Panel flutter analysis and optimization of composite tow steered plates

Thiago A.M. Guimarães, Saullo G.P. Castro, Domingos A. Rade, Carlos E.S. Cesnik

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

24 Citations (Scopus)

Abstract

The utter behavior of tow steered composite panels, in which the fiber placement follow curvilinear trajectory, is evaluated. A simple structural model based on Ritz method combined with supersonic aerodynamic piston theory is used to analyze the aeroelastic behavior. Classical lamination plate theory and symmetric stacking sequence are used and the fiber trajectories are defined by Lagrange interpolation functions. The utter stability boundaries for optimal conventional (constant stiffness laminates) layups and non- conventional (variable stiffness laminates) steered panels are numerically compared. The effect of in-plane loads is also accounted for in the aeroelastic analyses.

Original languageEnglish
Title of host publication58th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2017
Number of pages14
DOIs
Publication statusPublished - 2017
Externally publishedYes
Event58th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2017 - Grapevine, United States
Duration: 9 Jan 201713 Jan 2017

Conference

Conference58th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2017
CountryUnited States
CityGrapevine
Period9/01/1713/01/17

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