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Micro- and Nano-Mechanics Lab:  Publications|College of Engineering and Applied Science

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Micro- and Nano-Mechanics Lab:   Publications & other dissemination products

Refereed Journal Publications

  1. A.N. Bucsek, F. Alisafaei, C.-S. Han, and N. Lakhera, 2014.  On thresholds in the indentation size effect of polymers. Submitted.
  2. N. Garg and C.-S. Han, 2014.  An axisymmetric finite element formulation for couple stress elasticity.  Submitted.
  3. F. Alisafaei, C.-S. Han, and N. Lakhera, 2014.  Characterization of indentation size effects in epoxy. Submitted.
  4. C.-S. Han, S.H.R. Sanei, and F. Alisafaei, 2014.  Origin of indentation size effects and depth dependent elastic moduli in polymers.  Submitted.
  5. F. Alisafaei, C.-S. Han, and S.H.R. Sanei, 2013.  On time and depth dependence of hardness, dissipation, and stiffness in the indentation of polydimethylsiloxane.  Polymer Testing, 32, 1220-1228.
  6. R.K. Shaha, J.R. Vogt, C.-S. Han, and M.E. Dillon, 2013.  A micro-CT approach for determination of insect respiratory volume.  Arthropod Structure & Development, 42 437-442.
  7. N. Garg and C.-S. Han, 2013.  A penalty finite element approach for couple stress elasticity.  Computational Mechanics, 52(3), 709-720.
  8. A.J. Wrucke, C.-S. Han, and P. Majumdar, 2013.  Indentation size effect of multiple orders of magnitude in polydimethylsiloxane.  Journal of Applied Polymer Science, 128, 258-264.
  9. M.-G. Lee and C.-S. Han, 2012.  Explicit finite element approach for strain gradient plasticity formulations. Computational Mechanics, 49, 171-183.
  10. C.-S. Han, 2011.  On the demographical changes of U.S. research doctorate awardees and corresponding trends in research fields.  Scientometrics, 89, 845-865.
  11. C.-S. Han, 2010.  Influence of the molecular structure on indentation size effect in polymers.  Materials Science and Engineering A, 527, 619-624. 
  12. C.-S. Han, S.K. Lee, and M. England, 2010.  Transition to postmodern science – related scientometric data.  Scientometrics, 84, 391-401.
  13. R.V.S. Tatiraju and C.-S. Han, 2010.  Rate dependent indentation size effects in filled silicone rubber.  Journal of Mechanics of Materials and Structures, 5, 277-288.
  14. R.V.S. Tatiraju, C.-S. Han, and S. Nikolov, 2008.  Size dependent hardness of polyamide/imide.  The Open Mechanics Journal, 2, 89-92.
  15. J.H. Kim, M.-G. Lee, and C.-S. Han, 2008.  Determination of wrinkling criteria for an incompressible polymer membrane by non-linear elastic finite element method. Polymer and Polymer Composites, 16, 225-232.
  16. C.-S. Han and S. Nikolov, 2007.  Indentation size effects of polymers and related rotation gradients.  Journal of Materials Research, 22, 1662-1672.
  17. C.-S. Han, Zhang, C., Wang, J., Kim, J., and Choi, S.-B., 2007.  Finite Element study on coating thickness dependent debonding forces of silicone rubber.  Journal of Adhesion, 83, 535-551.
  18. H. Wang, K.C. Hwang, Y. Huang, P.D. Wu, B. Liu, G. Ravichandran, C.-S. Han, and H. Gao, 2007.  A conventional theory of strain gradient crystal plasticity based on the Taylor dislocation model.   International Journal of Plasticity, 23, 1540-1554.
  19. S. Nikolov, C.-S. Han, and D. Raabe, 2007.  On the origin and modeling of size effects in small-strain elasticity of solid polymers.  International Journal of Solids and Structures, 44, 1582–1592. Corrigendum in International Journal of Solids and Structures, 44, 7713-7713, 2007.
  20. C.-S. Han, A. Ma, F. Roters, and D. Raabe, 2007.  A Finite Element approach with patch projection for strain gradient plasticity formulations.  International Journal of Plasticity, 23, 690-710.
  21. C.-S. Han, F. Roters, and D. Raabe, 2006.  On strain gradients and size-dependent hardening descriptions in crystal plasticity.  Metals and Materials International, 12, 407-411.
  22. C.-S. Han, A. Hartmaier, H. Gao, and Y. Huang, 2006.  Discrete dislocation dynamics simulations of surfaces induced size effects in plasticity. Materials Science and Engineering A, 415, 224-233.
