Presentations
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"Optimal scaling laws in ductile fracture" Invited Talk, BIRS Workshop on Variational Fracture, Banff Center, May 11, 2016 (pdf)

"Distributed Damage and Enhanced Permeability in Confined Brittle Materials under Triaxial Compression" Invited Talk, CFRAC 2015, Cachan, France, June 3-5, 2015 (pdf)

"Multiscale Modeling and Simulation of Solids" Invited Talk, CSMA 2015:12eme Colloque National en Calcul des Structures, Giens, France, May 18-22, 2015 (pdf)

"Optimal scaling in plasticity and fracture" Invited Talk, Workshop on Analysis and Computation of Microstructure in Finite Plasticity, Bonn, Germany, May 4-8, 2015 (pdf)

"Multiscale Modeling of Materials" Invited Talk, 2015 MACH Conference, Baltimore, MD, April 8, 2015 (pdf)

"Atomistic Long-Term Simulation of Heat and Mass Transfer" Invited Talk, 2014 MRS Fall Meeting, Symposium: NN. Mathematical and Computational Aspects of Materials Science, Boston, MA, November 30 - December 5, 2014 (pdf)

"Optimal scaling laws in ductile fracture" Invited Talk, IUTAM Symposium on Micromechanics of Defects in Solids, University of Seville, Spain, June 9-13, 2014 (pdf)

"Atomistic Long-Term Simulation of Heat and Mass Transport" Invited Talk, PIRE Workshop, University of Warwick, Coventry UK, September 15, 2014 (pdf)

"Modeling and simulation of fracture and fragmentation"
Plenary Lecture, 11th World Congress on Computational Mechanics (WCCM XI), Barcelona, Spain, July 22, 2014 (pdf)

"Optimal scaling laws in ductile fracture" Invited Lecture, Symposium on New Developments in Defects Mechanics, UCSD, La Jolla, CA, January 18-19, 2014 (pdf)

"Optimal scaling laws in ductile fracture" Invited Lecture, Workshop on Materials Theories, Mathematisches Forschungsinstitut, Oberwolfach, Germany, December 15-21, 2013 (pdf)

"Full Physics' and Uncertainty Quantification as Drivers for Exascale Computing" Invited Lecture, SimTech Colloquium, Universitat Stuttgart, Germany, December 18, 2012 (pdf)

"Multiscale modeling and simulation of ductile fracture and fragmentation" Semi-Plenary Lecture, 6th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2012) Vienna, Austria, September 10-14, 2012 (pdf)

"Multiscale Modeling of Materials: Linking Microstructure and Macroscopic Behavior" Plenary Lecture, DOE CSGF Conference, Krell Institute, Arlington, VA, July 27, 2012 (pdf)

"Optimal-Transportation Meshfree Approximation Schemes" Invited Lecture, 8th European Solid Mechanics Conference, (ESMC2012), Graz, Austria, July 11, 2012 (pdf)

"Non-Equilibrium Thermodynamics and Multiscale Modeling of Dynamic Void Growth in Crystals" Invited Lecture, International Symposium on Current Problems in Solid Mechanics in honor of Professor Rodney J. Clifton, Symi, Greece, June 24-29, 2012 (pdf)

"Variational Methods in Multiscale Analysis" Invited Lecture, Workshop on Mechanics of Materials, Mathematisches Forschungsintitut, Oberwolfach, Germany, March 18-24, 2012 (pdf)

"Optimal Uncertainty Quantification" Invited Lecture, Advanced Computational Engineering Workshop, Oberwolfach, Germany, February 12-18, 2012 (pdf)

"Optimal-Transportation Meshfree Approximation Schemes" Invited Lecture, Mini-Workshop on Variational Methods for Evolution Mathematisches Forschungsinstitut Oberwolfach, Oberwolfach, Germany, December 4-10, 2011 (pdf)

"Optimal Uncertainty Quantification in Complex Systems" Invited Lecture, Society of Engineering Science (SES), 48th Annual Technical Meeting, Eringen Medal Symposium in Honor of Professor Ares Rosakis, Northwestern University, Evanston, Illinois, October 13, 2011 (pdf)

"Model-Based Rigorous Uncertainty Quantification in Complex Systems" Plenary Lecture, ECCOMAS COMPLAS XI, An ICIAM Special Interest Conference, Barcelona, Spain, September 7-9, 2011 (pdf)

"Advanced Cardiac Mechanics Emulator, Simulating the beating human heart" Technische Universität München (TUM), M. Ortiz, Project Head; Project Partners: Wolfgang A. Wall and Michael W. Gee, TUM; William Klug, UCLA, September 2011 (pdf)

