Presentations

Invited Lectures

  1. A physically-based constitutive law for granular materials in shear for multiscale dynamic fracture simulations. United States National Congress on Computational Mechanics Raleigh, NC 2013.
  2. On the physical origin of some constitutive laws in biology and geophysics Mechanical Science and Engineering seminar series UIUC, Urbana 2013.
  3. A multi-scale model for fault zone evolution: From grain fragmentation to secondary faults branching. Geology Department seminar series UIUC, Urbana 2014.
  4. A multi-scale model for shear flow in granular medium with breakable particles Harvard Applied Mechanics Seminar Harvard-Cambridge MA 2014.
  5. Non equilibrium thermodynamics of fault gouge: Effect of grain contact processes Construction Materials Group Seminar UIUC-Urbana 2015.
  6. Bone: Some mechanics and Inspiration Bio-Interest Group – Mechanical Science and Engineering UIUC-Urbana 2015.
  7. On the Self-healing rupture mode and some investigations on fault zone inelasticity. Mechanics, Materials and Computation group – Civil Engineering Carnegie Melon University 2016 (Jan).
  8. The different signatures of pulse like ruptures propagating on strong velocity weakening frictional interfaces. Geology Department seminar University of Missouri (Columbia) 2016 (Feb).
  9. On some bone-Inspired material design ideas: The sacrificial bond mechanism for enhancing toughness and heterogeneity patterning for novel functionality. Mechanics of Materials group seminar Drexel University 2016 (Feb).
  10. On some problems in amorphous plasticity of granular media Materials Interest Group – Mechanical Science and Engineering UIUC-Urbana 2016 (March)
  11. Bone: Some Mechanics and Inspiration Mechanical Engineering Department University of California Santa Barbara 2016(April).
  12. To order or To disorder: Examples from bio-inspired architectured composites Hopkins Extreme Mechanics Institute Johns Hopkins University 2016(April).
  13. Crack Propagation in Bone: the Role of Sacrificial Bonds. SIAM Conference on Mathematical Aspects of Materials Science Pennsylvania 2016(May).
  14. Compaction, Dilation, and Strain localization in a model of sheared granular materials with an eye for elastodynamics. Warren Lecture Series, Department of Civil, Environmental, and Geo-Engineering University of Minnesota 2016.(September) https://www.youtube.com/watch?v=k938B3z80tI
  15. Bone: Some Mechanics and Inspiration. MMAE Seminar Series Illinois Institute of Technology, Chicago 2016 (November) .
  16. Shear and Vibrations in confined gouge – Implications of acoustic vibrations on localization, triggering and slow slip. Workshop on slow slip in crustal faults Kyushu University, Japan 2017 (February).
  17. Towards Dynamic Rupture Simulations with high resolution fault zone physics Earth Science Seminar Kyoto University, Japan 2017 (February).
  18. Extreme Mechanics on the Surface of Our Planet. Smith Lecture University of Michigan 2017 (October).
  19. Towards Dynamic Rupture Simulations with high resolution fault zone physics. Geophysics Department Seminar. Stanford University. 2018 (Nov).
  20. Breaking Badly: Chasing Fractures from Tectonic to Tabletop Scales. Department of Civil Engineering. Northwestern University. 2019 (Jan)
  21. Breaking Badly: Chasing Fractures from Tectonic to Tabletop Scales. Mechanical and Civil Engineering. Caltech. 2019 (March).
