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ETH Zürich Kochmann Research Group Kochmann Research Group

Conference presentations and invited talks

  1. Challenges in predicting microstructure evolution in metals from the atomic to the macroscopic scale, Johns-Hopkins University, HEMI Seminar, Baltimore, MD, February 10, 2017.

  2. Nonlinear and inelastic mechanical metamaterials, Baithak on 3D Printing for Novel Mechanical Properties, Pasadena, CA, January 10, 2017.

  3. Nonlocal continuum modeling of inelastic periodic truss networks, ASME IMECE 2016, Phoenix, AZ, November 14, 2016.

  4. Seamlessly bridging from atomistics to the continuum in metals mechanical and computational challenges, UC Irvine - Department of Mechanical and Aerospace Engineering Seminar, Irvine, CA, October 28, 2016.

  5. Computational strategies for the efficient modeling of complex, hierarchical truss networks, ICMR Workshop on Additive Manufacturing, Santa Barbara, CA, October 20, 2016.

  6. Nonlinear energy transport through instability: of snapping structures and switching crystals, ARO Workshop on the Future of Vibration Energy Transfer, Seattle, WA, October 18, 2016.

  7. Sharp vs. diffuse interface models for the kinetics of ferroelectric switching, 53rd Annual Technical Meeting - Society of Engineering Science (SES), Baltimore, MD, October 3, 2016.

  8. What snapping structures and ferroelectric switching have in common: Transition waves in periodic multi-stable mechanical systems, University of Illinois - Department of Mechanical Science and Engineering, Urbana-Champaign, IL, September 20, 2016.

  9. Transition waves in periodic multi-stable mechanical systems, 24th International Congress of Theoretical and Applied Mechanics (ICTAM), Montreal, Canada, August 21-26, 2016.

  10. Nonlinear transition waves in periodic multi-stable mechanical systems, EUROMECH Colloquium 580: Strongly Nonlinear Dynamics, Grenoble, France, July 11, 2016.

  11. Instability-driven nonlinear dynamics: from structural transitions to snapping structures, University of Minnesota - Warren Lecture (watch online), Minneapolis, MN, April 29, 2016.

  12. Seamlessly bridging from atomistics to the continuum in metals by a fully-nonlocal quasicontinuum technique: mechanical and computational challenges, Purdue University - Mechanical Engineering Seminar, West Lafayette, IN, April 22, 2016.

  13. Instability-driven nonlinear dynamics: from snapping structures to ferroelectric switching, University of Michigan - Mechanical Engineering Seminar, Ann Arbor, MI, April 19, 2016.

  14. Atomistic-to-continuum coupling techniques and the nonlocal quasicontinuum method, MFO Workshop on the Mechanics of Interfaces and Evolving Microstructure, Oberwolfach, Germany, March 17, 2016.

  15. Instability-induced nonlinear dynamics: from snapping structures to ferroelectric switching, University of Cambridge - Micromechanics Seminar, Cambridge, UK, January 29, 2016.

  16. Instability-induced nonlinear dynamics: from snapping structures to ferroelectric switching, Ecole Polytechnique - LMS Seminar, Palaiseau, France, January 26, 2016.

  17. On the electro-mechanically-coupled kinetics of microstructural evolution in ferroelectric ceramics, 15th GAMM-Seminar on Microstructures, Paris, France, January, 22 2016.

  18. Modeling the deformation mechanisms in polycrystalline magnesium, International Symposium on Plasticity, Keauhou Bay, Hawaii, January 4, 2016.

  19. From atomistics to the continuum: seamlessly bridging across scales by a fully-nonlocal quasicontinuum technique, ETH Zurich - MAVT Seminar, Zurich, Switzerland, December 16, 2015.

  20. From extreme materials to snapping structures: taking advantage of instability, University of Pennsylvania - AMCS/PICS Colloquium, Philadelphia, PA, November 20, 2015.

  21. Viscoelasticity of polycrystalline ferroelectric ceramics, ASME IMECE 2015, Houston, TX, November 16, 2015.

  22. Size effects in nanoscale metallic systems, 52nd Annual SES Technical Meeting, College Station, TX, October 29, 2015.

