Current Topics in Finite Element Approaches

DIPARTIMENTO
DI MECCANICA
Università di
Udine
CORSO DI ECCELLENZA / EXCELLENCE COURSE
“Current Topics in Finite Element Approaches
Applied to Mechanical and Mechatronic Systems”
Proposed within the frame of teaching staff exchange program 2011
Prof. Mircea Gheorghe
Munteanu
Professor
Università degli Studi di Udine
Former Professor at University of
Brasov, Romania
Prof. Naman Recho
Professor
ERMESS/ EPF
Ecoles d'Ingenieurs, Sceaux, France
LaMI, University Blaise Pascal,
Clermont II, France
(ERASMUS Partner)
Course Coordinator:
Prof. Eugenio Brusa
Dipartimento di Meccanica
Dottorato di Ricerca in Meccanica
Coordinatore del Dottorato:
Prof. Luigi Garibaldi
Italy Section
Suggested and indexed by ASME Italy Section
Index of contents and preliminary program
Location
Course shall be held at Dipartimento di Meccanica,
Sala Riunioni /meeting room – III piano / floor on June 2011.
Preliminary program
ƒ June 1st, 2011: 10.00 to 12.00
E. Brusa – Introduction: Systems with multiple coupling effects in mechanical and
mechatronic engineering, multi-field approach, nonlinearities. Main goals of design
and challenging issues for numerical methods. Electro-thermo-mechanical coupling in
industrial projects.
PART ONE Multiple coupling effects and nonlinearity of complex systems
ƒ June 9, 2011: 9.00 to 12.00
M. Gh- Munteanu – FEM analysis of nonlinear system: Geometric nonlinearities
and nonlinear loading, large displacement in beamlike systems, analytical models,
application of FEM, development of alternate approaches. The SFET finite element for
large displacement and non conservative nonlinear loading conditions.
ƒ June 10, 2011: 9.00 to 12.00
M. Gh- Munteanu – FEM analysis of multiple coupled system: Compliant
mechanisms, microelectromechanical systems as an example of multiple coupling.
FEM investigations for static and dynamic analyses. Interaction among thermal,
electrical and mechanical phenomena.
ƒ June 16, 2011: 10.00 to 11.00
E. Brusa – Experimental validation of FEM models: Multi-physic systems at
macro and micro scale and related experimental investigations. Goals, tools, model
updating and validation. Industrial examples of FEM model validation and concurrent
design based on experimental and numerical activities.
PART TWO Fracture Mechanics and advanced use of Finite Element Method
ƒ June 16, 2011: 11.00 to 12.00
E. Brusa – Introduction: Towards detailed prediction of structural reliability,
damage mechanics and safety of multi-physic systems with multiple coupling.
ƒ June 21, 2011: 9.00 to 12.00
N. Recho – Classical approaches to Fracture Mechanics: Crack process, singular
fields in Continuum Mechanics, significance of the Stress Field near a Local Effect,
Stress, Strain and Displacement Fields near a Crack in Elastic Media, and in ElasticPlastic Media. – Crack Extension Criteria: TS transition criterion, Bifurcation angle
criterion, Initial propagation criterion.
ƒ June 22, 2011: 9.00 to 12.00
N. Recho – Crack Propagation Law: crack propagation law definition, propagation
and crack extension of a fatigue mixed-mode crack. – Finite Element Modelization
of the Stress Singular Field Close to the Crack Tip: Local Methods (« Core
Element », « Enriched Element »), Energetic Methods (Method of Finite Variation,
Contour-Integrals, Other Integrals/Decoupling of Fracture Modes), Non-linear
Behaviour (power behaviour law, multi-linear behaviour law, relation between COD
and J-integral) – Special Finite Elements for cracked structures: Study of a Finite
Element Program using Local Methods. Calculation of J-integral in Mixed Mode
Fracture.
ƒ June 23, 2011: 10.00 to 12.00
N. Recho - Various Meshing Techniques and Re-meshing during Crack
Propagation: X-FEM Method (eXented Finite Element Modelling), Crack Box
Technique. Other methods. Some Applications: Prediction of crack propagation:
Procedures and resolution techniques, application to various media (multi-material
problems, cracks in composites, elastic-plastic materials, damaged materials),
propagation and bifurcation of a mixed-mode crack in static and fatigue domains,
Future work: BIE-Method, The Notch Stress Intensity approach to predict fatigue
strength of welded joints.
ƒ June 28, 2011: 10.00 to 12.00
E. Brusa - Written test for credits attribution.
Room location
Dip. Meccanica, Sala Riunioni
Scale ingresso Corso Einaudi: III piano
(floor); comporre il 6900 per farsi aprire
(deal 6900 to call prof. Brusa)
About coordinator
Eugenio Brusa
Associato, ING-IND/14 – Prog. Meccanica e Costruzione di macchine
Dipartimento di Meccanica
Politecnico di Torino
tel. 090 6900 fax. 090 6999
e-mail: [email protected]
http://www.dimec.polito.it/en/personale/scheda/(nominativo)/eugenio.brusa
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Aeronautical Engineer (M.Sc.), Politecnico di Torino, 1993
Ph.D. Machine Design, 1997.
February 1998 to October 2001 - Assistant professor of Machine Design, Dept. Mechanics,
Politecnico di Torino, head of Laboratory for spinning test of rotors.
November 2001 to October 2008 - University of Udine (Italy), Dept. Electrical, Management and
Mechanical Engineering, head of Mechatronic Section of Laboratory for Ubiquitous and Pervasive
Technologies and Technical Director of Master in Project Management.
Since November 2002 - Associate Professor of Machine Design.
On 2010 he was positively evaluated by a national Committee to appoint full professor.