  23. C.-S. Han, J.-H. Kim, K. Chung, and T.J. Kang, 2006.  Modeling the plastic deformation of crystals with thin precipitates. International Journal of Solids and Structures, 43, 2398-2421.
  24. Y. Choi, M.E. Walter, J.K. Lee, and C.-S. Han, 2006.  Experimental observation of plastic anisotropy evolution in sheet metals.  Journal of Mechanics of Materials and Structures, 1, 309-332.
  25. Y. Choi, C.-S. Han, J.K. Lee, and R.H. Wagoner, 2006.  Modeling multi-axial deformation of planar elasto-plastic materials, Part II: Applications.  International Journal of Plasticity, 20, 1765-1783.
  26. Y Choi, C.-S. Han, J.K. Lee, and R.H. Wagoner, 2006.  Modeling multi-axial deformation of planar elasto-plastic materials, Part I: Theory.  International Journal of Plasticity, 20, 1745-1764.
  27. H. Ryou, K. Chung, J.-W. Yoon, C.-S. Han, J.R. Youn, and T.J. Kang, 2005.  Incorporation of sheet forming effects in crash simulations using ideal forming theory and hybrid membrane/shell method.  Journal of Manufacturing Science and Engineering, ASME, 127, 182-192.
  28. C.-S. Han, H. Gao, Y. Huang, and W.D. Nix, 2005.  Mechanism-based strain gradient crystal plasticity: II. Analysis.  Journal of the Mechanics and Physics of Solids, 53, 1204-1222.
  29. C.-S. Han, H. Gao, Y. Huang, and W.D. Nix, 2005.  Mechanism-based strain gradient crystal plasticity: I. Theory.  Journal of the Mechanics and Physics of Solids, 53, 1188-1203.
  30. M.-G. Lee, C.-S. Han, K. Chung, J.R. Youn, 2005.  Influence of back stresses in parts forming on crashworthiness.  Journal of Materials Processing Technology, 168, 49-55.
  31. J.-H. Kim, C.-S. Han, K. Chung, and T.J. Kang, 2005.  Modeling the anisotropy of initial yield strength and hardening behavior of crystals with thin platelet precipitates.  Transactions of Materials Processing, 14, 496-501.
  32. C.-S. Han, R.H. Wagoner, and F. Barlat, 2004.  On precipitate induced hardening in crystal plasticity: Algorithms and simulations.  International Journal of Plasticity, 20, 1441-1461.
  33. C.-S. Han, R.H. Wagoner, and F. Barlat, 2004.  On precipitate induced hardening in crystal plasticity: Theory.  International Journal of Plasticity, 20, 477-494.
  34. C.-S. Han, M.-G. Lee, K. Chung, and R.H. Wagoner, 2003.  Integration algorithms for planar anisotropic shells with isotropic and kinematic hardening at finite strains.  Communications in Numerical Methods in Engineering, 19 (6), 473-490.
  35. C.-S. Han, K. Chung, R.H. Wagoner, and S.-I. Oh, 2003.  An anisotropic finite elasto-plastic formulation with a multiplicative decomposition of the deformation gradient.  International Journal of Plasticity, 19 (2), 197-211.
  36. C.-S. Han, Y. Choi, J.K. Lee, and R.H. Wagoner, 2002.  A FE formulation for elasto-plastic materials with planar anisotropic yield functions and plastic spin.  International Journal of Solids and Structures, 39, 5123-5141.
  37. C.-S. Han and P. Wriggers, 2002.  On the error indication of shells in frictionless unilateral contact.  Computational Mechanics, 28 (2), 169-176.
  38. S.-H. Lee, C.-S. Han, S.-I. Oh, and P. Wriggers, 2001.  Comparative crash computations incorporating the results of sheet forming analyses.  Engineering Computations, 18 (5/6), 744-758.
  39. C.-S. Han and P. Wriggers, 2000.  On h-Adaptive FE-Strategies for Shell Problems in Finite Elasto-Plasticity.  International Journal of Forming Processes, 3(3-4), 235-251. 
  40. C.-S. Han and P. Wriggers, 2000.  An h-adaptive method for elasto-plastic shell problems.  Computer Methods in Applied Mechanics and Engineering, 189, 651-671. 
  41. C.-S. Han and P. Wriggers, 1998.  A simple local a posteriori bending indicator for axisymmetric membrane and bending elements.  Engineering Computations, 15(7), 977-988. 
  42. A. Haraldsson, C.-S. Han, P. Wriggers, and H. Tschöpe, 1997.  Shape optimization of a lubricated journal bearing with regard to the distribution of pressure in the fluid.  Engineering Optimization, 29, 259-275.


