XANTHIPPI MARKENSCOFF

Professor of Applied Mechanics

Point of Contact Department of Mechanical & Aerospace Engineering University of California, San Diego 9500 Gilman Drive La Jolla, CA 92093-0411 E-Mail: xmarkens@ucsd.edu Office: 255 EBU II Phone: (858) 534-1337 FAX: (858) 534-5698

Symposium on Multi-Scale Dislocation Dynamics
Funded by the National Science Foundation
University of California in San Diego La Jolla, CA
January 19-20, 2008

Education

Doctor of Philosophy, 1974
Princeton University, Princeton, New Jersey.

Master of Arts, 1972
Princeton University, Princeton, New Jersey.

Master of Science in Engineering, 1971
Princeton University, Princeton, New Jersey.

Diploma in Civil Engineering, 1970
National Technical University, Athens, Greece.

Research Areas

Current Research Topics

• Multiscale Dislocation Dynamics.
• Conservation Laws and Configurational Forces
• Inverse Problems.
• The Cosserat Spectrum Theory.
• Singular Asymptotics for the Interaction of Defects. Thin Ligaments.
• Instabilities in Coupled Systems.

Publications   

Selected Publications

• "Asymptotics for Thin Elastic Ligaments with Applications to Body Force and Thermal Loadings," (with L. Wu), J. Mech. Phys. Sol., Vol 45, pp 2033-2054, 1997.
• "On Multiple Connectivity and Reduction of Constants for Composites with Body Forces," (with I. Jasiuk), Proc. Roy. Soc. London, Vol 454, 1998.
• "The Wedge Paradox and a Correspondence Principle,"(with M. Paukshto), Proc. Roy. Soc. London Vol 454, pp 147-154, 1998.
• "On the Cosserat Spectrum in the Theory of Elasticity and Applications," (with M. Paukshto), Proc. Roy. Soc. London Vol 454, pp 631-643, 1998.
• "Inclusions with Constant Eigenstress," J. Mech. Phys. Sol. Vol. 46, pp. 2297-2301, 1998.
• "Instabilities of a Thermo-Mechano-Chemical System," Quart. Appl. Math., Vol. 59, pp. 471- 477, 2001.
• "The Transient Motion of a Dislocation with a Ramp–Like Core," (with Luqun Ni), J. Mech. Phys. Sol., Vol. 49, pp. 1603-1619, 2001.
• "The Geometry of Grasping," with L. Ni and C.H. Papadimitriou, Int. J. Rob. Res., 9, p. 61-74, 1990, Also presented at the XVII Int. Congr. Theor. Appl. Mech., Grenoble, 1988.
• "Some Properties of the Boundary Value Problem of Linear Elasticity in Terms of Stresses," (with V. Koucher and M. Paukshto), Journal of Elasticity, 74, 135-145, 2004.
• "Configurational Balance Laws for Incompatibility in Stress Space," w/ A. Gupta, Proc. Royal Soc., London, Proc. Royal Soc. A, London, 463, 1379-1392, 2007.
• "The Self-Force and Effective Mass of a Generally Accelerating Dislocation,I Screw Dislocation" with Luqun Ni, J. Mech. Phys. Sol. (in press), 2008.
• "Analysis of the Motion of a Screw Dislocation Accelerating through the Shear Wave Speed Barrier," with Surong Huang, J. Mech. Phys. Sol., in press 2008.

Fellowships and Awards

Ranked first at the nationwide university entrance examination and was awarded a merit scholarship by the Greek government (1965).
Awarded the Wallace-Lothrop Memorial Fellowship in Engineering (highest award), Princeton University (l973).
Guest Professor at the Max-Planck Institute, Stuttgart (1983).
Fellow, American Society of Mechanical Engineers (1994).
Professor Honoris Causa Faculty of Mathematics & Mechanics, St. Petersburg State University, Russia (1997).
Gold Medal for Science and Technology, Technical University of Crete (1999).
Fellow, Society of Engineering Sciences (elect) (2002).
Visiting Miller Professor, UC Berkeley (Fall 2003).
Directeur de Recherche (Visiting) Ecole Polytechnique, Paris, France (Fall 2004).
Senior Visiting Fellow, Christ Church College, Oxford University (Fall 2006)
Russell Severance Springer Distinguished Visiting Professor, UC Berkeley (Fall 2008)

Professional Experience

• Professor of Applied Mechanics, University of California, San Diego, La Jolla, California (1988-present).
• Visiting Professor of Engineering (Research), Brown University, Providence, Rhode Island (3/1989-8/1989).
• Professor of Mechanical Engineering, University of California, Santa Barbara, California (1987).
• Consultant in Robotics, Stanford University (1986-1987).
• Associate Professor of Mechanical Engineering, University of California, Santa Barbara, California (1981-1987).
• Visiting Associate Professor, Brown University, Providence, Rhode Island (9/1981-12/1981).
• Visiting Assistant Professor, Brown University, Providence, Rhode Island (9/1980-12/1980).
• Assistant Professor of Mechanical Engineering, Carnegie-Mellon University, Pittsburgh, Pennsylvania (l978-l980).
• Visiting Scientist, Alcoa Technical Center (Summ. and Fall, 1978).
• Adjunct Assistant Professor (Research), Brown University, Providence, Rhode Island (1/1978-7/1978).
• Visiting Assistant Professor (Research), Brown University, Providence, Rhode Island (7/1977-12/1977).
• Research Associate, Massachusetts Institute of Technology, Cambridge, Massachusetts (1977).
• Assistant Professor of Engineering Science and Mechanics, Virginia Polytechnic Institute and State University, Blacksburg, Virginia (l974-l976).

Editorial Boards

International Journal for Multiscale Computational Engineering (2004-Present)
Journal of Applied Mechanics, ASME (1992-1997)
Journal of Computational Mechanics (1984-1986)