[en] In this paper a low order partial hybrid stress solid-shell element based on the composite
energy functional for the analysis of laminated composite structures is presented. This solid-shell element has eight nodes with only displacement degrees of freedoms, and three-dimensional constitutive models can be directly employed in the present formulation without any additional treatment. The assumed interlaminar stress field provides very accurate interlaminar stress calculation through the element thickness.
These elements can be stacked on top of each other to model multilayer structures, fulfilling the interlaminar stress continuity at the interlayer surfaces and zero traction conditions on the top and bottom surfaces of the laminate. The present solid-shell does not show the transverse shear, trapezoidal and thickness locking phenomenon.
Research center :
Interuniversity Attraction Poles Program phase 6 (IUAP) of the Federal Science Policy of Belgium
Disciplines :
Mechanical engineering
Author, co-author :
Rah, Kamran; Now Industie was in Gent University
Van Paepegem, Wim; Gent University
Habraken, Anne ; Université de Liège - ULiège > Département ArGEnCo > Département ArGEnCo
Degrieck, Jooris; Gent University
Language :
English
Title :
A partial hybrid stress solid-shell element for the analysis of laminated composites
Publication date :
2011
Journal title :
Computer Methods in Applied Mechanics and Engineering
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