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Evolutionary Structural Optimization in Problems of Fluid-Structure Interaction

Grant number: 11/09730-6
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): April 01, 2012
Effective date (End): September 30, 2015
Field of knowledge:Engineering - Mechanical Engineering - Mechanics of Solids
Principal Investigator:Renato Pavanello
Grantee:Renato Picelli Sanches
Host Institution: Faculdade de Engenharia Mecânica (FEM). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated scholarship(s):12/09578-2 - Evolutionary structural optimization in problems with fluid-structure interaction, BE.EP.DR


The main objective of this project is the development of a computational tool for analysis and design of multiphysical systems with fluid-structure interaction. It is intended to develop a methodology for evolutionary optimization methods associated with the Finite Element Method in structural, fluidic and acoustic coupled problems. The aim is to obtain a numerical tool for topology optimization of fluid-structure systems. The heuristic methods ESO/BESO (Evolutionary Structural Optimization/Bi-directional Evolutionary Structural Optimization) of evolutionary topology optimization will be studied considering static and dynamic criteria with their respective constraints, i.e., of displacements and forces for the solid field and the flow for the fluid field. The classic method SIMP, based on mathematical programming techniques, will be also implemented to this kind of application and compared with the proposed evolutionary methodology. This proposal also concerns about the use of hexagonal finite element meshes in order to eliminate checkerboard problems and to obtain topologies with smoother contours. The applications proposed for this study are wide. Emphasis will be given to cases with representative models of fluid-structure coupled systems for compressible and incompressible fluids, micro-fluidic systems, dynamic analysis of tanks/reservoirs and added mass problems in submerged structures.

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Scientific publications (5)
(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)
PICELLI, R.; VAN DIJK, R.; VICENTE, W. M.; PAVANELLO, R.; LANGELAAR, M.; VAN KEULEN, F.. Topology optimization for submerged buoyant structures. ENGINEERING OPTIMIZATION, v. 49, n. 1, p. 1-21, . (13/08293-7, 11/09730-6)
VICENTE, W. M.; ZUO, Z. H.; PAVANELLO, R.; CALIXTO, T. K. L.; PICELLI, R.; XIE, Y. M.. Concurrent topology optimization for minimizing frequency responses of two-level hierarchical structures. COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING, v. 301, p. 116-136, . (13/08293-7, 11/09730-6, 13/20022-9)
PICELLI, R.; VICENTE, W. M.; PAVANELLO, R.. Evolutionary topology optimization for structural compliance minimization considering design-dependent FSI loads. FINITE ELEMENTS IN ANALYSIS AND DESIGN, v. 135, p. 44-55, . (15/18607-4, 13/08293-7, 13/00085-6, 11/09730-6)
PICELLI, R.; VICENTE, W. M.; PAVANELLO, R.. Bi-directional evolutionary structural optimization for design-dependent fluid pressure loading problems. ENGINEERING OPTIMIZATION, v. 47, n. 10, p. 1324-1342, . (13/08293-7, 11/09730-6)
PICELLI, R.; VICENTE, W. M.; PAVANELLO, R.; XIE, Y. M.. Evolutionary topology optimization for natural frequency maximization problems considering acoustic-structure interaction. FINITE ELEMENTS IN ANALYSIS AND DESIGN, v. 106, p. 56-64, . (13/08293-7, 11/09730-6, 13/20022-9)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
SANCHES, Renato Picelli. Otimização topológica evolucionária de problemas com interação fluido-estrutura. 2015. Doctoral Thesis - Universidade Estadual de Campinas (UNICAMP). Faculdade de Engenharia Mecânica Campinas, SP.

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