  23. Coarse-grained atomistics via meshless and mesh-based quasicontinuum techniques, IV International Conference on Particle-Based Methods (PARTICLES 2015), plenary lecture (watch online), Barcelona, Spain, September 29, 2015.

  24. Of atoms and the Eiffel Tower: from the architecture of materials to architected materials, Caltech Frosh Camp 2015, Ventura, CA, September 21, 2015.

  25. From Atomistics to Mesoscale Plasticity, XIII International Conference on Computational Plasticity (COMPLAS), plenary lecture (watch online), Barcelona, Spain, September 1, 2015.

  26. Fully non-local QC investigation of microstructural defects and free surfaces, 13th US National Congress on Computational Mechanics, San Diego, CA, July 27, 2015.

  27. Viscoelasticity of polycrystalline ferroelectric ceramics, 9th European Solid Mechanics Conference (keynote lecture), Madrid, Spain, July 6, 2015.

  28. Size effects in coarse-grained atomistics: physical and artificial ones, 15th Pan-American Congress of Applied Mechanics (PACAM), Urbana-Champaign, IL, May 19, 2015.

  29. From atomistics to the continuum: a fully-nonlocal quasicontinuum method to bridge across scales in metals, UC San Diego - Mechanics and Materials Engineering Seminar, La Jolla, CA, April 13, 2015.

  30. Texture evolution in magnesium and the role of twinning, MACH Conference, Annapolis, MD, April 8, 2015.

  31. About snapping structures and phase transformations, APS March Meeting - focus session on Snapping, Jumping, and Popping (invited talk), San Antonio, TX, March 2, 2015.

  32. Coarse-grained atomistics with free surfaces, EUROMECH Colloquium on Multi-scale computational methods for bridging scales in materials and structures, Eindhoven, The Netherlands, February 23, 2015.

  33. From extreme materials to snapping structures: taking advantage of instability, Georgia Tech - Aerospace Engineering Seminar, Atlanta, GA, 22 January 2015.

  34. Investigating dislocation interactions via coarse-grained atomistics, International Symposium on Plasticity and Fracture, Jamaica, January 4, 2015.

  35. Effective teaching of a quantitative course: from designing to teaching the class, Caltech Project for Effective Teaching (CPET) Seminar, Pasadena, CA, December 3, 2014.

  36. Nonlinear dynamics of structures containing bistable elements, ASME IMECE 2014, Montreal, Canada, November 17, 2014.

  37. Conquering the nano- and mesoscales in metals by coarse-grained atomistics, VirginiaTech - Biomedical Engineering and Mechanics (BEAM) Seminar, Blacksburg, VA, October 29, 2014.

  38. Rigorous bounds on the effective moduli of heterogeneous media with small-scale instabilities, 51st Annual SES Technical Meeting, Purdue University, West Lafayette, IN, October 3, 2014.

  39. Dynamic performance of linear and nonlinear elastic composite systems containing negative-stiffness constituents, 5th International Conference on Auxetics, Poznan, Poland, September 18, 2014.

  40. Avoiding spurious force artifacts in a fully-nonlocal energy-based quasicontinuum, PIRE Workshop: Atomistic and Multi-Scale Models of Materials, Warwick, England, September 15-17, 2014.

  41. The Quasicontinuum Method Revisited: Recent Advances and Open Challenges, IUTAM Symposium on innovative numerical approaches for materials and structures in multi-field and multi-scale problems, Burg Schnellenberg, Germany, September 1, 2014.

  42. A fully-nonlocal 3D quasicontinuum for the nano- to mesoscale, 7th European Mechanics of Materials Conference (EMMC), Gothenburg, Sweden, August 27, 2014.

  43. Summation rules for the quasicontinuum method, 11th World Congress on Computational Mechanics (WCCM), keynote lecture, Barcelona, Spain, July 24, 2014.