"Line Tension as the Dilute Limit of Discrete Dislocations" Invited Lecture, 7th International Congress on Industrial and Applied Mathematics (ICIAM11), Vancouver, Canada, July 18-22, 2011 (pdf)

"Multiscale models of metal plasticity" Lecture I: Experimental and continuum thermodynamics basis; Invited Lecture Series, Sixth Summer School in Analysis and Applied Mathematics, Rome, Italy, June 20-24, 2011 (pdf)

"Multiscale models of metal plasticity" Lecture II: Energetics of dislocations; Invited Lecture Series, Sixth Summer School in Analysis and Applied Mathematics, Rome, Italy, June 20-24, 2011 (pdf)

"Multiscale models of metal plasticity" Lecture III: Dilute dislocations and the line tension model; Invited Lecture Series, Sixth Summer School in Analysis and Applied Mathematics, Rome, Italy, June 20-24, 2011 (pdf)

"Multiscale models of metal plasticity" Lecture IV: Kinetics and work hardening; Invited Lecture Series, Sixth Summer School in Analysis and Applied Mathematics, Rome, Italy, June 20-24, 2011 (pdf)

"The Dilute Limit of Discrete Dislocations: Application to Dislocation Junctions" Invited Lecture, 5th International Symposium on Defect and Material Mechanics (ISDMM11), University of Seville, Seville, Spain, June 26 - July 1, 2011 (pdf)

"Model-Based Rigorous Uncertainty Quantification in Complex Systems" Invited Lecture, Congress on Numerical Methods in Engineering (CMNE2011), University of Coimbra, Coimbra, Portugal, June 17, 2011 (pdf)

"Variational models of dynamic fracture" Invited Lecture, Mini-Workshop on Mathematical Models, Analysis and Numerical Methods for Dynamic Fracture Mathematisches Forschungsinstitut, Oberwolfach, Germany, April 26, 2011 (pdf)

"Predictive Modeling and Simulation of the Dynamic Response of Materials at Caltech" Invited Lecture, Beijing University of Aeronautics and Astronautics (BUAA) School of Jet Propulsion, Beijing, CHINA, March 14, 2011 (pdf)

"Model-Based Rigorous Uncertainty Quantification in Complex Systems" Invited Plenary Lecture, MECOM Del Bicentenario 2010, IX Argentinean Congress on Computational Mechanics, Buenos Aires, Argentina, November 17, 2010 (pdf)

"Multiscale Analysis as a (Lossless) Approximation Scheme" Invited Plenary Lecture, MMM2010, Fifth International Conference on Multiscale Materials Modeling, Freiburg, Germany, October 7, 2010 (pdf)

"Model-Based Rigorous Uncertainty Quantification in Complex Systems" Invited Lecture, Applied Mathematics Seminar, Warwick Mathematics Seminar, Warwick Mathematics Institute, June 23, 2010 (pdf)

"Optimal Transportation Meshfree Approximation Schemes for Fluid and Plastic Flows" Distinguished Lecture Series in Structural Mechanics, The Civil & Environmental Engineering Department, UCLA, Los Angeles, CA, February 23, 2010 (pdf)

"Shock-Induced sub-grain microstructures in energetic polycrystals" Invited Lecture, TMS 2010 139th Annual Meeting, Washington State Convention & Trade Center, Seattle, WA, February 17, 2010 (pdf)

"
Dislocations in graphene"
Invited Lecture, Symposium on Multiscale Dislocation Dynamics, UCSD, La Jolla, CA, January 16-17, 2010 (pdf)

"Optimal-Transportation Meshfree Approximation Schemes for Fluid and Plastic Flows" Invited Lecture, Institut für Baustatik und Baudynamik, Universität Stuttgart, September 23, 2009 (pdf)

"Dislocation in graphene" Invited Lecture, Workshop on PDEs and Materials, Oberwolfach, Germany, September 13-19, 2009 (pdf)

"Optimal-Transportation Meshfree Approximation Schemes for Fluid and Plastic Flows" Invited Lecture, COMPLAS X, Barcelona, Spain, September 3, 2009 (pdf)

"Multiscale Modeling of High Energetic Materials under Impact Loads" Invited Lecture, USNCCM X, Columbus, OH, July 16-19, 2009 (pdf)

"Can Complex Material Behavior be Predicted" Invited Lecture, Krell Institute 2009 Annual Conference, DoE NNSA Stockpile Stewardship Graduate Fellowship Program Meeting, Washington, DC, July 13-16, 2009 (pdf)

