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The methods currently used to check welds, and their implicit hypotheses are discussed in depth and it is shown that they can be put in the general frame of the finite element method. So, a fem formulation useful to model weld layouts as a whole, seen as the generalization of the fem modeling of single weld seams is introduced. Special working mode flags assigned to single weld‐seams like shear only, no shear, longitudinal shear only, are introduced and the fem formulation generalized so as to keep these flags into account. Flexibility index is also introduced to tune the stiffness of the layout. Fillet welds with orthotropic behavior are discussed in depth and it is presented a computational method useful to apply to weld layouts the non‐linear instantaneous‐center‐of‐rotation method in 3D, i.e. under three forces and three moments.
The methods currently used to check welds, and their implicit hypotheses are discussed in depth and it is shown that they can be put in the general frame of the finite element method. So, a fem formulation useful to model weld layouts as a whole, seen as the generalization of the fem modeling of single weld seams is introduced. Special working mode flags assigned to single weld‐seams like shear only, no shear, longitudinal shear only, are introduced and the fem formulation generalized so as to keep these flags into account. Flexibility index is also introduced to tune the stiffness of the layout. Fillet welds with orthotropic behavior are discussed in depth and it is presented a computational method useful to apply to weld layouts the non‐linear instantaneous‐center‐of‐rotation method in 3D, i.e. under three forces and three moments.
Connectors: Weld Layouts
Rugarli, Paolo (author)
Steel Connection Analysis ; 155-236
2018-03-20
82 pages
Article/Chapter (Book)
Electronic Resource
English
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