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Truss and Beam Finite Elements Revisited: A Derivation Based on Displacement-Field Decomposition
Where a finite element possesses symmetry properties, derivation of fundamental element matrices can be achieved more efficiently by decomposing the general displacement field into subspaces of the symmetry group describing the configuration of the element. In this paper, the procedure is illustrated by reference to the simple truss and beam elements, whose well-known consistent-mass matrices are obtained via the proposed method. However, the procedure is applicable to all one-, two- and three-dimensional finite elements, as long as the shape and node configuration of the element can be described by a specific symmetry group.
Truss and Beam Finite Elements Revisited: A Derivation Based on Displacement-Field Decomposition
Where a finite element possesses symmetry properties, derivation of fundamental element matrices can be achieved more efficiently by decomposing the general displacement field into subspaces of the symmetry group describing the configuration of the element. In this paper, the procedure is illustrated by reference to the simple truss and beam elements, whose well-known consistent-mass matrices are obtained via the proposed method. However, the procedure is applicable to all one-, two- and three-dimensional finite elements, as long as the shape and node configuration of the element can be described by a specific symmetry group.
Truss and Beam Finite Elements Revisited: A Derivation Based on Displacement-Field Decomposition
Zingoni, Alphose (Autor:in)
International Journal of Space Structures ; 11 ; 371-380
01.12.1996
10 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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