Stiffness and buckling analysis of variable stiffness laminates including the effect of automated fibre placement defects

2019 ◽  
Vol 226 ◽  
pp. 111233 ◽  
Author(s):  
Vibhas Mishra ◽  
Daniël M.J. Peeters ◽  
Mostafa M. Abdalla
Keyword(s):  
Variable Stiffness ◽  
Buckling Analysis

Efficient post-buckling analysis of variable-stiffness plates using a perturbation approach

2019 ◽  
Vol 143 ◽  
pp. 106211 ◽  
Author(s):  
R. Vescovini ◽  
E. Spigarolo ◽  
E.L. Jansen ◽  
L. Dozio
Keyword(s):  
Variable Stiffness ◽  
Buckling Analysis ◽  
Perturbation Approach ◽  
Post Buckling

Isogeometric buckling analysis of composite variable-stiffness panels

2017 ◽  
Vol 165 ◽  
pp. 192-208 ◽  
Author(s):  
Peng Hao ◽  
Xiaojie Yuan ◽  
Hongliang Liu ◽  
Bo Wang ◽  
Chen Liu ◽  
...  
Keyword(s):  
Variable Stiffness ◽  
Buckling Analysis ◽  
Composite Variable

Pre-buckling and Buckling Analysis of Variable-Stiffness, Curvilinearly Stiffened Panels

2019 ◽  
Vol 99 (1) ◽  
pp. 43-52 ◽  
Author(s):  
R. Vescovini ◽  
V. Oliveri ◽  
D. Pizzi ◽  
L. Dozio ◽  
P. M. Weaver
Keyword(s):  
Variable Stiffness ◽  
Buckling Analysis ◽  
Stiffened Panels

scholarly journals Buckling analysis of stiffened composite panels with variable stiffness

2019 ◽  
Vol 504 ◽  
pp. 012059
Author(s):  
W Wu ◽  
R X Bai ◽  
Z K Lei ◽  
C H Geng ◽  
X Z Zhang ◽  
...  
Keyword(s):  
Variable Stiffness ◽  
Buckling Analysis ◽  
Composite Panels ◽  
Stiffened Composite Panels

Buckling Analysis of Variable Stiffness Composite Cylindrical Shells Based on Hermite Curves

2019 ◽  
Vol 805 ◽  
pp. 191-197
Author(s):  
Chun Bo Nian ◽  
Xiao Ping Wang ◽  
Jing Yu Pei
Keyword(s):  
Cylindrical Shell ◽  
Cylindrical Shells ◽  
Initial Point ◽  
Variable Stiffness ◽  
Tangential Direction ◽  
Buckling Analysis ◽  
Buckling Load ◽  
Practical Significance ◽  
Composite Cylindrical Shell ◽  
End Point

Based on the Hermite curve, the buckling behavior of a variable stiffness composite cylindrical shell is investigated. Firstly, the cylindrical shell is unfolded into a plane, and the Hermite curve is taken as the basic reference path on the plane and the variation of the fiber orientation is obtained. Then, the finite element analysis pre-processing program of the variable stiffness composite cylindrical shell is written by Python to develop ABAQUS interactive interface. Finally, the GUI plug-in is developed successfully, the buckling analysis of the constant stiffness and variable stiffness cylindrical shells is carried out and the effect of buckling load on the initial tangential direction q1, the initial point tangential magnitude L1, the end point tangential direction q2, the end point tangential magnitude L2 is preliminarily explored. It is found that the buckling load of the variable stiffness cylindrical shell is improved greatly. The secondary development of ABAQUS by Python is used to realize the automatic modeling and calculation analysis of the variable stiffness cylindrical shell parts, which provides research ideas and processes for practical engineering research, and has certain practical significance.

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