"Multiscale Modeling of Energetic Materials" Invited Lecture, New Frontiers in the Mathematics of Solids Multiscale Models in Solid Mechanics, Oxford University, UK, June 3, 2009 (pdf)

"Energy-stepping integrators in Lagrangian mechanics" Structured Integrators Workshop, Caltech, Pasadena, CA, May 8, 2009 (pdf)

"Multiscale modeling of materials: Linking microstructure and macroscopic behavior" Invited Lecture, Seminarios Interuniversitarios de Mecanica y Materiales, Barcelona, Zaragoza, Seville, Spain, December 16-19, 2008 (pdf)

"Minimum principles for characterizing the trajectories and microstructural evolution of dissipative systems" Invited Lecture, SES, Champagne, IL, October 13, 2008 (pdf)

"Multiscale models of metal plasticity: Part I: Dislocation dynamics to crystal plasticity" Invited Lecture, MULTIMAT closing meeting, Bonn, Germany, September 12, 2008 (pdf)

"Multiscale models of metal plasticity: Part II: Crystal plasticity to subgrain microstructures" Invited Lecture, MULTIMAT closing meeting, Bonn, Germany, September 12, 2008 (pdf)

"Nonconvex Plasticity and Microstructure" Rodney Hill Prize Plenary Lecture, 22nd International Congress of Theoretical and Applied Mechanics, Adelaide, Australia, August 27, 2008 (pdf)

"Nonconvex Plasticity and Microstructure" Invited Lecture, 8th World Congress on Computational Mechanics, Venezia, Italy, July 1, 2008 (pdf)

"Electronic-structure calculations at macroscopic scales" Opening Plenary Lecture, 8th World Congress on Computational Mechanics, Venezia, Italy, June 30, 2008 (pdf)

"Quasi-Continuum Density Functional Theory" Invited Lecture, 8th World Congress on Computational Mechanics, Venezia, Italy, June 30, 2008 (pdf)

"Minimum principles for characterizing the trajectories and microstructural evolution of dissipative systems" Invited Lecture, Geometric Analysis, Elasticity and PDEs, Edinburgh, June 26, 2008 (pdf)

"Discrete Dislocation Dynamics" Invited Lecture, Symposium on Multiscale Dislocation Dynamics, UCSD, La Jolla, CA, January 19-20, 2008 (pdf)

"Electronic-structure calculations at macroscopic scales" Lecture, Material Theories Workshop, Oberwolfach, Germany, December 17-21, 2007 (pdf)

"Electronic-structure calculations at macroscopic scales" Plenary Lecture, Complas IX International Conference on Computational Plasticity, Fundamentals and Applications, International Center for Numerical Methods in Engineering (CIMNE), Barcelona, Spain, September 5-7, 2007 (pdf)

"Electronic-structure calculations at macroscopic scales" Plenary Lecture, BAMC 2007, 49th British Applied Mathematics Colloquium, University of Bristol, UK, April 16-20, 2007 (pdf)

"Prediction and Multiscale Modeling of Corrosion and Wear" Plenary Lecture, 17th US Army Symposium on Solid Mechanics, Baltimore, MD, April 2-3, 2007 (pdf)

"Importance of shear in the bcc--to-hcp transformation in iron" Lecture, American Chemical Society 233rd National Meeting & Exposition, March 25-29, 2007 (pdf)

"Energy-Dissipation Functionals in Fracture Mechanics" Lecture, Analysis and Numerics for Rate-Independent Processes Workshop, Oberwolfach, Germany, February 25 - March 3, 2007 (pdf)

"Diamonds: Finite-Element/Discrete Mechanics Schemes with Guaranteed Optimal Convergence" Plenary Lecture, International Conference on Multifield Problems, University of Stuttgart, Germany, October 4-6, 2006 (pdf)

"Multiscale Modeling of Materials. Part I: Dislocation Structures to polycyrstals" Invited Lecture, Calculus of Variations and Partial Differential Equations Workshop, Centro di Ricerca Matematica Ennio de Giori, Scuola Normale Superiore, Pisa, Italy, September 17-23, 2006 (pdf)

"Multiscale Modeling of Materials. Part II: Dislocation Structures to polycyrstals" Invited Lecture, Calculus of Variations and Partial Differential Equations Workshop, Centro di Ricerca Matematica Ennio de Giori, Scuola Normale Superiore, Pisa, Italy, September 17-23, 2006 (pdf)

"Multiscale Modeling of Materials. Part III: Discrete to Continuum" Invited Lecture, Calculus of Variations and Partial Differential Equations Workshop, Centro di Ricerca Matematica Ennio de Giori, Scuola Normale Superiore, Pisa, Italy, September 17-23, 2006 (pdf)

