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Design and Analysis of Integrally and Riveted Stiffened Panel

Muhammad Adeel

ISBN 10: 3845422904 / ISBN 13: 9783845422909
Published by LAP Lambert Academic Publishing
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Paperback. 124 pages. Dimensions: 8.7in. x 5.9in. x 0.3in.In this research first the analysis of integrally stiffened panel has been made using FE code ANSYS. Hoop, Axial and Radial stress are calculated for the stiffened panel subjected to internal pressure. Secondly, crack growth characteristics of the integrally stiffened panel and conventional stiffened panel based on fracture mechanics and FE analysis are investigated. A fourteen-stringer stiffened panel is analyzed for a central skin crack propagating towards the adjacent stringers. Stress intensity factors and fatigue crack propagation rates of both types of the stiffened panels are then compared. The analyses result show that integral stiffening cause higher stress intensity factor than conventional stiffened panel as the crack tip passes through the stringer and the integral stiffened panel has less damage tolerance capability than the riveted stiffened panel. Finally, the FE analysis of repaired integrally stiffened aluminum alloy panel with a circumferential crack has performed in ANSYS. The analysis results depict that the maximum von Mises stress in each component of the repaired panel is below the yield strength of the Al alloy so the repaired method is successful. This item ships from multiple locations. Your book may arrive from Roseburg,OR, La Vergne,TN. Bookseller Inventory # 9783845422909

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Bibliographic Details

Title: Design and Analysis of Integrally and ...

Publisher: LAP Lambert Academic Publishing

Binding: Paperback

Book Condition: New

Book Type: Paperback

About this title

Synopsis:

In this research first the analysis of integrally stiffened panel has been made using FE code ANSYS. Hoop, Axial and Radial stress are calculated for the stiffened panel subjected to internal pressure. Secondly, crack growth characteristics of the integrally stiffened panel and conventional stiffened panel based on fracture mechanics and FE analysis are investigated. A fourteen-stringer stiffened panel is analyzed for a central skin crack propagating towards the adjacent stringers. Stress intensity factors and fatigue crack propagation rates of both types of the stiffened panels are then compared. The analyses result show that integral stiffening cause higher stress intensity factor than conventional stiffened panel as the crack tip passes through the stringer and the integral stiffened panel has less damage tolerance capability than the riveted stiffened panel. Finally, the FE analysis of repaired integrally stiffened aluminum alloy panel with a circumferential crack has performed in ANSYS. The analysis results depict that the maximum von Mises stress in each component of the repaired panel is below the yield strength of the Al alloy so the repaired method is successful.

About the Author:

Muhammad Adeel works as a design engineer and project manager in government sector in Pakistan. Two of his research papers have already been published in peer reviewed International Conferences. He holds a B.E in Mechanical Engineering from NED UET and an M.S. in Aircraft Structure Design from Beijing University of Aeronautics & Astronautics.

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