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
On the physical origin of some constitutive laws in biology and geophysics
Mechanical Science and Engineering Seminar Series, UIUC – Urbana, 2013
A multiscale model for fault zone evolution: From grain fragmentation to secondary faults branching
Geology Department Seminar Series, UIUC – Urbana, 2014
A multiscale model for shear flow in granular medium with breakable particles
Harvard Applied Mechanics Seminar, Harvard – Cambridge, MA, 2014
Non-equilibrium thermodynamics of fault gouge: Effect of grain contact processes
Construction Materials Group Seminar, UIUC – Urbana, 2015
Bone: Some mechanics and inspiration
Bio-Interest Group – Mechanical Science and Engineering, UIUC – Urbana, 2015
On the self-healing rupture mode and some investigations on fault zone inelasticity
Mechanics, Materials and Computation Group – Civil Engineering, Carnegie Mellon University, January 2016
The different signatures of pulse-like ruptures propagating on strong velocity weakening frictional interfaces
Geology Department Seminar, University of Missouri – Columbia, February 2016
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, February 2016
On some problems in amorphous plasticity of granular media
Materials Interest Group – Mechanical Science and Engineering, UIUC – Urbana, March 2016
Bone: Some mechanics and inspiration
Mechanical Engineering Department, University of California – Santa Barbara, April 2016
To order or to disorder: Examples from bio-inspired architectured composites
Hopkins Extreme Mechanics Institute, Johns Hopkins University, April 2016
Crack propagation in bone: the role of sacrificial bonds
SIAM Conference on Mathematical Aspects of Materials Science, Pennsylvania, May 2016
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, September 2016
Bone: Some mechanics and inspiration
MMAE Seminar Series, Illinois Institute of Technology – Chicago, November 2016
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, February 2017
Towards dynamic rupture simulations with high resolution fault zone physics
Earth Science Seminar, Kyoto University, Japan, February 2017
Extreme mechanics on the surface of our planet
Smith Lecture, University of Michigan, October 2017
Modeling dynamic ruptures with high resolution fault zone physics
Geophysics Department Seminar, Stanford University, November 2018
Breaking badly: Chasing fractures from tectonic to tabletop scales
Civil Engineering Department, Northwestern University, January 2019
Breaking badly: Chasing fractures from tectonic to tabletop scales
Mechanical and Civil Engineering, California Institute of Technology, January 2019
Modeling dynamic rupture with high resolution fault zone physics
Earth Science Department, University of Southern California, February 2019
Peeling, pulling, and cracking: Probing the toughness landscape in polymeric materials
Mechanics Seminar, University of Wisconsin – Madison, February 2019
A quasi-continuum approach for modeling fracture in networked materials
Disordered Networks: From Mechanical Properties to Failure – APS March Meeting, March 2019
Topology, geometry, and fracture in networked materials: A tale of scales
Penn Institute for Computational Sciences, University of Pennsylvania, April 2019
Modeling sequence of seismic and aseismic slip in complex fault zones
Workshop on Mechanics and Geophysics, University of California – San Diego, June 2019
A quasi-continuum approach for modeling fracture in networked materials: Application to polymers
United States National Congress on Computational Mechanics, Austin, TX, July 2019
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, July 2019
Modeling earthquakes with high resolution fault zone physics: From single ruptures to sequences
Theoretical Division Seminar, Los Alamos National Laboratory – New Mexico, August 2019
A quasi-continuum approach for modeling fracture in networked materials: Applications to rubber-like materials
Theoretical Division Seminar, Los Alamos National Laboratory – New Mexico, August 2019
Modeling complex fault zones with high resolution physics: From single ruptures to earthquake cycles
International Workshop on Slow Earthquakes, Sendai, Japan, September 2019
Modeling earthquake ruptures with high resolution fault zone physics
Civil Engineering Department, University of Illinois – Chicago, November 2019
Beware of the broken faults
Seismological Laboratory, California Institute of Technology, January 2020
Topology, geometry, and fracture in networked materials: A tale of scales
Pierce Lab Seminar Series, Massachusetts Institute of Technology, September 2020
Modeling sequence of earthquakes and aseismic slip with high resolution fault zone physics
American Geophysical Union Fall Meeting, Online, December 2020
Faults, fluids, and waves
Indian Institute of Technology – Hyderabad, Online, February 2021
Analysis and design of tough soft materials
