Dr. Cristian Făciu
Senior Researcher at the Institute of Mathematics ‘’Simion Stoilow’’ of the Romanian Academy,
Last update: January 15, 2010
Contentso Awards o Participations at international scientific meetings |
Mailing address:
Institute of Mathematics of the
P.O. Box 1-764, RO-014700,
Fax: + 4021/319 65 06
Phone home: +4021/231 87 54
E-mail
: Cristian.Faciu@imar.ro
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Research interest:
· Rate-type constitutive equations in viscoplasticity.
· Wave propagation theory.
· Dynamic problems in elasto-viscoplasticity; modeling and numerical solutions.
· Phase transitions in solids and fluids.
· Plastic instabilities, localization phenomena.
· Gradient theories and the patterning of deformation.
· Numerical methods for hyperbolic partial differential equations.
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Education:
- 1989
- Ph. D. in Mathematics (Mechanics), Central
Title : An energetic study of some initial-boundary value problems in viscoplasticity"
Advisor: Prof. I. Suliciu.
Committee: Prof. E. Soós, Prof. N. Cristescu, Prof.
H. Ene.
Examination Fields:
Phenomenological thermodynamics with applications in solid mechanics.
Wave propagation theory. (examiners: Prof. I. Suliciu, Prof. E. Soós, Prof. H. Ene)
Initial-boundary value problems for hyperbolic systems and numerical
methods. (examiners: Prof. A. Halanay, Prof. I.
Suliciu, Prof. H. Ene)
- 1980
- Master (or, equivalent) in Solid Mechanics ,
- 1979
- Diploma in Mathematics,
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Postdoctoral stages:
- Bourse de haut niveau accordée par le Ministère de la Recherche et de
la Technologie de France à l’Institut National Polytechnique de Grenoble, Laboratoire
Génie Physique et Mécanique des Matériaux, France, November
1990 – October 1991.
- Alexander von Humboldt Research
Fellowship at Technische Universität
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- - 1980 - 1983 mathematician
at the Department of Mathematics of the National Institute for Scientific
and Technical Creation (INCREST),
- - 1983 - 1990 research fellow at the same department.
- - 1990 - 1994 principal
research fellow at the
- - 1994 - $~~~~$ senior research fellow at the same Institute.
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Professional
affiliation
EUROMECH
– European Mechanics Society
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· "Spiru Haret" prize of the
· Prize for Excellence in Research of the Romanian Society of Mathematicians, for the papers published in 1996.
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Session organizer:
- Minisymposium: Strain localization
and phase transition phenomena, 4th EUROMECH Solid Mechanics Conference,
- Minisymposium: Mécanique du Solide, 8ième Colloque
Franco-Roumain de Mathématiques Appliquées, Chambéry, 28 August - 1 September, 2006.
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- Université de Metz (Laboratoire de
Physique et Mécanique des Matériaux), September
2002, March 2003, June 2004, April 2005, September 2006, September
2007, July 2008, January 2009 (Professor Alain Molinari).
- Université de Poitiers (Laboratoire
de Mécanique des Solides), Mai 2006 (Professor
Claude Vallée)
- Ecole Polytechnique Fédérale de
Lausanne, (programme SCOPE) December 2003, (Professor
Tudor Ratiu).
- Ecole Centrale de Lyon, Département
de Mécanique des Solides, Mai 2000, Avril 2002, May 2004 (Professor Francois Sidoroff).
- Technische Universität München, Zentrum Mathematik (Sonderforschungsbereich 438), October & November 2002 (Professor M. Brokate).
- Associate Professor at the Université de
Metz, Laboratoire Physique et Mécanique des Matériaux, France,
April 1996 - July 1996; April 1997 - July 1997; April 1998 - July 1998.
- Université de Metz, Laboratoire de
Physique et Mécanique des Matériaux, November1991 - January
1992. (Professor Alain Molinari)
·
Semester of mechanics, Banach Center, Warsaw,
Poland, May 1981.
