Profile
Profile

Prof. Michael Ortiz, PhD

E-Mail: ortiz(at)iam.uni-bonn.de
Telefon: +49 228 73 62212
Homepage: http://www.ortiz.caltech.edu/~ortiz/home.shtml
Raum: 4.036
Standort: Mathematics Center
Institute: Institute for Applied Mathematics
Forschungsbereich: Research Area B
Geburtsdatum: 06.Aug 1954
Mathscinet-Number: 223098

Academic Career

1979 - 1982

Research Assistant, Department of Civil Engineering, University of California, Berkeley, CA, USA

1981

PhD, University of California, Berkeley, CA, USA (thesis advisor: E.P. Popov)

1982 - 1983

Postdoctoral Fellow, Department of Mathematics, Ministry of Public Works, Madrid, Spain

1983 - 1984

Research Scientist, Computational Hydrodynamics Program, Department of Coasts and Harbors, Ministry of Public Works, Madrid, Spain

1984 - 1987

Assistant Professor of Engineering, Brown University, RI, USA

1987 - 1990

Associate Professor of Engineering, Brown University, RI, USA

1990 - 1995

Professor of Engineering, Brown University, RI, USA

1995 - 2004

Professor of Aeronautics and Mechanical Engineering, California Institute of Technology, CA, USA

2004 - 2013

Dotty and Dick Hayman Professor of Aeronautics and Mechanical Engineering, California Institute of Technology, CA, USA

2008 - 2013

Director, Caltech’s DoE/PSAAP Center for the Predictive Modeling and Simulation of High-Energy Density Dynamic Response of Materials, CA, USA

Since 2013

Frank and Ora Lee Marble Professor of Aeronautics and Mechanical Engineering, California Institute of Technology, CA, USA

Since 2016

Bonn Research Chair, University of Bonn

Selected Publications

[1] M. Arroyo, M. Ortiz
Local maximum-entropy approximation schemes: a seamless bridge between finite elements and meshfree methods
Internat. J. Numer. Methods Engrg. , 65: (13): 2167--2202
2006
DOI: 10.1002/nme.1534
[2] Q. Yang, L. Stainier, M. Ortiz
A variational formulation of the coupled thermo-mechanical boundary-value problem for general dissipative solids
J. Mech. Phys. Solids , 54: (2): 401--424
2006
DOI: 10.1016/j.jmps.2005.08.010
[3] Vikram Gavini, Kaushik Bhattacharya, Michael Ortiz
Quasi-continuum orbital-free density-functional theory: a route to multi-million atom non-periodic DFT calculation
J. Mech. Phys. Solids , 55: (4): 697--718
2007
DOI: 10.1016/j.jmps.2007.01.012
[4] Q. Yang, A. Mota, M. Ortiz
A Finite-Deformation Constitutive Model of Bulk Metallic Glass Plasticity
Computational Mechanics , 37: (2): 194--204
2006
DOI: 10.1007/s00466-005-0690-5
[5] Yashashree Kulkarni, Jaroslaw Knap, Michael Ortiz
A variational approach to coarse graining of equilibrium and non-equilibrium atomistic description at finite temperature
J. Mech. Phys. Solids , 56: (4): 1417--1449
2008
DOI: 10.1016/j.jmps.2007.09.005
[6] K. Weinberg, A. Mota, M. Ortiz
A variational constitutive model for porous metal plasticity
Computational Mechanics , 37: (2): 142--152
2006
DOI: 10.1007/s00466-005-0685-2
[7] Sigrid Leyendecker, Jerrold E. Marsden, Michael Ortiz
Variational integrators for constrained dynamical systems
ZAMM Z. Angew. Math. Mech. , 88: (9): 677--708
2008
DOI: 10.1002/zamm.200700173
[8] Tamer El Sayed, Alejandro Mota, Fernando Fraternali, Michael Ortiz
Biomechanics of traumatic brain injury
Computer Methods in Applied Mechanics and Engineering , 197: (51): 4692--4701
Publisher: Elsevier
2008
[9] Phanish Suryanarayana, Vikram Gavini, Thomas Blesgen, Kaushik Bhattacharya, Michael Ortiz
Non-periodic finite-element formulation of Kohn-Sham density functional theory
J. Mech. Phys. Solids , 58: (2): 256--280
2010
DOI: 10.1016/j.jmps.2009.10.002
[10] C. J. Cyron, M. Arroyo, M. Ortiz
Smooth, second order, non-negative meshfree approximants selected by maximum entropy
Internat. J. Numer. Methods Engrg. , 79: (13): 1605--1632
2009
DOI: 10.1002/nme.2597

Publication List

Editorships

Current Editorships:
• International Journal for Numerical Methods in Engineering (since 1996)
• Computer Methods in Applied Mechanics and Engineering (since 1996)
• Journal of the Mechanics and Physics of Solids (since 1999)
• Archive for Rational Mechanics and Analysis (since 1999)

Awards

1977 - 1978

Fulbright Scholarship, University of California, Berkeley, CA, USA

1994 - 1995

Sherman Fairchild Distinguished Scholar, California Institute of Technology, CA, USA

2002

Humboldt Research Award for Senior U.S. Scientists, Alexander von Humboldt Stiftung, Germany