  44. When nano meets macro - conceptual and computational challenges of coarse-grained atomistics, (watch online), EU Regional School - Aachen Institute for Advanced Study in Computational Engineering Science (AICES), Aachen, Germany, June 24, 2014.

  45. Controlling the viscoelasticity of ferroelectrics: experiments and simulations, IUTAM Symposium on Thermomechanical-Electromagnetic Coupling in Solids, Paris, France, June 18, 2014.

  46. Taming force artifacts in coarse-grained atomistics to bridge the scales in nanoscale plasticity, IUTAM Symposium on Micromechanics of Defects in Solids, Seville, Spain, June 9, 2014.

  47. Predictive models for the mesoscale by extreme-scale coarse-grained atomistics, USACM/IUTAM Symposium on Connecting Multiscale Mechanics to Complex Material Design, Evanston, IL, May 16, 2014.

  48. Taking advantage of instability to design materials with beneficial or extreme properties, University of Illinois - Department of Civil and Environmental Engineering, Urbana-Champaign, IL, April 15, 2014.

  49. Everyone starts small - where metals learn to behave, Richard C. Biedebach - Ernest C. Watson Lecture, Caltech, Pasadena, February 12, 2014, view the full lecture online via itunes (see the item released 02/27/14).

  50. Understanding nano-scale plasticity by bridging from atomistics to the continuum, International Symposium on Plasticity, Freeport, Bahamas, January 6, 2014.

  51. Taking advantage of microscale instability to achieve beneficial macroscopic performance, University of Texas at Austin - Aerospace Engineering and Engineering Mechanics Seminar, Austin, TX, December 6, 2013.

  52. A continuum model for the plasticity-twinning interaction in magnesium , ASME IMECE 2013, San Diego, CA, November 19, 2013.

  53. Understanding the mechanics of nanoscale structural metamaterials , ASME IMECE 2013, San Diego, CA, November 18, 2013.

  54. Can negative-stiffness phases in composite materials lead to extreme effective mechanical properties?, University of Utah - Applied Mathematics Seminar, Salt Lake City, UT, November 8, 2013.

  55. Computational challenges of coarse-grained atomistics by the quasicontinuum method, SES Technical Meeting, Providence, RI, July 30, 2013.

  56. Tuning the mechanics of small-scale structural materials, U.S. National Congress on Computational Mechanics, Raleigh, NC, July 24, 2013.

  57. Making positive use of mechanical instability to achieve extreme viscoelastic performance of solids and structures, UCLA - Mechanics of Materials Seminar, Los Angeles, CA, June 5, 2013.

  58. Elastic stability theory of composites revisited: achieving superior composite performance through microscale mechanical instability?, Workshop on Multi-Scale Modeling and Characterization of Innovative Materials and Structures, Selected Lecture, Cetara, Italy, May 2, 2013.

  59. From massively-parallel atomistics to meshfree quasicontinuum: conquering the nano- and mesoscales in metals, University of Minneapolis - Aerospace Engineering and Mechanics Seminar, Boston, MA, April 12, 2013.

  60. Making positive use of mechanical instability in viscoelastic composite materials, Harvard University - Applied Mechanics Colloquium, Boston, MA, April 10, 2013.

  61. Making positive use of mechanical instability in viscoelastic composite materials, Massachussetts Institute of Technology - MMEC Seminar, Boston, MA, April 9, 2013.

  62. Making positive use of mechanical instability in viscoelastic composites, GAMM Annual Meeting 2013 (Richard von Mises Plenary Lecture), Novi Sad, Serbia, March 19, 2013.

  63. Towards the next generation of scale-bridging quasicontinuum techniques a challenge for mechanics or computational science?, GAMM Annual Meeting 2013 (Invited Young Researchers' Minisymposium Lecture), Novi Sad, Serbia, March 18, 2013.

  64. Recent advances in the quasicontinuum method for computational models bridging from atomistics to the continuum, applied to nanoscale crystal plasticity, Advances in Computational Mechanics 2013 (Tom Hughes' birthday conference), San Diego, California, February 25, 2013.

