sauer, R.A.: "Computational analysis of wetting on hydrophobic surfaces: Application to self-cleaning mechanisms", in K.L. Mittal, editor, Advances in Contact Angle, Wettability and Adhesion, Vol. 2, Wiley, 2015, pdf
• Osman, M., Rasool, R., Sauer, R.A.: "Computational aspects of self-cleaning surface mechanisms", in K.L. Mittal, editor, Advances in Contact Angle, Wettability and Adhesion, Vol. 1, Wiley, 2013, pdf
• Sauer, R.A.: "Computational contact formulations for soft body adhesion", in Li, S. and Sun, B., editors, Advances in Soft Matter Mechanics, pp. 55-93, Springer, 2012, pdf
• Sauer, R.A.: "Challenges in computational nanoscale contact mechanics", in Mueller-Hoeppe, D., Loehnert, S. and Reese, S., editors, Recent Developments and Innovative Applications in Computational Mechanics, pp. 39-46, Springer, 2011, pdf

2022

• Zou, Z., Hughes, T.J.R., Scott, M.A., Miao, D., Sauer, R.A.: "Efficient and robust quadratures for isogeometric analysis: Reduced Gauss and Gauss-Greville quadratures", Comput. Methods Appl. Mech. Eng., 392:114722, 2022, pdf
• Duong, T.X., Itskov, M., Sauer, R.A.: "A general isogeometric finite element formulation for rotation-free shells with in-plane bending of embedded fibers", Int. J. Numer. Meth. Engng., in press, 2022, pdf
• Borzeszkowski, B., Lubowiecka, I., Sauer, R.A.: "Nonlinear material identification of heterogeneous isogeometric Kirchhoff-Love shells", Comput. Methods Appl. Mech. Eng., 390:114442, 2022, pdf

2021

• Gouravaraju, S., Narayan, J., Sauer, R.A., Gautam, S.S.: "A Bayesian regularization-backpropagation neural network model for peeling computations", J. Adhesion, in press, 2021, pdf
• Sauer, R.A., Duong, T.X., Mandadapu, K.K.: "A chemo-mechano-thermodynamical contact theory for adhesion, friction and (de)bonding reactions", Math. Mech. Solids, in press, 2021, pdf
• Choi, M.-J., Sauer, R.A., Klinkel, S.: "An isogeometric finite element formulation for geometrically exact Timoshenko beams with extensible directors", Comput. Methods Appl. Mech. Eng., 385:113993, 2021, pdf
• Immel, K., Nguyen, V.-H., Dubory, A., Flouzat-Lachaniette. C.-H., Sauer, R.A., Haiat, G.: "Determinants of the primary stability of cementless acetabular cup implants: A 3D finite element study", Comput. Biol. Med., 135:104607, 2021, pdf
• Zou, Z., Hughes, T.J.R., Scott, M.A., Sauer, R.A., Savitha, E.J.: "Galerkin formulations of isogeometric shell analysis: Alleviating locking with Greville quadratures and higher-order elements", Comput. Methods Appl. Mech. Eng., 380:113757, 2021, pdf
• Mergel, J.C., Scheibert, J., Sauer, R.A.: "Contact with coupled adhesion and friction: Computational framework, applications, and new insights", J. Mech. Phys. Solids, 146:104194, 2021, pdf
• Kumar, P., Sauer, R.A., Saxena, A.: "On topology optimization of large deformation contact-aided shape morphing compliant mechanisms", Mech. Mach. Theory, 156:104135, 2021, pdf

