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Shakedown (continuum mechanics)
Additional recommended knowledge
In continuum mechanics, elastic shakedown behavior is one in which plastic deformation takes place during running in, while due to residual stresses or strain hardening the steady state is perfectly elastic.
Plastic shakedown behavior, in which the steady state is a closed elastic plastic loop, with no net accumulation of plastic deformation.
Ratcheting behavior is one, in which the steady state is an open elastic plastic loop, the material accumulates a net strain during each cycle.
Not needed for only primary loading that meets static loading requirements Needed for cyclic thermal loading plus primary loading with a mean.
1.Shakedown of Elastic-Plastic Structures. Jan A.Konig,Elsevier,1987
2.Limit Analysis of Structures at Thermal Cycling,Gokhfeld,D.A and Cherniavsky,O.F 1980.
3.ASME,2001,Boiler and Pressure Vessel Code,American Society of Mechanical Engineers ,New York.
4.Bree,J.,1967,"Elastic-Plastic Behaviour of Thin-Tubes Subjected to Internal Pressure and Intermittent High-Heat Fluxes with Application to Fast-Nuclear Reactor Fuel Elements,"J.Strain Analysis,Vol.2(3),pp226-228.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Shakedown_(continuum_mechanics)". A list of authors is available in Wikipedia.|