  65. Making positive use of mechanical instability: towards composites with extreme properties, UC San Diego - Mechanics and Materials Engineering Seminar, San Diego, California, February 11, 2013.

  66. Stability of tunable composite materials and structures containing negative-stiffness elements, Houston, Texas, November 12, 2012.

  67. A new quasicontinuum formulation based on local maximum-entropy interpolation, SES Technical Meeting 2012, Atlanta, Georgia, October 10, 2012.

  68. Dynamic stiffness and damping in viscoelastic structures and composites: stability of negative-stiffness based extreme behavior, SES Technical Meeting 2012, Atlanta, Georgia, October 10, 2012.

  69. Meshfree quasicontinuum a quasicontinuum formulation based on local maximum-entropy interpolation schemes, 6th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS), Vienna, Austria, September 11, 2012.

  70. (In)stability of extreme properties in composite materials and structures due to negative stiffness, 4th International Conference and 9th International Workshop on Auxetics and Related Systems, Bolton, United Kingdom, September 6, 2012.

  71. Making positive use of instability - ultra-high stiffness and damping composites and structures due to constrained mechanical instabilities, 23rd International Congress of Theoretical and Applied Mechanics, Beijing, China, August 23, 2012.

  72. Meshfree quasicontinuum a quasicontinuum formulation based on local maximum-entropy interpolation schemes, World Congress of Computational Mechanics, Sao Paulo, Brazil, July 9, 2012.

  73. A meshfree quasicontinuum formulation for scale-bridging material models based on interatomic potentials,83rd GAMM Annual Meeting, Darmstadt, Germany, March 27, 2012.

  74. Materials with tunable behavior due to constrained instabilities: performance and stability analysis, APS March Meeting, Boston, MA, February 29, 2012.

  75. Dislocation microstructures in crystal plasticity: size-effects and subgrain structures, International Symposium on Plasticity, Keynote Lecture, Puerto Rico, Januart 3, 2012.

  76. Mechanical instabilities for advanced composites, Laboratoire de Mecanique des Solides, Ecole Polytechnique, Invited Seminar, Palaiseau, France, December 15, 2011.

  77. Exploiting instability to design tunable composite materials with extreme properties, 48th Annual SES Technical Conference, Invited Lecture, Evanston, IL, October 12-14, 2011.

  78. Dynamic quasicontinuum models based on replica time integrators, 11th United States National Congress on Computational Mechanics, Minneapolis, MN, July 22-29, 2011.

  79. RepQC - Towards a quasicontinuum method for high-impact dynamics at finite temperature, 82nd GAMM Annual Meeting, Graz, Austria, April 18-21, 2011.

  80. Composites with negative-stiffness inclusions: recent advances in theory and experiment, Auxetics 2010 - Keynote Lecture, Malta/Gozo, July 18-23, 2010.

  81. Modeling and design of solids with microstructures, California Institute of Technology, Graduate Aerospace Laboratories, Invited Seminar, Pasadena, April 22, 2010.

  82. Microstructures in crystal plasticity - size effects, subgrain structures, laminate patterns, 81st GAMM Annual Meeting - Session Keynote Lecture, Karlsruhe, Germany, March 22-26, 2010.

  83. Relaxation-based modeling of laminate microstructures in finite-strain crystal plasticity,
    Oberwolfach Workshop on Microstructures in Solids: From Quantum Models to Continua, Invited Lecture, Oberwolfach, Germany, March 14-19, 2010.

  84. Aspects of modeling microstructures in crystal plasticity, Institute of Engineering Mechanics, Karlsruhe Institute of Technology, Germany, Invited Lecture, December 8, 2009.

  85. A relaxation-based incremental approach for modeling laminate microstructures in finite-strain plasticity, 3rd GACM Colloquium on Computational Mechanics, Hannover, Germany, September 21-23, 2009.

  86. Evolution of Laminate Microstructures in Finite-Strain Plasticity, First International Conference on Material Modeling, Dortmund, Germany, September 15-17, 2009.