2020

• Omar, Y.A.D., Sahu, A., Sauer, R.A., Mandadapu, K.K.: "Non-axisymmetric shapes of biological membranes from locally induced curvature", Biophys. J., 119(6):1065-1077, 2020, pdf
• Ghaffari, R., Sauer, R.A.: "Nonlinear thermomechanical formulations for anisotropic volume and surface continua", Math. Mech. Solids, 25(11):2076-2117, 2020, pdf
• Paul, K., Zimmermann, C., Duong, T.X., Sauer, R.A.: “Isogeometric continuity constraints for multi-patch shells governed by fourth-order deformation and phase field models”, Comput. Methods Appl. Mech. Engng, 370:113219, 2020, pdf
• Gouravaraju, S., Sauer, R.A., Gautam, S.S.: "On the presence of a critical detachment angle in gecko spatula peeling - A numerical investigation using an adhesive friction model", J. Adhesion, 97(13):1234-1254, 2021, pdf
• Gouravaraju, S., Sauer, R.A., Gautam, S.S.: "Investigating the normal and tangential peeling behavior of gecko spatulae using a coupled adhesion-friction model", J. Adhesion, 97(10):952-983, 2021, pdf
• Paul, K., Zimmermann, C., Mandadapu, K.K., Hughes, T.J.R., Landis, C.M., Sauer, R.A.: “An adaptive space-time phase field formulation for dynamic fracture of brittle shells based on LR NURBS”, Comput. Mech., 65:1039-1062, 2020, pdf
• 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", J. Comput. Phys., 407:109253, 2020, pdf
• Immel, K.,, Duong. T.X., Nguyen, V.-H., Haïat, G., Sauer, R.A.: “A modified Coulomb’s law for the tangential debonding of osseointegrated implants”, Biomech. Model. Mechanobiol., 19:1091-1108, 2020, pdf

2019

• Mokhalingam, A., Ghaffari, R., Sauer, R.A., Gupta S.: “Comparing quantum, molecular and continuum models for graphene at large deformations”, Carbon, 159:478-494, 2020, pdf
• Ghaffari, R., Shirazian, F., Hu, M., Sauer, R.A.: "A nonlinear hyperelasticity model for single layer blue phosphorus based on ab-initio calculations", Proc. R. Soc. A, 475:20190149, 2019, pdf
• Della Puppa, G., Sauer, R.A., Trautz, M.: “A unified representation of folded surfaces via Fourier series”, Nexus Netw. J., 21(3):491-526, 2019
• Sauer, R.A., Ghaffari, R., Gupta, A.: "The multiplicative deformation split for shells with application to growth, chemical swelling, thermoelasticity, viscoelasticity and elastoplasticity", Int. J. Solids Struc., 174-175:53-68, 2019, pdf
• Duong, T.X., Sauer, R.A.: "A concise frictional contact formulation based on surface potentials and isogeometric discretization", Comput. Mech., 64(4):951-970, 2019, pdf
• 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., 351:441-477, 2019, pdf
• 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., 350:480-510, 2019, pdf

2018

• Roohbakhshan, F., Sauer, R.A.: "A finite membrane element formulation for surfactants", Colloids and Surfaces A: Physicochem. Eng. Aspects, 566:84, 2019, pdf
• Kumar, P., Saxena, A., Sauer, R.A.: "Computational synthesis of large deformation compliant mechanisms undergoing self and mutual contact", J. Mech. Des., 141(1):012302, 2019, pdf
• Duong, T.X., De Lorenzis, L., Sauer, R.A.: "A segmentation-free isogeometric extended mortar contact method", Comput. Mech., 63:383, 2019, pdf
• Mergel, J.C., Sahli, R., Scheibert, J., Sauer, R.A.: "Continuum contact models for coupled adhesion and friction", J. Adhesion., 95(12):1101-1133, 2019, pdf
• Ghaffari, R., Sauer, R.A.: "A new efficient hyperelastic finite element model for graphene and its application to carbon nanotubes and nanocones", Finite Elem. Anal. Des., 146:42-61, 2018, pdf
• Ghaffari, R., Sauer, R.A.: "Modal analysis of graphene-based structures for large deformations, contact and material nonlinearities", J. Sound Vib., 423:161-179, 2018, pdf

