shakedown limit
A Simplified Technique for Shakedown Limit Load Determination of a Large Square Plate with a Hole Under Cyclic Biaxial Loading
... the shakedown limit load of a structure was previously developed and successfully applied to benchmark shakedown problems involving uniaxial states of stress ...the shakedown limit load ...
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Limit, shakedown and ratchet analyses of defective pipeline under internal pressure and cyclic thermal loading
... on limit load The loads causing plastic collapse on a defective pipeline with part-through slots and on defect-free pipeline under a constant internal pressure are shown in table ...calculated limit load ...
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Shakedown of Layered Pavements under Repeated Moving Loads
... the shakedown limit of the pavement ...numerical shakedown limits are consistent with the theoretical shakedown solutions (Wang and Yu 2013a) for 2D two-layered pavement ...
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Development and implementation of the Abaqus subroutines and plug-in for routine structural integrity assessment using the linear matching method
... The LMM uses the shakedown bounding theorems (Koiter, 1960; Melan, 1936) to determine the shakedown status of the model. The upper bound theorem of Koiter is the primary model used by the LMM, which uses an ...
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A direct method for the evaluation of lower and upper bound ratchet limits
... if shakedown, reversed plasticity or ratcheting occur, and so a trial and error process is required to determine the shakedown and ratchet ...the shakedown limit of a structure ...the ...
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Numerical investigation of shakedown residual stresses under moving surface loads
... for shakedown has moved to the surface and is then controlled by the surface ...the shakedown limit load is not significantly different from the elastic limit load for high values of m ...the ...
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Elasto-Plastic Finite Element Evaluation of Flexible Pavements Based on Shakedown Concept
... the shakedown state. If load intensity exceeds the shakedown limit, gradual accumulation of plastic strains and displacement under load cycles lead to structural collapse either by alternating ...
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Recent developments of the linear matching method framework for structural integrity assessment
... the shakedown limit, and ratchet limit (limit load) prediction obtained by the ...the shakedown and ratchet analysis, the advantage of the LMM over the SBS is that the LMM is a direct ...
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On shakedown, ratchet and limit analysis of defective pipeline
... either shakedown or ratcheting. The elastic shakedown limit is the highest cyclic load under which a material shakes down to an elastic response after the first few load ...elastic shakedown ...
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Shakedown analysis for rolling and sliding contact problems
... upper bound shakedown limit. The method, the Linear Matching Method , (Ponter and Engelhardt (2000), Chen and Ponter (2001), Ponter et al (2002)), is essentially a programming method that seeks mechanisms ...
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Shakedown behaviour of composite cylinders with cross holes
... ability to use standard commercial finite element codes which have the facility to allow the user to define the material behaviour. This has been done in the code ABAQUS with user subroutine UMAT. Essentially, ABAQUS ...
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Shakedown And Limit Load Of Pipe Bends With Local Wall Thinning Under Combined Internal Pressure And Cyclic In-Plane Bending Moment
... bound shakedown limit load, but it strongly dependant on the FE ...classical shakedown bench mark problems, known as the Bree ...analytical shakedown boundary of Bree cylinder and a comparison ...
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Shakedown analysis of a composite cylinder with a cross-hole
... elastic shakedown limits of the cylinder. The elastic shakedown limit is the highest cyclical load that shakes down to an elastic response in the first few cycles of ...elastic shakedown ...
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Integrated structural analysis tool using linear matching method part 1 : Software development
... elastic/plastic shakedown or ratchetting depending upon the applied load ...elastic shakedown limit, ratchetting and plastic shakedown will not occur under repeated ...elastic shakedown ...
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Shakedown and limit analysis of 90° pipe bends under internal pressure, cyclic in-plane bending and cyclic thermal loading
... the limit load and the shakedown limit ...the limit load for pressure ...the shakedown and limit loads for a large normalised pressure range for R/r = 3, r/t = 5 and R/r = 5 and ...
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The linear matching method applied to the high temperature life integrity of structures. Part 1. Assessments involving constant residual stress fields
... of shakedown limit, creep rupture and rapid cycle creep ...bound shakedown limit associated with the finite element ...calculated shakedown limit can be ...the shakedown ...
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A comparison between a shakedown design approach and the analytical design approach in the UK for flexible road pavements
... elastic-plastic shakedown concept has been widely recognized as a possible new basis for the design of flexible ...pavements. Shakedown is known as a phenomenon that an elastic- plastic structure, though ...
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Ratchet analysis of structures under a generalised cyclic load history
... (elastic) shakedown, global shakedown, ratcheting or plastic collapse ...(i.e. limit load). The strict shakedown limit is the highest cyclic load under which a material shakes down to a ...
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Verification of the linear matching method for limit and shakedown analysis by comparison with experiments
... tests. Limit loads of pipe intersections subject to internal pressure and in-plane moment were considered first and two conclusions can be drawn from the ...Abaqus limit analysis confirms the correct ...
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Verification of the linear matching method for limit and shakedown analysis by comparison with experiments
... tests. Limit loads of pipe intersections subject to internal pressure and in-plane moment were considered first and two conclusions can be drawn from the ...Abaqus limit analysis confirms the correct ...
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