Instructor of Mechanics of Materials, Numerical Methods in Eng. and Mechanical Design.
He is author of more than 130 scientific papers, some contributions to books on Structural
Mechatronics and two patents. Coauthor of Microsystem Mechanical Design, Springer, 2006 and
MEMS: Technology, Fabrication Processes and Applications, Nova Science, 2010.
He belongs Laboratory of Microsystems design and characterization and Laboratory of Railways
systems dynamics and construction, within Dept. Mechanics.
He was awarded by the Italian Society for Stress Analysis, on 1999, by Young Scientist Award
“Capocaccia”.
He is currently Vice Chair of ASME Italy section.
International collaborations: University of Illinois at Chicago (1997-2004) (practice hours within
courses held at Politecnico di Torino), Visiting professor at TU Delft (2000), TU Helsinki (2002), TU
Muenchen (2009), Université “Blaise Pascal”, Clermont Ferrand (2005), Ecole EPF, Sceaux (2007 &
2010), CNRS (2007), Institute Marie Curie, Paris (2010); associate coordinator of “First European
School on Mechatronics and Microsystems”, Universiteit Carolo-Wilhelmina am Braunschweig
(2006).
About speakers
Mircea Gh. Munteanu, MEng, Ph.D.
Ordinario, ING-IND/14 – Progettazione Meccanica e costruzione di
macchine
Università degli Studi di Udine
Dipartimento di Ingegneria Elettrica, Gestionale e Meccanica (DIEGM)
Via delle Scienze, 208 - 33100 Udine (UD) - Italy
tel. +39 0432 558243 fax. +39 0432 558251
e-mail: [email protected]
http://www.diegm.uniud.it/munteanu/
Education
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Ph.D., Applied Mechanics, Transylvania University of Brasov, Romania, July 1979.
Computer Aided Engineering, Polytechnic University, Bucharest, Romania, May-August, 1973.
M.Eng., Mechanical Engineering, Transylvania University of Brasov, Romania, July 1968.
Professional Experience:
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Università degli Studi di Udine, DIEGM, 2007 – present.
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Transylvania University of Brasov, Romania, 1979 – 2006
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IAR Aeronautics, Brasov Romanian, R&D Engineer, 1970 – 1979.
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National Research and Design Institute for Motor Vehicles, Brasov, Romania, Sept. 1969-Aug. 1970.
International collaborations (visiting professor):
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University of Victoria (UVIC), Victoria BC, Canada, 2008.
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HAMK, Finland, 2006 and 2007.
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Università degli Studi di Udine, Italy, 1996 – 2006.
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IFMA (Institut Français de Mécanique Avancée), Clermont-Ferrand, France, 2001-2003, 2004-2005.
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McGill University, Montreal, Canada, 2005.
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ENSAM (Ecole Nationale Supérieure d’Arts et Métiers), Paris, France, 1999, 2000.
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ICGEB (International Centre for Genetic Engineering and Biotechnology), Trieste, Italy, 1999.
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SINCROTRONE, Trieste, Italia, 1995-1996.
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ICGEB, Trieste, Italy, 1996.
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SINCROTRONE, Trieste, Italia, European program PECO ERBCIPDCT940090, 1994 - 1996.
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Queen Mary and Westfield College, London, UK, European program TEMPUS JEP 3543, 19921995.
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Politecnico di Torino, Italy; INSA, Lyon, France, European program TEMPUS JEP 2934, 1991-1994.
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Politecnico di Torino, Italy, 1990.
Publications and awards:
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More than150 scientific publications and several textbooks
"Alberto Castigliano" Medal awarded by Politectico di Torino, Italy for excellence in research.
Professor Naman Recho
ERMESS/ EPF-Ecoles d'Ingenieurs, Sceaux and
LaMI, University Blaise Pascal, Clermont II-France
E-mail: [email protected]
Naman Recho is Professor at the University Blaise Pascal in Clermont Ferrand, France
abd head of ERMESS- Research laboratory (Equipe de Recherche en Mécanique et
Securité des Structures) at EPF Engineering school in Sceaux, France.
He has worked extensively with conceptual and applied aspects of fracture mechanics,
with welded offshore structures and reliability analysis of cracked structures. He also
teaches at Centre des Hautes Etudes de la Construction, Paris, and is guest Professor
at Hefei University of Technology in China.
Professor Naman Recho was educated at the French University of Pierre and Marie
Curie in Paris. He graduated in this university as Doctor Engineer in 1980 and
"Docteur d'Etat Es-Sciences Physiques" in 1987. He is full Professor since 1988. He
was delegate (Délégation CNRS) at National Centre of Scientific Research in Paris from
2005 to 2007 and wrote three textbooks within Fracture Mechanics and Fatigue
Analysis.
In the recent 10 years, he directed several theses dealing with fracture mechanics and
fatigue design of welded joints and participated into several research programs with
industries.
Naman RECHO
ERMESS/ EPF-Ecoles d’Ingénieurs, Sceaux and
LaMI, University Blaise Pascal, Clermont II, France.
[email protected]
[email protected]
Suggested references:
Tom Lassen and Naman Recho
Fatigue life analyses of welded structures
ISTE, London, 2006; ISBN 1-905209-54-1
(for contents of Prof. Recho’s lectures)
Eugenio Brusa
“Design for reliability of micromechatronic structural systems”
Chap.
2
in
“MEMS:
Technology,
Fabrication
Processes
and
Applications”,
Edited by Britt Ekwall and Mikkel Cronquist, Nova Science Publishers, ,
Hauppauge NY, USA; 2010, ISBN: 978-1608764747
(examples of multiple coupling and related design issues)
ATTENDANCE
Participants are kindly requested of
sending an email to
[email protected]
to announce their attendance
preferably within May, 15 - 2011