Chapters in Books

  1. C.-S. Han 2011.  Indentation size effect in polymers.  Invited book chapter, Advances in Materials Science Research (ISBN: 978-1-61324-511-8).  Volume 10, editor: Maryann C. Wythers, Chapter 15, pp. 393-413, Nova Science Publishers.


Conference Proceedings (mostly peer reviewed)

  1. F. Alisafaei, S.H.R. Sanei, E.J. Smith, and C.-S. Han, 2013.  On the time dependence of size effects in polydimethylsiloxane.  Proceedings of the ASME 2013 International Mechanical Engineering Congress & Exposition (IMECE2013), November 15-21, 2013, San Diego, California.
  2. S.H.R. Sanei, F. Alisafaei, and C.-S. Han, 2013.  Indenter Tip Dependence in the Determination of Elastic Modulus in Polymers.  Proceedings of the ASME 2013 International Mechanical Engineering Congress & Exposition (IMECE2013), November 15-21, 2013, San Diego, California.
  3. F. Alisafaei, S.H.R. Sanei, C.-S. Han, 2012.  Length Scale Dependent Deformation in Polymers.  Proceedings of the ASME 2012 International Mechanical Engineering Congress & Exposition (IMECE2012), November 9-15, 2012, Houston, Texas.
  4. C.-S. Han, A.J. Wrucke, and P. Majumdar, 2011.  Indentation depth dependent hardness in polydimethylsiloxane.  Proceedings of the International Mechanical Engineering Congress & Exposition, IMECE2011, volume 1, pp. 781-783, November 11-17, 2011, Denver, Colorado.
  5. C.-S. Han, A.J. Wrucke, P. Majumdar, 2011.  Influence of the Molecular Structure on the Indentation Size Effects in Polydimethylsiloxane.  Proceedings of National Science Foundation's CMMI Research and Innovation Conference, Jan. 4-7, 2011, Atlanta, Georgia.
  6. C.-S. Han and M.-G. Lee, 2010.  Patch projection based explicit finite element approach for strain gradient plasticity formulations.  Proceedings of the 10th International Conference on Numerical Methods in Industrial Forming Processes, NUMIFORM 2010, Pohang, Republic of Korea, June 13-17, 2010.
  7. C.-S. Han and S. Nikolov, 2007. Frank energy and size dependent deformation in polymers.  International Symposium on Plasticity and its Current Applications (invited keynote lecture), Girdwood, Alaska, June 2-6, 2007, 118-120.
  8. C.-S. Han, H. Gao, Y. Huang, and W.D. Nix, 2004.  Mechanism-based strain gradient crystal plasticity.  IUTAM (International Union of Theoretical and Applied Mechanics) Symposium on Size Effects on Material and Structural Behavior at Micron- and Nanometer-Scales, May 30-June 4, Hong-Kong, China.
  9. C.-S. Han, Y. Choi, R.H. Wagoner, and Lee, J.-K., 2002.  Modeling of anisotropic work hardening.  Proc. of the 5th Int. Conf. on Numerical Simulations of 3D Sheet Forming Processes (NUMISHEET), Oct. 21-25, 2002, Jeju, Korea, 103-108.
  10. Y. Choi, C.-S. Han, J.K. Lee, and R.H. Wagoner, 2002.  Effects of anisotropic axes rotation on springback.  Proc. of NUMISHEET, Oct. 21-25, 2002, Jeju, Korea, pp. 325-330.
  11. M.-G. Lee, C.-S. Han, K. Chung, and R.H. Wagoner, 2002.  Numerical integration for planar anisotropic shells with isotropic and kinematic hardening.  Proc. of NUMISHEET 2002, 109-114.
  12. J.-J. Kang, J.-P. Hong, C.-S. Han, and S.-I. Oh, 2002.  Applications of an implicit FE-procedure in sheet metal forming analysis.  Proc. of NUMISHEET 2002, 525-530.
  13. P. Wriggers, C.-S. Han, and A. Rieger, 2000.  H-Adaptive FE-Methods for Contact Problems.  In J. Whiteman (ed.), Proceedings of MAFELAP 99, Brunel, UK, Elsevier, 117-141.
  14. C.-S. Han and P. Wriggers, 1999.  Towards h-adaptive FE-procedures for shell problems in finite elasto-plasticity.  Proceedings of the KSTP conference, Hongik University, Oct. 15, 1999, Seoul, South Korea, 53-62.