2002

Computational Mechanics Award for Research, International Association for Computational Mechanics (IACM)

2007

Computational Structural Mechanics Award, U. S. Association for Computational Mechanics (USACM)

2007

Elected Fellow of the U. S. American Academy of Arts & Sciences

2008

Rodney Hill Prize, Intl. Union of Theoretical and Applied Mechanics (IUTAM)

2010

Hans Fischer Senior Fellowship, Institute for Advanced Study, TU Munich, Germany

2011

Prize of the Spanish Association for Numerical Methods in Engineering (SEMNI)

2013

Elected Member of the U. S. National Academy of Engineering

2014

IUTAM Symposium in honour of 60th birthday, Burg Schnellenberg, Germany

2015

Timoshenko Medal, American Society of Mechanical Engineers (ASME)

2016

Journal of the Mechanics and Physics of Solids, 60th Birthday Special Volume

Selected Invited Lectures

Recent Plenary Lectures

2007

49th British Applied Mathematics Colloquium, BAMC 2007, Bristol, England, UK

2007

9th Intl. Conf. Computational Plasticity, COMPLAS IX, Barcelona, Spain

2008

8th World Congress on Computational Mechanics, Opening Lecture, Venice, Italy

2008

22nd Intl. Con. Theoretical & Applied Mechanics, Hill Medal Lecture, Adelaide, SA, Australia

2009

10th Intl. Conf. Computational Plasticity, COMPLAS X, Barcelona, Spain

2010

Fifth Intl. Conference on Multiscale Materials Modelling, MMM2010, Freiburg

2010

IX Argentinean Congress Comput. Mech., MECOM2010, Buenos Aires, Argentina

2011

Congress on Numerical Methods in Engineering, CNME2011, Coimbra, Portugal

2011

11th Intl. Conf. Computational Plasticity, COMPLAS XI, Barcelona, Spain

2012

European Solids Mechanics Conference, ESMC2012, Graz, Austria

2012

European Congress Comp. Meth. Appl. Sci. Engr., ECCOMAS 2012, Vienna, Austria

2013

12th Intl. Conf. Computational Plasticity, COMPLAS XII, Barcelona, Spain

2014

11th World Congress on Computational Mechanics, WCCM XI, Barcelona, Spain

2015

Intl. Conf. Computational Modelling of Fracture, CFRAC, Paris, France

2015

13th Intl. Conf. Computational Plasticity, COMPLAS XIII, Barcelona, Spain

2015

American Society of Mechanical Engineers, Timoshenko Lecture, Houston, TX, USA

Selected PhD students

Bo Li (2009): “The optimal transportation method in solid mechanics”,
now Assistant Professor, Case Western Reserve University, OH, USA

Leonard J. Lucas (2009): “Uncertainty quantification using concentration-of-measure inequalities”,
now Senior Engineer, Bechtel Marine Propulsion Corporation, USA

Julian J. Rimoli (2009): “A computational model for intergranular stress corrosion cracking”,
now Assistant Professor, Georgia Institute of Technology, GA, USA

Benjamin L. Hansen (2009): “Modeling metallic single crystal plastic hardening through the evolution of dislocation subgrain structures”,
now Scientist, Theoretical Division, Los Alamos National Laboratory, USA

Daniel Hurtado (2010): “Multiscale modeling of microcrystalline materials”,
now Associate Professor, Pontifical Catholic University of Chile, Santiago de Chile, Chile

Celia Reina (2010): “Multiscale modeling and simulation of damage by void nucleation and growth”,
now Assistant Professor, University of Pennsylvania, Philadelphia, PA, USA

Luigi Perotti (2010): “Modeling the behavior of fiber reinforced sandwich structures subjected to underwater explosions”,
now Postdoctoral Scholar, University of California, Los Angeles, CA, USA

Gabriela Venturini (2010): “Topics in multiscale modeling of metals and metallic alloys”,
now Software Engineer, DreamWorks Animation, CA, USA, and Adjunct Professor, Occidental College, CA, USA

Marcial Gonzalez (2010): “Energy and force stepping integrators in Lagrangian mechanics”,
now Assistant Professor, Purdue University, IN, USA

Gwendolyn (Gwen) Johnson (2012): “Modeling, simulation, and design of self-assembling space systems: accurate collision detection, robust time integration, and optimal control”,
now Assistant Professor, Notre Dame University, South Bend, IN, USA

Landry Fokoua Djodom (2013): “Optimal scaling in ductile fracture”,
now Researcher, Exalon, Baltimore, MD, USA

Stefanie Heyden (2014): “Micromechanical damage and fracture in elastomeric polymers”,
now Academic Staff, University of Bonn

Panagiotis P. Natsiavas (2016): “Stability of electrode-electrolyte interfaces during charging in lithium batteries”,
now Postdoctoral Fellow, Massachusetts Institute of Technology, Cambridge, MA, USA

Brandon Runnels (2016): “A model for energy and morphology of crystalline grain boundaries with arbitrary geometric character”,
now Assistant Professor, University of Colorado, Colorado Springs, CO, USA

Supervised Theses

  • Diplom theses: 3
  • PhD theses: 50
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