2013
DOI: 10.1016/j.cma.2012.11.014
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A method for the calculation of inter-element stresses in 3D

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Cited by 9 publications
(4 citation statements)
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“…In the latter category fall also the models of grains interacting through non linear beams like [30,31]. In both cases if the nonlinear properties of the material are associated with the interfaces, special attention has to be given to the continuity of the inter-element stresses, and this requires either special recovery procedure for the stresses, like in [32,33] or interpolations with high continuity degree, like in [34,35].…”
Section: Introductionmentioning
confidence: 99%
“…In the latter category fall also the models of grains interacting through non linear beams like [30,31]. In both cases if the nonlinear properties of the material are associated with the interfaces, special attention has to be given to the continuity of the inter-element stresses, and this requires either special recovery procedure for the stresses, like in [32,33] or interpolations with high continuity degree, like in [34,35].…”
Section: Introductionmentioning
confidence: 99%
“…Zero-thickness interface elements, formulated in terms of contact stresses versus opening relationships, have been historically employed for modeling both the response behavior of material discontinuities such as mechanical contacts [14,15], bonds [16,17,18] and crack evolutions in quasi-brittle materials like concrete [19,20]. Also, several plasticity-based interface formulations have been proposed to predict failure behaviors of discontinuities in soil/rock mechanisms [21].…”
Section: Introductionmentioning
confidence: 99%
“…For those reasons, some authors have proposed approaches to simulate discrete fracture without the need of deformable double-node interface elements inserted systematically from the beginning of the analysis, although that requires first to evaluate the stress tractions transmitted between neighbor continuum finite elements, something only trivial at mid-nodes of quadratic meshes (Camacho and Ortiz, 1996;Ortiz and Pandolfi, 1999;Pandolfi et al, 1999). To remedy that, one alternative method to evaluate inter-element stresses at corner points of a FE mesh has also been proposed (Ciancio et al, 2006(Ciancio et al, , 2013. This method is based on the double minimization of an objective function, representing the error between the inter-element stress tractions and the projection of the best-fit stress tensor along the planes of the interfaces converging at an element corner node.…”
Section: Practical Aspects Of Numerical Implementationmentioning
confidence: 99%