Conference Presentations Without Proceedings & Invited Lectures

  1. G. Chandrashekar, F. Alisafaei, and C.-S. Han, 2014 (tentative).  Investigation of indentation size effects in elastomers.  Gordon Research Conference on Polymer Physics - New Developments in Polymer Dynamics, Crystallization, Self-Assembly, and Interface/Confinement Effects, South Hadley, Massachusetts, July 13-18, 2014.
  2. F. Alisafaei, N. Garg, and C.-S. Han, 2014.  Origin of length scale dependent deformation in polymers.  17th U.S. National Congress on Theoretical & Applied Mechanics, East Lansing, Michigan, June 15-20, 2014.
  3. N. Garg, F. Alisafaei, and C.-S. Han, 2014.  Length Scale Effects in Polymers Modeled by a Couple Stress Theory – Comparison of Simulations with Experiments.  17th U.S. National Congress on Theoretical & Applied Mechanics, East Lansing, Michigan, June 15-20, 2014.
  4. N. Garg and C.-S. Han, 2013.  Length Scale Dependent Deformation in Polymers - Comparison of Simulations with Experiments.  Presentation at the 12th US National Congress on Computational Mechanics, Raleigh, North Carolina, July 22-25, 2013.
  5. C.-S. Han, 2013.  Indentation Size Effects in Polymers.  Invited lecture, Department of Mechanical Engineering, Colorado State University, Fort Collins, Colorado, March 29, 2013.
  6. N. Garg and C.-S. Han, 2011.  A mixed finite element approach for micro-polar elasticity.  11th U.S. National Congress on Computational Mechanics, Minneapolis and St. Paul, MN, July 25-29, 2011.
  7. C.-S. Han, 2011.  Why aren't there any Einstein's anymore? Or has anything changed in science and research in the last century?  Invited presentation at the Seoul National University, August 10, 2011, Seoul, Korea.
  8. C.-S. Han and M.-G. Lee, 2011.  Numerical study on the interfacial stresses of coated sheet metal in different loading situations.  8th Int. Conf. on Numerical Simulations of 3D Sheet Forming Processes (NUMISHEET), August 21-26, 2011, Seoul, Korea.
  9. C.-S. Han (invited speaker), 2010.  Size dependent deformation in polymers - experiments and theory.  TMS Annual Meeting, Seattle, Washington, February 14-18, 2010.
  10. C.-S. Han, A. Ma, N. Dewobroto, and F. Roters, 2005.  Modeling size effects of TiAl.  2nd IMPRESS (Intermetallic Materials Processing in Relation to Earth and Space Solidification) Project Meeting, Stockholm, June 13-14, 2005.
  11. C.-S. Han, H. Gao, Y. Huang, and W.D. Nix, 2004.  Mechanism-based strain gradient crystal plasticity.  MRS (Materials Research Society) Spring Meeting, April 12-16, San Francisco, USA.
  12. C.-S. Han, 2003.  On hardening descriptions in crystal plasticity.  Invited presentation, University of Hannover, Institut für Baumechanik und Numerische Mechanik, Hannover, Germany.
