The Interlaminar Stress of Laminated Composite under Uniform Axial Deformation - Modeling and Numerical Simulation of Material Science

MNSMS > Vol.3 No.2, April 2013

Modeling and Numerical Simulation of Material Science

Volume 3, Issue 2 (April 2013)

ISSN Print: 2164-5345 ISSN Online: 2164-5353

Google-based Impact Factor: 0.7 Citations

The Interlaminar Stress of Laminated Composite under Uniform Axial Deformation ()

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Download as PDF (Size: 1954KB) PP. 49-60

DOI: 10.4236/mnsms.2013.32007 5,415 Downloads 11,354 Views Citations

Author(s)

Chuijin Yang, Jubing Chen, Shexu Zhao

Affiliation(s)

Beijing Institute of Mechanical Equipment, Beijing, China.
Shanghai Jiao Tong University, Shanghai, China.

ABSTRACT

The interlaminar stresses are analyzed by combining the first shear theory with the layerwise theory method. And the plate subjected to a uniform axial strain is studied by the simplified displacement field. Using the simplified displacement field, the equations of finite element method is developed by the principle of virtual work. And the amount of calculation is reduced by using the linear element. Then, some numerical examples are given to verify the accuracy of the method and analyze the distribution of interlaminar stresses along y-axis and z-axis. The shapes of the stresses’ curves in the vicinity of the free edge are very different from the interior area. Moreover, the influence of the ply angle on the interlaminar stresses is analyzed for the plate [θ/-θ]_s. It can be found that the shapes of the stresses along z-axis are similar when the angle is different, while the values of the interlaminar stresses are changed apparently with the ply angle.

KEYWORDS

Interlaminar Stresses; Finite Element Method; Laminated Composite Plate

Share and Cite:

Yang, C. , Chen, J. and Zhao, S. (2013) The Interlaminar Stress of Laminated Composite under Uniform Axial Deformation. Modeling and Numerical Simulation of Material Science, 3, 49-60. doi: 10.4236/mnsms.2013.32007.

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