  22. Peeling, Pulling, and Cracking: Probing the Toughness Landscape in Polymeric Materials. Department of Engineering Physics. University of Wisconsin Madison. 2019 (Feb)
  23. A quasi-continuum approach for modeling fracture in networked materials. American Physics Society March Meeting Invited Symposium on Fracture of Disordered Materials. Boston. 2019 (March)
  24. Topology, Geometry, and Fracture in Networked Materials: A tale of Scales. CISM Seminar. University of Pennsylvania. Philadelphia. 2019 (April)
  25. Modeling Sequence of Seismic and Aseismic Slip in Complex Fault Zones. Invited Talk in Workshop on Mechanics and Geophysics. University of California at San Diego. 2019 (June)
  26. A quasi-continuum approach for modeling fracture in networked materials: Application to Polymers. United States National Congress on Computational Mechanics. Austin, TX. 2019 (July)
  27. An Asynchronous Spacetime Discontinuous Galerkin Approach for Modeling Earthquake Ruptures with High Resolution Fault Zone Physics. United States National Congress on Computational Mechanics. Austin, TX. 2019 (July)
  28. Modeling Earthquakes with High Resolution Fault Zone Physics: From Single Ruptures to Sequences. Los Alamos National Laboratory Theoretical Division Group Seminar. Los Alamos. 2019 (Aug)
  29. A quasi-continuum approach for modeling fracture in networked materials : Applications to Rubber-like materials. Los Alamos National Laboratory Theoretical Division Group Seminar. Los Alamos. 2019 (Aug)
  30. Modeling Complex Fault Zones with High Resolution Physics: From Single Ruptures to Earthquake Cycles. Workshop on Slow Earthquakes. Sendai, Japan. 2019 (Sep)
  31. Quasi-Continuum Analysis of Networked Materials: Applications to Polymers. Roundtable Talk, Society of Natural Philosophy Annual Meeting, Chicago, 2019 (Sep)
  32. Modeling Multiscale Dynamics of Complex Fault Zones using a Hybrid Finite Element-Spectral Boundary Integral Approach. Society of Engineering Sciences Annual Meeting. Saint Louis, MO. 2019 (Oct)
  33. Modelling Fracture in Networked Materials: A Quasi-Continuum Approach. Society of Engineering Sciences Annual Meeting. Saint Louis, MO. 2019 (Oct)
  34. Modeling Earthquake Ruptures with High Resolution Fault Zone Physics. Department of Civil Engineering. University of Illinois at Chicago. 2019 (Nov).

Unpublished Presentations

  1. Fault zone evolution: From grain fragmentation to secondary fault branching. American
    Geophysics Union Fall meeting. San Francisco Dec. 2013.
  2. Sacrificial bonds and hidden length in biomaterials — a kinetic, constitutive description of
    strength and toughness in bone. Society of Engineering Sciences 50th Annual Meeting.
    Providence. July 2013
  3. Crack propagation in bone at the scale of mineralized collagen fibrils: Implications for
    bone toughness. Society of Engineering Sciences 50th Annual Meeting. Providence.
    July 2013
  4. A model of sheared gouge layer with thermally varying material properties. Society of
    Engineering Sciences Meeting 50th Annual Meeting. Providence. July 2013
  5. Potential within: topology optimization of the spine. Society of Engineering Sciences 51st
    Annual Meeting. Purdue. October 2014
  6. Crack propagation in bone on the scale of mineralized collagen fibrils: role of polymers
    with sacrificial bonds and hidden length. Society of Engineering Sciences 51st Annual
    Meeting. Purdue. October 2014
  7. Scaling laws for stress and energy for an interface with strong rate weakening friction.
    Society of Engineering Sciences 51st Annual Meeting. Purdue. October 2014
  8. Earthquake nucleation and propagation on rate and state faults: single versus two state
    variables formulation and evolution by Kato–Tullis law. Society of Engineering Sciences
    51st Annual Meeting. Purdue. October 2014
  9. Towards a unified framework for modeling fault zone evolution: From particles
    comminution to secondary faults branching. Society of Engineering Sciences 51st
    Annual Meeting. Purdue. October 2014
  10. Sheared granular layers: Competition between flash heating and particle comminution.
    Society of Engineering Sciences 51st Annual Meeting. Purdue. October 2014
  11. Linear and Nonlinear dynamic response of a liquid solid composite. Society of
    Engineering Sciences 53rd Annual Meeting. University of Maryland. October 2016
  12. Brittle to ductile transition in a model of amorphous materials. Society of Engineering
    Sciences 53rd Annual Meeting. University of Maryland. October 2016
  13. A new hybrid numerical scheme for accurate near field truncation of waves in
    elastodynamic simulations. Society of Engineering Sciences 53rd Annual Meeting.
