The non-linear analysis of composite steel-concrete beams by the finite elements method permits obtaining useful information on collapse modalities but the convergence of the solution must be carefully controlled. Using the displacement formulation of the finite elements method, the authors illustrate some aspects related to the convergence of the method by comparing solutions deriving from finite elements with 8, 10 and 16 dof. Some patologies of the 8-dof element are posed in evidence.

Non-linear analysis of composite beams by a displacement approach

DALL'ASTA, Andrea;ZONA, Alessandro
2000-01-01

Abstract

The non-linear analysis of composite steel-concrete beams by the finite elements method permits obtaining useful information on collapse modalities but the convergence of the solution must be carefully controlled. Using the displacement formulation of the finite elements method, the authors illustrate some aspects related to the convergence of the method by comparing solutions deriving from finite elements with 8, 10 and 16 dof. Some patologies of the 8-dof element are posed in evidence.
2000
0948749695
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11581/113309
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