2 publications
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Published Subscription Original Research
A Finite Element Analysis to Study the Effect of Hydrostatic Pressure on Steel DuctilityBy Tapas Kumar Datta
Abstract: The effect of superimposed hydrostatic pressure on percentage reduction of area (a gauge mark of the ductility) is investigated in round steel bars in tensile stress by employing a finite element analysis (FEA) with 8-node serendipity quadrilateral elements and von Mises plasticity flow rule in an elastoplastic power law hardening model. It is demonstrated that a linear relationship exists between the pressure and percentage reduction of area at any given …
Published in Journal of Experimental & Applied Mechanics · Vol. 16, Issue 1, 2025 · pp. 41–51 Read article →
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Published Subscription Review Article
Computation of the Necking in Bars Without Geometrical ImperfectionBy Tapas Kumar Datta
Abstract: This paper presents a finite element analysis to compute the neck profiles of smooth, circular cylindrical bars in shear-free grip under uniaxial tensile load. The analysis uses 4-node quadrilateral element with linear displacement variation, as well as 8-node Serendipity quadrilateral element with curved sides and a quadratic variation of the displacement field, for power law hardening materials that follow von Mises plasticity. All the elements are based on isoparametric formulation. …
Published in International Journal of Fracture Mechanics and Damage Science · Vol. 2, Issue 2, 2024 · pp. 10–19 Read article →