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Multiscale failure of laminated composites using the boundary element method

Grant number: 12/24297-0
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): April 01, 2013
Effective date (End): February 15, 2016
Field of knowledge:Engineering - Mechanical Engineering - Mechanics of Solids
Principal Investigator:Paulo Sollero
Grantee:Rene Quispe Rodriguez
Host Institution: Faculdade de Engenharia Mecânica (FEM). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated scholarship(s):13/09856-5 - Multiscale failure analysis of laminated composites using the Boundary Element Method, BE.EP.DR


This project has as its main objective the construction of computational tools capable offacilitating multiscale failure analysis in laminated composites through analytical and numerical modelling. Failure will be analyzed by two multiscale approaches. In the local approach, imperfections, such as voids, microcracks or delaminations, are numerically adressed. Then, using homogenization models or energy-based strategies, scales are coupled. In the global approach, imperfections are introduced by statistical parameters. Then, scales are coupled using homogenization models. At the macroscale it will be used the anisotropic and the transversely isotropic 3D fundamental solutions. These solutions, for being analytical, imply in computational gain when they are compared with similar numerical solutions. Additionally, aceleration techniques will be used for the BEM, such as the Adaptive Cross Approximation - ACA. The combination of the analytical 3D transversely anisotropic solution with ACA will result in a substancial memory and processing speed gain, that is of main importance when big problems are being analized, such as multiscale problems. Is proposed herewith also a one-year intership at Universita degli studi di Enna "Kore", under the supervision of Dr. Alessandro Brancati, expert in BEM aceleration methods.

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Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
RODRIGUEZ, Rene Quispe. Multi-scale failure analysis of laminated composites using the boundary element method. 2016. Doctoral Thesis - Universidade Estadual de Campinas (UNICAMP). Faculdade de Engenharia Mecânica Campinas, SP.

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