2017

• Sauer, R.A., Luginsland, T.: "A monolithic fluid-structure interaction formulation for solid and liquid membranes including free-surface contact", Comput. Methods Appl. Mech. Engrg., 341:1-31, 2018, pdf
• Vu-Bac, N., Duong, T.X., Lahmer, T., Zhuang, X., Sauer, R.A., Park, H.S., Rabczuk, T.: "A NURBS- based inverse analysis for reconstruction of nonlinear deformations in thin shell structures", Comput. Methods. Appl. Mech. Engrg., 331:427-455, 2018, pdf
• Ghaffari, R., Duong, T.X., Sauer, R.A.: "A new shell formulation for graphene structures based on existing ab-initio data", Int. J. Solids Struc., 135:37-60, 2018, pdf
• Sahu, A., Sauer, R.A., Mandadapu, K.K.: "The irreversible thermodynamics of curved lipid membranes", Phys. Rev. E, 96:042409, 2017, pdf
• Luginsland, T., Sauer, R.A.: "A computational study of wetting on chemically contaminated substrates", Colloids and Surfaces A: Physicochem. Eng. Aspects, 531:81-92, 2017, pdf
• Zimmermann, C., Sauer, R.A.: "Adaptive local surface refinement based on LR NURBS and its application to contact", Comput. Mech., 60:1011-1031, 2017, pdf
• Roohbakhshan, F., Sauer, R.A.: "Efficient isogeometric thin shell formulations for soft biological materials", Biomech. Model. Mechanobiol., 16:1569-1597, 2017, pdf

2016

• Roohbakhshan, F., Sauer, R.A.: "Isogeometric nonlinear shell elements for thin laminated composites based on analytical thickness integration", J. Micromech. Mol. Phys. 1(3-4), pp. 1640010, 2016, pdf
• Sauer, R.A., Duong, T.X, Mandadapu, K.K., Steigmann, D.J.: "A stabilized finite element formulation for liquid shells and its application to lipid bilayers", J. Comput. Phys. 330, pp. 436-466, 2017, preprint
• Mergel, J.C., Sauer, R.A., Ober-Blöbaum, S.: "C1-continuous space-time discretization based on Hamilton’s law of varying action", ZAMM 97(4), pp. 433-457, 2017, preprint, pdf
• Sauer, R.A.: "A frictional sliding algorithm for liquid droplets", Comput. Mech. 58(6), pp. 937-956, 2016, pdf
• Harmel, M., Sauer, R.A., Bommes, D.: "Volumetric mesh generation from T-spline surface representations", Comput. Aid. Des. 82, pp. 13-28, 2017, pdf
• Duong, T.X., Roohbakhshan, F., Sauer, R.A.: "A new rotation-free isogeometric thin shell formulation and a corresponding continuity constraint for patch boundaries", Comput. Methods Appl. Mech. Engrg. 316, pp. 43-83, 2017, pdf (with minor corrections)
• Kumar, P., Sauer, R.A., Saxena, A.: "Synthesis of C0 path-generating contact-aided compliant mechanisms using the material mask overlay method", J. Mech. Design 138(6), 062301, 2016, pdf
• Rasool, R., Corbett, C.J., Sauer, R.A.: "A strategy to interface isogeometric analysis with Lagrangian finite elements - application to incompressible flow problems", Comp. Fluids 127, pp. 182-193, 2016, pdf

2015

• Sauer, R.A.: "A survey of computational models for adhesion", J. Adhesion 92(2), pp. 81-120, 2016, pdf
• Roohbakhshan, F., Duong, T.X., Sauer, R.A.: "A projection method to extract biological membrane models from 3D material models", J. Mech. Behav. Biomed. Mat. 58, pp. 90-104, 2016, pdf
• Sauer, R.A., Duong, T.X.: "On the theoretical foundations of thin solid and liquid shells", Math. Mech. Solids 22(3), pp. 343-371, 2017, pdf (with minor corrections)
• Schmidt, M.G., Ismail, A.E., Sauer, R.A.: "A continuum mechanical surrogate model for atomic beam structures", Int. J. Multiscale Comput. Engrg. 13(5), pp. 413–442, 2015, pdf