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Participations at international scientific meetings:
·
Euromech 175, "Viscoplasticity
and Applications", September, 6-10, 1983,
Riemann and Goursat
problems for one-dimensional classical plasticity.
·
The XIIth Symposium "Vibrations '86", Poznan, Poland,
May, 15-17, 1986.
Riemann and Goursat problems in one-dimensional classical plasticity
and their use for a numerical scheme of Godunov type.
·
"The 27th
Polish Solid Mechanics Conference" and "Symposium of Inelastic Solids
and Structures",
The free
energy function and some energy estimation in one-dimensional dynamic viscoelasticity.
·
Euromech 263, "The effect of phase transformations in
solids on constitutive laws", July, 2-4, 1990,
Some aspects
in modelling phase transitions by means of rate-type
constitutive equations.
·
Euromech 282, 'Microscopic and macroscopic plastic deformation
instabilities", July 7-11, 1991,
The modelling of softening and strain-localization by rate-type
constitutive equations.
·
The European
Symposium "Martensitic Transformations and Shape
Memory Properties",
Stress
induced phase transformations in rate-type viscoelasticity.
·
The 18th
International Congress of Theoretical and Applied Mechanics, Minisymposyium on "Instabilities in Solid and
Structural Mechanics",
Initiation
and growth of strain bands in rate-type viscoelastic
materials.
·
International Seminar MECAMAT '95,
"Mechanisms and Mechanics of Solid-Solid Phase Transformations", May,
16-19, 1995, La
Evolution of layered structures in a
gradient-dependent viscoplastic material.
·
Istituto Nazionale di Alta Matematica Meeting "
Mathematical Problems in the Thermodynamics of Continuous Systems",
A non-local
rate-type approach compatible with the unmodi_ed
continuum thermodynamics. Phase transition applications.
·
IUTAM Symposium
on Material Instabilities in Solids,
A new
rate-type gradient-dependent viscoplastic approach
for the Portevin-LeChatelier effect.
·
EUROMECH-MECAMAT,
2nd European Mechanics of Materials Conference, Mechanics of Materials with
Intrinsic Length Scale,
A new
rate-type gradient-dependent viscoplastic approach to
the kinetics of the Portevin-LeChatelier bands. Numerical
vs. physical experiments.
·
EUROMECH Solid
Mechanics Conference,
A Maxwellian approach for austenite-martensite
phase transformation induced by longitudinal impact.
·
IUTAM Symposium
on Material Instabilities and the Effect of Microstructure,
A rate-type
thermo-viscoelastic approach for shape memory alloys.
·
Workshop on Shape
Memory Alloys,
On a
rate-type thermo-mechanical model for shape memory bars. Strain-controlled
problems.
·
NATO Advanced ResearchWorkshop, New Trends in Phase Transformations and
their Applications to Smart Structures, Avril 23 -26,
2002,
Non-equilibrium
thermodynamics of pseudo-elasticity and shape memory effect a rate-type
constitutive approach.
·
Sudosteuropa-Tagung "Wissenschaftsdialog
in Sudosteuropa zum Thema Neue Technologien",
On modeling
shape memory alloys - a continuum rate-type approach.
·
EUROMECH Solid
Mechanics Conference,
On describing
thermo-mechanical instabilities accompanying phase transitions.
· 21st International Congress of Theoretical and Applied Mechanics, Warsaw, Poland, 15 - 21 August, 2004, Session “Mechanics of phase transformations”.
On modeling the longitudinal impact of two
shape memory bars.
·
7i_ème Colloque Franco-Roumain de Mathématiques
Appliquées, Craiova, Roumanie, 30 août - 3 septembre, 2004.
Invited speaker: Transformation de phases induite par
l'impact longitudinal des barres. Structure des ondes.