  87. A continuum-dislocation theory for modeling dislocation microstructures and size effects in plasticity, European Solid Mechanics Conference, Lisbon, Portugal, September 7-11, 2009.

  88. A variational approach to laminate microstructures based on energy relaxation in finite-strain plasticity, 3. GAMM Seminar on Multiscale Material Modeling, Karlsruhe, Germany, June 26-27, 2009.

  89. Time-continuous evolution of laminate microstructures in finite plasticity, 80th GAMM Annual Meeting, Gdansk, Poland, February 13-17, 2009.

  90. Modeling the time-continuous evolution of microstructures in finite plasticity, 8th GAMM Seminar on Microstructures, Regensburg, Germany, January 16-17, 2009.

  91. A micro-mechanical model for origin and evolution of deformation twinning, IUTAM Symposium on Variational Concepts with Applications to the Mechanics of Materials, Bochum, Germany, 22-26 September, 2008.

  92. Time-continuous evolution of microstructures in finite plasticity, IUTAM Symposium on Variational Concepts with Applications to the Mechanics of Materials, Bochum, Germany, 22-26 September, 2008.

  93. Stability and bound-exceeding performance of composite materials having a negative-stiffness phase, Materials Science and Engineering Congress 2008, Nürnberg, Germany, 1-4 September 2008.

  94. Time-continuous evolution of microstructures in finite plasticity, FOR 797 Microplast -- 2nd Meeting, Leipzig, Germany, 22-23 May, 2008.

  95. Plastic deformation of bicrystals within continuum dislocation theory, 79th GAMM Annual Meeting, Bremen, Germany, 1-4 April, 2008.

  96. Continuum dislocation theory and size effect in crystal plasticity, 7th GAMM Seminar on Microstructures, Bochum, Germany, 24-25 January, 2008.

  97. Stability of elastic composite materials having a negative- stiffness phase, 78th GAMM Annual Meeting, Zürich, Switzerland, 16-20 July 2007.

  98. A simple model for dynamic recrystallization during severe plastic deformation, Symposium Subduction Dynamics - Bridging the Scales, Sprockhövel, Germany,
    29 May - 1 June 2007.

  99. Stability and performance of composite materials having a negative-stiffness phase, First Seminar on the Mechanics of Multifunctional Materials, Bad Honnef, Germany, 7-10 May 2007.


Organization of conferences and symposia

  1. Advances in Atomistic-to-Continuum Coupling Techniques, minisymposium organized jointly with E. Tadmor, R. Miller, J. Marian, D. Chen, US National Congress on Computational Mechanics, Montreal, Canada, 17-20 July 2017.

  2. Nonlinear Waves in Mechanical Metamaterials and Phononic Crystals, invited minisymposium organized jointly with V. Tournat, WAVES 2017, Minneapolis, MN, 15-19 May 2017.

  3. The Future of Vibration Energy Transfer in Solids and Structures: Needs and Opportunities, ARO workshop organized jointly with N. Boechler, J. Yang, R. Harne, Seattle, WA, 18-19 October 2016.

  4. Recent Advances in Computational Methods for Nanoscale Phenomena, USACM workshop organized jointly with V. Gavini, G. Wagner, J. Zimmerman, Ann Arbor, MI, 29-31 August 2016.

  5. Nanomaterials, joint minisymposium with Julia R. Greer, Seok-Wook Lee, 52nd Annual Technical Meeting - Society of Engineering Science (SES), Houston, TX, 26-28 October 2015.

  6. Three-dimensional additive construction for space using in-situ resources, Keck Institute for Space Studies (KISS) Workshop, jointly with A. Scott Howe (JPL) and Rob Mueller (NASA Kennedy Space Center), Caltech, August 24-28, 2015.

  7. Quasicontinuum and other atomistic-to-continuum coupling methods, joint minisymposium with J. Marian, E. Tadmor, and D. Chen, US National Congress on Computational Mechanics, San Diego, CA, 26-30 July 2015.

