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Numerical Investigation on Torsional Behaviour of Lean Duplex Stainless Steel Semi-elliptical Hollow Section Members
https://orcid.org/http://orcid.org/0000-0001-5049-1408
A systematic parametric study has been conducted to investigate the behaviour of lean duplex stainless steel semi-elliptical hollow section members subjected to torsion, using finite element software, Abaqus. The finite element models were initially validated with reliable experimental results; upon which parametric study was conducted. Effects of various key parameters such as aspect ratio, curve length, size and thickness of cross-section were studied. Based on the finite element study, sections of higher aspect ratio, curve length, larger size, and higher thickness were found to have more torque carrying capacity. Available design equations for plates under shear loading were checked for their applicability to the design of semi-elliptical hollow sections subjected to torsion. An attempt has also been made to develop design equations for lean duplex stainless steel semi-elliptical hollow section under torsion, based on EN 1993-1-4: 2006 + A1. Additionally, design equations based on deformation based method (in line with continuous strength method) were also proposed. The proposed equations were found to give reliable results for design of lean duplex stainless steel semi-elliptical hollow section members under torsion.
Numerical Investigation on Torsional Behaviour of Lean Duplex Stainless Steel Semi-elliptical Hollow Section Members
https://orcid.org/http://orcid.org/0000-0001-5049-1408
A systematic parametric study has been conducted to investigate the behaviour of lean duplex stainless steel semi-elliptical hollow section members subjected to torsion, using finite element software, Abaqus. The finite element models were initially validated with reliable experimental results; upon which parametric study was conducted. Effects of various key parameters such as aspect ratio, curve length, size and thickness of cross-section were studied. Based on the finite element study, sections of higher aspect ratio, curve length, larger size, and higher thickness were found to have more torque carrying capacity. Available design equations for plates under shear loading were checked for their applicability to the design of semi-elliptical hollow sections subjected to torsion. An attempt has also been made to develop design equations for lean duplex stainless steel semi-elliptical hollow section under torsion, based on EN 1993-1-4: 2006 + A1. Additionally, design equations based on deformation based method (in line with continuous strength method) were also proposed. The proposed equations were found to give reliable results for design of lean duplex stainless steel semi-elliptical hollow section members under torsion.
Numerical Investigation on Torsional Behaviour of Lean Duplex Stainless Steel Semi-elliptical Hollow Section Members
https://orcid.org/http://orcid.org/0000-0001-5049-1408
A systematic parametric study has been conducted to investigate the behaviour of lean duplex stainless steel semi-elliptical hollow section members subjected to torsion, using finite element software, Abaqus. The finite element models were initially validated with reliable experimental results; upon which parametric study was conducted. Effects of various key parameters such as aspect ratio, curve length, size and thickness of cross-section were studied. Based on the finite element study, sections of higher aspect ratio, curve length, larger size, and higher thickness were found to have more torque carrying capacity. Available design equations for plates under shear loading were checked for their applicability to the design of semi-elliptical hollow sections subjected to torsion. An attempt has also been made to develop design equations for lean duplex stainless steel semi-elliptical hollow section under torsion, based on EN 1993-1-4: 2006 + A1. Additionally, design equations based on deformation based method (in line with continuous strength method) were also proposed. The proposed equations were found to give reliable results for design of lean duplex stainless steel semi-elliptical hollow section members under torsion.
Numerical Investigation on Torsional Behaviour of Lean Duplex Stainless Steel Semi-elliptical Hollow Section Members
Int J Steel Struct
Devi, Sanasam Vipej (Autor:in) / Singh, Konjengbam Darunkumar (Autor:in)
International Journal of Steel Structures ; 20 ; 1279-1293
01.08.2020
15 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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