·
8i_ème Colloque Franco-Roumain de Mathématiques
Appliquées, Chambéry, France, 28 août -1er, septembre 2006.
Sur la propagation des ondes dans les fils extensibles en
alliage à mémoire de forme.
·
The 10th European
Mechanics of Materials Conference, Multi-phases and multicomponents
materials under dynamic loading, June 11-14, 2007
Key-note
lecture: On impact induced propagating
phase boundaries. Thermal effects.
·
Euromech Colloquium 498, Nonlinear Dynamics of Composite and
Smart Structures, May 21-24,
Wave
propagation and phase nucleation in phase-transforming strings.
·
9i_ème Colloque Franco-Roumain de Mathématiques
Appliquées, Chambéry, Brasov, 28 août -2, septembre 2008.
The Goursat and Riemann problems for non-monotone elastic
strings.
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Scientific and teaching activities
I have participated at permanent research seminaries in the field of
interest at the Faculty of Mathematics and Mechanics of the
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- C. Făciu and M. Mihăilescu-Suliciu, On modelling exothermic/endothermic phase transformations in shape memory alloys, pp. 41-85, in L. Badea, C. Faciu, L. Gratie, M. Mihailescu-Suliciu, D. Polisevski and N. Simion, Current Topics in Continuum Mechanics, Vol. II, Ed. Lazar Dragos, Editura Academiei, Bucharest, ISBN 973-27-0952-9, 2004. PS file
- C. Făciu, Cinematic aspects in drawing problem (in Romanian), Studii si Cercetari de Mecanica Aplicata,
2: 265-274, 1981. PDF file
- C. Făciu,
Riemann and Goursat problems for one-dimensional
classical plasticity, International Journal of Engineering Science, 21(10):
1215-1229, 1983. PDF file
- C. Făciu,
On thermodynamic restrictions for the Navier-Stockes-Fourier
fluids, Studii si Cercetari Matematice (Mathematical reports), 5:
447-456, 1985. PDF file
- C. Făciu, Riemann and Goursat problems for one dimensional plasticity theory with isotropic work hardening, Revue Roumaine des Sciences Techniques. Serie de Mécanique Appliquée, 2:157-170, 1986. PDF file
- C. Făciu and M. Mihăilescu-Suliciu, The energy in one dimensional rate-type semilinear viscoelasticity, International Journal of Solids and Structures, 11: 1505-1520, 1987. PDF file
- C. Făciu, An energetic study of some
initial-boundary value problems in viscoplasticity,
Ph. D. Thesis, Central Institute of Mathematics,
- C. Făciu and M. Mihăilescu-Suliciu, Convex and non-convex energy in three dimensional rate-type semilinear viscoelasticity, International Journal of Engineering Science, 29: 549-559, 1991. PDF file
- C. Făciu, Energy estimates in three-dimensional rate-type semilinear viscoelasticity with non-convex free energy, International Journal of Engineering Science, 29: 1085-1101, 1991. PDF file
- C. Făciu, Numerical aspects in modelling phase transitions by rate-type constitutive equations, International Journal of Engineering Science, 29: 1103-1119, 1991. PDF file
- C. Făciu, Stress induced phase transformations in rate-type viscoelasticity, Journal de Physique IV, 1: 101-106, 1991. PDF file
- C. Făciu and I. Suliciu, A Maxwellian model for pseudoelastic materials, Scripta Metallurgica et Materialia, 31, 1399-1404, 1994. PDF file
- C. Făciu and A. Molinari, Evolution of layered structures in a gradient-dependent viscoplastic material, Journal de Physique IV, 6, 45-54, 1996. PDF file
- C. Făciu, Initiation and growth of strain bands in rate-type viscoelastic materials. Part I: Discontinuous strain solutions, European Journal of Mechanics. A/Solids, 15, 969-988, 1996. PDF file