"Effect of Blast Loads on Reinforced Steel Plates & Shells" Lecture, Materials & Structures for Advanced Ship Protection Workshop, Harbourtowne, St. Michaels, MD, August 28-31, 2006

"Discrete Differential Calculus and Analysis for Incompressible Elasticity" Keynote Lecture, WCCM VII - 7th World Congress on Computational Mechanics, Los Angeles, California, July 16-21, 2006

"Multiscale Modeling of Materials: A Challenge in Predictive Science"
Invited Lecture, The Stanford S. and Beverly P. Penner Distinguished Lectures in the Aerospace & Mechanical Engineering Sciences, University of California, San Diego, May 15, 2006

"Analysis and Computation of Microstructures in Finite Plasticity" Mini-Workshop, Organizer and Speaker, Oberwolfach, Germany, November 13-19, 2005

"Mixed Continuum Atomistic Methods in Nanomechanics" Keynote Lecture, International Conference on Micromechanics and Microstructure Evolution: Modeling, Simulation and Experiments, Madrid, Spain, September 12-14, 2005

"Multi-Scale Problems: Modelling Analysis and Applications" Invited Lecture, Bath Institute for Complex Systems, University of Bath, September 14-16, 2005

"Multiscale Modeling of Materials: Linking Microstructure and Macroscopic Behavior"Keynote Lecture, COMPLAS 2005, VIII International Conference on Computational Plasticity, Barcelona, Spain, September 5-8, 2005

"Multiscale Modeling of Materials: Linking Microstructure and Macroscopic Behavior" Semi-Plenary Lecture, USNCCM8 Conference, Austin, TX, July 24-27, 2005

"Multiscale Modeling of Materials: Microstructure and Macroscopic Behavior"
Seminar, University of Kaiserslautern, Germany, June 16, 2005


"Linking microstructure and macroscopic behavior"
Seminar, Politecnico di Milano, Dipartimento di Ingegneria Strutturale, Milano, Italy, June 7, 2005

"Multiscale problems in crystal plasticity" Seminar, Politecnico di Milano, Dipartimento di Matematica, Milano, Italy, June 5, 2005

"Subdivision Shells "
Keynote Lecture (Fehmi Cirak, Michael Ortiz), Fifth International Conference on Computation of Shell & Spatial Structures, Salzburg, Austria, June 1-4, 2005

"Multiscale Models of Materials: Linking Microstructure and Macroscopic Behavior" P/T Colloquium, Los Alamos National Laboratory, April 21, 2005 (pdf)

Caltech's ASC Center mid-year review presentations, April 13-14, 2005:

i) "Detonation-driven Tube fracture - Modeling and simulation."
(pdf)

ii) "Dynamic fracture and fragmentation - Modeling and simulation."
(pdf)


"Continuum Biomechanics (Pantha Psiloni)" by Prof. Ellen Kuhl, Dept. of Mechanical Engineering, TU Kaiserslautern, Mechanical Engineering Seminar, March 29, 2005 (pdf)

"Multiscale Models of Materials: Linking Microstructure and Macroscopic Behavior" Plenary Lecture, SIAM Conference on Computational Science & Engineering, Orlando, FL, February 11-13, 2005 (pdf)

"A Three-Dimensional Multi-Phase field Model of Dislocation Dynamics and Plasticity in Crystals" Invited Talk (M. Ortiz and M. P. Ariza), MRS Fall Conference, Boston, MA, November 30 - December 2, 2004

"Statistical Treatments of Deformation in Polycrytals"
Keynote Lecture, Second International Conference on Multiscale Materials Modelling (MMM-II), UCLA, October 14, 2004


"Continuum Models of Dislocation Dynamics and Dislocation Structures"
Invited Lecture, Gordon Research Conference on Physical Metallurgy, The Holderness School, Plymouth, NH, July 27, 2004 (pdf)

"An Overview of Variational Integrators" by A. Lew, M. West, J. Marsden and M. Ortiz, Thomas J. R. Hughes' 60th Birthday Conference, Rice University, April 7, 2004 (pdf)

"Multiscale modeling of the iron bcc to hcp martensitic phase transformation" by Kyle J. Caspersen, Emily Carter, Adrian Lew and Michael Ortiz, American Physical Society Spring Meeting, Ohio University, Athens, OH, April 16-17, 2004 (pdf)

"Capturing the Singular Sets of Solids" Invited Talk, Joint Mechanics & Computaton - Materials Science and Engineering Colloquium, Stanford University, Stanford, April 21, 2004 (pdf)

