Deflection of elastic-plastic frames at finite spread of yielding zones

DOI10.1016/0045-7825(83)90071-3zbMath0497.73093OpenAlexW1990518611MaRDI QIDQ1170931

Antoni Sawczuk, Ugo A. Andreaus

Publication date: 1983

Published in: Computer Methods in Applied Mechanics and Engineering (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0045-7825(83)90071-3

zbMATH Keywords

linear programmingdisplacementsprogramintegratedcollapse loadactual extent of plastic zones depends on bending moment distributionactual spread of plastic zones includedadditional rotationsdeflection analysiselastic- plastic moment-curvature relationselastic-perfectly plastic beams and framesfinite zones of yieldingflexural stiffness variation between hingesI-shape cross-sectionpartial yielding of cross-sectionsupplementary rotations

Mathematics Subject Classification ID

Numerical mathematical programming methods (65K05) Rods (beams, columns, shafts, arches, rings, etc.) (74K10) Fracture and damage (74R99) Plastic materials, materials of stress-rate and internal-variable type (74C99) Computer aspects of numerical algorithms (65Y99) Software, source code, etc. for problems pertaining to mechanics of deformable solids (74-04)

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Cites Work

• On compatible finite element models for elastic plastic analysis
• Displacement analysis in elastic-plastic frames at plastic collapse
• Quadratic programming and theory of elastic-perfectly plastic structures
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