|Reference : Evaluation of different advanced finite element concepts for detailed stress analysis of...|
|Scientific journals : Article|
|Engineering, computing & technology : Materials science & engineering|
|Evaluation of different advanced finite element concepts for detailed stress analysis of laminated composite structures|
|Rah, K. [> >]|
|Van Paepegem, W. [> >]|
|Habraken, Anne [Université de Liège - ULg > Département ArGEnCo > Département ArGEnCo >]|
|Alves de Sousa, R. [> >]|
|Valente, R. A. F. [> >]|
|International Journal of Material Forming|
|[en] specific stiffness and strength ; fibre-reinforced plastic plies ; interlaminar damage ; delamination ; laminated composite structures ; solid-shell element ; interlaminar stresses|
|[en] Despite their high specific stiffness and strength, laminated composite materials, e.g. fibre-reinforced plastic plies stacked at different fibre orientations, are susceptible to damage. Damage can be divided into interalaminar damage and interlaminar damage. Delamination is a typical kind of interlaminar damage which occurs in laminated composite materials, often accompanied with intralaminar damage, and may lead to a catastrophic structural collapse.
The first and most crucial step in the prediction of failure of Laminated Composite Structures (LCS) is to accurately determine the stresses, particularly the three transverse stress components, also called the interlaminar stresses. It is
proposed in the present paper that the integration of a displacement based solid-shell formulation and partial-hybrid stress formulation will lead to an accurate and robust solid-shell element, suitable for the efficient and detailed interlaminar stress calculation.
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