Evaluation of cyclic plasticity models in ratcheting simulation of straight pipes under cyclic bending and steady internal pressure

Rahman, Syed Mizanur; Hassan, Tasnim; Corona, Edmundo

doi:10.1016/j.ijplas.2008.02.010

Cited by 119 publications

(61 citation statements)

References 41 publications

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“…Lots of approaches can then be found in the literature (Prager, 1956;Mroz, 1969;Armstrong and Frederick, 1966;Chaboche, 1991;Corona et al, 1996;Ohno and Wang, 1994;Ohno et al, 1998;Abdel-Karim and Ohno, 2000;Guionnet, 1992) and most of time, they are quite performing to describe monotonic plasticity. Differences lie in their ability to reproduce shakedown and ratcheting effects (Bari and Hassan, 2000;Abdel-Karim, 2005;Hassan et al, 2008;Rahman et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

New flow rules in elasto-viscoplastic constitutive models for spheroidal graphite cast-iron

Szmytka

Rémy

Maïtournam

et al. 2010

International Journal of Plasticity

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Section: Introductionmentioning

confidence: 99%

New flow rules in elasto-viscoplastic constitutive models for spheroidal graphite cast-iron

Szmytka

Rémy

Maïtournam

et al. 2010

International Journal of Plasticity

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“…It has been, however, shown in recent reports by Rahman et al [16], Hassan et al [17] and Krishna et al [18] that such non-linear finite element analyses can only provide a reasonable modeling of plastic shakedown phenomena after a few initial load cycles. For continuous ratcheting responses, such analyses cannot provide reasonable results, neither for the accumulated local strain nor for the global dimension change.…”

Section: Non-linear Finite Element Analysismentioning

confidence: 98%

More on Fatigue Verification of Class 1 Nuclear Power Piping According to ASME BPV Code

Zeng¹,

Jansson²

2014

JEPE

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Fatigue verification of Class 1 nuclear power piping according to ASME Boiler and Pressure Vessel Code, Section III, NB-3600, which is often discussed in connection to power uprate and life-extension of aging reactors in recent years, is dealt with. Key parameters involved in the fatigue verification, e.g., the alternating stress intensity S alt , the penalty factor K e and the cumulative damage factor U, and relevant computational procedures applicable for the assessment of low-cycle fatigue failure using strain-controlled data, are particularly addressed. A so-called simplified elastic-plastic discontinuity analysis for alternative verification when fatigue requirements found unsatisfactory, and the procedures provided in NB-3600 for evaluating the alternating stress intensity S alt, are reviewed in detail. An in-depth discussion is given to alternative procedures suggested earlier by the authors using nonlinear finite element analyses, which uses a nonlinear finite element analysis for directly determining the alternating stress, thus eliminating uncertainties resulted from the use of the penalty factor K e . Using this alternative, unavoidable plastic strains can be correctly taken into account in a computationally affordable way, and the reliability of the verification will not be affected by uncertainties introduced in the simplified elastic-plastic analysis.

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“…ANSYS or others, are frequently found to be used for non-linear piping analysis. It has been, however, shown in recent reports by Rahman et al (2008), Hassan et al (2008) and Krishna et al (2009) that such non-linear finite element analyses can only provide a reasonable modeling of plastic shakedown phenomena after a few initial load cycles. For continuous ratcheting responses, such analyses cannot provide reasonable results, neither for the accumulated local strain nor for the global dimension change.…”

Section: Non-linear Transient Analysismentioning

confidence: 98%

Non-Linear Design Evaluation of Class 1-3 Nuclear Power Piping

Zeng¹,

Jansson²,

Dahlström³

2011

Nuclear Power - System Simulations and Operation

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Evaluation of cyclic plasticity models in ratcheting simulation of straight pipes under cyclic bending and steady internal pressure

Cited by 119 publications

References 41 publications

New flow rules in elasto-viscoplastic constitutive models for spheroidal graphite cast-iron

New flow rules in elasto-viscoplastic constitutive models for spheroidal graphite cast-iron

More on Fatigue Verification of Class 1 Nuclear Power Piping According to ASME BPV Code

Non-Linear Design Evaluation of Class 1-3 Nuclear Power Piping

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