A homogenization approach to assess the mechanical characteristics of masonry structures is presented in this paper. In order to analyze an actual masonry, the concept of periodic cell, used in literature for periodic masonry, is replaced with that of representative volume element. This volume is found by employing a formulation based on finite size test-windows. The homogenized medium stiffness tensor is obtained by considering the hierarchy of estimates relative to essential and natural boundary conditions. Moreover an ensemble average is performed on space taking into account different test-windows location on the given structure. An application shows the effectiveness of the proposed approach.
Homogenization of non-periodic masonry structures
CLUNI, FEDERICO;GUSELLA, Vittorio
2004
Abstract
A homogenization approach to assess the mechanical characteristics of masonry structures is presented in this paper. In order to analyze an actual masonry, the concept of periodic cell, used in literature for periodic masonry, is replaced with that of representative volume element. This volume is found by employing a formulation based on finite size test-windows. The homogenized medium stiffness tensor is obtained by considering the hierarchy of estimates relative to essential and natural boundary conditions. Moreover an ensemble average is performed on space taking into account different test-windows location on the given structure. An application shows the effectiveness of the proposed approach.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
