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Seminário: Micromechanical Models for Composite Materials and Smart Structures
Dr. Alexander L. Kalamkarov
Department of Mechanical Engineering
Dalhousie University, Canadá

Data: 19/11/2010. 6a Feira
Hora: 10h.
Local: Bloco G, Sala 205, Centro de Tecnologia - UFRJ

Composite materials are widely used in various areas of modern engineering. Mechanical modeling of composites is commonly based on averaging procedure evaluating their effective properties. The review of the existing models for the effective properties of composites will be presented. This will be followed by the author's results in micromechanics of composite materials and thin-walled structures based on the multi-scale asymptotic homogenization method. The developed micromechanical models are applied to the analysis of various practically important composite structures, including 3D grid-reinforced composites with generally orthotropic reinforcements; composite wafer-reinforced shells; grid-reinforced shells, and sandwich shells with cellular cores of different geometrical configurations. The analytical expressions for the effective stiffnesses of the above composite structures will be presented. In particular, one of considered examples represents analytical modelling of the mechanical behavior of carbon nanotubes. Next, the smart materials will be addressed. Smart structures integrate sensors and actuators. They have the ability to respond adaptively to changes in environmental conditions, and therefore significantly increase their functionality and serviceability. The author's results in modeling of smart composite structures will be presented.

Alexander L. Kalamkarov obtained his Master (1975) and PhD (1979) degrees from the Moscow State University, and the Doctor of Sciences degree (1990) from the Academy of Sciences of the USSR. Since 1993 he is a Professor in the Department of Mechanical Engineering at the Dalhousie University in Halifax, Canada. His academic career spans over 35 years in research and university teaching. His research interests belong to Mechanics of solids, composite materials and smart structures. Dr. Kalamkarov has authored 3 research monographs and over 250 papers in the refereed journals and conference proceedings, and he also holds two US patents in the area of smart materials. He has reported his research results at the numerous International Conferences, and has presented 8 invited Keynote Lectures. Dr. Kalamkarov is a member of several editorial and advisory boards in the area of composite materials and smart structures. He is a Fellow of the ASME and a Fellow of the CSME.


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