Optimal Design of Annular Lattice Structures
Journal Title: Journal of Science and today’s world - Year 2013, Vol 2, Issue 1
Abstract
In this paper, the weight optimization of annular lattice composite structures (cylindrical and conical) has been investigated. First the governing equations are derived to achieve the stiffness matrix, regarding the geometry of the structure. Also the relations and constraint of the weight optimization of these structures regarding the buckling strength has been presented. Linear buckling analysis of the conical lattice structure has been carried out, using a finite element model by means of the ABAQUS software. Using the Timoshenko beam element, the finite element analysis has been done in order to study the buckling strength of the lattice structure under critical axial loading. The analysis of conical lattice structures and creating guiding diagrams for extracting the geodesic angles at height sections is of great importance.
Authors and Affiliations
Jafar Eskandari Jam, Milad Noorabadi , Nader Namdaran , Hossein Taghavian , Esmaeil Fotuhie
Keywords
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