Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/15631
Title: A solid shell element based on relative displacements concept: Theory and applications
Authors: MA YONGQIAN
Keywords: Shell structure; Finite element method; Relative displacements concept; Free vibration; Composite shell structure; Carbon Nano-tube; Super ellipsoidal
Issue Date: 12-Sep-2006
Source: MA YONGQIAN (2006-09-12). A solid shell element based on relative displacements concept: Theory and applications. ScholarBank@NUS Repository.
Abstract: A general three-dimensional solid shell element based on relative displacements concept was proposed. The proposed solid shell element takes the strain and stress of the thickness direction into consideration and has two real surfaces, top and bottom, replacing the middle surface in conventional shell elements. The integration of the solid shell element is conducted in three dimensions simultaneously, which makes the variations of mechanical behavior in each direction clearly demonstrated. With these new features, it accurately simulates all types of shell structures, i.e. thin, moderately thick and thick shell structures. Therefore, the proposed solid shell element is applied to model engineering cases, including the composite laminated shell structures, vibrations of the very large floating structures, infinitesimal buckling of the carbon nanotube structures and buckling of the super ellipsoidal shells. The results also show that the proposed solid shell element is versatile and successful when applied in the abovementioned engineering fields.
URI: http://scholarbank.nus.edu.sg/handle/10635/15631
Appears in Collections:Ph.D Theses (Open)

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