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Nicolas Triantafyllidis will receive the 2010 Warner T. Koiter Medal

Zhigang Suo's picture

triantafyllidisProfessor Nicolas Triantafyllidis, of Ecole Polytechnique and the University of Michigan, is selected to receive the 2010 Warner T. Koiter Medal.

I am writing on behalf of the Warner T. Koiter Medal Committee: Zhigang Suo (Chair), Tayfun E. Tezduyar, Ares J. Rosakis, Kenneth M. Liechti, Lawrence A. Bergman, Daniel J. Inman, Krishnaswamy Ravi-Chandar, Thomas N. Farris, Wing Kam Liu, Mary C. Boyce, Richard James, C.T. Sun, Pierre Suquet, Ray Ogden, Zenon Mroz.

The Warner T. Koiter Medal, established in 1996, is bestowed in recognition of distinguished contributions to the field of solid mechanics with special emphasis on the effective blending of theoretical and applied elements of the discipline, and on a high degree of leadership in the international solid mechanics community. 

The award was funded by the Technical University of Delft, The Netherlands, to honor Warner T. Koiter for his fundamental work in nonlinear stability of structures in the most general sense, for his diligence in the effective application of these theories, his international leadership in mechanics, and his effectiveness as a teacher and researcher.

Professor Triantafyllidis is selected to receive the 2010 Warner T. Koiter Medal “for seminal contributions to the theory and application of stability concepts in the nonlinear response and failure of solids and structures; and for contributions to the international solid mechanics community through various leadership positions.”

The Medal, which includes a bronze medal, a certificate, and an honorarium of $2000, will be presented at the Applied Mechanics Banquet, tentatively scheduled on Tuesday, 16 November 2010, during the ASME International Mechanical Engineering Congress and Exposition, to be held in Vancouver, Canada, 12-18 November 2010.

As a part of the tradition, before the Applied Mechanics Banquet, the Koiter medalist of the year will deliver a one-hour technical lecture.

Please join us in Vancouver to congratulate Professor Triantafyllidis.

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Mike Ciavarella's picture

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Comparison of microscopic and macroscopic
instabilities in a class of two-dimensional periodic composites

Journal
of the Mechanics and Physics of Solids
, Volume 41, Issue 9, September
1993
, Pages 1533-1565
Nicolas Triantafyllidis, William C. Schnaidt

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Preface
International
Journal of Solids and Structures
, Volume 39, Issues 13-14, June-July
2002
, Pages 3311-3312
Stelios Kyriakides, Nicolas Triantafyllidis

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Biographical sketch of Alan Needleman (2007)
Journal
of the Mechanics and Physics of Solids
, Volume 56, Issue 1, January
2008
, Pages 1-2
John W. Hutchinson, Nicolas Triantafyllidis

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Post-buckling of an elastic plate over an
inviscid and buoyant fluid

International Journal of
Solids and Structures
, Volume 39, Issues 13-14, June-July
2002
, Pages 3873-3891
Yves M. Leroy, Martin L. E. Guiton, Nicolas Triantafyllidis

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AbstractThe model problem proposed to study the buckling
of stratified geological layers consists of a linearly elastic plate,
capable of accommodating finite rotations, resting over an inviscid and
buoyant fluid. The Lyapunov–Schmidt–Koiter decomposition is applied to
construct the bifurcated equilibrium solutions. The asymptotic analysis
of the post-buckling reveals a decrease in the magnitude of the lateral
compressive force during an overall shortening of the stratified
structure. Buckling and post-buckling are not influenced by the presence
of a vertical stress gradient in the elastic plate.

