A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Anisotropic Macro-Model for Masonry Plates and Shells: Implementation and Validation
An anisotropic model for the analysis of masonry plates and shells is proposed. The 'three-dimensional' model is an extension of a previously developed plane model which incorporates independent yield criteria for tension and compression. This composite model is implemented in modern computational plasticity concepts, utilizing local and global Newton-Raphson methods, implicit Euler backward return mapping algorithms and consistent tangent operators. It contains different yield strengths along the two material axes, both in tension and compression. The energy based regularization resorts then to four different fracture energies. To validate the model a comparison is made between experimental and numerical results, in the case of tests available in the literature in masonry panels subjected to out-of-plane loading and in masonry wall elements subjected to combined actions. Reasonable agreement was found in both cases.
Anisotropic Macro-Model for Masonry Plates and Shells: Implementation and Validation
An anisotropic model for the analysis of masonry plates and shells is proposed. The 'three-dimensional' model is an extension of a previously developed plane model which incorporates independent yield criteria for tension and compression. This composite model is implemented in modern computational plasticity concepts, utilizing local and global Newton-Raphson methods, implicit Euler backward return mapping algorithms and consistent tangent operators. It contains different yield strengths along the two material axes, both in tension and compression. The energy based regularization resorts then to four different fracture energies. To validate the model a comparison is made between experimental and numerical results, in the case of tests available in the literature in masonry panels subjected to out-of-plane loading and in masonry wall elements subjected to combined actions. Reasonable agreement was found in both cases.
Anisotropic Macro-Model for Masonry Plates and Shells: Implementation and Validation
P. B. Lourenco (author)
1997
108 pages
Report
No indication
English
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