2014

• Corbett, C.J., Sauer, R.A.: "Three-dimensional isogeometrically enriched finite elements for frictional contact and mixed-mode debonding", Comput. Methods Appl. Mech. Engrg. 284, pp. 781-806, 2015, pdf
• Duong, T.X., Sauer, R.A.: "An accurate quadrature technique for the contact boundary in 3D finite element computations", Comput. Mech. 55(1), pp. 145-166, 2015, pdf
• Sauer, R.A., De Lorenzis, L.: "An unbiased computational contact formulation for 3D friction", Int. J. Numer. Meth. Engng. 101(4), pp. 251-280, 2015, pdf
• Osman, M., Sauer, R.A.: "A parametric study of the hydrophobicity of rough surfaces based on finite element computations", Colloids and Surfaces A 461, pp. 119-125, 2014, pdf
• Schmidt, M.G., Sauer, R.A., Ismail, A.E.: "Multiscale treatment of mechanical contact problems involving thin polymeric layers", Modell. Simul. Mater. Sci. Eng. 22, 045012, 2014, pdf
• Gautam, S.S., Sauer, R.A.: "A composite time integration scheme for dynamic adhesion and its application to gecko spatula peeling", Int. J. Comput. Methods 11(5), 1350104, 2014, pdf
• Sauer, R.A.: "Stabilized finite element formulations for liquid membranes and their application to droplet contact", Int. J. Numer. Meth. Fluids 75(7), pp. 519-545, 2014, pdf
• Sauer, R.A.: "A contact theory for surface tension driven systems", Math. Mech. Solids 21(3) pp. 305-325, 2016, pdf
• Mergel, J.C., Sauer, R.A.: "On the optimum shape of thin adhesive strips for various peeling directions", J. Adhesion 90(5-6), pp. 526-544, 2014, pdf
• Corbett, C.J., Sauer, R.A.: "NURBS-enriched contact finite elements", Comput. Methods Appl. Mech. Engrg. 275, pp. 55-75, 2014, pdf
• Mergel, J.C., Sauer, R.A., Saxena, A.: "Computational optimization of adhesive microstructures based on a nonlinear beam formulation", Struct. Multidisc. Optim. 50(6), pp. 1001-1017, 2014, pdf
• Sauer, R.A., Mergel, J.C.: "A geometrically exact finite beam element formulation for thin film adhesion and debonding", Finite Elem. Anal. Des. 86, pp. 120-135, 2014, pdf

2013

• Sauer, R.A., Duong, X.T, Corbett, C.J.: "A computational formulation for constrained solid and liquid membranes considering isogeometric finite elements", Comput. Methods Appl. Mech. Engrg. 271, pp. 48-68, 2014, preprint, pdf

2012

• Gautam, S.S., Sauer, R.A.: "An energy-momentum-conserving temporal discretization scheme for adhesive contact problems", Int. J. Numer. Meth. Engng. 93(10), pp. 1057-1081, 2013, pdf
• Sauer, R.A.: "Local finite element enrichment strategies for 2D contact computations and a corresponding post-processing scheme", Comput. Mech. 52(2), pp. 301-319, 2013, pdf
• Sauer, R.A., De Lorenzis, L.: "A computational contact formulation based on surface potentials", Comput. Methods Appl. Mech. Engrg. 253, pp. 369-395, 2013, pdf
• Saxena, A., Sauer, R.A.: "Combined gradient-stochastic optimization with negative circular masks for large deformation topologies", Int. J. Numer. Meth. Engng. 93(6), pp. 635-663, 2013, pdf
• Sauer, R.A.: "Advances in the computational modeling of the gecko adhesion mechanism", J. Adhes. Sci. Technol. 28(3-4), Special Issue on Bio-inspired Adhesion, pp. 240-255, 2014, pdf
• Sauer, R.A., Holl, M.: "A detailed 3D finite element analysis of the peeling behavior of a gecko spatula", Comp. Meth. Biomech. Biomed. Engrg. 16(6), pp. 577-591, 2013, pdf

2011

• Sauer, R.A.: "The peeling behavior of thin films with finite bending stiffness and the implications on gecko adhesion", J. Adhesion 87 (7-8), pp. 624-643, 2011, pdf
• Sauer, R.A.: "Enriched contact finite elements for stable peeling computations", Int. J. Numer. Meth. Engng. 87, pp. 593-616, 2011, pdf

2010

• Sauer, R.A.: "A computational model for nanoscale adhesion between deformable solids and its application to gecko adhesion", J. Adhes. Sci. Technol. 24, pp. 1807-1818, 2010, pdf