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Surface instabilities in finitely strained
solids under static loading

International Journal of
Engineering Science
, Volume 22, Issues 8-10, 1984, Pages
1187-1192

Nicolas Triantafyllidis

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Puckering instability phenomena in the
hemispherical cup test

Journal of the Mechanics and
Physics of Solids
, Volume 33, Issue 2, 1985, Pages
117-119, 121-139

Nicolas Triantafyllidis

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Stability of pressure-dependent,
thermally-induced displacive transformations in bi-atomic crystals

International
Journal of Solids and Structures
, Volume 39, Issues 13-14, June-July
2002
, Pages 3845-3856
Ryan S. Elliott, John A. Shaw, Nicolas Triantafyllidis

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AbstractAn important property of some metallic alloys,
such as NiTi, for technological applications is their coupled
thermo-mechanical shape memory behavior. This is due to
temperature-dependent first-order displacive (martensitic)
transformations in which their crystal structures transform between a
higher symmetry cubic phase and lower symmetry phases (rhombohedral,
tetragonal, orthorhombic, or monoclinic).

In a recent paper, Elliott
et al. (J. Mech. Phys. Solids, in press) proposed a nano-mechanical
model based on temperature-dependent atomic potentials to explicitly
construct an energy density W(F;θ) to find all the different
equilibrium paths and their stability of a stress-free bi-atomic perfect
crystal as a function of temperature. In this work we investigate the
influence of hydrostatic pressure. In general, hydrostatic compression
increases the critical temperatures on the principal branches. For the
same absolute value, hydrostatic tension is found to have a more
pronounced effect on the equilibrium paths than hydrostatic compression.

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A sufficient condition for the linear
instability of strain-rate-dependent solids

Comptes
Rendus de l'Académie des Sciences - Series IIB -
Mechanics-Physics-Chemistry-Astronomy
, Volume 324, Issue 3, March
1997
, Pages 151-157
Nicolas Triantafyllidis, Patrick Massin, Yves M.
Leroy

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Stability of crystalline solids—I: Continuum
and atomic lattice considerations

Journal of the
Mechanics and Physics of Solids
, Volume 54, Issue 1, January
2006
, Pages 161-192
Ryan S. Elliott, Nicolas Triantafyllidis, John A.
Shaw

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Scale effects in the optimal design of a
microstructured medium against buckling

International
Journal of Solids and Structures
, Volume 26, Issue 7, 1990,
Pages 725-741
Martin P. Bendsøe, Nicolas Triantafyllidis

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Stability of crystalline solids—II:
Application to temperature-induced martensitic phase transformations in a
bi-atomic crystal

Journal of the Mechanics and Physics
of Solids
, Volume 54, Issue 1, January 2006, Pages
193-232

Ryan S. Elliott, John A. Shaw, Nicolas Triantafyllidis

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Plastic bifurcation and postbifurcation
analysis for generalized standard continua

Journal of
the Mechanics and Physics of Solids
, Volume 37, Issue 5, 1989,
Pages 545-566
Son Q. Nguyen, Nicolas Triantafyllidis

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Worst shapes of imperfections for space
trusses with many simultaneously buckling members

International
Journal of Solids and Structures
, Volume 29, Issue 19, 1992,
Pages 2385-2402
Ralf Peek, Nicolas Triantafyllidis

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Stability of thermally-induced martensitic
transformations in bi-atomic crystals

Journal of the
Mechanics and Physics of Solids
, Volume 50, Issue 11, November
2002
, Pages 2463-2493
Ryan S. Elliott, John A. Shaw, Nicolas Triantafyllidis

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On stability and the worst imperfection
shape in solids with nearly simultaneous eigenmodes

International
Journal of Solids and Structures
, Volume 29, Issue 18, 1992,
Pages 2281-2299
Nicolas Triantafyllidis, Ralf Peek

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Onset of necking in electro-magnetically
formed rings

Journal of the Mechanics and Physics of
Solids
, Volume 52, Issue 9, September 2004, Pages
2127-2148

Nicolas
Triantafyllidis,
Joshua R. Waldenmyer

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Michele Ciavarella, Politecnico di BARI - Italy, Rector's delegate.
http://poliba.academia.edu/micheleciavarella
Editor, Italian Science Debate, www.sciencedebate.it
Associate Editor, Ferrari Millechili Journal, http://imechanica.org/node/7878

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