scholarly journals Semi‐analytical assessment of free‐edge stress fields in circular cylindrical cross‐ply laminated shells subjected to transverse loads

PAMM ◽  
2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Andreas Kappel ◽  
Christian Mittelstedt
Keyword(s):  
Free Edge ◽  
Stress Fields ◽  
Laminated Shells ◽  
Transverse Loads ◽  
Edge Stress ◽  
Analytical Assessment

Free-edge stress fields in cylindrically curved symmetric and unsymmetric cross-ply laminates under bending load

2017 ◽  
Vol 180 ◽  
pp. 862-875 ◽  
Author(s):  
Jan Eike Schnabel ◽  
Mejdi Yousfi ◽  
Christian Mittelstedt
Keyword(s):  
Free Edge ◽  
Stress Fields ◽  
Bending Load ◽  
Edge Stress

Generalized Free-Edge Stress Analysis Using Mechanics of Structure Genome

2016 ◽  
Vol 83 (10) ◽  
Author(s):  
Bo Peng ◽  
Johnathan Goodsell ◽  
R. Byron Pipes ◽  
Wenbin Yu
Keyword(s):  
Stress Analysis ◽  
Composite Laminates ◽  
Three Dimensional ◽  
Free Edge ◽  
Stress Fields ◽  
Element Analysis ◽  
Cross Sectional ◽  
Edge Stress ◽  
Out Of Plane ◽  
Sectional Analysis

This work reveals the potential of mechanics of structure genome (MSG) for the free-edge stress analysis of composite laminates. First, the cross-sectional analysis specialized from MSG is formulated for solving a generalized free-edge problem of composite laminates. Then, MSG and the companion code SwiftComp™ are applied to the free-edge stress analysis of several composite laminates with arbitrary layups and general loads including extension, torsion, in-plane and out-of-plane bending, and their combinations. The results of MSG are compared with various existing solutions for symmetric angle-ply laminates. New results are presented for the free-edge stress fields in general laminates for combined mechanical loads and compared with three-dimensional (3D) finite element analysis (FEA) results, which agree very well.

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