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Behaviour of Viscoe...
Behaviour of Viscoelastic-Viscoplastic Spheres and Cylinders-Partly Plastic Vessels walls
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- Ottosen, Niels Saabye (author)
- Lund University,Lunds universitet,Hållfasthetslära,Institutionen för byggvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Solid Mechanics,Department of Construction Sciences,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- Elsevier BV, 1985
- 1985
- English.
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In: International Journal of Solids and Structures. - : Elsevier BV. - 0020-7683. ; 21:6, s. 573-595
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http://dx.doi.org/10...
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Abstract
Subject headings
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- The material model consists of a viscoelastic Burgers element and an additional viscoplastic Bingham element when the effective stress exceeds the yield stress. For partly plastic vessel walls, expressions are derived for the stress and strain state in pressurised or relaxation loaded thick-walled cylinders in plane strain and spheres. For the spherical problem, the material compressibility is accounted for. The influence of the different material parameters on the behaviour of the vessels is evaluated. It is shown that the magnitude of the Maxwell viscosity is of major importance for the long-term behaviour of thick-walled partly plastic vessels.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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