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Multiscale formulations for the computational modeling of membranes

Grant number: 12/04009-0
Support Opportunities:Scholarships abroad - Research
Effective date (Start): September 01, 2012
Effective date (End): August 31, 2013
Field of knowledge:Engineering - Civil Engineering - Structural Engineering
Principal Investigator:Eduardo de Morais Barreto Campello
Grantee:Eduardo de Morais Barreto Campello
Host Investigator: Tarek Ismail Zohdi
Host Institution: Escola Politécnica (EP). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Research place: University of California, Berkeley (UC Berkeley), United States  

Abstract

Membranes are structural systems widely used in engineering. Most of the materials employed in these systems exhibit a multiscale structure, and the rigorous study of its mechanical behavior requires that all these scales be adequately considered. This post-doc research project aims to use the concepts of Micromechanics and Computational Mechanics to develop multiscale numerical strategies for the computational modeling of membranes. Especially, structural membranes and certain types of biological tissues are to be considered. The proposed approach is based on the mechanical characterization of each material scale, taking into account possible interactions between them. Homogenization methods are to be adopted and/or developed in order to arrive at macroscopic constitutive descriptions for the different membrane systems. These descriptions, in the form of constitutive equations, may be implemented within structural analysis computational tools (such as finite element analysis and design programs), and may also be used as predictive models in the computational design of new materials for membrane systems. This project also aims to motivate the starting of a new line of research within the Department of Structural and Geotechnical Engineering of the University of São Paulo, which is, micromechanical and multiscale computational modeling for the development of new materials, with initial focus on (but not restricted to) membrane applications. (AU)

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Scientific publications (7)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
GONCALVES, FERNANDO R.; CAMPELLO, EDUARDO M. B.. Orthotropic material models for the nonlinear analysis of structural membranes. Journal of the Brazilian Society of Mechanical Sciences and Engineering, v. 36, n. 4, p. 887-899, . (12/04009-0)
ZOHDI, TAREK I.; CAMPELLO, EDUARDO M. B.. ON PRESSURIZED FUNCTIONALIZED PARTICLE-LADEN FLUID INFILTRATION INTO POROUS MEDIA. INTERNATIONAL JOURNAL FOR MULTISCALE COMPUTATIONAL ENGINEERING, v. 17, n. 2, p. 223-237, . (12/04009-0)
CAMPELLO, EDUARDO M. B.; LAGO, LEONARDO B.. Effect of higher order constitutive terms on the elastic buckling of thin-walled rods. THIN-WALLED STRUCTURES, v. 77, p. 8-16, . (12/04009-0)
CAMPELLO, EDUARDO M. B.. A computational model for the simulation of dry granular materials. INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS, v. 106, p. 89-107, . (12/04009-0)
CAMPELLO, EDUARDO M. B.; ZOHDI, TAREK I.. A computational framework for simulation of the delivery of substances into cells. INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN BIOMEDICAL ENGINEERING, v. 30, n. 11, p. 1132-1152, . (12/04009-0)
CAMPELLO, EDUARDO M. B.. Computational modeling and simulation of rupture of membranes and thin films. Journal of the Brazilian Society of Mechanical Sciences and Engineering, v. 37, n. 6, p. 1793-1809, . (12/04009-0)
CAMPELLO, EDUARDO M. B.; ZOHDI, TAREK I.. Design Evaluation of a Particle Bombardment System Used to Deliver Substances into Cells. CMES-COMPUTER MODELING IN ENGINEERING & SCIENCES, v. 98, n. 2, p. 221-245, . (12/04009-0)

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