Progressive Failure Studies of Composite Panels with and Without Cutouts

By: Nasa, National Aeronautics and Space Adm

Progressive failure analyses results are presented for composite panels with and without a cutout and subjected to in-plane shear loading and compression loading well into their postbuckling regime. Ply damage modes such as matrix cracking, fiber-matrix shear, and fiber failure are modeled by degrading the material properties. Results from finite element analyses are compared with experimental data. Good agreement between experimental data and numerical results are observed for most structural configurations when initial geometric imperfections are appropriately modeled.Jaunky, Navin and Ambur, Damodar R. and Davila, Carlos G. and Hilburger, Mark and Bushnell, Dennis M. (Technical Monitor)Langley Research CenterCOMPOSITE STRUCTURES; FAILURE ANALYSIS; BUCKLING; DYNAMIC STRUCTURAL ANALYSIS; COMPRESSION LOADS; FINITE ELEMENT METHOD; FIBER-MATRIX INTERFACES

• Format: Paperback
• Language: English
• ISBN: 1723748692
• ISBN13: 9781723748691
• Release Date: January 1
• Publisher: Independently Published
• Length: 28 Pages
• Weight: 0.20 lbs.
• Dimensions: 0.1" x 8.5" x 11.0"