    University of Maryland. October 2016
  14. Modulating elastic band gap structure in layered soft composites using sacrificial
    interfaces. Society of Engineering Sciences 53rd Annual Meeting. University of
    Maryland. October 2016
  15. Mechanics of polymer networks with sacrificial bonds and hidden length. Society of
    Engineering Sciences 53rd Annual Meeting. University of Maryland. October 2016
  16. How We Learned to Stop Worrying and to Start Loving Dynamic Rupture Nonlinearities.
    Society of Engineering Sciences 54th Annual Meeting. Northeastern University. October
    2017
  17. Frictional Metamaterials. Society of Engineering Sciences 54th Annual Meeting.
    Northeastern University. October 2017
  18. The Complex Optimum of Trabecular Bone Structure. United States National Congress
    of Computational Mechanics. San Diego. July 2015
  19. Spacetime Simulation of Seismic Response. United States National Congress of
    Computational Mechanics. San Diego. July 2015
  20. Non-Equilibrium Thermodynamics of Fault Gouge: Effect of Grain Contact Processes.
    United States National Congress of Computational Mechanics. San Diego. July 2015
  21. A New Hybrid Numerical Scheme For Simulating Fault Ruptures With Near Fault Bulk
    Inhomogeneities. United States National Congress of Computational Mechanics.
    Montreal. July 2017
  22. Towards a Unified Framework for Modeling Fault Zone Evolution: From Particles
    Comminution to Secondary Faults Branching. United States National Congress of
    Theoretical and Applied Mechanics. Michigan State University. June 2014
  23. Ruga Mechanics of Composite Media with Soft Inclusions. United States National
    Congress of Theoretical and Applied Mechanics. Northwestern University. July 2018
  24. On the Duality of Complex Geometry and Material Heterogeneity in Elastodynamics:
    From Topographic Reliefs to Mechanical Metamaterials. United States National
    Congress of Theoretical and Applied Mechanics. Northwestern University. July 2018
  25. Emergent Wave Phenomena in Coupled Elastic Bars: from Extreme Attenuation to
    Realization of Elastodynamic Switches. United States National Congress of Theoretical
    and Applied Mechanics. Northwestern University. July 2018
  26. Influence of Stability on Trabecular Bone Structure. United States National Congress of
    Theoretical and Applied Mechanics. Northwestern University. July 2018
  27. Quasi-Continuum Analysis of Networked Materials. United States National Congress of
    Theoretical and Applied Mechanics. Northwestern University. July 2018
  28. A New Hybrid Numerical Scheme for Modeling Elastodynamics In Unbounded Media
    with Near-Source Heterogeneities. United States National Congress of Theoretical and
    Applied Mechanics. Northwestern University. July 2018
  29. Localization and Instability in Sheared Granular Materials: Role of Pore Fluids and Nonmonotonic Rate Dependent Rheology. United States National Congress of Theoretical
    and Applied Mechanics. Northwestern University. July 2018
  30. Modeling Of Spontaneous Multiscale Roughening And Branching of Ruptures
    Propagating On A Slip-Weakening Frictional Fault. American Geophysics Union Fall
    Meeting. San Francisco. 2013
  31. Intersonic and Supersonic ruptures in a model of dynamic rupture in a layered medium.
    American Geophysics Union Fall Meeting. San Francisco. 2014
  32. A Multiscale Model of Shear flow of Granular Materials with Breakable Particles: Role of
    Force Chain Instabilities and Implications for Strain Localization and Stability of Sliding.
    American Geophysics Union Fall Meeting. San Francisco. 2014
  33. A New Paradigm For Modeling Fault Zone Inelasticity: A Multiscale Continuum
    Framework Incorporating Spontaneous Localization and Grain Fragmentation. American
    Geophysics Union Fall Meeting. San Francisco. 2015
  34. Brittle to ductile transition in a model of sheared granular materials. American
    Geophysics Union Fall Meeting. San Francisco. 2016
  35. A new hybrid numerical scheme for simulating fault ruptures with near fault bulk
    inhomogeneities. American Geophysics Union Fall Meeting. New Orleans. 2017
  36. Localization and Instability in Sheared Granular Materials: Role of Pore Fluids and Nonmonotonic Rate. American Geophysics Union Fall Meeting. New Orleans. 2017
  37. The Community Code Verification Exercise for Simulating Sequences of Earthquakes
    and Aseismic Slip (SEAS): Initial Benchmarks and Future Directions. American
    Geophysics Union Fall Meeting. New Orleans. 2017
  38. Modeling Dynamic Ruptures with High Resolution Fault Zone Physics. American
    Geophysics Union Fall Meeting. Washington DC. 2018
  39. Dynamics of Self-Healing Slip Pulses on Strong Velocity-Weakening Frictional
    Interfaces: Formation, Steady Propagation, and Interaction with Stress Heterogeneity.