"Dislocation Patterns and the Deformation of Metals" by M. Koslowski, A. Cuitino, M. Ortiz, R. LeSar, R. Thomson, presentated at the 2004 TMS Annual Meeting and Exhibition, Charlotte, North Carolina, March 17, 2004 (pdf)

"The CSEM Multiprocessor Computing Facility" by Jarek Knap, Group meeting presentation, Caltech, March 5, 2004 (pdf)

"The Case for a Space Science and Technology Initiative" Presentation to the E&AS Visiting Committee, Caltech, March 2, 2004 (pdf)

"Shells and Membranes: Grace under Pressure" Presentation at the GALCIT 75th Anniversary Celebration, Caltech, November 14-15, 2003 (pdf)

"Mixed Continuum/Atomistic Models: The Quasicontinuum Method" Invited Lecture, AHPCRC Workshop on the Mechanical Behavior of Materials from Atoms to Structures, AHPRC, UMN, November 5, 2003 (pdf)

"State and Future Perspectives in Computational Mechanics of Materials and Structures" Invited Speaker, Commas Graduation Ceremony, University of Stuttgart, June 13, 2003 (pdf)

Caltech's ASCI/ASAP Center for the Simulation of the Dynamic Response of Materials Program review, Caltech, October 22, 2003. Solid Dynamics Group presentations:

Brittle fracture (pdf)
Ductile fracture (pdf)
Dynamic Deformation (pdf)

MURI on Engineered Microstructural Complexity in Ferroelectric Devices Program review, Caltech, October 28, 2003 (pdf)

"Variational Methods in Dislocation Dynamics" Workshop on PDEs and Materials, Oberwolfach, Germany, September 8, 2003 (pdf)

Materials by Design CHSSI Porfolio Review of Caltech and USC programs, Pasadena, July 16, 2003. Presentations: (Olga Kowalewsky) (Jaime Marian) (Jarek Knap)

"Variational Problems in Mechanics and the Link between Microstructure and Macroscopic Behavior " Fifth International Conference on Industrial and Applied Mathematics, Sydney, Australia, July 7-11, 2003 (pdf)

"The Mechanics of Viral DNA Packaging" Physical Chemistry Seminar, UCLA, May 19, 2003 (pdf)

"The Mechanics of Viral DNA Packaging" Solid Mechanics Seminar, Caltech, May 5, 2003 (pdf)

"Mixed Continuum/Atomistic Model: The Quasicontinuum Method" Plenary Lecture, 7th Computational Plasticity Conference, Barcelona, Spain, April 7, 2003 (pdf)

"Discrete Dynamics and Variational Integrators" Plenary Lecture, 5th World Congress on Computational Mechanics, Vienna, Austria, July 7-12, 2002
(pdf)

"Non-Convex Plasticity and Dislocation Structures" Plenary Lecture, 2002 GAMM Annual Meeting, Augsburg, Germany, March 25-26, 2002. (pdf)

"Phase-Field Theory and Modeling of Dislocations in Single Crystals"
Caltech's ASCI Center Material Properties Workshop, Pasadena, California, January 24-25, 2002 (pdf)

"Solid Dynamics Group Presentation" Caltech's ASCI/ASAP Center FY01 Review, Pasadena, California, October 22-23, 2001 (pdf)

"An Exactly Solvable Phase-Field Model of Dislocation Dynamics" Workshop on Multiscale Modeling, Bodega Bay, California, October 7-10, 2001 (pdf)

"Variational Methods in Convex and Non-Convex Plasticity" IUTAM Symposium on Computational Mechanics of Solids and Materials at Large Strains, Stuttgart, Germany, August 20-24, 2001 (pdf)

"Renormalization of Atomic-Scale Binding-Energy Relations" CECAM/SIMU Workshop, Heraklion, Greece, July 4, 2001 (pdf)

"Delamination of Compressed Thin Films" Workshop on Material Interfaces and Geometrically-Based Motions, IPAM/UCLA, April 26, 2001 (pdf)

"Microstructure Development and Evolution in Plasticity" Vienna Summer School on Microstructures, Vienna, Austria, September 25-29, 2000 (Introduction) (Lecture1) (Lecture2) (Lecture3) (Lecture4)

"Subdivision Elements for Thin-Film Analysis" ECCOMAS 2000, Barcelona, Spain, September 11, 2000 (pdf)

"Cohesive Models of Fracture" Solid Mechanics at the Turn of the Millennium Providence, RHode Island, June 16, 2000 (pdf)

"The Effect of Elastic Stresses and Crystallographic Slip on Island Growth in Thin Films" 3rd SIAM Conference on Mathematical Aspect of Materials Science Philadelphia, PA, May 14, 2000 (pdf)


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