2009

• Sauer, R.A., Wriggers, P.: "Formulation and analysis of a 3D finite element implementation for adhesive contact at the nanoscale", Comput. Methods Appl. Mech. Engrg. 198, pp. 3871-3883, 2009, pdf
• Sauer, R.A.: "Multiscale modeling and simulation of the deformation and adhesion of a single gecko seta", Comp. Meth. Biomech. Biomed. Engng. 12(6), pp. 627-640, 2009, pdf

2008

• Sauer, R.A., Li, S.: "An atomistically enriched continuum model for nanoscale contact mechanics and its application to contact scaling", J. Nanosci. Nanotech. 8(7), pp. 3757-3773, 2008, pdf
• Sauer, R.A., Wang, G., Li, S.: "The composite Eshelby Tensors and their application to homogenization", Acta Mech. 197, pp. 63-96, 2008

2007

• Sauer, R.A., Li, S.: "An atomic interaction-based continuum model for adhesive contact mechanics", Finite Elem. Anal. Des. 43(5), pp. 384-396, 2007, pdf
• Sauer, R.A., Li, S.: "A contact mechanics model for quasi-continua", Int. J. Numer. Meth. Engrg. 71(8), pp. 931-962, 2007, pdf
• Li, S., Wang, G., Sauer, R.A.: "The Eshelby Tensors in a finite spherical domain: II. Applications in homogenization", J. Appl. Mech. 74(4), pp. 784-797, 2007
• Li, S., Sauer, R.A., Wang, G.: "The Eshelby Tensors in a finite spherical domain: I. Theoretical formulations", J. Appl. Mech. 74(4), pp. 770-783, 2007

2005

• Wang, G., Li, S., Sauer, R.: "A circular inclusion in a finite domain: II. The Neumann-Eshelby problem", Acta. Mech. 179(1-2) pp. 91-110, 2005
• Li, S., Sauer, R., Wang, G.: "A circular inclusion in a finite domain: I. The Dirichlet-Eshelby problem", Acta. Mech. 179(1-2) pp. 67-90, 2005

2021

• Immel, K., Nguyen, V.-H., Haiat, G., Sauer, R.A: "Long-term stability and debonding of cementless implants”, Proc. Appl. Math. Mech., 21:e202100118, 2021

2020

• Borzeszkowski, B., Duong, T.X., Sauer, R.A, Lubowiecka, I.: "Isogeometric Shell Analysis of the Human Abdominal Wall”, In: Gzik M., Paszenda Z., Pietka E., Tkacz E., Milewski K. (eds) Innovations in Biomedical Engineering. AAB 2020. Advances in Intelligent Systems and Computing, vol 1223. Springer, Cham, 2021, pdf
• Rajski, M., Harmel, M., Sauer, R.A: "On the boundary element method for Stokes flow in domains with discontinuous boundaries”, Proc. Appl. Math. Mech., 20:e202000309, 2020
• Savitha, E.J., Mandadapu, K.K., Sauer, R.A: "Finite element simulation of multi-component vesicle morphologies undergoing phase separation”, Proc. Appl. Math. Mech., 20:e202000276, 2020

2019

• Shirazian, F., Ghaffari, R., Hu, M., Sauer, R.A: "On the development of continuum material models for 2D materials from Density Functional Theory data”, Proc. Appl. Math. Mech., 19:e201900486, 2019
• Rajski, M., Harmel, M., Sauer, R.A: "A coupled isogeometric boundary element and finite element method for electro-mechanical interaction”, Proc. Appl. Math. Mech., 19:e201900457, 2019

2018

• Harmel, M., Rajski, M., Sauer, R.A: "Desingularization in boundary element analysis of three-dimensional Stokes flow”, Proc. Appl. Math. Mech., 18:e201800479, 2018, pdf
• Shirazian, F., Ghaffari, R., Hu, M., Sauer, R.A: "Hyperelastic material modeling of graphene based on density functional calculations”, Proc. Appl. Math. Mech., 18:e201800419, 2018
• Roohbakhshan, F., Sauer, R.A: "Simulation of angioplasty using isogeometric laminated composite shell elements”, Proc. Appl. Math. Mech., 18:e201800327, 2018, pdf

