Shakedown, Cyclic and Asperity Contact Analysis
Shakedown and limit analysis of 90° pipe bends under internal pressure, cyclic in-plane bending and cyclic thermal loading
... the shakedown and limit loads of 90 o pipe bends subject to both mechanical and thermal loading in a systematic ...the shakedown behaviour of opening, closing and reversed bending is ...a cyclic ...
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Limit, shakedown and ratchet analyses of defective pipeline under internal pressure and cyclic thermal loading
... load, shakedown and ratchet limit of a defective pipeline subjected to constant internal pressure and a cyclic thermal gradient are ...limit. Shakedown and ratchet limit interaction diagrams of the ...
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Shakedown behaviour of a 90 degree single mitred pipe bends under cyclic in-plane closing moments
... either shakedown or an accumulation of plastic strains known as ratcheting can ...The cyclic behaviour will also result in low-cycle fatigue, to some ...
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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 ...handle cyclic biaxial loading ...
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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
... and cyclic bending loads has received a substantial attention in recent few years where shakedown and ratcheting boundaries have been ...and shakedown boundaries via a non cyclic-numerical ...
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Shakedown, ratchet, and limit analyses of 90° back-to-back pipe bends under cyclic in-plane opening bending and steady internal pressure
... to cyclic in-plane bending moment and steady internal pressures is analysed by means of the Linear Matching Method (LMM) in order to create the limit, shakedown, and ratchet ...the cyclic moment has ...
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Shakedown analysis for rolling and sliding contact problems
... the shakedown limit for the problem, using the upper and lower bound shakedown theorems for an elastic perfectly plastic ...bound shakedown theorem to such problems and showed that, for a von Mises ...
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Shakedown analysis for rolling and sliding contact problems
... the shakedown limit for the problem, using the upper and lower bound shakedown theorems for an elastic perfectly plastic ...bound shakedown theorem to such problems and showed that, for a von Mises ...
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On shakedown, ratchet and limit analysis of defective pipeline
... the analysis of structures subjected to cyclic loading histories for an elastic–perfectly plastic material, the component will either shakedown or ...elastic shakedown limit is the highest ...
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Shakedown analysis of a composite cylinder with a cross-hole
... under cyclic thermal loads. It changes the fatigue life and elastic shakedown limits of the ...elastic shakedown limit is the highest cyclical load that shakes down to an elastic response in the ...
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A nonlinear programming approach to kinematic shakedown analysis of frictional materials
... to shakedown analysis so that it can be used to evaluate the shakedown limit and shakedown condition of frictional materials under repeated/cyclic ...kinematic shakedown ...
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Numerical shakedown and non-shakedown responses of a Tresca half-space to a three-dimensional moving load
... KEYWORDS: Shakedown; residual stresses; Tresca half-space; three-dimensional solutions 1 ...INTRODUCTION. Shakedown theory can distinguish different long-term behaviours of elastic-plastic structures ...
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A numerical formulation and algorithm for limit and shakedown analysis of large-scale elastoplastic structures
... and shakedown analysis of large-scale engineering structures is ...decreasing cyclic loading solutions based on linear elastic finite element analysis are ...follows: shakedown ...
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A Simplified Technique for Shakedown Load Determination
... limit shakedown load of a structure or a component using the finite element ...limit shakedown load is determined without performing time consuming cyclic loading simulations or iterative elastic ...
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On shakedown of shape memory alloys structures
... a cyclic but non con- stant response, akin to alternating ...a shakedown behaviour is actually observed even though the shakedown limit provided by the theorem of ...for shakedown to occur ...
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Shakedown behaviour of composite cylinders with cross holes
... applied cyclic thermal loading is produced by assuming that the outside surface of the cylinder is at ambient temperature while the internal surface temperature is fluctuating from ambient to higher ...this ...
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Shakedown for slab track substructures with stiffness variation
... 2012). Shakedown is concerned with the ultimate response of an elastic-plastic structure subjected to cyclic or repeated ...applied cyclic load is high, the elastic-plastic structure will fail due to ...
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In-situ Observations of a Multi-Asperity Real Contact Area on a Submicron Scale
... real contact area is the geometry of the engineering surfaces and their behaviour when in ...surfaces contact models can be divided into four groups, ...detailed contact analysis since the ...
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Experimental validation of the shakedown concept for pavement analysis and design
... The contact area of the applied wheel load for all the facilities was obtained using ink on the wheel/tyre tread and loading the wheel onto graph paper which was placed on the surface of the test ...The ...
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Lower-bound shakedown analysis of pavements by using the interior point method
... lower-bound shakedown analysis can be used to determine rational criteria for repeated rolling/sliding line contact as well as stationary contacts in ...provide shakedown limits which ensure ...
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