- C. Făciu, Initiation and growth of strain bands in rate-type viscoelastic materials. Part II: The energetics of the banding mechanism, European Journal of Mechanics. A/Solids, 15: 989-1011, 1996. PDF file
- C. Făciu and A. Molinari, A non-local rate-type viscoplastic approach to patterning of deformation, Acta Mechanica, 126: 71-99, 1998. PDF file
- C. Făciu, A. Molinari, M. Dablij, and A. Zeghloul, A new rate-type gradient-dependent viscoplastic approach to the kinetics of the Portevin-Le Châtelier bands. Numerical vs. physical experiments, Journal de Physique IV, 8: 143-150, 1998. PDF file
- C. Făciu and
- C. Făciu, Stability of infinitesimal motions of rate-type semilinear viscoelastic solids. A non-isolated body problem. Revue Roumaine Mathématiques Pures et Appliquées, 45: 241-250, 2000. PDF file
- C. Făciu and M. Mihăilescu-Suliciu, On modelling phase propagation in SMAs by a Maxwellian thermo-viscoelastic approach, International Journal of Solids and Structures, 39: 3811-3830, 2002. PDF file
- C. Făciu and M. Mihăilescu-Suliciu, On a rate-type themomechanical model for shape memory bars. Stress-controlled problems. Zeitschrift fűr angewandte Mathematik und Physik ZAMP, 53: 1014-1025, 2002. PDF file
- C. Făciu and A. Molinari, On the longitudinal impact of two phase transforming bars. Elastic versus a rate-type approach. Part I: The elastic case, International Journal of Solids and Structures, 43: 497-522, 2006. PDF file
- C. Făciu and A. Molinari, On the longitudinal impact of two phase transforming bars. Elastic versus a rate-type approach. Part II: The rate-type case, International Journal of Solids and Structures, 43: 523-550, 2006. PDF file
- C. Făciu
and M. Mihăilescu-Suliciu, Phase nucleation and wave propagation in
phase-transforming strings. A rate-type approach, International Journal of Non-Linear Mechanics, doi:10.1016/j.ijnonlinmec.2009.11.008. PDF file
- C. Făciu and M. Mihăilescu-Suliciu, Shape Memory Effect: A Maxwellian rate-type constitutive approach, pp. 139-145, In "New Trends in Continuum Mechanics'', Conference Proceedings Constanța, Romania, Theta Publisher, Bucharest, ISBN 073-85432-5-8, 2005. PS file
- C. Făciu and A. Molinari, On modeling the longitudinal impact of two shape memory bars in ''Mechanics of the 21{st} Century'', Proceedings of the 21st International Congress of Theoretical and Applied Mechanics, Warsaw, Poland, 2004, Eds. W. Gutkowski and T.A. Kowalewski, 11852.pdf, Springer 2005, ISBN-10 1-4020-3559-4 (e-book), CD-Rom ISBN-1-4020-3456-3. PDF file
- C. Făciu
and A. Molinari, On impact induced propagating phase boundaries. Thermal
effects, pp. 27-40, Eds. W. K. Nowacki, Han
Zhao, Proceedings of the 10th European Mechanics of Materials Conference,
Multi-phases and multi-components materials under dynamic loading, June
11-14, 2007 Kazimierz Dolny,
Poland, ISBN 978-83-89687-16-6, Publisher IPPT - Polish Academy of
Sciences, 2007. PDF file
- C. Făciu
and M. Mihăilescu-Suliciu, On the dynamics of strings made of shape memory
alloys, pp. 255-262, Proceedings of the Annual Symposium of the
· C. Făciu and M. Mihăilescu-Suliciu, Wave propagation and phase nucleation in phase-transforming strings, pp. 154-158, In Nonlinear Dynamics of Composite and Smart Structures, Conference Proceedings Euromech Colloquium 498, Eds. J. Warminski, M.P. Cartmell, J. Latalski, Kazimierz Dolny, Poland, May 21-24, ISBN 978-83-88691-35-5, 2008.
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