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Non-linear supersonic panel flutter using the von Karman strain-displacement relation

Grant number: 16/20393-5
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): December 01, 2016
Effective date (End): December 20, 2017
Field of knowledge:Engineering - Aerospace Engineering - Aerospace Structures
Principal Investigator:Flávio Donizeti Marques
Grantee:Douglas Ramalho Queiroz Pacheco
Home Institution: Escola de Engenharia de São Carlos (EESC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
Associated scholarship(s):17/01309-6 - Von Kármán's nonlinear laminated plate model for supersonic flutter analysis, BE.EP.IC


This undergraduate research project proposes the development and computational implementation of a non-linear aeroelastic model for supersonic panel flutter based on first-order piston theory for the aerodynamic forces and the von Kármán non-linear strain measure for plates. The Finite Element Method will be employed to solve the problem through time-domain simulation. There is intention of doing research abroad through the BEPE exchange programme in the University of Porto with the goal of including the mechanical behaviour of laminated composites to the computational model. (AU)

Scientific publications
(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)
PACHECO, DOUGLAS R. Q.; FERREIRA, ANTONIO J. M.; MARQUES, FLAVIO D. On the effects of structural coupling on the supersonic flutter and limit cycle oscillations of transversely reinforced panels. JOURNAL OF FLUIDS AND STRUCTURES, v. 79, p. 158-170, MAY 2018. Web of Science Citations: 9.
PACHECO, D. R. Q.; MARQUES, F. D.; NATARAJAN, S.; FERREIRA, A. J. M. Nonlinear finite element post-flutter analysis of multibay composite panels in supersonic regime. COMPOSITE STRUCTURES, v. 180, p. 883-891, NOV 15 2017. Web of Science Citations: 7.
PACHECO, D. R. Q.; MARQUES, F. D.; FERREIRA, A. J. M. Nonlinear finite element aeroelastic analysis of multibay panels in supersonic flow regime. THIN-WALLED STRUCTURES, v. 120, p. 470-478, NOV 2017. Web of Science Citations: 6.

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