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A comparative analysis between FEM and Boundary Methods in bending of Plates
Hernández, S. and Díaz del Valle, Julián and Samartín, Avelino
A comparative analysis between FEM and Boundary Methods in bending of Plates.
"Engineering Analysis", v. 1
Two different methods of analysis of plate bending, FEM and BM are discussed in this paper. The plate behaviour is assumed to be represented by using the linear thin plate theory where the Poisson-Kirchoff assumption holds. The BM based in a weighted mean square error technique produced good results for the problem of plate bending. The computational effort demanded in the BM is smaller than the one needed in a FEM analysis for the same level of accuracy. The general application of the FEM cannot be matched by the BM. Particularly, different types of geometry (plates of arbitrary geometry) need a similar but not identical treatment in the BM. However, this loss of generality is counterbalanced by the computational efficiency gained in the BM in the solution achievement
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