Search Results - "Denys, Rudi"

A generic stress–strain model for metallic materials with two-stage strain hardening behaviour by Hertelé, Stijn, De Waele, Wim, Denys, Rudi

“…Constitutive equations are often used to describe the stress–strain behaviour of metallic materials. This allows the execution of parametric studies for…”
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Influence of pipe steel heterogeneity of the upper bound tensile strain capacity of pipeline girth welds: A validation study by Hertelé, Stijn, Van Minnebruggen, Koen, Verstraete, Matthias, Denys, Rudi, De Waele, Wim

“…•Pipe steel heterogeneity can reduce the tensile strain capacity of girth welds.•A theoretical framework aims to predict this reduction.•The framework is…”
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J-integral analysis of heterogeneous mismatched girth welds in clamped single-edge notched tension specimens by Hertelé, Stijn, De Waele, Wim, Verstraete, Matthias, Denys, Rudi, O'Dowd, Noel

“…Flaw assessment procedures require a quantification of crack driving force, and such procedures are generally based on the assumption of weld homogeneity…”
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Numerical simulation of ductile crack growth in medium wide plate specimens using 3-D computational cells by Sarzosa, Diego F.B., Verstraete, Matthias, Hertelé, Stijn, Denys, Rudi, Ruggieri, Claudio

“…•Calibration of Gurson-Tvergaard model can be done using high and low constraint specimens.•Numerical resistance curves agree well with experimental result for…”
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Full-range stress–strain behaviour of contemporary pipeline steels: Part I. Model description by Hertelé, Stijn, De Waele, Wim, Denys, Rudi, Verstraete, Matthias

“…The stress–strain relationship of contemporary pipeline steels is often approximated by the relatively simple Ramberg–Osgood equation. However, these steels…”
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Effects of pipe steel heterogeneity on the tensile strain capacity of a flawed pipeline girth weld by Hertelé, Stijn, O’Dowd, Noel, Van Minnebruggen, Koen, Denys, Rudi, De Waele, Wim

“…•Pipe steel heterogeneity affects the tensile strain capacity of a girth weld.•A theoretical framework predicts significant reductions of strain…”
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Parametric finite element model for large scale tension tests on flawed pipeline girth welds by Hertelé, Stijn, De Waele, Wim, Denys, Rudi, Verstraete, Matthias, Van Wittenberghe, Jeroen

“…► A parametric script creates finite element models of girth weld tension tests. ► The model first creates meshes of simple geometries. ► The simple geometry…”
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Full-range stress–strain behaviour of contemporary pipeline steels: Part II. Estimation of model parameters by Hertelé, Stijn, De Waele, Wim, Denys, Rudi, Verstraete, Matthias

“…Contemporary pipeline steels with a yield-to-tensile ratio above 0.80 often show two-stages of strain hardening, which cannot be simultaneously described by…”
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Global collapse and J integral analysis for inner-diameter defected curved plates in tension by Hertelé, Stijn, Verstraete, Matthias, Denys, Rudi, De Waele, Wim

“…Reference stress equations are widely used to predict both the limit load and the J integral response of defected structures. Their validity is key to…”
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Development of an analytical reference stress equation for inner-diameter defected curved plates in tension by Hertelé, Stijn, De Waele, Wim, Denys, Rudi

“…The tensile failure behaviour of defected structures is determined by plastic collapse and fracture. Reference stress equations can be used to predict these…”
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Lady Paperhangers by Denys, Rudi G.

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