Laboratory of Computational Mechanics Research Activities

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Laboratory of Computational Mechanics Research
Activities
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LMC Laboratory of Computational Mechanics -
Facilities

• 42 Research Positions Worskstations and PCs
• Two Large rooms
• Faculty 20
• Doctoral Students 28
• MSc Students 26
• Undergraduate students involved in research - 12
• Gives support to research and teaching in
  Computational Mechanics

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LMC Laboratory of Computational Mechanics
Research Projects

• Funded by research agencies (FAPESP)
• Nonlinear Structural Dynamics USD 75,000
• Teaching in Structural Engineering USD 46,000
• Research Projects developed in cooperation with
  Industry
• Piston Modeling Mahle Metal Leve USD 30,000
• Consulting

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Example of Interaction with Indsutry Piston
Modeling Mahle Metal Leve - EPUSP

• Introduce Plastic Behavior of the material
• Model Complete Cycle
• Involved a Doctoral and a MSc student

Research Team EPUSP
Prof. Miguel Luiz Bucalem
Estela Mari Ricetti Bueno (Doctoral)
Christian Hideki Furukawa (MSc)
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Mechanical Loading

• Lateral Load

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• Contact Piston-Pin

(mN)
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Elasto-Plastic Cycle

• Plastic Strain

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• Research Cooperation Project developed with
  INRIA-Institut National de Recherche en
  Informatic et en Automatic - Roquencourt France
• Funded by CNPq and INRIA (ProTeM CC)
• Reliability in modeling of thin structures
• Dr. Dominique Chapelle Project Macs
• Locking in Shells

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• Development of Piezoeletric Shell Elements
• Issues Locking and electrical variables
• Pos Doc Dr. Martin Koegl

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Nonlinear dynamics

• Research projects supervised by Carlos E.N.
  Mazzilli

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Computational nonlinear dynamics

• Implementation of nonlinear dynamics formulation
  in FEMOOP (FEM Object Oriented Program) Proper
  Orthogonal Decomposition (POD)
• Pellegrino Neto PhD thesis in preparation

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Nonlinear normal modes

• Evaluation of nonlinear normal modes of vibration
  in finite-element models of planar frames using
  the invariant manifold procedure
• Soares, Mazzilli Computers Structures 77
  (2000) 485-493

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Nonlinear normal modes

• Evaluation of nonlinear normal modes of vibration
  in finite-element models of planar frames using
  the method of multiple scales
• Mazzilli, Baracho Neto Computers Structures 80
  (2002) 957-965

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Model reduction in nonlinear dynamics

• Reduction of nonlinear finite-element models of
  planar frames using the nonlinear normal modes
• Mazzilli, Soares, Baracho Neto Int. J. Solids
  Struct. 38 (2001) 1993-2008

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Nonlinear multimodes

• Evaluation of nonlinear multimodes of vibration
  in systems with internal resonance using the
  method of multiple scales
• Mazzilli, Baracho Neto APM (2002), Saint
  Petersburg, Russia
• Mazzilli, Baracho Neto ICSV9 (2002), Orlando, USA

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Nonlinear multimodes

• Evaluation of nonlinear multimodes of vibration
  in finite element models of planar frames
• Baracho Neto PhD thesis in preparation

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Passive vibration control in cable stayed bridges

• Comparative analysis of Tuned Mass Dampers (TMD)
  and Stayed Viscous-Elastic Dampers (SVED) in
  cable stayed bridges prone to wind induced
  flutter
• Butkeraitis MSc dissertation in preparation

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Design of stabilizing bars in three-axle buses

• Design of stabilizing bars taking into account
  their influence onto lateral inclination and load
  distribution per axle
• Vargas MSc dissertation, EPUSP (2001)
• Vargas, Mazzilli BT/PEF0110 (2001)

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Grupo de Modelagem de Materiais
Coordinator Prof. Dr. Túlio Nogueira
Bittencourt

• Post doctoral students
• José Umberto Arnaud Borges
• PhD students
• Antonio Carlos dos Santos
• Célio Oda Moretti
• Eduardo Parente Prado
• Luis Eduardo T. Ferreira
• Luís Fernando Kaefer
• Rafael Alves de Sousa
• Wang Taikang
• MSc students
• Wayne Santos de Assis
• Gustavo de Assis Guello

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Experimental Investigation
Development of new test methods
Characterization of Quasi-Brittle materials
Structural elements FM approach
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Numerical Modelling
Development of FEM software

• Parallel processing

• Quasi-brittle and
• heterogeneous materials
• Constitutive models
• Lattice models
• Cracking
• cohesive
• LEFM

Development of educational tools
Simulation of evolutive bridge construction