    American Geophysics Union Fall Meeting. Washington DC. 2018
  40. A model for flash heating in sheared fault gouge. American Physics Society March
    Meeting. 2015
  41. Topology optimization of trabecular bone in the human spine. American Physics Society
    March Meeting. 2015
  42. Multiobjective topology optimization of trabecular Bone Structure in the spine and the
    femur: Implications for bio-mimicry. American Physics Society March Meeting. 2016
  43. Tension-induced tunable corrugation in bio-inspired two-phase soft composite materials:
    mechanisms and implications. American Physics Society March Meeting. 2016
  44. Quasi-Continuum Analysis of Networked Materials. American Physics Society March
    Meeting. 2018
  45. A quasi-cotinuum appoach for modeling fracture in disordered networked materials: Can
    small world architectures save the day? American Physics Society March Meeting. 2019
  46. Quasi-continuum analysis of networked materials. Pan American Conference on Applied
    Mechanics. Ann Arbor, Michigan. 2019
  47. Dynamics of One dimensional elastic bars on patio-temporally modulated elastic
    substrates. AmeriMech Meeting – USNCTAM special conference on non-reciprocal
    metamaterials. University of Missouri. Columbia. 2019
  48. Modeling Dynamic Ruptures with High Resolution Fault Zone Physics. Engineering
    Mechanics Institute Meeting. Pasadena, CA. 2019
  49. A New Hybrid Numerical Scheme for Modeling Earthquake Cycles. Engineering
    Mechanics Institute. Pasadena, CA, 2019
  50. Dynamics of Metamaterial Structure Composed of Periodically Coupled Elastic Beams.
    Engineering Mechanics Institute. Pasadena, CA. 2019.
  51. Adhesion asymmetry in peeling of thin films with patterned thickness. Society of
    Engineering Sciences Annual Meeting. Saint Louis, Missouri 2019
  52. Extreme enhancement of interfacial adhesion by bulk patterning of sacrificial cuts.
    Society of Engineering Sciences Annual Meeting. Saint Louis, Missouri 2019.
  53. A Novel Hybrid Numerical Finite Element-Spectral Boundary Integral Scheme For
    Modeling Earthquake Cycles. Society of Engineering Sciences Annual Meeting. Saint
    Louis, Missouri 2019.
  54. Damping, Instability, and Non-reciprocity in Elastodynamics of Rods on Modulated
    Elastic Substrates. Society of Engineering Sciences Annual Meeting. Saint Louis,
    Missouri 2019.
  55. Dynamics of metamaterial beams consisting of periodically-coupled parallel flexural
    elements. Society of Engineering Sciences Annual Meeting. Saint Louis, Missouri 2019.
  56. An adaptive quasi-continuum approach for modelling fracture in polymer networks.
    Society of Engineering Sciences Annual Meeting. Saint Louis, Missouri 2019.
  57. Dynamic Rupture Propagation on Fault Planes with Explicit Representation of Short
    Branches: Stress Heterogeneity, High Frequency Generation, and Novel Supershear
    Transition Mechanism. Southern California Earthquake Center Annual Meeting. Palm
    Springs. Sep 2019
  58. Modeling sequence of earthquakes and aseismic slip (SEAS) in low-velocity faults zones
    using a computationally efficient numerical algorithm. Southern California Earthquake
    Center Annual Meeting. Palm Springs. Sep 2019
  59. The Community Code Verification Exercise for Simulating Sequences of Earthquakes
    and Aseismic Slip (SEAS). Southern California Earthquake Center Annual Meeting.
    Palm Springs. Sep 2019.