Indian Institute of Science, Online, February 2021
Modeling COVID-19 spread and mitigation in a university environment and beyond
George Mason University – MOP-MOD Forum, Online, April 2021
Towards modeling sequence of earthquakes and aseismic slip (SEAS) with high resolution fault zone physics
Southern California Earthquake Center Annual Meeting, Online, September 2021
Advanced earthquake cycle simulations: Bimaterial interfaces, LVFZ, and nonlinear bulk rheology
American Geophysical Union Fall Meeting, Online, December 2021
Modeling the spread and mitigation of COVID-19 epidemic in a large public university
60th IEEE Conference on Decision and Control – COVID-19 Focus Workshop, Online, December 2021
Update on Omicron: Transmissibility, severity, and implications for mitigation
Presentation to Presidents and Chancellors of Public Universities in Illinois, Online, December 2021
Building the Earthquake Virtual Machine
Earthquake Science and Engineering in the Next 50 Years – A Symposium in Honor of Professor Tom Heaton, Caltech – Pasadena, March 2022
Modeling sequences of earthquakes and aseismic slip with high resolution fault zone physics
Warren Lecture – University of Minnesota, Online, March 2022
Topology, geometry, and fracture of networked materials: A tale of scales
Boulder Workshop on Soft and Active Matter Mechanics, Online, April 2022
Topology, geometry, and fracture of networked materials: A tale of scales
Indian Institute of Science – 75th Anniversary, Online, June 2022
Role of off-fault plasticity in controlling slip spectrum: From small to large and from slow to fast
Science of Slow Earthquakes Workshop, Online, September 2022
Building the Earthquake Virtual Machine: Modeling sequences of earthquakes and aseismic slip in complex fault zones
Berkeley Seismolab Seminar, UC Berkeley – Berkeley, November 2022
Co-evolution of fault zones and seismicity enabled by off-fault plasticity
AGU Fall Meeting, Online, December 2022
Size effects in fault dynamics
AGU Fall Meeting, Online, December 2022
Evidence of early supershear transition in the Feb 6 M7.8 Kahramanmaras earthquake from near field records
Seismological Society of America Meeting, Puerto Rico, April 2023
Revealing the dynamics of M7.8 Kahramanmaras earthquakes: Near field records and dynamic rupture simulations
European Geosciences Union Meeting, Vienna, Austria, April 2023
Modeling of sequences of seismic and aseismic slip on rate and state frictional interfaces in an elasto-plastic fault zone
CECAM Workshop: 3D Cracks and Crack Stability, Lausanne, Switzerland, June 2023
Co-evolution of fault zones and seismicity
SCEC Plenary Session, Palm Springs, CA, September 2023
Fast and slow slip in the Feb 6th M7.8 Kahramanmaras earthquake
Fast and Slow Earthquakes Workshop, Tokyo, Japan, September 2023
Building the virtual earthquake machine: Modeling sequences of earthquakes and aseismic slip in complex fault zones
TECTONIC/FEAR Seminar Series, Online, November 2023
Building the virtual earthquake machine: Modeling sequences of earthquakes and aseismic slip in complex fault zones
Earthquake Physics Seminar, University of Southern California – Los Angeles, February 2024
Building the virtual earthquake machine: Modeling sequences of earthquakes and aseismic slip in complex fault zones
Geophysics Seminar, Texas A&M – College Station, April 2024
Modeling sequences of fast and slow slip on frictional interfaces in elastoplastic bulk: Applications to earthquakes
Mechanics Seminar Series, University of Houston, April 2024
The Virtual Earthquake Machine: Foundations and Horizons
Earth Science Seminar, University of Southern California – Los Angeles, April 2024
The Virtual Earthquake Machine: Foundations and Horizons
Caltech, Pasadena, April 2024
The Virtual Earthquake Machine: Foundations and Horizons
MIT Geophysics Seminar, Cambridge, MA, May 2024
Geometry, topology, and mechanics in fracture of soft materials: A tale of scales
AmeriMech Conference on Fracture of Soft Materials, University of Texas – Austin, May 2024
The Virtual Earthquake Machine: Foundations and Horizons
UC Riverside Geophysics Seminar, UC Riverside, CA, May 2024
The Virtual Earthquake Machine: Foundations and Horizons
UCSB Earth Science Seminar, University of California – Santa Barbara, Goleta, CA, May 2024
Topology, geometry, and fracture in networked materials: A tale of scales
Society of Engineering Sciences Annual Meeting, Hangzhou, China, August 2024
The Virtual Earthquake Machine: Foundations and Horizons
Northwestern University, Evanston, IL, October 2024
People, gels, and faults
Viterbi School of Engineering, University of Southern California – Los Angeles, October 2024
The Virtual Earthquake Machine: Foundations and Horizons
Center for Earthquake Research and Information (CERI), University of Memphis, TN, November 2024
The Virtual Earthquake Machine: Foundations and Horizons
University of Oregon, Eugene, OR, November 2024