  13. C.-S. Han, 2002.  On constitutive rotations in finite plasticity.  Invited presentation, Los Alamos National Laboratory, Los Alamos, New Mexico, USA.
  14. C.-S. Han and R.H. Wagoner, 2002.  On the precipitate induced hardening in crystal plasticity.  14th U.S. National Congress of Theoretical and Applied Mechanics, June 23-28, Blacksburg, Virginia, USA.
  15. C.-S. Han, Y. Choi, R.H. Wagoner, and J.K. Lee, 2002.  Effects of rotational hardening on sheet forming processes.  NADDRG (North American Deep Drawing Research Group) Spring Meeting, April 24/25, University of Oakland, Michigan, USA.
  16. P. Wriggers and C.-S. Han, 1998.  H-adaptive simulation of inelastic shell structures.  Poster presentation, Fourth World Congress on Computational Mechanics, June 29 - July 2, Buenos Aires, Argentina.
  17. A. Haraldsson, C.-S. Han, H. Tschöpe, and P. Wriggers, 1996.  Shape optimization of a lubricated journal bearing with regard to the distribution of pressure in the fluid.  Euromech Colloquium 345: The Future of Structural Optimization, April 1-3, University of Liverpool, UK.


Reports & Theses

  1. C.-S. Han, and R.H. Wagoner, 2002.  NUMISHEET 2002 Benchmark report, Oct. 21-25, Cheju, South Korea.
  2. J. Wang, C.-S. Han, and R.H. Wagoner, 2001.  ESAFORM 2001 Benchmark report, April 23-25, University of Liege - Belgium.
  3. P. Wriggers and C.-S. Han, 1999.  Final Report of Sub-Project A6: Adaptive procedures for the simulation of crack evolution in inelastic shell structures (in German).  SFB 298 - Deformation and failure of metallic and granular structures, Darmstadt University of Technology.
  4. C.-S. Han, 1999.  An h-adaptive Finite Element Method for elasto-plastic shell problems in unilateral contact (in German).  Dissertation, Institute for Mechanics and Computational Mechanics, University of Hanover, Germany.
  5. P. Wriggers and C.-S. Han, 1996.  Intermediate Report of Sub-Project A6: Adaptive procedures for the simulation of crack evolution in inelastic shell structures (in German).  SFB 298 - Deformation and failure of metallic and granular structures, Darmstadt University of Technology.
  6. C.-S. Han, 1994.  Shape optimization with Finite Elements via analytical sensitivity analysis (in German).  Diplom-Ingenieur thesis, Department of Applied Mechanics, Darmstadt University of Technology, Germany.h-adaptive FE-procedures for shell problems in finite elasto-plasticity.  Proceedings of the KSTP conference, Hongik University, Oct. 15, 1999, Seoul, South Korea, 53-62.


 

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