2017

• Rasool, R., Harmel, M., Sauer, R.A.: “A strategy to interface isogeometric analysis with Lagrangian finite elements – Application to fluid-structure interaction problems”, pdf
• Duong, T.X., De Lorenzis, L., Sauer, R.A.: “On the shape functions for the contact pressure in mortar methods”, In von Scheven, M., Keip, M.-A., Karajan, N. (Eds), Proceedings of the 7th GACM Colloquium on Computational Mechanics, pp. 130-133, 2017
• Roohbakhshan, F., Duong, T.X., Sauer, R.A.: "Isogeometric Kirchhoff-Love shells: Numerics, constitution and biomechanical applications”, in Pietraszkiewicz, W., Witkowski, W. (Eds.), Shell Structures: Theory and Applications Vol. 4, pp. 511-514, 2017
• Harmel, M., Sauer, R.A.: "Boundary element and finite element analysis for the efficient simulation of fluid-structure interaction and its application to mold filling processes”, Proc. Appl. Math. Mech., 17:513-514, 2017, pdf

2016

• Mergel, J.C., Sauer, R.A, Ober-Blöbaum, S.: "C1-continuous time discretization based on cubic Hermite interpolation”, Proc. Appl. Math. Mech., 16:753-754, 2016

2015

• Kumar, P., Sauer, R.A., Saxena, A.: "On synthesis of contact aided compliant mechanisms using the material mask overlay method", ASME Proceedings of the 39th Mechanisms and Robotics Conference, DETC2015-47064, 2015, pdf
• Raste, H., Saxena, A., Sauer, R.A., Corves, B.: "Bioinspired mechanism synthesis for flapping flight with unsteady flow effects", Mechanisms, Transmissions and Applications - Proceedings of the Third MeTrApp Conference 2015, pp. 251-260, 2015
• Sauer, R.A., Duong, T.X., Mandadapu, K.K., Steigmann. D.: "A computational formulation for liquid shells based on C1-continuous finite elements", Proc. PCM-CMM-2015, Kleiber et al. (Eds.), Vol. 2, pp. 949-950, 2015

2014

• Osman, M., Sauer, R.A.: "Quasi-static analysis of self-cleaning surface mechanisms", Proc. 22nd UK Conference on Computational Mechanics (ACME2014), pp. 324-327, 2014, pdf

2013

• Rasool, R., Osman, M., Sauer, R.A.: "Computational modeling of liquid droplets moving on rough surfaces", Proc. Appl. Math. Mech. 13, pp. 233-234, 2013

2012

• Rasool, R., Sauer, R.A., Osman, M.: "Internal flow analysis for slow moving small droplets in contact with hydrophobic surfaces", Proc. Appl. Math. Mech. 12, pp. 489-490, 2012

2011

• Osman, M., Sauer, R.A.: "A two-dimensional computational droplet contact model", Proc. Appl. Math. Mech. 11, pp. 103-104, 2011

2010

• Osman, M., Sauer, R.A.: "Mechanical modeling of particle-droplet interaction motivated by the study of self-cleaning mechanisms", Proc. Appl. Math. Mech. 10(1), pp. 85-86, 2010

2009

• Sauer, R.A.: "A computational contact model for nanoscale rubber adhesion", Constitutive Models for Rubber VI, G. Heinrich et al. (Eds.), pp. 47-52, 2009, pdf
• Sauer, R.A.: "A three-dimensional multiscale finite element model describing the adhesion of a gecko seta", Proc. Appl. Math. Mech. 9, pp. 157-158, 2009

2008

• Sauer, R.A.: "A finite element seta model for studying gecko adhesion", ASME Conf. Proc., IMECE2008-67193, pp. 149-150, 2008
• Sauer, R.A.: "An atomic interaction-based rod formulation for modeling gecko adhesion", Proc. Appl. Math. Mech. 8, pp. 10193-10194, 2008

2007

• Sauer, R.A., Li, S.: "An atomic interaction-based continuum model for computational multiscale contact mechanics", Proc. Appl. Math. Mech. 7, pp. 4080029-4080030, 2007

2006

• Sauer, R.A.: "An atomic interaction-based continuum model for computational multiscale contact mechanics", Dissertation, University of California at Berkeley, 2006

2003

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