  8. Plasticity, joint minisymposium with K. Danas, PACAM XV, Urbana-Champaign, IL, 18-21 May 2015.

  9. Multiscale modeling of dislocations and defect interactions, joint minisymposium with Y. Xiang, International Conference on Plasticity, Damage & Fracture, Montego Bay, Jamaica, 3-8 January 2015.

  10. Mathematical theory and computational techniques for multiscale material modeling, joint minisymposium with J. Garcia-Cervera, X. Li, C. Linder, J. Lu, W. Ren, Y. Xiang, 7th International Conference on Multiscale Materials Modeling, Berkeley, California, 6-10 October 2014.

  11. Elasticity, plasticity and multiphysics of hierarchical materials: mechanisms to mechanics, joint minisymposium with S. Joshi, T. Rupert, 17th U.S. National Congress on Theoretical and Applied Mechanics, East Lansing, Michigan, 15-20 June 2014.

  12. Instabilities in solids across length scales, joint minisymposium with O. Lopez-Pamies, 11th World Congress on Computational Mechanics, Barcelona, Spain, 20-25 July 2014.

  13. Computational methods for materials with intrinsic microstructure, joint minisymposium with C. Linder, 12th U.S. National Congress on Computational Mechanics, Raleigh, North Carolina, 22-25 July 2013.

  14. Crystal plasticity across the scales, joint minisymposium with C. Reina Romo, 49th Annual Technical Meeting - Society of Engineering Science (SES), Atlanta, Georgia, 10-12 October 2012.

  15. Modeling and computation of inelastic microstructures, joint minisymposium with K. Hackl, B. Svendsen, 8th European Solid Mechanics Conference 2012, Graz, Austria, 9-13 July 2012.

  16. Multiscale modeling in crystalline solids: the art of bridging across scales, joint minisymposium with D. Hurtado, 10th World Congress of Computational Mechanics 2012, Sao Paolo, Brasil, 8-13 July 2012.

  17. Continuum dislocation theory and applications, joint minisymposium with K. C. Le, B. Svendsen,
    Plasticity 2012, Puerto Rico, 3-8 Jan 2012.

  18. Mathematics and mechanics of microstructure evolution in finite plasticity, joint Young Researchers' Minisymposium with D. Balzani, 80th Annual GAMM Meeting, Gdansk, Poland, 9-13 February 2012.


Conference plenary lectures

  1. On the electro-mechanically-coupled kinetics of microstructural evolution in ferroelectric ceramics, 15th GAMM-Seminar on Microstructures, keynote lecture, Paris, France, 22-23 January 2016.

  2. Coarse-grained atomistics via meshless and mesh-based quasicontinuum techniques, IV International Conference on Particle-Based Methods (PARTICLES 2015), plenary lecture (watch online), Barcelona, Spain, September 29, 2015.

  3. From Atomistics to Mesoscale Plasticity, XIII International Conference on Computational Plasticity (COMPLAS), plenary lecture (watch online), Barcelona, Spain, September 1, 2015.

  4. Making positive use of mechanical instability in viscoelastic composites, GAMM Annual Meeting 2013 (Richard von Mises Prize Lecture), Novi Sad, Serbia, March 19, 2013.


Upcoming presentations

  1. A survey of mechanical metamaterials: from strong trusses to phase-transforming structures (keynote lecture), Workshop on Programmable (Meta)Materials, Paris, France, June 2, 2017.

  2. From strong trusses to guided waves: computational challenges in truss metamaterials, DTU Mechanical Engineering Seminar, Kongens Lyngby, Denmark, June 29, 2017.

  3. Microstructure evolution in ferroelectrics by improved spectral methods for computational homogenization (keynote lecture), US National Congrees on Computational Mechanics (USNCCM), Montreal, Canada, July 17-20, 2017.

  4. Deformation patterning and microstructure evolution in polycrystalline magnesium, 54th Annual Technical Meeting - Society of Engineering Science (SES), Boston, MD, July 25-28, 2017.

  5. TBD (plenary lecture), 16th European Mechanics of Materials Conference (EMMC), Nantes, France, March 26-28, 2018.