Ratcheting in pressurized pipes and equipment: a review on affecting parameters, modelling, safety codes, and challenges

A Varvani‐Farahani, A Nayebi - Fatigue & Fracture of …, 2018 - Wiley Online Library
The current study has attempted to comprehensively review ratcheting response of materials
involving various influential parameters such as loading spectra, thermal cycles, stress …

High temperature shakedown of a 2nd generation nickel-base single crystal superalloy under tension-torsion loadings

Z Zhang, S Wang, B Brown, IS Cinoglu… - Materials Science and …, 2022 - Elsevier
Components that face aggressive thermomechanical loadings that are cyclic and multiaxial
often employ nickel-base single crystal superalloys to achieve acceptable lifetimes. These …

Shakedown boundary determination of a 90 back-to-back pipe bend subjected to steady internal pressures and cyclic in-plane bending moments

HF Abdalla - International Journal of Pressure Vessels and Piping, 2014 - Elsevier
No experimental data exist within open literature, to the best knowledge of the author, for
determining shakedown boundaries of 90° back-to-back pipe bends. Ninety degree back-to …

Elastoplastic topology optimization of cyclically loaded structures via direct methods for shakedown

M Boissier, JD Deaton, PA Beran… - Structural and …, 2021 - Springer
For the first time, the lower bound shakedown theorem is integrated into a level set–based
topology optimization framework to identify lightweight elastoplastic designs. Shakedown is …

Effect of wall thinning on the shakedown interaction diagrams of 90-degree back-to-Back bends subjected to simultaneous steady internal pressures and cyclic in …

HF Abdalla - Thin-Walled Structures, 2019 - Elsevier
This research studies the effect of wall thinning on generated shakedown (SD) interaction
diagrams of pressurized low-carbon steel 90-degree (90-Deg) back-to-back (B2B) bends …

[HTML][HTML] Effect of shape-imperfections on fatigue life of elbows under in-plane cyclic loading

K Srikanth, TC Michael - Alexandria Engineering Journal, 2024 - Elsevier
The elbows play a critical role in industrial and power plant systems. To ensure operational
safety, extensive research has been conducted on the fatigue behaviour of pipe bends. This …

Shakedown-ratcheting analysis of Bree's problem by anisotropic continuum damage mechanics coupled with nonlinear kinematic hardening model

A Surmiri, A Nayebi, H Rokhgireh - International Journal of Mechanical …, 2018 - Elsevier
In the present research, Bree's diagram, which has been used for ratcheting assessment of
pressurized equipment in ASME III NH, has been developed when the pressure vessel …

A direct approach to progressive buckling design considering ratcheting deformation

F Liu, JG Gong, H Chen, FZ Xuan - Thin-Walled Structures, 2021 - Elsevier
In this paper, the Bree diagram is extended to consider the progressive buckling failure and
a direct approach for structural progressive buckling design considering ratcheting …

Shakedown limit load determination of a cylindrical vessel–nozzle intersection subjected to steady internal pressures and cyclic in-plane bending moments

HF Abdalla - Journal of Pressure Vessel Technology, 2014 - asmedigitalcollection.asme.org
In the current research, the elastic shakedown limit loads for a cylindrical vessel–nozzle
intersection is determined via a direct noncyclic simplified technique. The cylindrical vessel …

A novel methodology for determining the elastic shakedown limit loads via computing the plastic work dissipation

HF Abdalla - International Journal of Pressure Vessels and Piping, 2021 - Elsevier
A methodology that targets determining the shakedown (SD) limit loads via computing the
plastic work dissipation (PWD) is presented. The methodology is termed: Shakedown Limit …